[INFO] fetching crate pcg-mwc 0.2.1...
[INFO] checking pcg-mwc-0.2.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate pcg-mwc 0.2.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate pcg-mwc 0.2.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcg-mwc 0.2.1
[INFO] finished tweaking crates.io crate pcg-mwc 0.2.1
[INFO] tweaked toml for crates.io crate pcg-mwc 0.2.1 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfe4d2b8a27caeadd008a4926bc377f683f3d883cc807620e6fd711448a412af
[INFO] running `Command { std: "docker" "start" "-a" "bfe4d2b8a27caeadd008a4926bc377f683f3d883cc807620e6fd711448a412af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe4d2b8a27caeadd008a4926bc377f683f3d883cc807620e6fd711448a412af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe4d2b8a27caeadd008a4926bc377f683f3d883cc807620e6fd711448a412af", kill_on_drop: false }`
[INFO] [stdout] bfe4d2b8a27caeadd008a4926bc377f683f3d883cc807620e6fd711448a412af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9e9280b8675fe067f98910b142058d8ae970f68e7d13636398314517d1341f
[INFO] running `Command { std: "docker" "start" "-a" "7c9e9280b8675fe067f98910b142058d8ae970f68e7d13636398314517d1341f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking pcg-mwc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "7c9e9280b8675fe067f98910b142058d8ae970f68e7d13636398314517d1341f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9e9280b8675fe067f98910b142058d8ae970f68e7d13636398314517d1341f", kill_on_drop: false }`
[INFO] [stdout] 7c9e9280b8675fe067f98910b142058d8ae970f68e7d13636398314517d1341f