[INFO] cloning repository https://github.com/ayes-web/boomer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayes-web/boomer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayes-web%2Fboomer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayes-web%2Fboomer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b249131b43daff5cd1671580cf4e23c53372e6f1
[INFO] checking ayes-web/boomer against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayes-web%2Fboomer" "/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/ayes-web/boomer on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayes-web/boomer
[INFO] finished tweaking git repo https://github.com/ayes-web/boomer
[INFO] tweaked toml for git repo https://github.com/ayes-web/boomer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ayes-web/boomer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-tungstenite v0.4.2
[INFO] [stderr]   Downloaded command_attr v0.3.0-rc.0
[INFO] [stderr]   Downloaded serenity v0.9.0-rc.0
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f275d742feb00050701f754696b4f6fecd4c71d9f29c3866c7606567c981a40
[INFO] running `Command { std: "docker" "start" "-a" "3f275d742feb00050701f754696b4f6fecd4c71d9f29c3866c7606567c981a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f275d742feb00050701f754696b4f6fecd4c71d9f29c3866c7606567c981a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f275d742feb00050701f754696b4f6fecd4c71d9f29c3866c7606567c981a40", kill_on_drop: false }`
[INFO] [stdout] 3f275d742feb00050701f754696b4f6fecd4c71d9f29c3866c7606567c981a40
[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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e5af9d5e7c818ef869b610b1e06011a7e1a6e4e324d0bb328ea565c31b6bc5
[INFO] running `Command { std: "docker" "start" "-a" "95e5af9d5e7c818ef869b610b1e06011a7e1a6e4e324d0bb328ea565c31b6bc5", 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" "95e5af9d5e7c818ef869b610b1e06011a7e1a6e4e324d0bb328ea565c31b6bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e5af9d5e7c818ef869b610b1e06011a7e1a6e4e324d0bb328ea565c31b6bc5", kill_on_drop: false }`
[INFO] [stdout] 95e5af9d5e7c818ef869b610b1e06011a7e1a6e4e324d0bb328ea565c31b6bc5