[INFO] fetching crate serde_as 0.0.1...
[INFO] testing serde_as-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_as 0.0.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate serde_as 0.0.1 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 serde_as 0.0.1
[INFO] finished tweaking crates.io crate serde_as 0.0.1
[INFO] tweaked toml for crates.io crate serde_as 0.0.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate serde_as 0.0.1 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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 9aaae559d7dfa10b317f451e10c4b6fba27a2e35390b505e78fd4f4c2d4b4873
[INFO] running `Command { std: "docker" "start" "-a" "9aaae559d7dfa10b317f451e10c4b6fba27a2e35390b505e78fd4f4c2d4b4873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aaae559d7dfa10b317f451e10c4b6fba27a2e35390b505e78fd4f4c2d4b4873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aaae559d7dfa10b317f451e10c4b6fba27a2e35390b505e78fd4f4c2d4b4873", kill_on_drop: false }`
[INFO] [stdout] 9aaae559d7dfa10b317f451e10c4b6fba27a2e35390b505e78fd4f4c2d4b4873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 660746ff0505cd783ecef61344b04e124f2e3d0930691a736aadd1c7cdf7af95
[INFO] running `Command { std: "docker" "start" "-a" "660746ff0505cd783ecef61344b04e124f2e3d0930691a736aadd1c7cdf7af95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_as v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "660746ff0505cd783ecef61344b04e124f2e3d0930691a736aadd1c7cdf7af95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660746ff0505cd783ecef61344b04e124f2e3d0930691a736aadd1c7cdf7af95", kill_on_drop: false }`
[INFO] [stdout] 660746ff0505cd783ecef61344b04e124f2e3d0930691a736aadd1c7cdf7af95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 08fbbec04a982229f19080c1cb2089ddc4b4e4df101f8a2785dedf3c1e912d3b
[INFO] running `Command { std: "docker" "start" "-a" "08fbbec04a982229f19080c1cb2089ddc4b4e4df101f8a2785dedf3c1e912d3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_as v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "08fbbec04a982229f19080c1cb2089ddc4b4e4df101f8a2785dedf3c1e912d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fbbec04a982229f19080c1cb2089ddc4b4e4df101f8a2785dedf3c1e912d3b", kill_on_drop: false }`
[INFO] [stdout] 08fbbec04a982229f19080c1cb2089ddc4b4e4df101f8a2785dedf3c1e912d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 3072db8d9c780cc8a54b4e078baf111a52d68fa266ae52c64f199282b205216e
[INFO] running `Command { std: "docker" "start" "-a" "3072db8d9c780cc8a54b4e078baf111a52d68fa266ae52c64f199282b205216e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_as-b60991b23e698e54)
[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" "3072db8d9c780cc8a54b4e078baf111a52d68fa266ae52c64f199282b205216e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3072db8d9c780cc8a54b4e078baf111a52d68fa266ae52c64f199282b205216e", kill_on_drop: false }`
[INFO] [stdout] 3072db8d9c780cc8a54b4e078baf111a52d68fa266ae52c64f199282b205216e