[INFO] fetching crate os_utils 0.0.1...
[INFO] testing os_utils-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate os_utils 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate os_utils 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate os_utils 0.0.1
[INFO] finished tweaking crates.io crate os_utils 0.0.1
[INFO] tweaked toml for crates.io crate os_utils 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47059048d06861b9f83dc5f947f3aa838964863ed613af5b49295bf6b80d1abe
[INFO] running `Command { std: "docker" "start" "-a" "47059048d06861b9f83dc5f947f3aa838964863ed613af5b49295bf6b80d1abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47059048d06861b9f83dc5f947f3aa838964863ed613af5b49295bf6b80d1abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47059048d06861b9f83dc5f947f3aa838964863ed613af5b49295bf6b80d1abe", kill_on_drop: false }`
[INFO] [stdout] 47059048d06861b9f83dc5f947f3aa838964863ed613af5b49295bf6b80d1abe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5963bfd97d6efba13a041fdae78e575353b183459bee2516eedb0fc25fe1be1
[INFO] running `Command { std: "docker" "start" "-a" "c5963bfd97d6efba13a041fdae78e575353b183459bee2516eedb0fc25fe1be1", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_utils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c5963bfd97d6efba13a041fdae78e575353b183459bee2516eedb0fc25fe1be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5963bfd97d6efba13a041fdae78e575353b183459bee2516eedb0fc25fe1be1", kill_on_drop: false }`
[INFO] [stdout] c5963bfd97d6efba13a041fdae78e575353b183459bee2516eedb0fc25fe1be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b18cbdda8122d7d7fbb05bc570923fa0167f030cc8ac789b5f69e48f7ef3cbf
[INFO] running `Command { std: "docker" "start" "-a" "8b18cbdda8122d7d7fbb05bc570923fa0167f030cc8ac789b5f69e48f7ef3cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_utils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/info/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let info = OsInfo::get();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "8b18cbdda8122d7d7fbb05bc570923fa0167f030cc8ac789b5f69e48f7ef3cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b18cbdda8122d7d7fbb05bc570923fa0167f030cc8ac789b5f69e48f7ef3cbf", kill_on_drop: false }`
[INFO] [stdout] 8b18cbdda8122d7d7fbb05bc570923fa0167f030cc8ac789b5f69e48f7ef3cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0ca93f539a692f5362ed207191f58960aa7220282c74e711641e736c5d6e065
[INFO] running `Command { std: "docker" "start" "-a" "c0ca93f539a692f5362ed207191f58960aa7220282c74e711641e736c5d6e065", kill_on_drop: false }`
[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: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `os_utils` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/os_utils-ab2802853c068a38)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test version::tests::cmp ... ok
[INFO] [stderr]    Doc-tests os_utils
[INFO] [stdout] test info::os::linux::ubuntu::tests::cmp ... ok
[INFO] [stdout] test version::tests::parse_success ... ok
[INFO] [stdout] test version::tests::parse_failure ... ok
[INFO] [stdout] test info::tests::get_os_info ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0ca93f539a692f5362ed207191f58960aa7220282c74e711641e736c5d6e065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ca93f539a692f5362ed207191f58960aa7220282c74e711641e736c5d6e065", kill_on_drop: false }`
[INFO] [stdout] c0ca93f539a692f5362ed207191f58960aa7220282c74e711641e736c5d6e065