[INFO] fetching crate nucoff 0.0.0...
[INFO] building nucoff-0.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate nucoff 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nucoff 0.0.0
[INFO] finished tweaking crates.io crate nucoff 0.0.0
[INFO] tweaked toml for crates.io crate nucoff 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nucoff 0.0.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b6da0b8b8011c201f2bddcc7d195c63687e7ba51f6fb1f25f41860f2d77ccba
[INFO] running `Command { std: "docker" "start" "-a" "3b6da0b8b8011c201f2bddcc7d195c63687e7ba51f6fb1f25f41860f2d77ccba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6da0b8b8011c201f2bddcc7d195c63687e7ba51f6fb1f25f41860f2d77ccba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6da0b8b8011c201f2bddcc7d195c63687e7ba51f6fb1f25f41860f2d77ccba", kill_on_drop: false }`
[INFO] [stdout] 3b6da0b8b8011c201f2bddcc7d195c63687e7ba51f6fb1f25f41860f2d77ccba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc72099f547babc6b7976921c138b12e6b847275f3c5a2083b6950fe640b7807
[INFO] running `Command { std: "docker" "start" "-a" "fc72099f547babc6b7976921c138b12e6b847275f3c5a2083b6950fe640b7807", kill_on_drop: false }`
[INFO] [stderr]    Compiling nucoff v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "fc72099f547babc6b7976921c138b12e6b847275f3c5a2083b6950fe640b7807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc72099f547babc6b7976921c138b12e6b847275f3c5a2083b6950fe640b7807", kill_on_drop: false }`
[INFO] [stdout] fc72099f547babc6b7976921c138b12e6b847275f3c5a2083b6950fe640b7807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a08f875a701e6d3a3456c1b0e86fe53e2e35eee7d83e02ea080ecefd940e88e1
[INFO] running `Command { std: "docker" "start" "-a" "a08f875a701e6d3a3456c1b0e86fe53e2e35eee7d83e02ea080ecefd940e88e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling nucoff v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "a08f875a701e6d3a3456c1b0e86fe53e2e35eee7d83e02ea080ecefd940e88e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08f875a701e6d3a3456c1b0e86fe53e2e35eee7d83e02ea080ecefd940e88e1", kill_on_drop: false }`
[INFO] [stdout] a08f875a701e6d3a3456c1b0e86fe53e2e35eee7d83e02ea080ecefd940e88e1