[INFO] fetching crate fe-semantics 0.1.0...
[INFO] testing fe-semantics-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fe-semantics 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fe-semantics 0.1.0 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 fe-semantics 0.1.0
[INFO] finished tweaking crates.io crate fe-semantics 0.1.0
[INFO] tweaked toml for crates.io crate fe-semantics 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fe-semantics 0.1.0 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] 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] 1474b9d5a7ff6f54c75349ae8b21009434795158f2e860b1976d321aea3c824b
[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" "1474b9d5a7ff6f54c75349ae8b21009434795158f2e860b1976d321aea3c824b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1474b9d5a7ff6f54c75349ae8b21009434795158f2e860b1976d321aea3c824b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1474b9d5a7ff6f54c75349ae8b21009434795158f2e860b1976d321aea3c824b", kill_on_drop: false }`
[INFO] [stdout] 1474b9d5a7ff6f54c75349ae8b21009434795158f2e860b1976d321aea3c824b
[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] 09c91704bcd72b04ef33f7b3e1e0da47b554a090f5ce88172f22d02e7ab441fd
[INFO] running `Command { std: "docker" "start" "-a" "09c91704bcd72b04ef33f7b3e1e0da47b554a090f5ce88172f22d02e7ab441fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling fe-semantics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "09c91704bcd72b04ef33f7b3e1e0da47b554a090f5ce88172f22d02e7ab441fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c91704bcd72b04ef33f7b3e1e0da47b554a090f5ce88172f22d02e7ab441fd", kill_on_drop: false }`
[INFO] [stdout] 09c91704bcd72b04ef33f7b3e1e0da47b554a090f5ce88172f22d02e7ab441fd
[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] e69ae8c3c054a768cf98cd4df62078c8d62bc1f41af3ea89690709834a2ed9e7
[INFO] running `Command { std: "docker" "start" "-a" "e69ae8c3c054a768cf98cd4df62078c8d62bc1f41af3ea89690709834a2ed9e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling fe-semantics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e69ae8c3c054a768cf98cd4df62078c8d62bc1f41af3ea89690709834a2ed9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69ae8c3c054a768cf98cd4df62078c8d62bc1f41af3ea89690709834a2ed9e7", kill_on_drop: false }`
[INFO] [stdout] e69ae8c3c054a768cf98cd4df62078c8d62bc1f41af3ea89690709834a2ed9e7
[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] 15b1852aedccfc3d046c76280d6ba445f4677bc5d0b905389f80749fc3f71f38
[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" "15b1852aedccfc3d046c76280d6ba445f4677bc5d0b905389f80749fc3f71f38", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fe_semantics-577779702aaae3b9)
[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" "15b1852aedccfc3d046c76280d6ba445f4677bc5d0b905389f80749fc3f71f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b1852aedccfc3d046c76280d6ba445f4677bc5d0b905389f80749fc3f71f38", kill_on_drop: false }`
[INFO] [stdout] 15b1852aedccfc3d046c76280d6ba445f4677bc5d0b905389f80749fc3f71f38