[INFO] fetching crate rustkernel 0.0.21...
[INFO] testing rustkernel-0.0.21 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rustkernel 0.0.21 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustkernel 0.0.21 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustkernel 0.0.21
[INFO] finished tweaking crates.io crate rustkernel 0.0.21
[INFO] tweaked toml for crates.io crate rustkernel 0.0.21 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rustkernel 0.0.21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b38618fedd537d04ea9b7f697dd4f49c8676b7fedc43091e0f55a1ec1d07d51
[INFO] running `Command { std: "docker" "start" "-a" "0b38618fedd537d04ea9b7f697dd4f49c8676b7fedc43091e0f55a1ec1d07d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b38618fedd537d04ea9b7f697dd4f49c8676b7fedc43091e0f55a1ec1d07d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b38618fedd537d04ea9b7f697dd4f49c8676b7fedc43091e0f55a1ec1d07d51", kill_on_drop: false }`
[INFO] [stdout] 0b38618fedd537d04ea9b7f697dd4f49c8676b7fedc43091e0f55a1ec1d07d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69ec80953b2ab02c40bb54ed14f0bb9e03b3749ee46f4e313854d4286a257cb3
[INFO] running `Command { std: "docker" "start" "-a" "69ec80953b2ab02c40bb54ed14f0bb9e03b3749ee46f4e313854d4286a257cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkernel v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "69ec80953b2ab02c40bb54ed14f0bb9e03b3749ee46f4e313854d4286a257cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ec80953b2ab02c40bb54ed14f0bb9e03b3749ee46f4e313854d4286a257cb3", kill_on_drop: false }`
[INFO] [stdout] 69ec80953b2ab02c40bb54ed14f0bb9e03b3749ee46f4e313854d4286a257cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4577a1e472630b4d5dd30baa97863a9f920e8252e5f2db7062d3bde07f5bd77
[INFO] running `Command { std: "docker" "start" "-a" "b4577a1e472630b4d5dd30baa97863a9f920e8252e5f2db7062d3bde07f5bd77", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkernel v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "b4577a1e472630b4d5dd30baa97863a9f920e8252e5f2db7062d3bde07f5bd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4577a1e472630b4d5dd30baa97863a9f920e8252e5f2db7062d3bde07f5bd77", kill_on_drop: false }`
[INFO] [stdout] b4577a1e472630b4d5dd30baa97863a9f920e8252e5f2db7062d3bde07f5bd77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac00019036f521d117470f88fa60c60919738d0398a900e27dc785b17b79f2cd
[INFO] running `Command { std: "docker" "start" "-a" "ac00019036f521d117470f88fa60c60919738d0398a900e27dc785b17b79f2cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustkernel-6fa957337300fef6)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustkernel-93defcefc61c26ab)
[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 rustkernel
[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] [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" "ac00019036f521d117470f88fa60c60919738d0398a900e27dc785b17b79f2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac00019036f521d117470f88fa60c60919738d0398a900e27dc785b17b79f2cd", kill_on_drop: false }`
[INFO] [stdout] ac00019036f521d117470f88fa60c60919738d0398a900e27dc785b17b79f2cd