[INFO] fetching crate rccp 0.2.1...
[INFO] building rccp-0.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rccp 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rccp 0.2.1
[INFO] finished tweaking crates.io crate rccp 0.2.1
[INFO] tweaked toml for crates.io crate rccp 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rccp 0.2.1 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 rccp 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e20859fddea2550e57d587a4c433c86c97558bf5cb0357230a38784b96b47144
[INFO] running `Command { std: "docker" "start" "-a" "e20859fddea2550e57d587a4c433c86c97558bf5cb0357230a38784b96b47144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20859fddea2550e57d587a4c433c86c97558bf5cb0357230a38784b96b47144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20859fddea2550e57d587a4c433c86c97558bf5cb0357230a38784b96b47144", kill_on_drop: false }`
[INFO] [stdout] e20859fddea2550e57d587a4c433c86c97558bf5cb0357230a38784b96b47144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 64b8afff821f1fbe0d4ece6a57c8a4e76217f2222558f7dcd408ff24abf0a1fe
[INFO] running `Command { std: "docker" "start" "-a" "64b8afff821f1fbe0d4ece6a57c8a4e76217f2222558f7dcd408ff24abf0a1fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rccp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "64b8afff821f1fbe0d4ece6a57c8a4e76217f2222558f7dcd408ff24abf0a1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b8afff821f1fbe0d4ece6a57c8a4e76217f2222558f7dcd408ff24abf0a1fe", kill_on_drop: false }`
[INFO] [stdout] 64b8afff821f1fbe0d4ece6a57c8a4e76217f2222558f7dcd408ff24abf0a1fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e5c5193e6a96e146a9afe3a717531b25ee4c46a6239cfd1a5d019fb919112dc5
[INFO] running `Command { std: "docker" "start" "-a" "e5c5193e6a96e146a9afe3a717531b25ee4c46a6239cfd1a5d019fb919112dc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rccp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "e5c5193e6a96e146a9afe3a717531b25ee4c46a6239cfd1a5d019fb919112dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c5193e6a96e146a9afe3a717531b25ee4c46a6239cfd1a5d019fb919112dc5", kill_on_drop: false }`
[INFO] [stdout] e5c5193e6a96e146a9afe3a717531b25ee4c46a6239cfd1a5d019fb919112dc5