[INFO] fetching crate concurrency-demo-benchmarks 0.0.8...
[INFO] checking concurrency-demo-benchmarks-0.0.8 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate concurrency-demo-benchmarks 0.0.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate concurrency-demo-benchmarks 0.0.8 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrency-demo-benchmarks 0.0.8
[INFO] finished tweaking crates.io crate concurrency-demo-benchmarks 0.0.8
[INFO] tweaked toml for crates.io crate concurrency-demo-benchmarks 0.0.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate concurrency-demo-benchmarks 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feec3ada48941de3f2d79f9e7bb11d3383f773c553c9085e2afae52de57d961c
[INFO] running `Command { std: "docker" "start" "-a" "feec3ada48941de3f2d79f9e7bb11d3383f773c553c9085e2afae52de57d961c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feec3ada48941de3f2d79f9e7bb11d3383f773c553c9085e2afae52de57d961c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feec3ada48941de3f2d79f9e7bb11d3383f773c553c9085e2afae52de57d961c", kill_on_drop: false }`
[INFO] [stdout] feec3ada48941de3f2d79f9e7bb11d3383f773c553c9085e2afae52de57d961c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fa7db5dfb5fafedea060e959732e3c920a41944f8f0fbdcc23a1dffb29b9032
[INFO] running `Command { std: "docker" "start" "-a" "0fa7db5dfb5fafedea060e959732e3c920a41944f8f0fbdcc23a1dffb29b9032", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]     Checking concurrency-demo-benchmarks v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.23s
[INFO] running `Command { std: "docker" "inspect" "0fa7db5dfb5fafedea060e959732e3c920a41944f8f0fbdcc23a1dffb29b9032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa7db5dfb5fafedea060e959732e3c920a41944f8f0fbdcc23a1dffb29b9032", kill_on_drop: false }`
[INFO] [stdout] 0fa7db5dfb5fafedea060e959732e3c920a41944f8f0fbdcc23a1dffb29b9032