[INFO] fetching crate polyx_core 0.0.0...
[INFO] building polyx_core-0.0.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate polyx_core 0.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate polyx_core 0.0.0
[INFO] finished tweaking crates.io crate polyx_core 0.0.0
[INFO] tweaked toml for crates.io crate polyx_core 0.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polyx_core 0.0.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c79c93fb6665a2f4ad1b1d459c7e43cf1206a8839bc379239003fa9f1311c896
[INFO] running `Command { std: "docker" "start" "-a" "c79c93fb6665a2f4ad1b1d459c7e43cf1206a8839bc379239003fa9f1311c896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c79c93fb6665a2f4ad1b1d459c7e43cf1206a8839bc379239003fa9f1311c896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79c93fb6665a2f4ad1b1d459c7e43cf1206a8839bc379239003fa9f1311c896", kill_on_drop: false }`
[INFO] [stdout] c79c93fb6665a2f4ad1b1d459c7e43cf1206a8839bc379239003fa9f1311c896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938deb8658c5cab969cfda827ed5262134a14039916d20141fafa094fc14c8e3
[INFO] running `Command { std: "docker" "start" "-a" "938deb8658c5cab969cfda827ed5262134a14039916d20141fafa094fc14c8e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyx_core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "938deb8658c5cab969cfda827ed5262134a14039916d20141fafa094fc14c8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938deb8658c5cab969cfda827ed5262134a14039916d20141fafa094fc14c8e3", kill_on_drop: false }`
[INFO] [stdout] 938deb8658c5cab969cfda827ed5262134a14039916d20141fafa094fc14c8e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a8b5efd46aca2e9cff6ae00f487d5386dc8b67b8ce7af809f9a278ebaf46cb4
[INFO] running `Command { std: "docker" "start" "-a" "8a8b5efd46aca2e9cff6ae00f487d5386dc8b67b8ce7af809f9a278ebaf46cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyx_core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "8a8b5efd46aca2e9cff6ae00f487d5386dc8b67b8ce7af809f9a278ebaf46cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8b5efd46aca2e9cff6ae00f487d5386dc8b67b8ce7af809f9a278ebaf46cb4", kill_on_drop: false }`
[INFO] [stdout] 8a8b5efd46aca2e9cff6ae00f487d5386dc8b67b8ce7af809f9a278ebaf46cb4