[INFO] cloning repository https://github.com/lal-buturabi/rust-ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lal-buturabi/rust-ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flal-buturabi%2Frust-ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flal-buturabi%2Frust-ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e1ffeadc432a2329cd8bed7ef4c4e510b8ac8d3
[INFO] testing lal-buturabi/rust-ffi against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flal-buturabi%2Frust-ffi" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lal-buturabi/rust-ffi
[INFO] finished tweaking git repo https://github.com/lal-buturabi/rust-ffi
[INFO] tweaked toml for git repo https://github.com/lal-buturabi/rust-ffi written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lal-buturabi/rust-ffi on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lal-buturabi/rust-ffi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5631da117fc630741c387eaf2b67a40f02c10c41aea9b3830dae62b2e052c1a1
[INFO] running `Command { std: "docker" "start" "-a" "5631da117fc630741c387eaf2b67a40f02c10c41aea9b3830dae62b2e052c1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5631da117fc630741c387eaf2b67a40f02c10c41aea9b3830dae62b2e052c1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5631da117fc630741c387eaf2b67a40f02c10c41aea9b3830dae62b2e052c1a1", kill_on_drop: false }`
[INFO] [stdout] 5631da117fc630741c387eaf2b67a40f02c10c41aea9b3830dae62b2e052c1a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e5362b91718be9a6c1665999cd2063dadb0b2288e3c75aefcb345b91fb401e4
[INFO] running `Command { std: "docker" "start" "-a" "0e5362b91718be9a6c1665999cd2063dadb0b2288e3c75aefcb345b91fb401e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling FFI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/ints/mod.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 |   #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]  4 | / extern "C" {
[INFO] [stdout]  5 | |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  6 | |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  7 | |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  8 | |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  9 | |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- not a free function, impl method or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/floats/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 4 | / extern "C" {
[INFO] [stdout] 5 | |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 6 | |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 7 | |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 8 | |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/strings/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 5 | / extern "C" {
[INFO] [stdout] 6 | |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout] 7 | |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` is never used
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/common.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn test<T>(func: &str, x: T, y: T, i: usize) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/ints/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/ints/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/ints/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/ints/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/ints/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/floats/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/floats/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/floats/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/floats/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_rev` is never used
[INFO] [stdout]  --> src/strings/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_cmp` is never used
[INFO] [stdout]  --> src/strings/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FFI` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `ffi`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` should have an upper case name
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub const paths: [&str; 3] = [
[INFO] [stdout] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Numerics` should have a snake case name
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod Numerics {
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `add` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `add` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `sub` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `sub` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `mul` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `mul` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "0e5362b91718be9a6c1665999cd2063dadb0b2288e3c75aefcb345b91fb401e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5362b91718be9a6c1665999cd2063dadb0b2288e3c75aefcb345b91fb401e4", kill_on_drop: false }`
[INFO] [stdout] 0e5362b91718be9a6c1665999cd2063dadb0b2288e3c75aefcb345b91fb401e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d699c2020a158e152a072cc7e8164f455e2763d420cec0cadcfa38e13d70985
[INFO] running `Command { std: "docker" "start" "-a" "9d699c2020a158e152a072cc7e8164f455e2763d420cec0cadcfa38e13d70985", kill_on_drop: false }`
[INFO] [stderr]    Compiling FFI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/ints/mod.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 |   #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]  4 | / extern "C" {
[INFO] [stdout]  5 | |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  6 | |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  7 | |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  8 | |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  9 | |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- not a free function, impl method or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/floats/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 4 | / extern "C" {
[INFO] [stdout] 5 | |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 6 | |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 7 | |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 8 | |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/strings/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 5 | / extern "C" {
[INFO] [stdout] 6 | |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout] 7 | |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` is never used
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/common.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn test<T>(func: &str, x: T, y: T, i: usize) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/ints/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/ints/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/ints/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/ints/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/ints/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/floats/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/floats/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/floats/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/floats/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_rev` is never used
[INFO] [stdout]  --> src/strings/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_cmp` is never used
[INFO] [stdout]  --> src/strings/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FFI` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `ffi`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` should have an upper case name
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub const paths: [&str; 3] = [
[INFO] [stdout] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Numerics` should have a snake case name
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod Numerics {
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `add` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `add` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `sub` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `sub` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `mul` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `mul` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/ints/mod.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 |   #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]  4 | / extern "C" {
