[INFO] cloning repository https://github.com/dezzare/rust_chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dezzare/rust_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezzare%2Frust_chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezzare%2Frust_chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cb9b607473019035936569a8a6af85a7880b2af
[INFO] checking dezzare/rust_chat against master#ab37a83ae2c829b8597bdcda8244964ebc60b495 for pr-99943
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezzare%2Frust_chat" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dezzare/rust_chat on toolchain ab37a83ae2c829b8597bdcda8244964ebc60b495
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dezzare/rust_chat
[INFO] finished tweaking git repo https://github.com/dezzare/rust_chat
[INFO] tweaked toml for git repo https://github.com/dezzare/rust_chat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dezzare/rust_chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c302c9a34bac98cc8322ffbcde5d28c206778243556d78226a832d20f857bd
[INFO] running `Command { std: "docker" "start" "-a" "b7c302c9a34bac98cc8322ffbcde5d28c206778243556d78226a832d20f857bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c302c9a34bac98cc8322ffbcde5d28c206778243556d78226a832d20f857bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c302c9a34bac98cc8322ffbcde5d28c206778243556d78226a832d20f857bd", kill_on_drop: false }`
[INFO] [stdout] b7c302c9a34bac98cc8322ffbcde5d28c206778243556d78226a832d20f857bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7449172f52f606ef215d527aed36adcf2fd255a83c47429a5bd882bff0b4e820
[INFO] running `Command { std: "docker" "start" "-a" "7449172f52f606ef215d527aed36adcf2fd255a83c47429a5bd882bff0b4e820", 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" "7449172f52f606ef215d527aed36adcf2fd255a83c47429a5bd882bff0b4e820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7449172f52f606ef215d527aed36adcf2fd255a83c47429a5bd882bff0b4e820", kill_on_drop: false }`
[INFO] [stdout] 7449172f52f606ef215d527aed36adcf2fd255a83c47429a5bd882bff0b4e820