[INFO] fetching crate nyar-collatz 0.1.0...
[INFO] building nyar-collatz-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate nyar-collatz 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate nyar-collatz 0.1.0
[INFO] finished tweaking crates.io crate nyar-collatz 0.1.0
[INFO] tweaked toml for crates.io crate nyar-collatz 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nyar-collatz 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8350a7992f63b44a1a064aad05924edbe56267706c1fc64a42751cd1a818d8aa
[INFO] running `Command { std: "docker" "start" "-a" "8350a7992f63b44a1a064aad05924edbe56267706c1fc64a42751cd1a818d8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8350a7992f63b44a1a064aad05924edbe56267706c1fc64a42751cd1a818d8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8350a7992f63b44a1a064aad05924edbe56267706c1fc64a42751cd1a818d8aa", kill_on_drop: false }`
[INFO] [stdout] 8350a7992f63b44a1a064aad05924edbe56267706c1fc64a42751cd1a818d8aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 46f0e3c3cae900be544e925aaa0c8628bcd3448866c5982e6bb1bb03486d63b7
[INFO] running `Command { std: "docker" "start" "-a" "46f0e3c3cae900be544e925aaa0c8628bcd3448866c5982e6bb1bb03486d63b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling nyar-collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "46f0e3c3cae900be544e925aaa0c8628bcd3448866c5982e6bb1bb03486d63b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f0e3c3cae900be544e925aaa0c8628bcd3448866c5982e6bb1bb03486d63b7", kill_on_drop: false }`
[INFO] [stdout] 46f0e3c3cae900be544e925aaa0c8628bcd3448866c5982e6bb1bb03486d63b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 52b82bbe4c4c6c5c5197e4f4a0196e3aa976d9b3a64f2f6be2628a3e14b781a3
[INFO] running `Command { std: "docker" "start" "-a" "52b82bbe4c4c6c5c5197e4f4a0196e3aa976d9b3a64f2f6be2628a3e14b781a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nyar-collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "52b82bbe4c4c6c5c5197e4f4a0196e3aa976d9b3a64f2f6be2628a3e14b781a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b82bbe4c4c6c5c5197e4f4a0196e3aa976d9b3a64f2f6be2628a3e14b781a3", kill_on_drop: false }`
[INFO] [stdout] 52b82bbe4c4c6c5c5197e4f4a0196e3aa976d9b3a64f2f6be2628a3e14b781a3