[INFO] fetching crate libm 0.2.1...
[INFO] testing libm-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate libm 0.2.1 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate libm 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libm 0.2.1
[INFO] finished tweaking crates.io crate libm 0.2.1
[INFO] tweaked toml for crates.io crate libm 0.2.1 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-panic v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a81056f391f10c73014819d509bd1857b3a8978c443bc283354186a9c4923fe
[INFO] running `Command { std: "docker" "start" "-a" "4a81056f391f10c73014819d509bd1857b3a8978c443bc283354186a9c4923fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a81056f391f10c73014819d509bd1857b3a8978c443bc283354186a9c4923fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a81056f391f10c73014819d509bd1857b3a8978c443bc283354186a9c4923fe", kill_on_drop: false }`
[INFO] [stdout] 4a81056f391f10c73014819d509bd1857b3a8978c443bc283354186a9c4923fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad19e381273b5def00ac7d3d546f1fc6a50c6a64c84e55499c2de9b2856526df
[INFO] running `Command { std: "docker" "start" "-a" "ad19e381273b5def00ac7d3d546f1fc6a50c6a64c84e55499c2de9b2856526df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "ad19e381273b5def00ac7d3d546f1fc6a50c6a64c84e55499c2de9b2856526df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad19e381273b5def00ac7d3d546f1fc6a50c6a64c84e55499c2de9b2856526df", kill_on_drop: false }`
[INFO] [stdout] ad19e381273b5def00ac7d3d546f1fc6a50c6a64c84e55499c2de9b2856526df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732dce9bf6aa560e98401765c82c4c119aca85617be70bc83402f30412657c6c
[INFO] running `Command { std: "docker" "start" "-a" "732dce9bf6aa560e98401765c82c4c119aca85617be70bc83402f30412657c6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling no-panic v0.1.15
[INFO] [stderr]    Compiling libm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/math/pow.rs:607:9
[INFO] [stdout]     |
[INFO] [stdout] 607 | /         &[POS_ZERO, NEG_ZERO, POS_ONE, NEG_ONE, POS_EVENS, NEG_EVENS]
[INFO] [stdout] 608 | |             .iter()
[INFO] [stdout] 609 | |             .for_each(|int_set| {
[INFO] [stdout] 610 | |                 int_set.iter().for_each(|int| {
[INFO] [stdout] ...   |
[INFO] [stdout] 614 | |                 })
[INFO] [stdout] 615 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/math/pow.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 | /         &NEG[1..(NEG.len() - 1)].iter().for_each(|set| {
[INFO] [stdout] 620 | |             set.iter().for_each(|val| {
[INFO] [stdout] 621 | |                 test_sets(&ALL[3..7], &|v: f64| pow(*val, v), &|_| NAN);
[INFO] [stdout] 622 | |             })
[INFO] [stdout] 623 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "732dce9bf6aa560e98401765c82c4c119aca85617be70bc83402f30412657c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732dce9bf6aa560e98401765c82c4c119aca85617be70bc83402f30412657c6c", kill_on_drop: false }`
[INFO] [stdout] 732dce9bf6aa560e98401765c82c4c119aca85617be70bc83402f30412657c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c61cd3839cc7a3c424a0001177749994ae13fc98d582ab9d912f4948fa333b64
[INFO] running `Command { std: "docker" "start" "-a" "c61cd3839cc7a3c424a0001177749994ae13fc98d582ab9d912f4948fa333b64", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/math/pow.rs:607:9
[INFO] [stderr]     |
[INFO] [stderr] 607 | /         &[POS_ZERO, NEG_ZERO, POS_ONE, NEG_ONE, POS_EVENS, NEG_EVENS]
[INFO] [stderr] 608 | |             .iter()
[INFO] [stderr] 609 | |             .for_each(|int_set| {
[INFO] [stderr] 610 | |                 int_set.iter().for_each(|int| {
[INFO] [stderr] ...   |
[INFO] [stderr] 614 | |                 })
