[INFO] cloning repository https://github.com/recursive-bloom/hex-string-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/recursive-bloom/hex-string-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fhex-string-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fhex-string-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a18dcb3e69dd132d0a9261f9bd8953559beea7ab
[INFO] building recursive-bloom/hex-string-converter against try#14accda7ba2c586835d15379a621955d9f047371 for pr-103610
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fhex-string-converter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/recursive-bloom/hex-string-converter on toolchain 14accda7ba2c586835d15379a621955d9f047371
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/recursive-bloom/hex-string-converter
[INFO] finished tweaking git repo https://github.com/recursive-bloom/hex-string-converter
[INFO] tweaked toml for git repo https://github.com/recursive-bloom/hex-string-converter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/recursive-bloom/hex-string-converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 152ffcb380d35d81d06f9f5954c0fe59f7e9bad00e57cb7871068197ba5b294a
[INFO] running `Command { std: "docker" "start" "-a" "152ffcb380d35d81d06f9f5954c0fe59f7e9bad00e57cb7871068197ba5b294a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "152ffcb380d35d81d06f9f5954c0fe59f7e9bad00e57cb7871068197ba5b294a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152ffcb380d35d81d06f9f5954c0fe59f7e9bad00e57cb7871068197ba5b294a", kill_on_drop: false }`
[INFO] [stdout] 152ffcb380d35d81d06f9f5954c0fe59f7e9bad00e57cb7871068197ba5b294a
[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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d449df22bfb2ceb3a8977c9544e104b8bfa898dd8aacfe5cd90e19dbfe03366a
[INFO] running `Command { std: "docker" "start" "-a" "d449df22bfb2ceb3a8977c9544e104b8bfa898dd8aacfe5cd90e19dbfe03366a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d449df22bfb2ceb3a8977c9544e104b8bfa898dd8aacfe5cd90e19dbfe03366a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d449df22bfb2ceb3a8977c9544e104b8bfa898dd8aacfe5cd90e19dbfe03366a", kill_on_drop: false }`
[INFO] [stdout] d449df22bfb2ceb3a8977c9544e104b8bfa898dd8aacfe5cd90e19dbfe03366a