[INFO] [stdout]  5 | |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  6 | |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  7 | |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  8 | |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]  9 | |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- not a free function, impl method or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/floats/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 4 | / extern "C" {
[INFO] [stdout] 5 | |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 6 | |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 7 | |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 8 | |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/strings/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 5 | / extern "C" {
[INFO] [stdout] 6 | |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout] 7 | |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let r = unsafe { test::<c_int>("add", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let r = unsafe { test::<c_int>("sub", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let r = unsafe { test::<c_int>("mul", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let r = unsafe { test::<c_int>("div", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let r = unsafe { test::<c_int>("modulo", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let r = unsafe { test::<c_float>("add", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let r = unsafe { test::<c_float>("sub", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let r = unsafe { test::<c_float>("mul", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let r = unsafe { test::<c_float>("div", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/ints/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/ints/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/ints/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/ints/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/ints/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/floats/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/floats/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/floats/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/floats/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_rev` is never used
[INFO] [stdout]  --> src/strings/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_cmp` is never used
[INFO] [stdout]  --> src/strings/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` should have an upper case name
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub const paths: [&str; 3] = [
[INFO] [stdout] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Numerics` should have a snake case name
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod Numerics {
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `add` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `add` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `sub` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `sub` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `mul` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `mul` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "9d699c2020a158e152a072cc7e8164f455e2763d420cec0cadcfa38e13d70985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d699c2020a158e152a072cc7e8164f455e2763d420cec0cadcfa38e13d70985", kill_on_drop: false }`
[INFO] [stdout] 9d699c2020a158e152a072cc7e8164f455e2763d420cec0cadcfa38e13d70985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b359073de6f5a0bd5f898b9e7be5ec593bea788a8e709711b86547b32c2fcdb
[INFO] running `Command { std: "docker" "start" "-a" "7b359073de6f5a0bd5f898b9e7be5ec593bea788a8e709711b86547b32c2fcdb", kill_on_drop: false }`
[INFO] [stderr] warning: attribute should be applied to a free function, impl method or static
[INFO] [stderr]   --> src/ints/mod.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr]  3 |   #[no_mangle]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr]  4 | / extern "C" {
[INFO] [stderr]  5 | |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]  6 | |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]  7 | |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]  8 | |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]  9 | |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stderr] 10 | | }
[INFO] [stderr]    | |_- not a free function, impl method or static
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: attribute should be applied to a free function, impl method or static
[INFO] [stderr]  --> src/floats/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 |   #[no_mangle]
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr] 4 | / extern "C" {
[INFO] [stderr] 5 | |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stderr] 6 | |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stderr] 7 | |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stderr] 8 | |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stderr] 9 | | }
[INFO] [stderr]   | |_- not a free function, impl method or static
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: attribute should be applied to a free function, impl method or static
[INFO] [stderr]  --> src/strings/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 |   #[no_mangle]
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr] 5 | / extern "C" {
[INFO] [stderr] 6 | |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stderr] 7 | |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_- not a free function, impl method or static
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: constant `paths` is never used
[INFO] [stderr]  --> src/common.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const paths: [&str; 3] = [
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/common.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn test<T>(func: &str, x: T, y: T, i: usize) -> T {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> src/ints/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub` is never used
[INFO] [stderr]  --> src/ints/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul` is never used
[INFO] [stderr]  --> src/ints/mod.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `div` is never used
[INFO] [stderr]  --> src/ints/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `modulo` is never used
[INFO] [stderr]  --> src/ints/mod.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> src/floats/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub` is never used
[INFO] [stderr]  --> src/floats/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul` is never used
[INFO] [stderr]  --> src/floats/mod.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `div` is never used
[INFO] [stderr]  --> src/floats/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `str_rev` is never used
[INFO] [stderr]  --> src/strings/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `str_cmp` is never used
[INFO] [stderr]  --> src/strings/mod.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `FFI` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `ffi`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `paths` should have an upper case name
[INFO] [stderr]  --> src/common.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const paths: [&str; 3] = [
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]   |
[INFO] [stderr] 3 - pub const paths: [&str; 3] = [
[INFO] [stderr] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: module `Numerics` should have a snake case name
[INFO] [stderr]  --> src/common.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod Numerics {
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stderr] 
[INFO] [stderr] warning: `add` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `add` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sub` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `sub` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr] 
[INFO] [stderr] warning: `mul` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `mul` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr] 
