[INFO] fetching crate scursor 0.2.0...
[INFO] building scursor-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate scursor 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate scursor 0.2.0
[INFO] finished tweaking crates.io crate scursor 0.2.0
[INFO] tweaked toml for crates.io crate scursor 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scursor 0.2.0 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] 6c99e3dc78d6258b3c59e4424af50d3e35715f29609069e6809675bcea3aa597
[INFO] running `Command { std: "docker" "start" "-a" "6c99e3dc78d6258b3c59e4424af50d3e35715f29609069e6809675bcea3aa597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c99e3dc78d6258b3c59e4424af50d3e35715f29609069e6809675bcea3aa597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c99e3dc78d6258b3c59e4424af50d3e35715f29609069e6809675bcea3aa597", kill_on_drop: false }`
[INFO] [stdout] 6c99e3dc78d6258b3c59e4424af50d3e35715f29609069e6809675bcea3aa597
[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] 8a5777bab2d35e1989831f61781e93f3aae02a1adf4e485c5b8820e6d8cdc52e
[INFO] running `Command { std: "docker" "start" "-a" "8a5777bab2d35e1989831f61781e93f3aae02a1adf4e485c5b8820e6d8cdc52e", kill_on_drop: false }`
[INFO] [stderr]    Compiling scursor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8a5777bab2d35e1989831f61781e93f3aae02a1adf4e485c5b8820e6d8cdc52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5777bab2d35e1989831f61781e93f3aae02a1adf4e485c5b8820e6d8cdc52e", kill_on_drop: false }`
[INFO] [stdout] 8a5777bab2d35e1989831f61781e93f3aae02a1adf4e485c5b8820e6d8cdc52e
[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] 2fae0904a2f907aaf0e0c69e16934cc5d05d5987a995345a2d43fd84d5edad10
[INFO] running `Command { std: "docker" "start" "-a" "2fae0904a2f907aaf0e0c69e16934cc5d05d5987a995345a2d43fd84d5edad10", kill_on_drop: false }`
[INFO] [stderr]    Compiling scursor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2fae0904a2f907aaf0e0c69e16934cc5d05d5987a995345a2d43fd84d5edad10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fae0904a2f907aaf0e0c69e16934cc5d05d5987a995345a2d43fd84d5edad10", kill_on_drop: false }`
[INFO] [stdout] 2fae0904a2f907aaf0e0c69e16934cc5d05d5987a995345a2d43fd84d5edad10