[INFO] fetching crate persist-o-vec 0.3.1...
[INFO] checking persist-o-vec-0.3.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate persist-o-vec 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate persist-o-vec 0.3.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persist-o-vec 0.3.1
[INFO] finished tweaking crates.io crate persist-o-vec 0.3.1
[INFO] tweaked toml for crates.io crate persist-o-vec 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a64760a607a506d406207fc81eb59ba1fc0fb723dfb491a80b0aa7a0a6bef4a8
[INFO] running `Command { std: "docker" "start" "-a" "a64760a607a506d406207fc81eb59ba1fc0fb723dfb491a80b0aa7a0a6bef4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64760a607a506d406207fc81eb59ba1fc0fb723dfb491a80b0aa7a0a6bef4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64760a607a506d406207fc81eb59ba1fc0fb723dfb491a80b0aa7a0a6bef4a8", kill_on_drop: false }`
[INFO] [stdout] a64760a607a506d406207fc81eb59ba1fc0fb723dfb491a80b0aa7a0a6bef4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe564c61c1b31da2378a40bd79b1a3f48cc8bdaae92b29ef798e7d3a23e0023f
[INFO] running `Command { std: "docker" "start" "-a" "fe564c61c1b31da2378a40bd79b1a3f48cc8bdaae92b29ef798e7d3a23e0023f", kill_on_drop: false }`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking persist-o-vec v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read benches/bench.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `persist-o-vec`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fe564c61c1b31da2378a40bd79b1a3f48cc8bdaae92b29ef798e7d3a23e0023f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe564c61c1b31da2378a40bd79b1a3f48cc8bdaae92b29ef798e7d3a23e0023f", kill_on_drop: false }`
[INFO] [stdout] fe564c61c1b31da2378a40bd79b1a3f48cc8bdaae92b29ef798e7d3a23e0023f