[INFO] fetching crate persist-o-vec 0.3.1...
[INFO] checking persist-o-vec-0.3.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate persist-o-vec 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate persist-o-vec 0.3.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 207f1c0e9f284285b9447771272381a528ecae0513b69dfa242d346564987f64
[INFO] running `Command { std: "docker" "start" "-a" "207f1c0e9f284285b9447771272381a528ecae0513b69dfa242d346564987f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "207f1c0e9f284285b9447771272381a528ecae0513b69dfa242d346564987f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207f1c0e9f284285b9447771272381a528ecae0513b69dfa242d346564987f64", kill_on_drop: false }`
[INFO] [stdout] 207f1c0e9f284285b9447771272381a528ecae0513b69dfa242d346564987f64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4a7cb7694837cd012ccf32502e0c69f733881c87387abb63575550c063bc46
[INFO] running `Command { std: "docker" "start" "-a" "cf4a7cb7694837cd012ccf32502e0c69f733881c87387abb63575550c063bc46", 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cf4a7cb7694837cd012ccf32502e0c69f733881c87387abb63575550c063bc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4a7cb7694837cd012ccf32502e0c69f733881c87387abb63575550c063bc46", kill_on_drop: false }`
[INFO] [stdout] cf4a7cb7694837cd012ccf32502e0c69f733881c87387abb63575550c063bc46