[INFO] fetching crate cargo-toolchain 0.1.0...
[INFO] testing cargo-toolchain-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate cargo-toolchain 0.1.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate cargo-toolchain 0.1.0 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 cargo-toolchain 0.1.0
[INFO] finished tweaking crates.io crate cargo-toolchain 0.1.0
[INFO] tweaked toml for crates.io crate cargo-toolchain 0.1.0 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate crates.io crate cargo-toolchain 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 4c840887d685a5c96632ccdd6dfea57e2b2db3fc199a7aa5dff922660c7f7eb4
[INFO] running `Command { std: "docker" "start" "-a" "4c840887d685a5c96632ccdd6dfea57e2b2db3fc199a7aa5dff922660c7f7eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c840887d685a5c96632ccdd6dfea57e2b2db3fc199a7aa5dff922660c7f7eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c840887d685a5c96632ccdd6dfea57e2b2db3fc199a7aa5dff922660c7f7eb4", kill_on_drop: false }`
[INFO] [stdout] 4c840887d685a5c96632ccdd6dfea57e2b2db3fc199a7aa5dff922660c7f7eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] ec9464ac78f7e6414445e8f9bb624b145e683ed0b0a2cb75019e6d720c026431
[INFO] running `Command { std: "docker" "start" "-a" "ec9464ac78f7e6414445e8f9bb624b145e683ed0b0a2cb75019e6d720c026431", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling cargo-toolchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `Command { std: "docker" "inspect" "ec9464ac78f7e6414445e8f9bb624b145e683ed0b0a2cb75019e6d720c026431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9464ac78f7e6414445e8f9bb624b145e683ed0b0a2cb75019e6d720c026431", kill_on_drop: false }`
[INFO] [stdout] ec9464ac78f7e6414445e8f9bb624b145e683ed0b0a2cb75019e6d720c026431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] a6115c15f954370b2c52d0e90b5d48fe1d5c3a1a26f58e4ace01301aa0153af7
[INFO] running `Command { std: "docker" "start" "-a" "a6115c15f954370b2c52d0e90b5d48fe1d5c3a1a26f58e4ace01301aa0153af7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-toolchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "a6115c15f954370b2c52d0e90b5d48fe1d5c3a1a26f58e4ace01301aa0153af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6115c15f954370b2c52d0e90b5d48fe1d5c3a1a26f58e4ace01301aa0153af7", kill_on_drop: false }`
[INFO] [stdout] a6115c15f954370b2c52d0e90b5d48fe1d5c3a1a26f58e4ace01301aa0153af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 605ebcb047073a630b1138d7f175f47bc3a4fbc41a623cfea333cc4821560c11
[INFO] running `Command { std: "docker" "start" "-a" "605ebcb047073a630b1138d7f175f47bc3a4fbc41a623cfea333cc4821560c11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_toolchain-bc3436047b27462c)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_toolchain-8e80e687b6b1de4e)
[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] [stderr]    Doc-tests cargo-toolchain
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - truncate_toolchain (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "605ebcb047073a630b1138d7f175f47bc3a4fbc41a623cfea333cc4821560c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605ebcb047073a630b1138d7f175f47bc3a4fbc41a623cfea333cc4821560c11", kill_on_drop: false }`
[INFO] [stdout] 605ebcb047073a630b1138d7f175f47bc3a4fbc41a623cfea333cc4821560c11