[INFO] [stderr] warning: `div` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `div` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let r = unsafe { test::<c_int>("add", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let r = unsafe { test::<c_int>("sub", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let r = unsafe { test::<c_int>("mul", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let r = unsafe { test::<c_int>("div", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let r = unsafe { test::<c_int>("modulo", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let r = unsafe { test::<c_float>("add", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let r = unsafe { test::<c_float>("sub", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let r = unsafe { test::<c_float>("mul", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let r = unsafe { test::<c_float>("div", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> src/ints/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Numerics` should have a snake case name
[INFO] [stderr]  --> src/common.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod Numerics {
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `FFI` (lib) generated 23 warnings (run `cargo fix --lib -p FFI` to apply 1 suggestion)
[INFO] [stderr] warning: `FFI` (lib test) generated 29 warnings (18 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/FFI-3c3223c74516016b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test ints::tests::it_works ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test strings::tests::string_comparision_works ... FAILED
[INFO] [stdout] test floats::tests::it_works ... FAILED
[INFO] [stdout] test strings::tests::string_reversal_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- ints::tests::it_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'ints::tests::it_works' panicked at src/common.rs:14:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/ints/ints.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5571fedab7d2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5571fedab7d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5571fedab7d2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5571fedab7d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5571fedd18b3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5571fedd18b3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5571feda8753 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5571feda8753 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5571fedab622 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5571fedacd49 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5571fedacb7e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5571fed72884 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5571fed72884 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5571fedad71e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5571fedad71e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5571fedad4ea - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5571fedabcc9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5571fedad17d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5571fedcf8c0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5571fedcfcf6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5571fed36e3f - core::result::Result<T,E>::unwrap::h2a0401393ecbd3ef
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5571fed36e3f - FFI::common::Numerics::test::hc81104b8d5b09ba7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:46
[INFO] [stdout]   22:     0x5571fed370fd - FFI::ints::tests::it_works::h4958c0639913c298
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:22:26
[INFO] [stdout]   23:     0x5571fed370a7 - FFI::ints::tests::it_works::{{closure}}::hf95f695759510953
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:18:18
[INFO] [stdout]   24:     0x5571fed34ff6 - core::ops::function::FnOnce::call_once::h60cc91db3d10c5bf
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5571fed780eb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x5571fed780eb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x5571fed77225 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x5571fed77225 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5571fed77225 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x5571fed77225 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x5571fed77225 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5571fed77225 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x5571fed77225 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x5571fed3ae24 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x5571fed3ae24 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x5571fed3e7fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5571fed3e7fa - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x5571fed3e7fa - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x5571fed3e7fa - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x5571fed3e7fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   43:     0x5571fedb069f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5571fedb069f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   45:     0x7f04e4194aa4 - <unknown>
[INFO] [stdout]   46:     0x7f04e4221a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- strings::tests::string_comparision_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'strings::tests::string_comparision_works' panicked at src/strings/mod.rs:39:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/strings/strings.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5571fedab7d2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5571fedab7d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5571fedab7d2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5571fedab7d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5571fedd18b3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5571fedd18b3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5571feda8753 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5571feda8753 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5571fedab622 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5571fedacd49 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5571fedacb7e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5571fed72884 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5571fed72884 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5571fedad71e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5571fedad71e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5571fedad4ea - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5571fedabcc9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5571fedad17d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5571fedcf8c0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5571fedcfcf6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5571fed37e31 - core::result::Result<T,E>::unwrap::h2a0401393ecbd3ef
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5571fed37e31 - FFI::strings::tests::string_comparision_works::hebd7a70ba515d224
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:39:46
[INFO] [stdout]   22:     0x5571fed37d67 - FFI::strings::tests::string_comparision_works::{{closure}}::hb3d455d3ad03674c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:37:34
[INFO] [stdout]   23:     0x5571fed34f06 - core::ops::function::FnOnce::call_once::h105b44d99a6fe43c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5571fed780eb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5571fed780eb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5571fed77225 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5571fed77225 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5571fed77225 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5571fed77225 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5571fed77225 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5571fed77225 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5571fed77225 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5571fed3ae24 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5571fed3ae24 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5571fed3e7fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5571fed3e7fa - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5571fed3e7fa - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5571fed3e7fa - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5571fed3e7fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5571fedb069f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5571fedb069f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7f04e4194aa4 - <unknown>
