[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 beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbas-14%2Frust_FFI" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abbas-14/rust_FFI on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "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-2-tc2/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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6094470ff57a0c8fe24cc625d5b6cb224b290f5825d71640eac74ea2c22abeb2
[INFO] running `Command { std: "docker" "start" "-a" "6094470ff57a0c8fe24cc625d5b6cb224b290f5825d71640eac74ea2c22abeb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6094470ff57a0c8fe24cc625d5b6cb224b290f5825d71640eac74ea2c22abeb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6094470ff57a0c8fe24cc625d5b6cb224b290f5825d71640eac74ea2c22abeb2", kill_on_drop: false }`
[INFO] [stdout] 6094470ff57a0c8fe24cc625d5b6cb224b290f5825d71640eac74ea2c22abeb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8027ad361107a1ee80ce1c245606fd4931a24adecf34dd1645df2d4a7756b837
[INFO] running `Command { std: "docker" "start" "-a" "8027ad361107a1ee80ce1c245606fd4931a24adecf34dd1645df2d4a7756b837", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "8027ad361107a1ee80ce1c245606fd4931a24adecf34dd1645df2d4a7756b837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8027ad361107a1ee80ce1c245606fd4931a24adecf34dd1645df2d4a7756b837", kill_on_drop: false }`
[INFO] [stdout] 8027ad361107a1ee80ce1c245606fd4931a24adecf34dd1645df2d4a7756b837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 323b5e105c8c07e97837ffafd3b2c89b93df8154146485d7d71018266456dae8
[INFO] running `Command { std: "docker" "start" "-a" "323b5e105c8c07e97837ffafd3b2c89b93df8154146485d7d71018266456dae8", 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] [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] [stderr]    Compiling FFI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/ints/mod.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  |   #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 4  | / extern "C" {
[INFO] [stdout] 5  | |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 6  | |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 7  | |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 8  | |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 9  | |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- not a free function, impl method or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/floats/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 4 | / extern "C" {
[INFO] [stdout] 5 | |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 6 | |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 7 | |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 8 | |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/strings/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 5 | / extern "C" {
[INFO] [stdout] 6 | |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout] 7 | |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let r = unsafe { test::<c_int>("add", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let r = unsafe { test::<c_int>("sub", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let r = unsafe { test::<c_int>("mul", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let r = unsafe { test::<c_int>("div", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let r = unsafe { test::<c_int>("modulo", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let r = unsafe { test::<c_float>("add", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let r = unsafe { test::<c_float>("sub", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let r = unsafe { test::<c_float>("mul", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let r = unsafe { test::<c_float>("div", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/ints/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/ints/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/ints/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/ints/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/ints/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/floats/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/floats/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/floats/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/floats/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_rev` is never used
[INFO] [stdout]  --> src/strings/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_cmp` is never used
[INFO] [stdout]  --> src/strings/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` should have an upper case name
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^ 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]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `add` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `add` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `sub` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `sub` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `mul` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `mul` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "323b5e105c8c07e97837ffafd3b2c89b93df8154146485d7d71018266456dae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323b5e105c8c07e97837ffafd3b2c89b93df8154146485d7d71018266456dae8", kill_on_drop: false }`
[INFO] [stdout] 323b5e105c8c07e97837ffafd3b2c89b93df8154146485d7d71018266456dae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e32c7afd4941885de368e16044aaed9391a5184edfdf9963b60e80ed1057325
[INFO] running `Command { std: "docker" "start" "-a" "0e32c7afd4941885de368e16044aaed9391a5184edfdf9963b60e80ed1057325", 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: module `Numerics` should have a snake case name
[INFO] [stderr]  --> src/common.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod Numerics {
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `FFI` (lib) generated 23 warnings
[INFO] [stderr] warning: `FFI` (lib test) generated 29 warnings (18 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/FFI-21928c291ff48358)
[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:     0x56e89f64f3ea - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56e89f64f3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56e89f64f3ea - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56e89f64f3ea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56e89f675a23 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56e89f675a23 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x56e89f64c583 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x56e89f64f232 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56e89f65086d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56e89f650677 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56e89f6176c7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x56e89f6176c7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x56e89f650f18 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x56e89f650f18 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56e89f650cda - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56e89f64f8c9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56e89f65096c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56e89f5d6a90 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x56e89f5d6e36 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x56e89f5db3bb - core::result::Result<T,E>::unwrap::hd2576735d9213b99
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x56e89f5db3bb - FFI::common::Numerics::test::h2e620ee7d1237b31
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:23
[INFO] [stdout]   21:     0x56e89f5dbd4f - FFI::floats::tests::it_works::hce1effa89d19a069
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:21:26
[INFO] [stdout]   22:     0x56e89f5dbce7 - FFI::floats::tests::it_works::{{closure}}::h7ebea7c5fa3d86a7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:17:18
[INFO] [stdout]   23:     0x56e89f5d9966 - core::ops::function::FnOnce::call_once::h4d95aa5d8a308314
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56e89f61c1eb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56e89f61c1eb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   26:     0x56e89f61bbd8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   27:     0x56e89f61bbd8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56e89f61bbd8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x56e89f61bbd8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x56e89f61bbd8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x56e89f61bbd8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   32:     0x56e89f61bbd8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   33:     0x56e89f5df67a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   34:     0x56e89f5df67a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   36:     0x56e89f5e2ff4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56e89f5e2ff4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x56e89f5e2ff4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x56e89f5e2ff4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   41:     0x56e89f5e2ff4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   44:     0x56e89f654e5b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x77f969bc6ac3 - <unknown>
[INFO] [stdout]   46:     0x77f969c57a04 - clone
