[INFO] fetching crate molecule 0.7.2...
[INFO] testing molecule-0.7.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate molecule 0.7.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate molecule 0.7.2 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] started tweaking crates.io crate molecule 0.7.2
[INFO] finished tweaking crates.io crate molecule 0.7.2
[INFO] tweaked toml for crates.io crate molecule 0.7.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded faster-hex v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2e5b97c7b402cd70bef59e4107e9a79276106c6635a8396f5c418ee48d5c4979
[INFO] running `Command { std: "docker" "start" "-a" "2e5b97c7b402cd70bef59e4107e9a79276106c6635a8396f5c418ee48d5c4979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5b97c7b402cd70bef59e4107e9a79276106c6635a8396f5c418ee48d5c4979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5b97c7b402cd70bef59e4107e9a79276106c6635a8396f5c418ee48d5c4979", kill_on_drop: false }`
[INFO] [stdout] 2e5b97c7b402cd70bef59e4107e9a79276106c6635a8396f5c418ee48d5c4979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8ecdef376925c88ba902ef9e6ba59a9104e1328ed19ab101fcd49c554cb2ac1b
[INFO] running `Command { std: "docker" "start" "-a" "8ecdef376925c88ba902ef9e6ba59a9104e1328ed19ab101fcd49c554cb2ac1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-hex v0.6.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling molecule v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "8ecdef376925c88ba902ef9e6ba59a9104e1328ed19ab101fcd49c554cb2ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecdef376925c88ba902ef9e6ba59a9104e1328ed19ab101fcd49c554cb2ac1b", kill_on_drop: false }`
[INFO] [stdout] 8ecdef376925c88ba902ef9e6ba59a9104e1328ed19ab101fcd49c554cb2ac1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9de7d21c898d375d4e716eed1854e2a7185253ca9b11ed6e6379eefe84b4ae23
[INFO] running `Command { std: "docker" "start" "-a" "9de7d21c898d375d4e716eed1854e2a7185253ca9b11ed6e6379eefe84b4ae23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling molecule v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "9de7d21c898d375d4e716eed1854e2a7185253ca9b11ed6e6379eefe84b4ae23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de7d21c898d375d4e716eed1854e2a7185253ca9b11ed6e6379eefe84b4ae23", kill_on_drop: false }`
[INFO] [stdout] 9de7d21c898d375d4e716eed1854e2a7185253ca9b11ed6e6379eefe84b4ae23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e3f859bb880bfefa1c435bd11a70afaa7cc0a79ba219a9f84b866c532b989c1a
[INFO] running `Command { std: "docker" "start" "-a" "e3f859bb880bfefa1c435bd11a70afaa7cc0a79ba219a9f84b866c532b989c1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/molecule-cd8f097fc4e979a8)
[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] [stderr]    Doc-tests molecule
[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" "e3f859bb880bfefa1c435bd11a70afaa7cc0a79ba219a9f84b866c532b989c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f859bb880bfefa1c435bd11a70afaa7cc0a79ba219a9f84b866c532b989c1a", kill_on_drop: false }`
[INFO] [stdout] e3f859bb880bfefa1c435bd11a70afaa7cc0a79ba219a9f84b866c532b989c1a