[INFO] updating cached repository https://github.com/Vonr/rust_grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef117b0630b0cc97b33e3b2f4f98b53e37a433b2
[INFO] checking Vonr/rust_grep/ef117b0630b0cc97b33e3b2f4f98b53e37a433b2 against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVonr%2Frust_grep" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vonr/rust_grep on toolchain 9b06ec641f3d05c126a54ceadba42a64366f72b4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vonr/rust_grep
[INFO] finished tweaking git repo https://github.com/Vonr/rust_grep
[INFO] tweaked toml for git repo https://github.com/Vonr/rust_grep written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/Vonr/rust_grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 281473ade7ec47827d190ab1e2d7ad15086ed501e8960d75d8bc1805b1f9886e
[INFO] running `Command { std: "docker" "start" "-a" "281473ade7ec47827d190ab1e2d7ad15086ed501e8960d75d8bc1805b1f9886e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281473ade7ec47827d190ab1e2d7ad15086ed501e8960d75d8bc1805b1f9886e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281473ade7ec47827d190ab1e2d7ad15086ed501e8960d75d8bc1805b1f9886e", kill_on_drop: false }`
[INFO] [stdout] 281473ade7ec47827d190ab1e2d7ad15086ed501e8960d75d8bc1805b1f9886e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 530a5b15526e27ee9494e29bf3a3da9c238b4f9973d6305896171b6fb8d33312
[INFO] running `Command { std: "docker" "start" "-a" "530a5b15526e27ee9494e29bf3a3da9c238b4f9973d6305896171b6fb8d33312", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling memx v0.1.20
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking naive_opt v0.1.17
[INFO] [stderr]     Checking grepox v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.81s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "530a5b15526e27ee9494e29bf3a3da9c238b4f9973d6305896171b6fb8d33312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530a5b15526e27ee9494e29bf3a3da9c238b4f9973d6305896171b6fb8d33312", kill_on_drop: false }`
[INFO] [stdout] 530a5b15526e27ee9494e29bf3a3da9c238b4f9973d6305896171b6fb8d33312