[INFO] cloning repository https://github.com/aurumcodex/UTFcrawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aurumcodex/UTFcrawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faurumcodex%2FUTFcrawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faurumcodex%2FUTFcrawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 639892311abe74e86569f1b9edaa1d224a2c2879
[INFO] checking aurumcodex/UTFcrawler against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faurumcodex%2FUTFcrawler" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aurumcodex/UTFcrawler on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aurumcodex/UTFcrawler
[INFO] finished tweaking git repo https://github.com/aurumcodex/UTFcrawler
[INFO] tweaked toml for git repo https://github.com/aurumcodex/UTFcrawler written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/aurumcodex/UTFcrawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88cdc6b4c9d67cf8e3f4ee3abc15c756c58ef5d477e766b860d8770b52005896
[INFO] running `Command { std: "docker" "start" "-a" "88cdc6b4c9d67cf8e3f4ee3abc15c756c58ef5d477e766b860d8770b52005896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88cdc6b4c9d67cf8e3f4ee3abc15c756c58ef5d477e766b860d8770b52005896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cdc6b4c9d67cf8e3f4ee3abc15c756c58ef5d477e766b860d8770b52005896", kill_on_drop: false }`
[INFO] [stdout] 88cdc6b4c9d67cf8e3f4ee3abc15c756c58ef5d477e766b860d8770b52005896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad0ba08c98099e58dde9d3df858b80d16b6bc30751a93b9b8209ab367e673cca
[INFO] running `Command { std: "docker" "start" "-a" "ad0ba08c98099e58dde9d3df858b80d16b6bc30751a93b9b8209ab367e673cca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking utf-crawler v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.59s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ad0ba08c98099e58dde9d3df858b80d16b6bc30751a93b9b8209ab367e673cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0ba08c98099e58dde9d3df858b80d16b6bc30751a93b9b8209ab367e673cca", kill_on_drop: false }`
[INFO] [stdout] ad0ba08c98099e58dde9d3df858b80d16b6bc30751a93b9b8209ab367e673cca