[INFO] fetching crate migrate-core 0.2.1...
[INFO] building migrate-core-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate migrate-core 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate migrate-core 0.2.1
[INFO] finished tweaking crates.io crate migrate-core 0.2.1
[INFO] tweaked toml for crates.io crate migrate-core 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate migrate-core 0.2.1 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] b6966c6428b3c2da06925b8501c8d42d9807d08ac4565c0890f4613a96b63cb7
[INFO] running `Command { std: "docker" "start" "-a" "b6966c6428b3c2da06925b8501c8d42d9807d08ac4565c0890f4613a96b63cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6966c6428b3c2da06925b8501c8d42d9807d08ac4565c0890f4613a96b63cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6966c6428b3c2da06925b8501c8d42d9807d08ac4565c0890f4613a96b63cb7", kill_on_drop: false }`
[INFO] [stdout] b6966c6428b3c2da06925b8501c8d42d9807d08ac4565c0890f4613a96b63cb7
[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] 0c22b16ce1c1a6477aebc11b3dd474d9a2e64b2999fb105dec68603452cc6eb8
[INFO] running `Command { std: "docker" "start" "-a" "0c22b16ce1c1a6477aebc11b3dd474d9a2e64b2999fb105dec68603452cc6eb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling migrate-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "0c22b16ce1c1a6477aebc11b3dd474d9a2e64b2999fb105dec68603452cc6eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c22b16ce1c1a6477aebc11b3dd474d9a2e64b2999fb105dec68603452cc6eb8", kill_on_drop: false }`
[INFO] [stdout] 0c22b16ce1c1a6477aebc11b3dd474d9a2e64b2999fb105dec68603452cc6eb8
[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] b20db8a97864a4acc7e0d44002f8bbd24fa03cc88c7dd955b74ef7a8988dbd8e
[INFO] running `Command { std: "docker" "start" "-a" "b20db8a97864a4acc7e0d44002f8bbd24fa03cc88c7dd955b74ef7a8988dbd8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling migrate-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b20db8a97864a4acc7e0d44002f8bbd24fa03cc88c7dd955b74ef7a8988dbd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20db8a97864a4acc7e0d44002f8bbd24fa03cc88c7dd955b74ef7a8988dbd8e", kill_on_drop: false }`
[INFO] [stdout] b20db8a97864a4acc7e0d44002f8bbd24fa03cc88c7dd955b74ef7a8988dbd8e