[INFO] fetching crate mpmc 0.1.6...
[INFO] building mpmc-0.1.6 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate mpmc 0.1.6 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate mpmc 0.1.6 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpmc 0.1.6
[INFO] finished tweaking crates.io crate mpmc 0.1.6
[INFO] tweaked toml for crates.io crate mpmc 0.1.6 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0a9840a61adadb3c9af0479966779eb638c4f0661386b8c8d190fd05130df24
[INFO] running `Command { std: "docker" "start" "-a" "d0a9840a61adadb3c9af0479966779eb638c4f0661386b8c8d190fd05130df24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0a9840a61adadb3c9af0479966779eb638c4f0661386b8c8d190fd05130df24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a9840a61adadb3c9af0479966779eb638c4f0661386b8c8d190fd05130df24", kill_on_drop: false }`
[INFO] [stdout] d0a9840a61adadb3c9af0479966779eb638c4f0661386b8c8d190fd05130df24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7883cc76d39f5dc9b86d2b06880cad9a5fc2104713f859799fb86cd809130782
[INFO] running `Command { std: "docker" "start" "-a" "7883cc76d39f5dc9b86d2b06880cad9a5fc2104713f859799fb86cd809130782", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpmc v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "7883cc76d39f5dc9b86d2b06880cad9a5fc2104713f859799fb86cd809130782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7883cc76d39f5dc9b86d2b06880cad9a5fc2104713f859799fb86cd809130782", kill_on_drop: false }`
[INFO] [stdout] 7883cc76d39f5dc9b86d2b06880cad9a5fc2104713f859799fb86cd809130782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 991052c372056fbf5517d70eab5521c5138b6eaac947b897407010a819780005
[INFO] running `Command { std: "docker" "start" "-a" "991052c372056fbf5517d70eab5521c5138b6eaac947b897407010a819780005", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpmc v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: mpmc, (38176c4c9ec446ed, 3a150462da10c8ab), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mpmc, (e317f571a206e356, af0bbe7d49d4fee6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: mpmc, (e1c06c6fe3fa9f13, a1fe5867eb61038c), 32, 32
[INFO] [stderr] SG_CR_Eslkdjf: mpmc, (93311eb277d5d1ce, 32dce6a6103f7e8e), 32, 32
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "991052c372056fbf5517d70eab5521c5138b6eaac947b897407010a819780005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991052c372056fbf5517d70eab5521c5138b6eaac947b897407010a819780005", kill_on_drop: false }`
[INFO] [stdout] 991052c372056fbf5517d70eab5521c5138b6eaac947b897407010a819780005