[INFO] crate libm 0.1.4 is already in cache
[INFO] extracting crate libm 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/libm/0.1.4
[INFO] extracting crate libm 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libm/0.1.4
[INFO] validating manifest of libm-0.1.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libm-0.1.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libm-0.1.4
[INFO] finished frobbing libm-0.1.4
[INFO] frobbed toml for libm-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libm/0.1.4/Cargo.toml
[INFO] started frobbing libm-0.1.4
[INFO] finished frobbing libm-0.1.4
[INFO] frobbed toml for libm-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libm/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing libm-0.1.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/libm/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3bbefe0b63dfd299a5807af59b7dd09fb1c1883c40213bacfffe4f742ddfa0be
[INFO] running `"docker" "start" "-a" "3bbefe0b63dfd299a5807af59b7dd09fb1c1883c40213bacfffe4f742ddfa0be"`
[INFO] [stderr]    Compiling libm v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "3bbefe0b63dfd299a5807af59b7dd09fb1c1883c40213bacfffe4f742ddfa0be"`
[INFO] running `"docker" "rm" "-f" "3bbefe0b63dfd299a5807af59b7dd09fb1c1883c40213bacfffe4f742ddfa0be"`
[INFO] [stdout] 3bbefe0b63dfd299a5807af59b7dd09fb1c1883c40213bacfffe4f742ddfa0be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/libm/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3f125ffe1ab5da8627031ea96cf9bc74422641d5e228cd97d30dbdb7c362c996
[INFO] running `"docker" "start" "-a" "3f125ffe1ab5da8627031ea96cf9bc74422641d5e228cd97d30dbdb7c362c996"`
[INFO] [stderr]    Compiling libm v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/math/pow.rs:482:46
[INFO] [stderr]     |
[INFO] [stderr] 482 |     fn test_sets(sets: &[&[f64]], computed: &Fn(f64) -> f64, expected: &Fn(f64) -> f64) {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:12:9
[INFO] [stderr]     |
[INFO] [stderr] 12  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/math/pow.rs:482:73
[INFO] [stderr]     |
[INFO] [stderr] 482 |     fn test_sets(sets: &[&[f64]], computed: &Fn(f64) -> f64, expected: &Fn(f64) -> f64) {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "3f125ffe1ab5da8627031ea96cf9bc74422641d5e228cd97d30dbdb7c362c996"`
[INFO] running `"docker" "rm" "-f" "3f125ffe1ab5da8627031ea96cf9bc74422641d5e228cd97d30dbdb7c362c996"`
[INFO] [stdout] 3f125ffe1ab5da8627031ea96cf9bc74422641d5e228cd97d30dbdb7c362c996
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/libm/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e76826357e4065ae4d3e89ac99445b26a3a9ac3a4161c56ddf23e03e1571a2fc
[INFO] running `"docker" "start" "-a" "e76826357e4065ae4d3e89ac99445b26a3a9ac3a4161c56ddf23e03e1571a2fc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libm-820fec605da270b3
[INFO] [stdout] 
[INFO] [stdout] running 22 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::expm1::tests::sanity_check ... ok
[INFO] [stdout] test math::ceil::tests::sanity_check ... ok
[INFO] [stdout] test math::atan::tests::zero ... ok
[INFO] [stdout] test math::atan::tests::sanity_check ... ok
[INFO] [stdout] test math::exp2::i0_wrap_test ... 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::infinity_as_exponent ... ok
[INFO] [stdout] test math::pow::tests::infinity_as_base ... ok
[INFO] [stdout] test math::pow::tests::special_cases ... ok
[INFO] [stdout] test math::pow::tests::zero_as_exponent ... ok
[INFO] [stdout] test math::rem_pio2::test_near_pi ... ok
[INFO] [stdout] test math::pow::tests::zero_as_base ... ok
[INFO] [stdout] test math::truncf::tests::sanity_check ... ok
[INFO] [stdout] test math::floorf::tests::no_overflow ... ok
[INFO] [stdout] test math::sin::test_near_pi ... ok
[INFO] [stderr]    Doc-tests libm
[INFO] [stdout] test math::trunc::tests::sanity_check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e76826357e4065ae4d3e89ac99445b26a3a9ac3a4161c56ddf23e03e1571a2fc"`
[INFO] running `"docker" "rm" "-f" "e76826357e4065ae4d3e89ac99445b26a3a9ac3a4161c56ddf23e03e1571a2fc"`
[INFO] [stdout] e76826357e4065ae4d3e89ac99445b26a3a9ac3a4161c56ddf23e03e1571a2fc