[INFO] fetching crate rcc-trait-chain 0.1.0...
[INFO] building rcc-trait-chain-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rcc-trait-chain 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rcc-trait-chain 0.1.0
[INFO] finished tweaking crates.io crate rcc-trait-chain 0.1.0
[INFO] tweaked toml for crates.io crate rcc-trait-chain 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcc-trait-chain 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 4773bb8f6fd978cc8465b6d2070ba486efb7a7254c8c11f619b6a86e6fd39475
[INFO] running `Command { std: "docker" "start" "-a" "4773bb8f6fd978cc8465b6d2070ba486efb7a7254c8c11f619b6a86e6fd39475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4773bb8f6fd978cc8465b6d2070ba486efb7a7254c8c11f619b6a86e6fd39475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4773bb8f6fd978cc8465b6d2070ba486efb7a7254c8c11f619b6a86e6fd39475", kill_on_drop: false }`
[INFO] [stdout] 4773bb8f6fd978cc8465b6d2070ba486efb7a7254c8c11f619b6a86e6fd39475
[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] f99e4e501480b514c9b657c374cfe357c24c48d7c0efc3d8aa147c2e421eadec
[INFO] running `Command { std: "docker" "start" "-a" "f99e4e501480b514c9b657c374cfe357c24c48d7c0efc3d8aa147c2e421eadec", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcc-trait-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "f99e4e501480b514c9b657c374cfe357c24c48d7c0efc3d8aa147c2e421eadec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99e4e501480b514c9b657c374cfe357c24c48d7c0efc3d8aa147c2e421eadec", kill_on_drop: false }`
[INFO] [stdout] f99e4e501480b514c9b657c374cfe357c24c48d7c0efc3d8aa147c2e421eadec
[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] f0f8d0f55db822679b46271cf393cdab0d7f7936b5382ff7613f4ed2f350a593
[INFO] running `Command { std: "docker" "start" "-a" "f0f8d0f55db822679b46271cf393cdab0d7f7936b5382ff7613f4ed2f350a593", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcc-trait-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "f0f8d0f55db822679b46271cf393cdab0d7f7936b5382ff7613f4ed2f350a593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f8d0f55db822679b46271cf393cdab0d7f7936b5382ff7613f4ed2f350a593", kill_on_drop: false }`
[INFO] [stdout] f0f8d0f55db822679b46271cf393cdab0d7f7936b5382ff7613f4ed2f350a593