[INFO] cloning repository https://github.com/pka/doctags
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pka/doctags" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpka%2Fdoctags", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpka%2Fdoctags'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d67ebef96090bd297155b91074d708738bf0a0c7
[INFO] checking pka/doctags against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpka%2Fdoctags" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pka/doctags on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pka/doctags
[INFO] finished tweaking git repo https://github.com/pka/doctags
[INFO] tweaked toml for git repo https://github.com/pka/doctags written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/pka/doctags already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "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 tantivy-query-grammar v0.12.0
[INFO] [stderr]   Downloaded open v1.4.0
[INFO] [stderr]   Downloaded proc-macro-error v1.0.2
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded owned-read v0.4.1
[INFO] [stderr]   Downloaded murmurhash32 v0.2.0
[INFO] [stderr]   Downloaded inotify v0.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded tantivy v0.12.0
[INFO] [stderr]   Downloaded census v0.4.0
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded fork v0.1.14
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded terminal_size v0.1.12
[INFO] [stderr]   Downloaded crossterm v0.15.0
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded rustyline v6.1.2
[INFO] [stderr]   Downloaded cc v1.0.53
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded levenshtein_automata v0.1.1
[INFO] [stderr]   Downloaded addr2line v0.12.0
[INFO] [stderr]   Downloaded atomicwrites v0.2.5
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.2
[INFO] [stderr]   Downloaded console v0.11.2
[INFO] [stderr]   Downloaded signal-hook v0.1.15
[INFO] [stderr]   Downloaded snap v1.0.0
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] [stderr]   Downloaded tantivy-fst v0.2.1
[INFO] [stderr]   Downloaded bitpacking v0.8.2
[INFO] [stderr]   Downloaded fst v0.3.5
[INFO] [stderr]   Downloaded combine v4.1.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.16
[INFO] [stderr]   Downloaded fail v0.3.0
[INFO] [stderr]   Downloaded pin-project v0.4.16
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded ignore v0.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c321272a4c54b7438bb4d629aa858aa9aef759e00ec1bb5a2432c6bdba15d3
[INFO] running `Command { std: "docker" "start" "-a" "64c321272a4c54b7438bb4d629aa858aa9aef759e00ec1bb5a2432c6bdba15d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c321272a4c54b7438bb4d629aa858aa9aef759e00ec1bb5a2432c6bdba15d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c321272a4c54b7438bb4d629aa858aa9aef759e00ec1bb5a2432c6bdba15d3", kill_on_drop: false }`
[INFO] [stdout] 64c321272a4c54b7438bb4d629aa858aa9aef759e00ec1bb5a2432c6bdba15d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7677aa8cfc4741aaa2abbc37aa7810ef255d6585219aaef7ff86c6c0fcb34f2
[INFO] running `Command { std: "docker" "start" "-a" "b7677aa8cfc4741aaa2abbc37aa7810ef255d6585219aaef7ff86c6c0fcb34f2", 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" "b7677aa8cfc4741aaa2abbc37aa7810ef255d6585219aaef7ff86c6c0fcb34f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7677aa8cfc4741aaa2abbc37aa7810ef255d6585219aaef7ff86c6c0fcb34f2", kill_on_drop: false }`
[INFO] [stdout] b7677aa8cfc4741aaa2abbc37aa7810ef255d6585219aaef7ff86c6c0fcb34f2