[INFO] fetching crate ruth 0.0.1...
[INFO] building ruth-0.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ruth 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ruth 0.0.1
[INFO] finished tweaking crates.io crate ruth 0.0.1
[INFO] tweaked toml for crates.io crate ruth 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruth 0.0.1 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 ruth 0.0.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fd741fec12b86ec5746862b3b073e6ffae775f244410c3f5c895f0894e02dc37
[INFO] running `Command { std: "docker" "start" "-a" "fd741fec12b86ec5746862b3b073e6ffae775f244410c3f5c895f0894e02dc37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd741fec12b86ec5746862b3b073e6ffae775f244410c3f5c895f0894e02dc37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd741fec12b86ec5746862b3b073e6ffae775f244410c3f5c895f0894e02dc37", kill_on_drop: false }`
[INFO] [stdout] fd741fec12b86ec5746862b3b073e6ffae775f244410c3f5c895f0894e02dc37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a3f56f717a966157f85cc3a2f49d806c8a34f7537b4a79087e14cd36dc181b0a
[INFO] running `Command { std: "docker" "start" "-a" "a3f56f717a966157f85cc3a2f49d806c8a34f7537b4a79087e14cd36dc181b0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "a3f56f717a966157f85cc3a2f49d806c8a34f7537b4a79087e14cd36dc181b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f56f717a966157f85cc3a2f49d806c8a34f7537b4a79087e14cd36dc181b0a", kill_on_drop: false }`
[INFO] [stdout] a3f56f717a966157f85cc3a2f49d806c8a34f7537b4a79087e14cd36dc181b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e06d04c2c017030d9f0ed038f5c7e7ceca3dd0d2cfa0fb55d55c73cdd7e8e7b5
[INFO] running `Command { std: "docker" "start" "-a" "e06d04c2c017030d9f0ed038f5c7e7ceca3dd0d2cfa0fb55d55c73cdd7e8e7b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e06d04c2c017030d9f0ed038f5c7e7ceca3dd0d2cfa0fb55d55c73cdd7e8e7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06d04c2c017030d9f0ed038f5c7e7ceca3dd0d2cfa0fb55d55c73cdd7e8e7b5", kill_on_drop: false }`
[INFO] [stdout] e06d04c2c017030d9f0ed038f5c7e7ceca3dd0d2cfa0fb55d55c73cdd7e8e7b5