[INFO] fetching crate grafeo-grammar 0.0.0...
[INFO] testing grafeo-grammar-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grafeo-grammar 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate grafeo-grammar 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 grafeo-grammar 0.0.0
[INFO] finished tweaking crates.io crate grafeo-grammar 0.0.0
[INFO] tweaked toml for crates.io crate grafeo-grammar 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ff9bacd029a2d33ae3f0897244f218afb649a5c895261a5c0b0d7ce2f0b02341
[INFO] running `Command { std: "docker" "start" "-a" "ff9bacd029a2d33ae3f0897244f218afb649a5c895261a5c0b0d7ce2f0b02341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9bacd029a2d33ae3f0897244f218afb649a5c895261a5c0b0d7ce2f0b02341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9bacd029a2d33ae3f0897244f218afb649a5c895261a5c0b0d7ce2f0b02341", kill_on_drop: false }`
[INFO] [stdout] ff9bacd029a2d33ae3f0897244f218afb649a5c895261a5c0b0d7ce2f0b02341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ca52020b4d425b8cd284e0a69a45646ee0a49ac5fead99d7abc5b0c8748e3241
[INFO] running `Command { std: "docker" "start" "-a" "ca52020b4d425b8cd284e0a69a45646ee0a49ac5fead99d7abc5b0c8748e3241", kill_on_drop: false }`
[INFO] [stderr]    Compiling grafeo-grammar v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ca52020b4d425b8cd284e0a69a45646ee0a49ac5fead99d7abc5b0c8748e3241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca52020b4d425b8cd284e0a69a45646ee0a49ac5fead99d7abc5b0c8748e3241", kill_on_drop: false }`
[INFO] [stdout] ca52020b4d425b8cd284e0a69a45646ee0a49ac5fead99d7abc5b0c8748e3241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2b7dfc608e0f3436e550cdb6bf6c5f813246609eb8d88a0cfb517415c59ab658
[INFO] running `Command { std: "docker" "start" "-a" "2b7dfc608e0f3436e550cdb6bf6c5f813246609eb8d88a0cfb517415c59ab658", kill_on_drop: false }`
[INFO] [stderr]    Compiling grafeo-grammar v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "2b7dfc608e0f3436e550cdb6bf6c5f813246609eb8d88a0cfb517415c59ab658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7dfc608e0f3436e550cdb6bf6c5f813246609eb8d88a0cfb517415c59ab658", kill_on_drop: false }`
[INFO] [stdout] 2b7dfc608e0f3436e550cdb6bf6c5f813246609eb8d88a0cfb517415c59ab658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2cb2e3bf8eca9883a90b9769d01e08348aa717afa94d0170f1a2bc4647943ea8
[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" "2cb2e3bf8eca9883a90b9769d01e08348aa717afa94d0170f1a2bc4647943ea8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grafeo_grammar-907f7228efa63d62)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests grafeo-grammar
[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" "2cb2e3bf8eca9883a90b9769d01e08348aa717afa94d0170f1a2bc4647943ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb2e3bf8eca9883a90b9769d01e08348aa717afa94d0170f1a2bc4647943ea8", kill_on_drop: false }`
[INFO] [stdout] 2cb2e3bf8eca9883a90b9769d01e08348aa717afa94d0170f1a2bc4647943ea8