[INFO] fetching crate yellow 0.0.0...
[INFO] testing yellow-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate yellow 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yellow 0.0.0 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 yellow 0.0.0
[INFO] finished tweaking crates.io crate yellow 0.0.0
[INFO] tweaked toml for crates.io crate yellow 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate yellow 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12e5d3ad56f53ce891aaf3d80d8abcdc3dabf2a69318c40ccd2e5f8a3a29528f
[INFO] running `Command { std: "docker" "start" "-a" "12e5d3ad56f53ce891aaf3d80d8abcdc3dabf2a69318c40ccd2e5f8a3a29528f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e5d3ad56f53ce891aaf3d80d8abcdc3dabf2a69318c40ccd2e5f8a3a29528f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e5d3ad56f53ce891aaf3d80d8abcdc3dabf2a69318c40ccd2e5f8a3a29528f", kill_on_drop: false }`
[INFO] [stdout] 12e5d3ad56f53ce891aaf3d80d8abcdc3dabf2a69318c40ccd2e5f8a3a29528f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a774d32a310f8a7190aed8020f4f3e466b74170efe081484e980d9410f2025f
[INFO] running `Command { std: "docker" "start" "-a" "7a774d32a310f8a7190aed8020f4f3e466b74170efe081484e980d9410f2025f", kill_on_drop: false }`
[INFO] [stderr]    Compiling yellow v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "7a774d32a310f8a7190aed8020f4f3e466b74170efe081484e980d9410f2025f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a774d32a310f8a7190aed8020f4f3e466b74170efe081484e980d9410f2025f", kill_on_drop: false }`
[INFO] [stdout] 7a774d32a310f8a7190aed8020f4f3e466b74170efe081484e980d9410f2025f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90c5ed24f1c96df01d502ee520b5be058cc415667ce80ba31c7bbe95bd5327e9
[INFO] running `Command { std: "docker" "start" "-a" "90c5ed24f1c96df01d502ee520b5be058cc415667ce80ba31c7bbe95bd5327e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling yellow v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "90c5ed24f1c96df01d502ee520b5be058cc415667ce80ba31c7bbe95bd5327e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c5ed24f1c96df01d502ee520b5be058cc415667ce80ba31c7bbe95bd5327e9", kill_on_drop: false }`
[INFO] [stdout] 90c5ed24f1c96df01d502ee520b5be058cc415667ce80ba31c7bbe95bd5327e9
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9effa4fdc69c4ca8050511ab256b50a5ce3d2e491b639c724ce389f997fe2b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9effa4fdc69c4ca8050511ab256b50a5ce3d2e491b639c724ce389f997fe2b0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yellow-f9e65e88efb69438)
[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" "e9effa4fdc69c4ca8050511ab256b50a5ce3d2e491b639c724ce389f997fe2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9effa4fdc69c4ca8050511ab256b50a5ce3d2e491b639c724ce389f997fe2b0", kill_on_drop: false }`
[INFO] [stdout] e9effa4fdc69c4ca8050511ab256b50a5ce3d2e491b639c724ce389f997fe2b0