[INFO] fetching crate think 0.1.0...
[INFO] testing think-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate think 0.1.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate think 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-52/source/.cargo/config.toml
[INFO] started tweaking crates.io crate think 0.1.0
[INFO] finished tweaking crates.io crate think 0.1.0
[INFO] tweaked toml for crates.io crate think 0.1.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate think 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970fb44054f2e546b91f3bf88e44598a91fa3251867d63c7a37237b0b185c623
[INFO] running `Command { std: "docker" "start" "-a" "970fb44054f2e546b91f3bf88e44598a91fa3251867d63c7a37237b0b185c623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970fb44054f2e546b91f3bf88e44598a91fa3251867d63c7a37237b0b185c623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970fb44054f2e546b91f3bf88e44598a91fa3251867d63c7a37237b0b185c623", kill_on_drop: false }`
[INFO] [stdout] 970fb44054f2e546b91f3bf88e44598a91fa3251867d63c7a37237b0b185c623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5771a7f1dd4f1eea9d4bb56baecf044f1e1f8aa4d129bc316acb6fec9e44abf7
[INFO] running `Command { std: "docker" "start" "-a" "5771a7f1dd4f1eea9d4bb56baecf044f1e1f8aa4d129bc316acb6fec9e44abf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling think v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "5771a7f1dd4f1eea9d4bb56baecf044f1e1f8aa4d129bc316acb6fec9e44abf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5771a7f1dd4f1eea9d4bb56baecf044f1e1f8aa4d129bc316acb6fec9e44abf7", kill_on_drop: false }`
[INFO] [stdout] 5771a7f1dd4f1eea9d4bb56baecf044f1e1f8aa4d129bc316acb6fec9e44abf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 573e4ba91303babca79f7b5f84e9f3dc1ea2a655913b8786c1d41fb064a6eecc
[INFO] running `Command { std: "docker" "start" "-a" "573e4ba91303babca79f7b5f84e9f3dc1ea2a655913b8786c1d41fb064a6eecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling think v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "573e4ba91303babca79f7b5f84e9f3dc1ea2a655913b8786c1d41fb064a6eecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573e4ba91303babca79f7b5f84e9f3dc1ea2a655913b8786c1d41fb064a6eecc", kill_on_drop: false }`
[INFO] [stdout] 573e4ba91303babca79f7b5f84e9f3dc1ea2a655913b8786c1d41fb064a6eecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb64469a848bb5d8a60c02250c561e273a8a01b04cf855c46d37c75c388971db
[INFO] running `Command { std: "docker" "start" "-a" "bb64469a848bb5d8a60c02250c561e273a8a01b04cf855c46d37c75c388971db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/think-c48fb4d23d3c1f0b)
[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" "bb64469a848bb5d8a60c02250c561e273a8a01b04cf855c46d37c75c388971db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb64469a848bb5d8a60c02250c561e273a8a01b04cf855c46d37c75c388971db", kill_on_drop: false }`
[INFO] [stdout] bb64469a848bb5d8a60c02250c561e273a8a01b04cf855c46d37c75c388971db