[INFO] [stdout]   47:                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:     0x56e89f64f3ea - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56e89f64f3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56e89f64f3ea - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56e89f64f3ea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56e89f675a23 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56e89f675a23 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x56e89f64c583 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x56e89f64f232 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56e89f65086d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56e89f650677 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56e89f6176c7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x56e89f6176c7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x56e89f650f18 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x56e89f650f18 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56e89f650cda - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56e89f64f8c9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56e89f65096c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56e89f5d6a90 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x56e89f5d6e36 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x56e89f5db783 - core::result::Result<T,E>::unwrap::hd2576735d9213b99
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x56e89f5db783 - FFI::common::Numerics::test::h577a026bc08ae587
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:23
[INFO] [stdout]   21:     0x56e89f5dba3d - FFI::ints::tests::it_works::h0890bb970b7c4bbb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:22:26
[INFO] [stdout]   22:     0x56e89f5db9e7 - FFI::ints::tests::it_works::{{closure}}::h5755733030028edf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:18:18
[INFO] [stdout]   23:     0x56e89f5d99c6 - core::ops::function::FnOnce::call_once::h69c3679e7f7f9fd7
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56e89f61c1eb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56e89f61c1eb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   26:     0x56e89f61bbd8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   27:     0x56e89f61bbd8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56e89f61bbd8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x56e89f61bbd8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x56e89f61bbd8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x56e89f61bbd8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   32:     0x56e89f61bbd8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   33:     0x56e89f5df67a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   34:     0x56e89f5df67a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   36:     0x56e89f5e2ff4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56e89f5e2ff4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x56e89f5e2ff4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x56e89f5e2ff4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   41:     0x56e89f5e2ff4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   44:     0x56e89f654e5b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x77f969bc6ac3 - <unknown>
[INFO] [stdout]   46:     0x77f969c57a04 - clone
[INFO] [stdout]   47:                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:     0x56e89f64f3ea - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56e89f64f3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56e89f64f3ea - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56e89f64f3ea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56e89f675a23 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56e89f675a23 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x56e89f64c583 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x56e89f64f232 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56e89f65086d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56e89f650677 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56e89f6176c7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x56e89f6176c7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x56e89f650f18 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x56e89f650f18 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56e89f650cda - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56e89f64f8c9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56e89f65096c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56e89f5d6a90 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x56e89f5d6e36 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x56e89f5dc7e5 - core::result::Result<T,E>::unwrap::hd2576735d9213b99
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x56e89f5dc7e5 - FFI::strings::tests::string_comparision_works::hdf800b4b79b384dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:39:23
[INFO] [stdout]   21:     0x56e89f5dc727 - FFI::strings::tests::string_comparision_works::{{closure}}::h2360e1931e5d9a11
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:37:34
[INFO] [stdout]   22:     0x56e89f5d9b86 - core::ops::function::FnOnce::call_once::hd3e67c7800846902
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56e89f61c1eb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56e89f61c1eb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x56e89f61bbd8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x56e89f61bbd8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56e89f61bbd8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x56e89f61bbd8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x56e89f61bbd8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x56e89f61bbd8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x56e89f61bbd8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x56e89f5df67a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x56e89f5df67a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x56e89f5e2ff4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56e89f5e2ff4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x56e89f5e2ff4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x56e89f5e2ff4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x56e89f5e2ff4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x56e89f654e5b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x77f969bc6ac3 - <unknown>
[INFO] [stdout]   45:     0x77f969c57a04 - clone
[INFO] [stdout]   46:                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:     0x56e89f64f3ea - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x56e89f64f3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56e89f64f3ea - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56e89f64f3ea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56e89f675a23 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x56e89f675a23 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x56e89f64c583 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x56e89f64f232 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x56e89f65086d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x56e89f650677 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x56e89f6176c7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x56e89f6176c7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x56e89f650f18 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x56e89f650f18 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x56e89f650cda - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x56e89f64f8c9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x56e89f65096c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x56e89f5d6a90 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x56e89f5d6e36 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x56e89f5dc0a5 - core::result::Result<T,E>::unwrap::hd2576735d9213b99
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x56e89f5dc0a5 - FFI::strings::tests::string_reversal_works::h6ef7f3db805b7f98
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:20:23
[INFO] [stdout]   21:     0x56e89f5dbfe7 - FFI::strings::tests::string_reversal_works::{{closure}}::ha848733bdf88bb7b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:18:31
[INFO] [stdout]   22:     0x56e89f5d9916 - core::ops::function::FnOnce::call_once::h019230f62f256f69
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56e89f61c1eb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56e89f61c1eb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x56e89f61bbd8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x56e89f61bbd8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56e89f61bbd8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x56e89f61bbd8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x56e89f61bbd8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x56e89f61bbd8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x56e89f61bbd8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x56e89f5df67a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x56e89f5df67a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x56e89f5e2ff4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56e89f5e2ff4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x56e89f5e2ff4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x56e89f5e2ff4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x56e89f5e2ff4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x56e89f5e2ff4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x56e89f654e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x56e89f654e5b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x77f969bc6ac3 - <unknown>
[INFO] [stdout]   45:     0x77f969c57a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     floats::tests::it_works
[INFO] [stdout]     ints::tests::it_works
[INFO] [stdout]     strings::tests::string_comparision_works
[INFO] [stdout]     strings::tests::string_reversal_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0e32c7afd4941885de368e16044aaed9391a5184edfdf9963b60e80ed1057325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e32c7afd4941885de368e16044aaed9391a5184edfdf9963b60e80ed1057325", kill_on_drop: false }`
[INFO] [stdout] 0e32c7afd4941885de368e16044aaed9391a5184edfdf9963b60e80ed1057325
