[INFO] fetching crate ocs-learning-rust 0.1.4...
[INFO] checking ocs-learning-rust-0.1.4 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] extracting crate ocs-learning-rust 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ocs-learning-rust 0.1.4 on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ocs-learning-rust 0.1.4
[INFO] finished tweaking crates.io crate ocs-learning-rust 0.1.4
[INFO] tweaked toml for crates.io crate ocs-learning-rust 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ocs-learning-rust 0.1.4 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e8a091d3af027690a751975677ef1135b117330d9e279eb7c7df4f9a41c66d6
[INFO] running `Command { std: "docker" "start" "-a" "3e8a091d3af027690a751975677ef1135b117330d9e279eb7c7df4f9a41c66d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8a091d3af027690a751975677ef1135b117330d9e279eb7c7df4f9a41c66d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8a091d3af027690a751975677ef1135b117330d9e279eb7c7df4f9a41c66d6", kill_on_drop: false }`
[INFO] [stdout] 3e8a091d3af027690a751975677ef1135b117330d9e279eb7c7df4f9a41c66d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c81f39865319a712fb9b1b40be38d71a6d2893109ec6bb59c687ceddac6b1701
[INFO] running `Command { std: "docker" "start" "-a" "c81f39865319a712fb9b1b40be38d71a6d2893109ec6bb59c687ceddac6b1701", kill_on_drop: false }`
[INFO] [stderr]     Checking ocs-learning-rust v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "c81f39865319a712fb9b1b40be38d71a6d2893109ec6bb59c687ceddac6b1701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81f39865319a712fb9b1b40be38d71a6d2893109ec6bb59c687ceddac6b1701", kill_on_drop: false }`
[INFO] [stdout] c81f39865319a712fb9b1b40be38d71a6d2893109ec6bb59c687ceddac6b1701