[INFO] [stderr] 615 | |             });
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/math/pow.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 | /         &NEG[1..(NEG.len() - 1)].iter().for_each(|set| {
[INFO] [stderr] 620 | |             set.iter().for_each(|val| {
[INFO] [stderr] 621 | |                 test_sets(&ALL[3..7], &|v: f64| pow(*val, v), &|_| NAN);
[INFO] [stderr] 622 | |             })
[INFO] [stderr] 623 | |         });
[INFO] [stderr]     | |__________^
[INFO] [stderr] 
[INFO] [stderr] warning: `libm` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libm-40a6f78d2b2a46e1)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test math::atan2::sanity_check ... ok
[INFO] [stdout] test math::atan::tests::infinity ... ok
[INFO] [stdout] test math::atan::tests::minus_infinity ... ok
[INFO] [stdout] test math::atan::tests::nan ... ok
[INFO] [stdout] test math::atan::tests::sanity_check ... ok
[INFO] [stdout] test math::atan::tests::zero ... ok
[INFO] [stdout] test math::ceil::tests::sanity_check ... ok
[INFO] [stdout] test math::ceil::tests::spec_tests ... ok
[INFO] [stdout] test math::ceilf::tests::sanity_check ... ok
[INFO] [stdout] test math::ceilf::tests::spec_tests ... ok
[INFO] [stdout] test math::exp2::i0_wrap_test ... ok
[INFO] [stdout] test math::expm1::tests::sanity_check ... ok
[INFO] [stdout] test math::fabs::tests::sanity_check ... ok
[INFO] [stdout] test math::fabs::tests::spec_tests ... ok
[INFO] [stdout] test math::fabsf::tests::sanity_check ... ok
[INFO] [stdout] test math::fabsf::tests::spec_tests ... ok
[INFO] [stdout] test math::floor::tests::sanity_check ... ok
[INFO] [stdout] test math::floor::tests::spec_tests ... ok
[INFO] [stdout] test math::floorf::tests::sanity_check ... ok
[INFO] [stdout] test math::floorf::tests::spec_tests ... ok
[INFO] [stdout] test math::fma::tests::fma_segfault ... ok
[INFO] [stdout] test math::j1f::tests::test_j1f_2488 ... ok
[INFO] [stdout] test math::j1f::tests::test_y1f_2002 ... ok
[INFO] [stdout] test math::pow::tests::infinity_as_base ... ok
[INFO] [stdout] test math::pow::tests::infinity_as_exponent ... ok
[INFO] [stdout] test math::pow::tests::nan_inputs ... ok
[INFO] [stdout] test math::pow::tests::normal_cases ... ok
[INFO] [stdout] test math::pow::tests::one_as_base ... ok
[INFO] [stdout] test math::pow::tests::zero_as_base ... ok
[INFO] [stdout] test math::pow::tests::zero_as_exponent ... ok
[INFO] [stdout] test math::rem_pio2::tests::test_near_pi ... ok
[INFO] [stdout] test math::pow::tests::special_cases ... ok
[INFO] [stdout] test math::rem_pio2::tests::test_overflow_4747b9 ... ok
[INFO] [stdout] test math::rem_pio2::tests::test_overflow_b9b847 ... ok
[INFO] [stdout] test math::remquo::tests::test_q_overflow ... ok
[INFO] [stdout] test math::round::tests::negative_zero ... ok
[INFO] [stdout] test math::roundf::tests::negative_zero ... ok
[INFO] [stdout] test math::sin::test_near_pi ... ok
[INFO] [stdout] test math::sincosf::tests::rotational_symmetry ... ok
[INFO] [stdout] test math::sincosf::tests::with_pi ... ok
[INFO] [stdout] test math::sqrt::tests::sanity_check ... ok
[INFO] [stdout] test math::sqrt::tests::spec_tests ... ok
[INFO] [stdout] test math::sqrtf::tests::sanity_check ... ok
[INFO] [stdout] test math::sqrtf::tests::spec_tests ... ok
[INFO] [stdout] test math::trunc::tests::sanity_check ... ok
[INFO] [stdout] test math::truncf::tests::sanity_check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c61cd3839cc7a3c424a0001177749994ae13fc98d582ab9d912f4948fa333b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61cd3839cc7a3c424a0001177749994ae13fc98d582ab9d912f4948fa333b64", kill_on_drop: false }`
[INFO] [stdout] c61cd3839cc7a3c424a0001177749994ae13fc98d582ab9d912f4948fa333b64
