[INFO] fetching crate unzip_iter 0.8.0...
[INFO] building unzip_iter-0.8.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate unzip_iter 0.8.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate unzip_iter 0.8.0
[INFO] finished tweaking crates.io crate unzip_iter 0.8.0
[INFO] tweaked toml for crates.io crate unzip_iter 0.8.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unzip_iter 0.8.0 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 unzip_iter 0.8.0 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9686263bca60ab4ff8c122326cbac7bb007db6f9c79372acaf03cb68cc860e97
[INFO] running `Command { std: "docker" "start" "-a" "9686263bca60ab4ff8c122326cbac7bb007db6f9c79372acaf03cb68cc860e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9686263bca60ab4ff8c122326cbac7bb007db6f9c79372acaf03cb68cc860e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9686263bca60ab4ff8c122326cbac7bb007db6f9c79372acaf03cb68cc860e97", kill_on_drop: false }`
[INFO] [stdout] 9686263bca60ab4ff8c122326cbac7bb007db6f9c79372acaf03cb68cc860e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3d8c089c20610883db81b4e8639d7a6765941b8cbddbea19ad6429cf429c8b17
[INFO] running `Command { std: "docker" "start" "-a" "3d8c089c20610883db81b4e8639d7a6765941b8cbddbea19ad6429cf429c8b17", kill_on_drop: false }`
[INFO] [stderr]    Compiling unzip_iter v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "3d8c089c20610883db81b4e8639d7a6765941b8cbddbea19ad6429cf429c8b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8c089c20610883db81b4e8639d7a6765941b8cbddbea19ad6429cf429c8b17", kill_on_drop: false }`
[INFO] [stdout] 3d8c089c20610883db81b4e8639d7a6765941b8cbddbea19ad6429cf429c8b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fb7364b448b49278d9247db5a04cb687379bd387b58d2547f26cdb1c680f7ad2
[INFO] running `Command { std: "docker" "start" "-a" "fb7364b448b49278d9247db5a04cb687379bd387b58d2547f26cdb1c680f7ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unzip_iter v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "fb7364b448b49278d9247db5a04cb687379bd387b58d2547f26cdb1c680f7ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7364b448b49278d9247db5a04cb687379bd387b58d2547f26cdb1c680f7ad2", kill_on_drop: false }`
[INFO] [stdout] fb7364b448b49278d9247db5a04cb687379bd387b58d2547f26cdb1c680f7ad2