[INFO] fetching crate aa-regex 0.3.1...
[INFO] checking aa-regex-0.3.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate aa-regex 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate aa-regex 0.3.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aa-regex 0.3.1
[INFO] finished tweaking crates.io crate aa-regex 0.3.1
[INFO] tweaked toml for crates.io crate aa-regex 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] c13b9edc2773769df6eed0bd5d9ef35b462779132db11e53cbba4687ad903e1e
[INFO] running `Command { std: "docker" "start" "-a" "c13b9edc2773769df6eed0bd5d9ef35b462779132db11e53cbba4687ad903e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13b9edc2773769df6eed0bd5d9ef35b462779132db11e53cbba4687ad903e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13b9edc2773769df6eed0bd5d9ef35b462779132db11e53cbba4687ad903e1e", kill_on_drop: false }`
[INFO] [stdout] c13b9edc2773769df6eed0bd5d9ef35b462779132db11e53cbba4687ad903e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbd5feb066c8d196eb5e1a8d2d959ff3a5ff09cdde211aef1ee3cba32393396c
[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" "bbd5feb066c8d196eb5e1a8d2d959ff3a5ff09cdde211aef1ee3cba32393396c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aa-regex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.05s
[INFO] running `Command { std: "docker" "inspect" "bbd5feb066c8d196eb5e1a8d2d959ff3a5ff09cdde211aef1ee3cba32393396c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd5feb066c8d196eb5e1a8d2d959ff3a5ff09cdde211aef1ee3cba32393396c", kill_on_drop: false }`
[INFO] [stdout] bbd5feb066c8d196eb5e1a8d2d959ff3a5ff09cdde211aef1ee3cba32393396c