[INFO] fetching crate serde-enum 0.1.4...
[INFO] testing serde-enum-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde-enum 0.1.4 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate serde-enum 0.1.4 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-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-35/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" "+1.55.0" "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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 23671827960cafc83ce9c68a77defcd1bdf53a5fc5d7deeb3779f4469783f6e0
[INFO] running `Command { std: "docker" "start" "-a" "23671827960cafc83ce9c68a77defcd1bdf53a5fc5d7deeb3779f4469783f6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23671827960cafc83ce9c68a77defcd1bdf53a5fc5d7deeb3779f4469783f6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23671827960cafc83ce9c68a77defcd1bdf53a5fc5d7deeb3779f4469783f6e0", kill_on_drop: false }`
[INFO] [stdout] 23671827960cafc83ce9c68a77defcd1bdf53a5fc5d7deeb3779f4469783f6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] cc5316330b2c6bebf455ad32af21e8192cb7755f8dc4d7d366decbae79af0733
[INFO] running `Command { std: "docker" "start" "-a" "cc5316330b2c6bebf455ad32af21e8192cb7755f8dc4d7d366decbae79af0733", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[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 25.16s
[INFO] running `Command { std: "docker" "inspect" "cc5316330b2c6bebf455ad32af21e8192cb7755f8dc4d7d366decbae79af0733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5316330b2c6bebf455ad32af21e8192cb7755f8dc4d7d366decbae79af0733", kill_on_drop: false }`
[INFO] [stdout] cc5316330b2c6bebf455ad32af21e8192cb7755f8dc4d7d366decbae79af0733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] a57328b67ded9f411fdf7af071a5645838bc03c57be19fa687ea61581793fd33
[INFO] running `Command { std: "docker" "start" "-a" "a57328b67ded9f411fdf7af071a5645838bc03c57be19fa687ea61581793fd33", 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 0.70s
[INFO] running `Command { std: "docker" "inspect" "a57328b67ded9f411fdf7af071a5645838bc03c57be19fa687ea61581793fd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57328b67ded9f411fdf7af071a5645838bc03c57be19fa687ea61581793fd33", kill_on_drop: false }`
[INFO] [stdout] a57328b67ded9f411fdf7af071a5645838bc03c57be19fa687ea61581793fd33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 51d9e41a67d6bb0d6e0aeb1f6c34b9c52a5c13eaf671a73afc132350d181e445
[INFO] running `Command { std: "docker" "start" "-a" "51d9e41a67d6bb0d6e0aeb1f6c34b9c52a5c13eaf671a73afc132350d181e445", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_enum-ce8eceee53aea7a6)
[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" "51d9e41a67d6bb0d6e0aeb1f6c34b9c52a5c13eaf671a73afc132350d181e445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d9e41a67d6bb0d6e0aeb1f6c34b9c52a5c13eaf671a73afc132350d181e445", kill_on_drop: false }`
[INFO] [stdout] 51d9e41a67d6bb0d6e0aeb1f6c34b9c52a5c13eaf671a73afc132350d181e445