[INFO] fetching crate serde_state 0.4.8...
[INFO] testing serde_state-0.4.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_state 0.4.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_state 0.4.8 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_state 0.4.8
[INFO] finished tweaking crates.io crate serde_state 0.4.8
[INFO] tweaked toml for crates.io crate serde_state 0.4.8 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5feb4874ccd523872ccc81a1e7ca40a15c40e680c6e482a858a3702579543677
[INFO] running `Command { std: "docker" "start" "-a" "5feb4874ccd523872ccc81a1e7ca40a15c40e680c6e482a858a3702579543677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5feb4874ccd523872ccc81a1e7ca40a15c40e680c6e482a858a3702579543677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5feb4874ccd523872ccc81a1e7ca40a15c40e680c6e482a858a3702579543677", kill_on_drop: false }`
[INFO] [stdout] 5feb4874ccd523872ccc81a1e7ca40a15c40e680c6e482a858a3702579543677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6d81c218554a1f79fca61c6b58d33f57ed7b1cca1e10f4dffd5156be7de6bb78
[INFO] running `Command { std: "docker" "start" "-a" "6d81c218554a1f79fca61c6b58d33f57ed7b1cca1e10f4dffd5156be7de6bb78", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_state v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "6d81c218554a1f79fca61c6b58d33f57ed7b1cca1e10f4dffd5156be7de6bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d81c218554a1f79fca61c6b58d33f57ed7b1cca1e10f4dffd5156be7de6bb78", kill_on_drop: false }`
[INFO] [stdout] 6d81c218554a1f79fca61c6b58d33f57ed7b1cca1e10f4dffd5156be7de6bb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4768696b4a066d161925204a23eb7882082c90b79f9dfbe046d34ae088b5437d
[INFO] running `Command { std: "docker" "start" "-a" "4768696b4a066d161925204a23eb7882082c90b79f9dfbe046d34ae088b5437d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive_state v0.4.10
[INFO] [stderr]    Compiling serde_state v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "4768696b4a066d161925204a23eb7882082c90b79f9dfbe046d34ae088b5437d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4768696b4a066d161925204a23eb7882082c90b79f9dfbe046d34ae088b5437d", kill_on_drop: false }`
[INFO] [stdout] 4768696b4a066d161925204a23eb7882082c90b79f9dfbe046d34ae088b5437d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4bdd69a0c8449d8955a3a35d8b0f055793123d8967e0b7817027d19070ba1d41
[INFO] running `Command { std: "docker" "start" "-a" "4bdd69a0c8449d8955a3a35d8b0f055793123d8967e0b7817027d19070ba1d41", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_state-2a0f7d020dc4d020)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_state
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bdd69a0c8449d8955a3a35d8b0f055793123d8967e0b7817027d19070ba1d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdd69a0c8449d8955a3a35d8b0f055793123d8967e0b7817027d19070ba1d41", kill_on_drop: false }`
[INFO] [stdout] 4bdd69a0c8449d8955a3a35d8b0f055793123d8967e0b7817027d19070ba1d41