[INFO] fetching crate light 0.0.0...
[INFO] testing light-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate light 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate light 0.0.0 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] started tweaking crates.io crate light 0.0.0
[INFO] finished tweaking crates.io crate light 0.0.0
[INFO] tweaked toml for crates.io crate light 0.0.0 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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] d8291e80170644503fbc9e94898e0a7aba6b7157039a526da2330f796b7787d0
[INFO] running `Command { std: "docker" "start" "-a" "d8291e80170644503fbc9e94898e0a7aba6b7157039a526da2330f796b7787d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8291e80170644503fbc9e94898e0a7aba6b7157039a526da2330f796b7787d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8291e80170644503fbc9e94898e0a7aba6b7157039a526da2330f796b7787d0", kill_on_drop: false }`
[INFO] [stdout] d8291e80170644503fbc9e94898e0a7aba6b7157039a526da2330f796b7787d0
[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] d8c9e6c4f4c466fa3b31cbc86de9dc4cad67f28105a5408542a2c06b9c039097
[INFO] running `Command { std: "docker" "start" "-a" "d8c9e6c4f4c466fa3b31cbc86de9dc4cad67f28105a5408542a2c06b9c039097", kill_on_drop: false }`
[INFO] [stderr]    Compiling light v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "d8c9e6c4f4c466fa3b31cbc86de9dc4cad67f28105a5408542a2c06b9c039097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c9e6c4f4c466fa3b31cbc86de9dc4cad67f28105a5408542a2c06b9c039097", kill_on_drop: false }`
[INFO] [stdout] d8c9e6c4f4c466fa3b31cbc86de9dc4cad67f28105a5408542a2c06b9c039097
[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] 53ca215b571dc21a6e969a324bb49df652d99c38846682bdc576c9b972398102
[INFO] running `Command { std: "docker" "start" "-a" "53ca215b571dc21a6e969a324bb49df652d99c38846682bdc576c9b972398102", kill_on_drop: false }`
[INFO] [stderr]    Compiling light v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "53ca215b571dc21a6e969a324bb49df652d99c38846682bdc576c9b972398102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ca215b571dc21a6e969a324bb49df652d99c38846682bdc576c9b972398102", kill_on_drop: false }`
[INFO] [stdout] 53ca215b571dc21a6e969a324bb49df652d99c38846682bdc576c9b972398102
[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] a74c5746ae64c2088187f427804ac69a9f544cb77e6942fd32a9e7fd2b34a4d8
[INFO] running `Command { std: "docker" "start" "-a" "a74c5746ae64c2088187f427804ac69a9f544cb77e6942fd32a9e7fd2b34a4d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/light-5a60883a32afb778)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests light
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a74c5746ae64c2088187f427804ac69a9f544cb77e6942fd32a9e7fd2b34a4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74c5746ae64c2088187f427804ac69a9f544cb77e6942fd32a9e7fd2b34a4d8", kill_on_drop: false }`
[INFO] [stdout] a74c5746ae64c2088187f427804ac69a9f544cb77e6942fd32a9e7fd2b34a4d8