[INFO] fetching crate grunt 999999999.999999999.999999999...
[INFO] testing grunt-999999999.999999999.999999999 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grunt 999999999.999999999.999999999 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate grunt 999999999.999999999.999999999 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 grunt 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate grunt 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate grunt 999999999.999999999.999999999 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate grunt 999999999.999999999.999999999 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] 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] [stdout] aad6eb4fbc7099142568e65a34b174af8f92c5ab037a605548e767fb36db721b
[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" "aad6eb4fbc7099142568e65a34b174af8f92c5ab037a605548e767fb36db721b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aad6eb4fbc7099142568e65a34b174af8f92c5ab037a605548e767fb36db721b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad6eb4fbc7099142568e65a34b174af8f92c5ab037a605548e767fb36db721b", kill_on_drop: false }`
[INFO] [stdout] aad6eb4fbc7099142568e65a34b174af8f92c5ab037a605548e767fb36db721b
[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] [stdout] 6497220bd050c03be924531e20d34109a6eb7f3490c6e944e2dc70f080d4c533
[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" "6497220bd050c03be924531e20d34109a6eb7f3490c6e944e2dc70f080d4c533", kill_on_drop: false }`
[INFO] [stderr]    Compiling grunt v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "6497220bd050c03be924531e20d34109a6eb7f3490c6e944e2dc70f080d4c533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6497220bd050c03be924531e20d34109a6eb7f3490c6e944e2dc70f080d4c533", kill_on_drop: false }`
[INFO] [stdout] 6497220bd050c03be924531e20d34109a6eb7f3490c6e944e2dc70f080d4c533
[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] [stdout] a0a23fd24b64adbbe17f84d6346fa4c39f025eb4cb86404c154b96e2daa5432f
[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" "a0a23fd24b64adbbe17f84d6346fa4c39f025eb4cb86404c154b96e2daa5432f", kill_on_drop: false }`
[INFO] [stderr]    Compiling grunt v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "a0a23fd24b64adbbe17f84d6346fa4c39f025eb4cb86404c154b96e2daa5432f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a23fd24b64adbbe17f84d6346fa4c39f025eb4cb86404c154b96e2daa5432f", kill_on_drop: false }`
[INFO] [stdout] a0a23fd24b64adbbe17f84d6346fa4c39f025eb4cb86404c154b96e2daa5432f
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc96e32c31a8582e2004994cc7d63a3472177a756d1913228354b873ad619c35
[INFO] running `Command { std: "docker" "start" "-a" "bc96e32c31a8582e2004994cc7d63a3472177a756d1913228354b873ad619c35", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grunt-a7916f69391cf5e3)
[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" "bc96e32c31a8582e2004994cc7d63a3472177a756d1913228354b873ad619c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc96e32c31a8582e2004994cc7d63a3472177a756d1913228354b873ad619c35", kill_on_drop: false }`
[INFO] [stdout] bc96e32c31a8582e2004994cc7d63a3472177a756d1913228354b873ad619c35