[INFO] fetching crate tuning_systems 0.2.0...
[INFO] building tuning_systems-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tuning_systems 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tuning_systems 0.2.0
[INFO] finished tweaking crates.io crate tuning_systems 0.2.0
[INFO] tweaked toml for crates.io crate tuning_systems 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tuning_systems 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] crate crates.io crate tuning_systems 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba5bc6e860db1d4470a7a89c2715a8927fd86aca94d319e782918a8799b94f09
[INFO] running `Command { std: "docker" "start" "-a" "ba5bc6e860db1d4470a7a89c2715a8927fd86aca94d319e782918a8799b94f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba5bc6e860db1d4470a7a89c2715a8927fd86aca94d319e782918a8799b94f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5bc6e860db1d4470a7a89c2715a8927fd86aca94d319e782918a8799b94f09", kill_on_drop: false }`
[INFO] [stdout] ba5bc6e860db1d4470a7a89c2715a8927fd86aca94d319e782918a8799b94f09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9fcd7fd0440bea8806f6a3e3869773f5f6425f7d2d3338e5b3379c54adda8850
[INFO] running `Command { std: "docker" "start" "-a" "9fcd7fd0440bea8806f6a3e3869773f5f6425f7d2d3338e5b3379c54adda8850", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuning_systems v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "9fcd7fd0440bea8806f6a3e3869773f5f6425f7d2d3338e5b3379c54adda8850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcd7fd0440bea8806f6a3e3869773f5f6425f7d2d3338e5b3379c54adda8850", kill_on_drop: false }`
[INFO] [stdout] 9fcd7fd0440bea8806f6a3e3869773f5f6425f7d2d3338e5b3379c54adda8850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0c07fbb0e1cc0030615c9309e8c0f39c5407ba4402e9d99affa8ea967b5264da
[INFO] running `Command { std: "docker" "start" "-a" "0c07fbb0e1cc0030615c9309e8c0f39c5407ba4402e9d99affa8ea967b5264da", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuning_systems v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "0c07fbb0e1cc0030615c9309e8c0f39c5407ba4402e9d99affa8ea967b5264da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c07fbb0e1cc0030615c9309e8c0f39c5407ba4402e9d99affa8ea967b5264da", kill_on_drop: false }`
[INFO] [stdout] 0c07fbb0e1cc0030615c9309e8c0f39c5407ba4402e9d99affa8ea967b5264da