[INFO] cloning repository https://github.com/abbas-14/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/abbas-14/rust_FFI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbas-14%2Frust_FFI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbas-14%2Frust_FFI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e1ffeadc432a2329cd8bed7ef4c4e510b8ac8d3
[INFO] testing abbas-14/rust_FFI against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbas-14%2Frust_FFI" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abbas-14/rust_FFI on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abbas-14/rust_FFI
[INFO] finished tweaking git repo https://github.com/abbas-14/rust_FFI
[INFO] tweaked toml for git repo https://github.com/abbas-14/rust_FFI written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/abbas-14/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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aca1a28d3fa20e328fadb34124bc472b01ff409371922c271bd36a7d82694941
[INFO] running `Command { std: "docker" "start" "-a" "aca1a28d3fa20e328fadb34124bc472b01ff409371922c271bd36a7d82694941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca1a28d3fa20e328fadb34124bc472b01ff409371922c271bd36a7d82694941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca1a28d3fa20e328fadb34124bc472b01ff409371922c271bd36a7d82694941", kill_on_drop: false }`
[INFO] [stdout] aca1a28d3fa20e328fadb34124bc472b01ff409371922c271bd36a7d82694941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b97249ade595c6c988d38d4f48d84fa54c40eb7d9798e8e05a34ad2aed777f
[INFO] running `Command { std: "docker" "start" "-a" "75b97249ade595c6c988d38d4f48d84fa54c40eb7d9798e8e05a34ad2aed777f", 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]   |           ^^^^^ help: convert the identifier to upper case: `PATHS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[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: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "75b97249ade595c6c988d38d4f48d84fa54c40eb7d9798e8e05a34ad2aed777f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b97249ade595c6c988d38d4f48d84fa54c40eb7d9798e8e05a34ad2aed777f", kill_on_drop: false }`
[INFO] [stdout] 75b97249ade595c6c988d38d4f48d84fa54c40eb7d9798e8e05a34ad2aed777f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d71d3b57dbc6275286f8903524e59c7d0842b1dce1ae9b8f292beb7a801afc
[INFO] running `Command { std: "docker" "start" "-a" "c0d71d3b57dbc6275286f8903524e59c7d0842b1dce1ae9b8f292beb7a801afc", kill_on_drop: false }`
[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]   |           ^^^^^ help: convert the identifier to upper case: `PATHS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[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] [stderr]    Compiling FFI v0.1.0 (/opt/rustwide/workdir)
[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: 23 warnings emitted
[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: 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]   |           ^^^^^ help: convert the identifier to upper case: `PATHS`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[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: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c0d71d3b57dbc6275286f8903524e59c7d0842b1dce1ae9b8f292beb7a801afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d71d3b57dbc6275286f8903524e59c7d0842b1dce1ae9b8f292beb7a801afc", kill_on_drop: false }`
[INFO] [stdout] c0d71d3b57dbc6275286f8903524e59c7d0842b1dce1ae9b8f292beb7a801afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7173eeb6d34e1e561939b9277e1599d9ec81d3116271f2a108a98a5ef73c9235
[INFO] running `Command { std: "docker" "start" "-a" "7173eeb6d34e1e561939b9277e1599d9ec81d3116271f2a108a98a5ef73c9235", 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]   |           ^^^^^ help: convert the identifier to upper case: `PATHS`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` 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] 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: `FFI` (lib) generated 23 warnings
[INFO] [stderr] warning: `FFI` (lib test) generated 30 warnings (20 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/FFI-988362d5264a3671)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test floats::tests::it_works ... FAILED
[INFO] [stdout] test ints::tests::it_works ... FAILED
[INFO] [stdout] test strings::tests::string_comparision_works ... FAILED
[INFO] [stdout] test strings::tests::string_reversal_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- floats::tests::it_works 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:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563a9dd2ca7c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x563a9dd2ca7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563a9dd570f0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563a9dd570f0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x563a9dd2a42f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x563a9dd2c864 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563a9dd2c864 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563a9dd2e527 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x563a9dd2e213 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563a9dcfc177 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x563a9dcfc177 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563a9dd2eb38 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x563a9dd2eb38 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563a9dd2e88e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563a9dd2cf46 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x563a9dd2e5f2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563a9dcc1ce5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563a9dcc2183 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x563a9dcc5998 - core::result::Result<T,E>::unwrap::h361c35109bc16efe
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x563a9dcc6d84 - FFI::common::Numerics::test::hf5fffb8acc5a5c18
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:23
[INFO] [stdout]   22:     0x563a9dcc72d9 - FFI::floats::tests::it_works::hc9589420e23b2f3a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:21:26
[INFO] [stdout]   23:     0x563a9dcc7277 - FFI::floats::tests::it_works::{{closure}}::h8ec0fd18ece718c3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:17:18
[INFO] [stdout]   24:     0x563a9dcc5066 - core::ops::function::FnOnce::call_once::hcbf23c83b776b029
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563a9dd017cf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x563a9dd017cf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   27:     0x563a9dd007e5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   28:     0x563a9dd007e5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x563a9dd007e5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x563a9dd007e5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x563a9dd007e5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x563a9dd007e5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   33:     0x563a9dd007e5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   34:     0x563a9dcc8aa6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   35:     0x563a9dcc8aa6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   36:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x563a9dccdb57 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x563a9dccdb57 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x563a9dccdb57 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x563a9dccdb57 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x563a9dccdb57 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   45:     0x563a9dd335c5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fe102167ac3 - <unknown>
[INFO] [stdout]   47:     0x7fe1021f8bf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- ints::tests::it_works 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:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563a9dd2ca7c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x563a9dd2ca7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563a9dd570f0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563a9dd570f0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x563a9dd2a42f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x563a9dd2c864 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563a9dd2c864 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563a9dd2e527 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x563a9dd2e213 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563a9dcfc177 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x563a9dcfc177 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563a9dd2eb38 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x563a9dd2eb38 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563a9dd2e88e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563a9dd2cf46 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x563a9dd2e5f2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563a9dcc1ce5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563a9dcc2183 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x563a9dcc5998 - core::result::Result<T,E>::unwrap::h361c35109bc16efe
