[INFO] fetching crate rcobs 0.1.1...
[INFO] building rcobs-0.1.1 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate rcobs 0.1.1 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate rcobs 0.1.1 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 rcobs 0.1.1
[INFO] finished tweaking crates.io crate rcobs 0.1.1
[INFO] tweaked toml for crates.io crate rcobs 0.1.1 written to /workspace/builds/worker-89/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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] a9dc59a0cf0bf3693d3fcb6c593db5bc0de73b4b7ecee2477cf94eb0932f1246
[INFO] running `Command { std: "docker" "start" "-a" "a9dc59a0cf0bf3693d3fcb6c593db5bc0de73b4b7ecee2477cf94eb0932f1246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9dc59a0cf0bf3693d3fcb6c593db5bc0de73b4b7ecee2477cf94eb0932f1246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9dc59a0cf0bf3693d3fcb6c593db5bc0de73b4b7ecee2477cf94eb0932f1246", kill_on_drop: false }`
[INFO] [stdout] a9dc59a0cf0bf3693d3fcb6c593db5bc0de73b4b7ecee2477cf94eb0932f1246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 4507cf3623be96b9da6e5ec7dac76a7811302fd23285fd0902fe1ea9ad9fb76b
[INFO] running `Command { std: "docker" "start" "-a" "4507cf3623be96b9da6e5ec7dac76a7811302fd23285fd0902fe1ea9ad9fb76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcobs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4507cf3623be96b9da6e5ec7dac76a7811302fd23285fd0902fe1ea9ad9fb76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4507cf3623be96b9da6e5ec7dac76a7811302fd23285fd0902fe1ea9ad9fb76b", kill_on_drop: false }`
[INFO] [stdout] 4507cf3623be96b9da6e5ec7dac76a7811302fd23285fd0902fe1ea9ad9fb76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] b769053db10b1e7aab2747904057312857be97a2b66d2320aa2b0e7965a33999
[INFO] running `Command { std: "docker" "start" "-a" "b769053db10b1e7aab2747904057312857be97a2b66d2320aa2b0e7965a33999", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]    Compiling rcobs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: rcobs, (6d91f46d33778e9a, b98b2566c5052a72), 0, 0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "b769053db10b1e7aab2747904057312857be97a2b66d2320aa2b0e7965a33999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b769053db10b1e7aab2747904057312857be97a2b66d2320aa2b0e7965a33999", kill_on_drop: false }`
[INFO] [stdout] b769053db10b1e7aab2747904057312857be97a2b66d2320aa2b0e7965a33999