[INFO] crate os_utils 0.0.1 is already in cache
[INFO] extracting crate os_utils 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/os_utils/0.0.1
[INFO] extracting crate os_utils 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/os_utils/0.0.1
[INFO] validating manifest of os_utils-0.0.1 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 os_utils-0.0.1 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 os_utils-0.0.1
[INFO] finished frobbing os_utils-0.0.1
[INFO] frobbed toml for os_utils-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/os_utils/0.0.1/Cargo.toml
[INFO] started frobbing os_utils-0.0.1
[INFO] finished frobbing os_utils-0.0.1
[INFO] frobbed toml for os_utils-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/os_utils/0.0.1/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing os_utils-0.0.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/os_utils/0.0.1:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b40764a59868bca06f0c008063337e9d56419f529254921480afd1e17c260225
[INFO] running `"docker" "start" "-a" "b40764a59868bca06f0c008063337e9d56419f529254921480afd1e17c260225"`
[INFO] [stderr]    Compiling os_utils v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "b40764a59868bca06f0c008063337e9d56419f529254921480afd1e17c260225"`
[INFO] running `"docker" "rm" "-f" "b40764a59868bca06f0c008063337e9d56419f529254921480afd1e17c260225"`
[INFO] [stdout] b40764a59868bca06f0c008063337e9d56419f529254921480afd1e17c260225
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/os_utils/0.0.1:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a3700f3fb79b82bcba73f1133e85d7f60b46211bfe728015d78267bb70e974fb
[INFO] running `"docker" "start" "-a" "a3700f3fb79b82bcba73f1133e85d7f60b46211bfe728015d78267bb70e974fb"`
[INFO] [stderr]    Compiling os_utils v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]    --> src/info/mod.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let info = OsInfo::get();
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_info`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "a3700f3fb79b82bcba73f1133e85d7f60b46211bfe728015d78267bb70e974fb"`
[INFO] running `"docker" "rm" "-f" "a3700f3fb79b82bcba73f1133e85d7f60b46211bfe728015d78267bb70e974fb"`
[INFO] [stdout] a3700f3fb79b82bcba73f1133e85d7f60b46211bfe728015d78267bb70e974fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/os_utils/0.0.1:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d8f92e49a83509c29702522c7731ea99b1f508f11fdf74576788598c01257ab8
[INFO] running `"docker" "start" "-a" "d8f92e49a83509c29702522c7731ea99b1f508f11fdf74576788598c01257ab8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/os_utils-947f3859d42ba337
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test info::os::linux::ubuntu::tests::cmp ... ok
[INFO] [stdout] test info::tests::get_os_info ... ok
[INFO] [stdout] test version::tests::cmp ... ok
[INFO] [stdout] test version::tests::parse_failure ... ok
[INFO] [stdout] test version::tests::parse_success ... ok
[INFO] [stderr]    Doc-tests os_utils
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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" "d8f92e49a83509c29702522c7731ea99b1f508f11fdf74576788598c01257ab8"`
[INFO] running `"docker" "rm" "-f" "d8f92e49a83509c29702522c7731ea99b1f508f11fdf74576788598c01257ab8"`
[INFO] [stdout] d8f92e49a83509c29702522c7731ea99b1f508f11fdf74576788598c01257ab8