[INFO] fetching crate polished_allocators 0.2.1...
[INFO] building polished_allocators-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate polished_allocators 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate polished_allocators 0.2.1
[INFO] finished tweaking crates.io crate polished_allocators 0.2.1
[INFO] tweaked toml for crates.io crate polished_allocators 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polished_allocators 0.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polished_allocators 0.2.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce1e9a419b99b1b40b41d9fe93cd34b4278677f205cf8aba90f200302809394
[INFO] running `Command { std: "docker" "start" "-a" "8ce1e9a419b99b1b40b41d9fe93cd34b4278677f205cf8aba90f200302809394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce1e9a419b99b1b40b41d9fe93cd34b4278677f205cf8aba90f200302809394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce1e9a419b99b1b40b41d9fe93cd34b4278677f205cf8aba90f200302809394", kill_on_drop: false }`
[INFO] [stdout] 8ce1e9a419b99b1b40b41d9fe93cd34b4278677f205cf8aba90f200302809394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c55adc30dd411ac6e74e99955bdc06d91eb13b2187740c14e6b61ed2f7639a0
[INFO] running `Command { std: "docker" "start" "-a" "2c55adc30dd411ac6e74e99955bdc06d91eb13b2187740c14e6b61ed2f7639a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling x86_64 v0.15.2
[INFO] [stderr]    Compiling polished_allocators v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "2c55adc30dd411ac6e74e99955bdc06d91eb13b2187740c14e6b61ed2f7639a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c55adc30dd411ac6e74e99955bdc06d91eb13b2187740c14e6b61ed2f7639a0", kill_on_drop: false }`
[INFO] [stdout] 2c55adc30dd411ac6e74e99955bdc06d91eb13b2187740c14e6b61ed2f7639a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ff70737aec2cd70196a7265b4f1bb0a8c17b4d7d9a41da5b450eb2ce1ba11a3
[INFO] running `Command { std: "docker" "start" "-a" "9ff70737aec2cd70196a7265b4f1bb0a8c17b4d7d9a41da5b450eb2ce1ba11a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling polished_allocators v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "9ff70737aec2cd70196a7265b4f1bb0a8c17b4d7d9a41da5b450eb2ce1ba11a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff70737aec2cd70196a7265b4f1bb0a8c17b4d7d9a41da5b450eb2ce1ba11a3", kill_on_drop: false }`
[INFO] [stdout] 9ff70737aec2cd70196a7265b4f1bb0a8c17b4d7d9a41da5b450eb2ce1ba11a3