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x563a9dcc6b4c - FFI::common::Numerics::test::hced9c6af5f1c3953
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:23
[INFO] [stdout]   22:     0x563a9dcc6f17 - FFI::ints::tests::it_works::h0723f86605534bf6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:22:26
[INFO] [stdout]   23:     0x563a9dcc6ec7 - FFI::ints::tests::it_works::{{closure}}::h92ebcbb79c09ac98
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:18:18
[INFO] [stdout]   24:     0x563a9dcc4eb6 - core::ops::function::FnOnce::call_once::h4bc1f9c6d70dc383
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563a9dd017cf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x563a9dd017cf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   27:     0x563a9dd007e5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   28:     0x563a9dd007e5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x563a9dd007e5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x563a9dd007e5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x563a9dd007e5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x563a9dd007e5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   33:     0x563a9dd007e5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   34:     0x563a9dcc8aa6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   35:     0x563a9dcc8aa6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   36:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x563a9dccdb57 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x563a9dccdb57 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x563a9dccdb57 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x563a9dccdb57 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x563a9dccdb57 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   45:     0x563a9dd335c5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fe102167ac3 - <unknown>
[INFO] [stdout]   47:     0x7fe1021f8bf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- strings::tests::string_comparision_works 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:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563a9dd2ca7c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x563a9dd2ca7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563a9dd570f0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563a9dd570f0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x563a9dd2a42f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x563a9dd2c864 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563a9dd2c864 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563a9dd2e527 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x563a9dd2e213 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563a9dcfc177 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x563a9dcfc177 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563a9dd2eb38 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x563a9dd2eb38 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563a9dd2e88e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563a9dd2cf46 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x563a9dd2e5f2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563a9dcc1ce5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563a9dcc2183 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x563a9dcc5998 - core::result::Result<T,E>::unwrap::h361c35109bc16efe
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x563a9dcc7abd - FFI::strings::tests::string_comparision_works::h2e60574bb5f1b67f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:39:23
[INFO] [stdout]   22:     0x563a9dcc7a37 - FFI::strings::tests::string_comparision_works::{{closure}}::h46be922380792c22
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:37:34
[INFO] [stdout]   23:     0x563a9dcc50a6 - core::ops::function::FnOnce::call_once::hce0ed6d05e8948c4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x563a9dd017cf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563a9dd017cf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x563a9dd007e5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x563a9dd007e5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x563a9dd007e5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x563a9dd007e5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x563a9dd007e5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x563a9dd007e5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x563a9dd007e5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x563a9dcc8aa6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x563a9dcc8aa6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x563a9dccdb57 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x563a9dccdb57 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x563a9dccdb57 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x563a9dccdb57 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x563a9dccdb57 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x563a9dd335c5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fe102167ac3 - <unknown>
[INFO] [stdout]   46:     0x7fe1021f8bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- strings::tests::string_reversal_works 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:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x563a9dd2ca7c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563a9dd2ca7c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x563a9dd2ca7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563a9dd570f0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563a9dd570f0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x563a9dd2a42f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x563a9dd2c864 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563a9dd2c864 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563a9dd2e527 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x563a9dd2e213 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563a9dcfc177 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x563a9dcfc177 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563a9dd2eb38 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x563a9dd2eb38 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563a9dd2e88e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563a9dd2cf46 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x563a9dd2e5f2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563a9dcc1ce5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563a9dcc2183 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x563a9dcc5998 - core::result::Result<T,E>::unwrap::h361c35109bc16efe
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x563a9dcc768d - FFI::strings::tests::string_reversal_works::h94100c81f5334dc7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:20:23
[INFO] [stdout]   22:     0x563a9dcc7607 - FFI::strings::tests::string_reversal_works::{{closure}}::h8271785a0dd90d3a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:18:31
[INFO] [stdout]   23:     0x563a9dcc4f56 - core::ops::function::FnOnce::call_once::h69ff35c386f2b71d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x563a9dd017cf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563a9dd017cf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x563a9dd007e5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x563a9dd007e5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x563a9dd007e5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x563a9dd007e5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x563a9dd007e5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x563a9dd007e5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x563a9dd007e5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x563a9dcc8aa6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x563a9dcc8aa6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x563a9dccdb57 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x563a9dccdb57 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x563a9dccdb57 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x563a9dccdb57 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x563a9dccdb57 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x563a9dccdb57 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x563a9dd335c5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x563a9dd335c5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fe102167ac3 - <unknown>
[INFO] [stdout]   46:     0x7fe1021f8bf4 - __clone
[INFO] [stdout]   47:                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 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "7173eeb6d34e1e561939b9277e1599d9ec81d3116271f2a108a98a5ef73c9235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7173eeb6d34e1e561939b9277e1599d9ec81d3116271f2a108a98a5ef73c9235", kill_on_drop: false }`
[INFO] [stdout] 7173eeb6d34e1e561939b9277e1599d9ec81d3116271f2a108a98a5ef73c9235
