[INFO] fetching crate shared_library 0.1.9...
[INFO] testing shared_library-0.1.9 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate shared_library 0.1.9 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate shared_library 0.1.9
[INFO] finished tweaking crates.io crate shared_library 0.1.9
[INFO] tweaked toml for crates.io crate shared_library 0.1.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shared_library 0.1.9 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `shared_library` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b
[INFO] running `Command { std: "docker" "start" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `shared_library` (manifest) generated 1 warning
[INFO] [stderr]    Compiling shared_library v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]    --> src/dynamic_library.rs:222:11
[INFO] [stdout]     |
[INFO] [stdout] 222 |           target_os = "bitrig",
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `ps3`, `psp`, `psx`, `qnx`, `qurt`, `redox`, and `rtems` and 16 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/dynamic_library.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 292 |     extern {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/dynamic_library.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 |             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 146 -             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stdout] 146 +             SpecialHandles::Next => std::ptr::with_exposed_provenance_mut::<c_void>(-1),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `shared_library` (manifest) generated 1 warning
[INFO] [stderr]    Compiling shared_library v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]    --> src/dynamic_library.rs:222:11
[INFO] [stdout]     |
[INFO] [stdout] 222 |           target_os = "bitrig",
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `ps3`, `psp`, `psx`, `qnx`, `qurt`, `redox`, and `rtems` and 16 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/dynamic_library.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 292 |     extern {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/dynamic_library.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 |             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 146 -             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stdout] 146 +             SpecialHandles::Next => std::ptr::with_exposed_provenance_mut::<c_void>(-1),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]    --> src/dynamic_library.rs:222:11
[INFO] [stdout]     |
[INFO] [stdout] 222 |           target_os = "bitrig",
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `ps3`, `psp`, `psx`, `qnx`, `qurt`, `redox`, and `rtems` and 16 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stdout]    --> src/dynamic_library.rs:199:15
[INFO] [stdout]     |
[INFO] [stdout] 199 |               target_os = "bitrig",
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `ps3`, `psp`, `psx`, `qnx`, `qurt`, `redox`, and `rtems` and 16 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/dynamic_library.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let cosine: extern fn(libc::c_double) -> libc::c_double = unsafe {
[INFO] [stdout]     |                     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/dynamic_library.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 292 |     extern {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/dynamic_library.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 |             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 146 -             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stdout] 146 +             SpecialHandles::Next => std::ptr::with_exposed_provenance_mut::<c_void>(-1),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `shared_library` (manifest) generated 1 warning
[INFO] [stderr] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stderr]    --> src/dynamic_library.rs:222:11
[INFO] [stderr]     |
[INFO] [stderr] 222 |           target_os = "bitrig",
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `ps3`, `psp`, `psx`, `qnx`, `qurt`, `redox`, and `rtems` and 16 more
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/dynamic_library.rs:292:5
[INFO] [stderr]     |
[INFO] [stderr] 292 |     extern {
[INFO] [stderr]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stderr]    --> src/dynamic_library.rs:146:37
[INFO] [stderr]     |
[INFO] [stderr] 146 |             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stderr]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stderr]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stderr]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stderr]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stderr]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stderr] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stderr]     |
[INFO] [stderr] 146 -             SpecialHandles::Next => mem::transmute::<libc::c_long, _>(-1),
[INFO] [stderr] 146 +             SpecialHandles::Next => std::ptr::with_exposed_provenance_mut::<c_void>(-1),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `bitrig`
[INFO] [stderr]    --> src/dynamic_library.rs:199:15
[INFO] [stderr]     |
[INFO] [stderr] 199 |               target_os = "bitrig",
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `ps3`, `psp`, `psx`, `qnx`, `qurt`, `redox`, and `rtems` and 16 more
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/dynamic_library.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let cosine: extern fn(libc::c_double) -> libc::c_double = unsafe {
[INFO] [stderr]     |                     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/dynamic_library.rs:292:5
[INFO] [stderr]     |
[INFO] [stderr] 292 |     extern {
[INFO] [stderr]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr] 
[INFO] [stderr] warning: `shared_library` (lib) generated 3 warnings (run `cargo fix --lib -p shared_library` to apply 2 suggestions)
[INFO] [stderr] warning: `shared_library` (lib test) generated 5 warnings (2 duplicates) (run `cargo fix --lib -p shared_library --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/shared_library/646cab70dc81f8a7/out/shared_library-646cab70dc81f8a7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test dynamic_library::test::test_errors_do_not_crash ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test dynamic_library::test::test_loading_cosine ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- dynamic_library::test::test_loading_cosine stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'dynamic_library::test::test_loading_cosine' (146) panicked at src/dynamic_library.rs:178:31:
[INFO] [stdout] Could not load function cos: /opt/rustwide/target/release/build/shared_library/646cab70dc81f8a7/out/shared_library-646cab70dc81f8a7: undefined symbol: cos
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60cd2acc4291 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x60cd2acd841a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x60cd2acc855c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x60cd2aca06f6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x60cd2acbc929 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x60cd2ac58f70 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x60cd2acbcae2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x60cd2aca07a2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x60cd2ac99489 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x60cd2aca13ad - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x60cd2acd8b4c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x60cd2ac4c198 - <shared_library[b6c1c4efe271ab6f]::dynamic_library::test::test_loading_cosine::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   12:     0x60cd2ac4c3bb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   13:     0x60cd2ac59595 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   14:     0x60cd2ac52e84 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   15:     0x60cd2ac5c622 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   16:     0x60cd2acc3aef - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   17:     0x7714a0ca7dfa - <unknown>
[INFO] [stdout]   18:     0x7714a0d3b3d4 - clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     dynamic_library::test::test_loading_cosine
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b", kill_on_drop: false }`
[INFO] [stdout] ff99d86f1f1deba4e10753c68db48dd4e5dab31acc18b6a0dec10cac043ca56b
