[INFO] fetching crate nj-learn-rs 0.1.0...
[INFO] building nj-learn-rs-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate nj-learn-rs 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nj-learn-rs 0.1.0
[INFO] finished tweaking crates.io crate nj-learn-rs 0.1.0
[INFO] tweaked toml for crates.io crate nj-learn-rs 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nj-learn-rs 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a8d44faf9413158226f44f2d6117ddb27cd7ba50f5455092c3f6ffc5c7fd9ed2
[INFO] running `Command { std: "docker" "start" "-a" "a8d44faf9413158226f44f2d6117ddb27cd7ba50f5455092c3f6ffc5c7fd9ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d44faf9413158226f44f2d6117ddb27cd7ba50f5455092c3f6ffc5c7fd9ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d44faf9413158226f44f2d6117ddb27cd7ba50f5455092c3f6ffc5c7fd9ed2", kill_on_drop: false }`
[INFO] [stdout] a8d44faf9413158226f44f2d6117ddb27cd7ba50f5455092c3f6ffc5c7fd9ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d0800410b0c7f68e2466cb4736a522ce2a2eed2a2e7e3828615b74f4bd7456a3
[INFO] running `Command { std: "docker" "start" "-a" "d0800410b0c7f68e2466cb4736a522ce2a2eed2a2e7e3828615b74f4bd7456a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nj-learn-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "d0800410b0c7f68e2466cb4736a522ce2a2eed2a2e7e3828615b74f4bd7456a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0800410b0c7f68e2466cb4736a522ce2a2eed2a2e7e3828615b74f4bd7456a3", kill_on_drop: false }`
[INFO] [stdout] d0800410b0c7f68e2466cb4736a522ce2a2eed2a2e7e3828615b74f4bd7456a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1f877edac9569ce171bf245f08715fa07181a359204e1831715fe00bf9fe2f1d
[INFO] running `Command { std: "docker" "start" "-a" "1f877edac9569ce171bf245f08715fa07181a359204e1831715fe00bf9fe2f1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nj-learn-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "1f877edac9569ce171bf245f08715fa07181a359204e1831715fe00bf9fe2f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f877edac9569ce171bf245f08715fa07181a359204e1831715fe00bf9fe2f1d", kill_on_drop: false }`
[INFO] [stdout] 1f877edac9569ce171bf245f08715fa07181a359204e1831715fe00bf9fe2f1d