[INFO] fetching crate serde-enum 0.1.4...
[INFO] testing serde-enum-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serde-enum 0.1.4 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate serde-enum 0.1.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-enum 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serde-enum 0.1.4
[INFO] tweaked toml for crates.io crate serde-enum 0.1.4 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate crates.io crate serde-enum 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce1aa231e18d06ebc70b0873386081751845af404e7921b2eb92e20b9f01d9a
[INFO] running `Command { std: "docker" "start" "-a" "8ce1aa231e18d06ebc70b0873386081751845af404e7921b2eb92e20b9f01d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce1aa231e18d06ebc70b0873386081751845af404e7921b2eb92e20b9f01d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce1aa231e18d06ebc70b0873386081751845af404e7921b2eb92e20b9f01d9a", kill_on_drop: false }`
[INFO] [stdout] 8ce1aa231e18d06ebc70b0873386081751845af404e7921b2eb92e20b9f01d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bd074846cb52841515620b08d0e30a6e1426cf0884c443f4e71f8d409ac08ac
[INFO] running `Command { std: "docker" "start" "-a" "6bd074846cb52841515620b08d0e30a6e1426cf0884c443f4e71f8d409ac08ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde-enum v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.09s
[INFO] running `Command { std: "docker" "inspect" "6bd074846cb52841515620b08d0e30a6e1426cf0884c443f4e71f8d409ac08ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd074846cb52841515620b08d0e30a6e1426cf0884c443f4e71f8d409ac08ac", kill_on_drop: false }`
[INFO] [stdout] 6bd074846cb52841515620b08d0e30a6e1426cf0884c443f4e71f8d409ac08ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f3334e51cac61f0843ea2a63c5b14431948778b1e6234c7a02d36ecbe34b54
[INFO] running `Command { std: "docker" "start" "-a" "d0f3334e51cac61f0843ea2a63c5b14431948778b1e6234c7a02d36ecbe34b54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde-enum v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d0f3334e51cac61f0843ea2a63c5b14431948778b1e6234c7a02d36ecbe34b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f3334e51cac61f0843ea2a63c5b14431948778b1e6234c7a02d36ecbe34b54", kill_on_drop: false }`
[INFO] [stdout] d0f3334e51cac61f0843ea2a63c5b14431948778b1e6234c7a02d36ecbe34b54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38678732cc37a94c9d31e8bb79dfb4e76ec8c6ef7a56ac85149361896d34b689
[INFO] running `Command { std: "docker" "start" "-a" "38678732cc37a94c9d31e8bb79dfb4e76ec8c6ef7a56ac85149361896d34b689", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_enum-2b82cb1b939c12e2)
[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 serde-enum
[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" "38678732cc37a94c9d31e8bb79dfb4e76ec8c6ef7a56ac85149361896d34b689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38678732cc37a94c9d31e8bb79dfb4e76ec8c6ef7a56ac85149361896d34b689", kill_on_drop: false }`
[INFO] [stdout] 38678732cc37a94c9d31e8bb79dfb4e76ec8c6ef7a56ac85149361896d34b689