[INFO] [stdout]   45:     0x7f04e4221a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- floats::tests::it_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'floats::tests::it_works' panicked at src/common.rs:14:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/floats/floats.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5571fedab7d2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5571fedab7d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5571fedab7d2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5571fedab7d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5571fedd18b3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5571fedd18b3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5571feda8753 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5571feda8753 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5571fedab622 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5571fedacd49 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5571fedacb7e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5571fed72884 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5571fed72884 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5571fedad71e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5571fedad71e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5571fedad4ea - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5571fedabcc9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5571fedad17d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5571fedcf8c0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5571fedcfcf6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5571fed36a67 - core::result::Result<T,E>::unwrap::h2a0401393ecbd3ef
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5571fed36a67 - FFI::common::Numerics::test::h4639e2e1e02223d2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:46
[INFO] [stdout]   22:     0x5571fed373ff - FFI::floats::tests::it_works::h972989ff41831490
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:21:26
[INFO] [stdout]   23:     0x5571fed37397 - FFI::floats::tests::it_works::{{closure}}::h16fe270fd1199d07
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:17:18
[INFO] [stdout]   24:     0x5571fed35056 - core::ops::function::FnOnce::call_once::h7151bca32f2bd376
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5571fed780eb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x5571fed780eb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x5571fed77225 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x5571fed77225 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5571fed77225 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x5571fed77225 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x5571fed77225 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5571fed77225 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x5571fed77225 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x5571fed3ae24 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x5571fed3ae24 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x5571fed3e7fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5571fed3e7fa - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x5571fed3e7fa - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x5571fed3e7fa - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x5571fed3e7fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   43:     0x5571fedb069f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5571fedb069f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   45:     0x7f04e4194aa4 - <unknown>
[INFO] [stdout]   46:     0x7f04e4221a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- strings::tests::string_reversal_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'strings::tests::string_reversal_works' panicked at src/strings/mod.rs:20:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/strings/strings.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5571fedab7d2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5571fedab7d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5571fedab7d2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5571fedab7d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5571fedd18b3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5571fedd18b3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5571feda8753 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5571feda8753 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5571fedab622 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5571fedacd49 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5571fedacb7e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5571fed72884 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5571fed72884 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5571fedad71e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5571fedad71e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5571fedad4ea - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5571fedabcc9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5571fedad17d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5571fedcf8c0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5571fedcfcf6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5571fed37731 - core::result::Result<T,E>::unwrap::h2a0401393ecbd3ef
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5571fed37731 - FFI::strings::tests::string_reversal_works::he8269c9f07aa93e4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:20:46
[INFO] [stdout]   22:     0x5571fed37667 - FFI::strings::tests::string_reversal_works::{{closure}}::h964f6287825c059a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:18:31
[INFO] [stdout]   23:     0x5571fed35176 - core::ops::function::FnOnce::call_once::hf87ea70c3722ba21
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5571fed780eb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5571fed780eb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5571fed77225 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5571fed77225 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5571fed77225 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5571fed77225 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5571fed77225 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5571fed77225 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5571fed77225 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5571fed3ae24 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5571fed3ae24 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5571fed3e7fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5571fed3e7fa - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5571fed3e7fa - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5571fed3e7fa - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5571fed3e7fa - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5571fed3e7fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5571fedb069f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5571fedb069f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7f04e4194aa4 - <unknown>
[INFO] [stdout]   45:     0x7f04e4221a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     floats::tests::it_works
[INFO] [stdout]     ints::tests::it_works
[INFO] [stdout]     strings::tests::string_comparision_works
[INFO] [stdout]     strings::tests::string_reversal_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b359073de6f5a0bd5f898b9e7be5ec593bea788a8e709711b86547b32c2fcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b359073de6f5a0bd5f898b9e7be5ec593bea788a8e709711b86547b32c2fcdb", kill_on_drop: false }`
[INFO] [stdout] 7b359073de6f5a0bd5f898b9e7be5ec593bea788a8e709711b86547b32c2fcdb
