[INFO] fetching crate nix-user-chroot 1.2.2...
[INFO] checking nix-user-chroot-1.2.2 against try#d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf for pr-100046
[INFO] extracting crate nix-user-chroot 1.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nix-user-chroot 1.2.2 on toolchain d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nix-user-chroot 1.2.2
[INFO] finished tweaking crates.io crate nix-user-chroot 1.2.2
[INFO] tweaked toml for crates.io crate nix-user-chroot 1.2.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nix-user-chroot 1.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690a0d3c2e11eddada37af6e69b3a2d5c4b9dcf6731a9ff6dc634d8dbdd5704b
[INFO] running `Command { std: "docker" "start" "-a" "690a0d3c2e11eddada37af6e69b3a2d5c4b9dcf6731a9ff6dc634d8dbdd5704b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690a0d3c2e11eddada37af6e69b3a2d5c4b9dcf6731a9ff6dc634d8dbdd5704b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690a0d3c2e11eddada37af6e69b3a2d5c4b9dcf6731a9ff6dc634d8dbdd5704b", kill_on_drop: false }`
[INFO] [stdout] 690a0d3c2e11eddada37af6e69b3a2d5c4b9dcf6731a9ff6dc634d8dbdd5704b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+d76952bc2a74b981479554f7e1e2c6f8a8c3e3bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4281cc090b4c597025ce77dd3b2b4c046cc271c962055bb3892d971df09125b8
[INFO] running `Command { std: "docker" "start" "-a" "4281cc090b4c597025ce77dd3b2b4c046cc271c962055bb3892d971df09125b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix-user-chroot v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "4281cc090b4c597025ce77dd3b2b4c046cc271c962055bb3892d971df09125b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4281cc090b4c597025ce77dd3b2b4c046cc271c962055bb3892d971df09125b8", kill_on_drop: false }`
[INFO] [stdout] 4281cc090b4c597025ce77dd3b2b4c046cc271c962055bb3892d971df09125b8