[INFO] fetching crate rlfsc 0.1.6...
[INFO] checking rlfsc-0.1.6 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate rlfsc 0.1.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rlfsc 0.1.6 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlfsc 0.1.6
[INFO] finished tweaking crates.io crate rlfsc 0.1.6
[INFO] tweaked toml for crates.io crate rlfsc 0.1.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rlfsc 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlimit v0.4.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ef3723544e3af7a9637775e59e956926dd7374f390112171c34d5275a1d704
[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" "69ef3723544e3af7a9637775e59e956926dd7374f390112171c34d5275a1d704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ef3723544e3af7a9637775e59e956926dd7374f390112171c34d5275a1d704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ef3723544e3af7a9637775e59e956926dd7374f390112171c34d5275a1d704", kill_on_drop: false }`
[INFO] [stdout] 69ef3723544e3af7a9637775e59e956926dd7374f390112171c34d5275a1d704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 549a50e99320de0df7b8fe42595a39526b0302ecc4d71debfeb67837a1502bf3
[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" "549a50e99320de0df7b8fe42595a39526b0302ecc4d71debfeb67837a1502bf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rlimit v0.4.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling structopt-derive v0.4.12
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking structopt v0.3.19
[INFO] [stderr]     Checking logos v0.11.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "549a50e99320de0df7b8fe42595a39526b0302ecc4d71debfeb67837a1502bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549a50e99320de0df7b8fe42595a39526b0302ecc4d71debfeb67837a1502bf3", kill_on_drop: false }`
[INFO] [stdout] 549a50e99320de0df7b8fe42595a39526b0302ecc4d71debfeb67837a1502bf3