[INFO] fetching crate simple-semaphore 0.2.0... [INFO] building simple-semaphore-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate simple-semaphore 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate simple-semaphore 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate simple-semaphore 0.2.0 [INFO] tweaked toml for crates.io crate simple-semaphore 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate simple-semaphore 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate simple-semaphore 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e11ac016c94a4b10f074554178ab41550be7eca79dbed61c3b8a0ad71330ec0 [INFO] running `Command { std: "docker" "start" "-a" "0e11ac016c94a4b10f074554178ab41550be7eca79dbed61c3b8a0ad71330ec0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e11ac016c94a4b10f074554178ab41550be7eca79dbed61c3b8a0ad71330ec0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e11ac016c94a4b10f074554178ab41550be7eca79dbed61c3b8a0ad71330ec0", kill_on_drop: false }` [INFO] [stdout] 0e11ac016c94a4b10f074554178ab41550be7eca79dbed61c3b8a0ad71330ec0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5074e7859a34def3928b326469cb4f08ba882c67c949218e87bc45e5d3df7cda [INFO] running `Command { std: "docker" "start" "-a" "5074e7859a34def3928b326469cb4f08ba882c67c949218e87bc45e5d3df7cda", kill_on_drop: false }` [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling simple-semaphore v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "5074e7859a34def3928b326469cb4f08ba882c67c949218e87bc45e5d3df7cda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5074e7859a34def3928b326469cb4f08ba882c67c949218e87bc45e5d3df7cda", kill_on_drop: false }` [INFO] [stdout] 5074e7859a34def3928b326469cb4f08ba882c67c949218e87bc45e5d3df7cda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40642a5e6720fb5e7e3f8011798b8aa0c1508b2acf9d3fe2da20b35839d8e29f [INFO] running `Command { std: "docker" "start" "-a" "40642a5e6720fb5e7e3f8011798b8aa0c1508b2acf9d3fe2da20b35839d8e29f", kill_on_drop: false }` [INFO] [stderr] Compiling simple-semaphore v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "40642a5e6720fb5e7e3f8011798b8aa0c1508b2acf9d3fe2da20b35839d8e29f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40642a5e6720fb5e7e3f8011798b8aa0c1508b2acf9d3fe2da20b35839d8e29f", kill_on_drop: false }` [INFO] [stdout] 40642a5e6720fb5e7e3f8011798b8aa0c1508b2acf9d3fe2da20b35839d8e29f