[INFO] fetching crate potoo 0.0.0...
[INFO] testing potoo-0.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate potoo 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate potoo 0.0.0
[INFO] finished tweaking crates.io crate potoo 0.0.0
[INFO] tweaked toml for crates.io crate potoo 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate potoo 0.0.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate potoo 0.0.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c41f721e94cfe5b7c08c44e903ac4cbeab5b99b0ad223aed8558ff8f2e73a7b
[INFO] running `Command { std: "docker" "start" "-a" "3c41f721e94cfe5b7c08c44e903ac4cbeab5b99b0ad223aed8558ff8f2e73a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c41f721e94cfe5b7c08c44e903ac4cbeab5b99b0ad223aed8558ff8f2e73a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c41f721e94cfe5b7c08c44e903ac4cbeab5b99b0ad223aed8558ff8f2e73a7b", kill_on_drop: false }`
[INFO] [stdout] 3c41f721e94cfe5b7c08c44e903ac4cbeab5b99b0ad223aed8558ff8f2e73a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ccc7eff3ea6f4aeb9d0e218edd41eac1c47c1ad74c648a61e0204ece87f52a0
[INFO] running `Command { std: "docker" "start" "-a" "8ccc7eff3ea6f4aeb9d0e218edd41eac1c47c1ad74c648a61e0204ece87f52a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling potoo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "8ccc7eff3ea6f4aeb9d0e218edd41eac1c47c1ad74c648a61e0204ece87f52a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccc7eff3ea6f4aeb9d0e218edd41eac1c47c1ad74c648a61e0204ece87f52a0", kill_on_drop: false }`
[INFO] [stdout] 8ccc7eff3ea6f4aeb9d0e218edd41eac1c47c1ad74c648a61e0204ece87f52a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b688b3d831f5f12f9f18aaba9ca11a909060fde178a178b3cfc5f5371bc4b2
[INFO] running `Command { std: "docker" "start" "-a" "10b688b3d831f5f12f9f18aaba9ca11a909060fde178a178b3cfc5f5371bc4b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling potoo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "10b688b3d831f5f12f9f18aaba9ca11a909060fde178a178b3cfc5f5371bc4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b688b3d831f5f12f9f18aaba9ca11a909060fde178a178b3cfc5f5371bc4b2", kill_on_drop: false }`
[INFO] [stdout] 10b688b3d831f5f12f9f18aaba9ca11a909060fde178a178b3cfc5f5371bc4b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02a6e6c47a7fd40ee4fd2dcd0fc5e7e2b9bb5c44243f6b0986ac0408fcbe7470
[INFO] running `Command { std: "docker" "start" "-a" "02a6e6c47a7fd40ee4fd2dcd0fc5e7e2b9bb5c44243f6b0986ac0408fcbe7470", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/potoo-cae0cba0a36acecc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02a6e6c47a7fd40ee4fd2dcd0fc5e7e2b9bb5c44243f6b0986ac0408fcbe7470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a6e6c47a7fd40ee4fd2dcd0fc5e7e2b9bb5c44243f6b0986ac0408fcbe7470", kill_on_drop: false }`
[INFO] [stdout] 02a6e6c47a7fd40ee4fd2dcd0fc5e7e2b9bb5c44243f6b0986ac0408fcbe7470