[INFO] fetching crate synattra 0.2.1...
[INFO] testing synattra-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate synattra 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate synattra 0.2.1 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 synattra 0.2.1
[INFO] finished tweaking crates.io crate synattra 0.2.1
[INFO] tweaked toml for crates.io crate synattra 0.2.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e813304cc60a0ff9d9a1af6a9084a96fbf1061bbc95e9b1b777731d62b2a048c
[INFO] running `Command { std: "docker" "start" "-a" "e813304cc60a0ff9d9a1af6a9084a96fbf1061bbc95e9b1b777731d62b2a048c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e813304cc60a0ff9d9a1af6a9084a96fbf1061bbc95e9b1b777731d62b2a048c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e813304cc60a0ff9d9a1af6a9084a96fbf1061bbc95e9b1b777731d62b2a048c", kill_on_drop: false }`
[INFO] [stdout] e813304cc60a0ff9d9a1af6a9084a96fbf1061bbc95e9b1b777731d62b2a048c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2eadbead5c2f0579abed75aaf8b3875f66a61bcb8fe2507ce3389cd3d4ff3593
[INFO] running `Command { std: "docker" "start" "-a" "2eadbead5c2f0579abed75aaf8b3875f66a61bcb8fe2507ce3389cd3d4ff3593", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling auto_enums_derive v0.7.12
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling auto_enums_core v0.7.12
[INFO] [stderr]    Compiling auto_enums v0.7.12
[INFO] [stderr]    Compiling synattra v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.86s
[INFO] running `Command { std: "docker" "inspect" "2eadbead5c2f0579abed75aaf8b3875f66a61bcb8fe2507ce3389cd3d4ff3593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eadbead5c2f0579abed75aaf8b3875f66a61bcb8fe2507ce3389cd3d4ff3593", kill_on_drop: false }`
[INFO] [stdout] 2eadbead5c2f0579abed75aaf8b3875f66a61bcb8fe2507ce3389cd3d4ff3593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 39ec98ca6ea3f983d34d762ccfd17deb2e4d79aa79ad3b142c13cd9ac0aa4b52
[INFO] running `Command { std: "docker" "start" "-a" "39ec98ca6ea3f983d34d762ccfd17deb2e4d79aa79ad3b142c13cd9ac0aa4b52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling synattra v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "39ec98ca6ea3f983d34d762ccfd17deb2e4d79aa79ad3b142c13cd9ac0aa4b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ec98ca6ea3f983d34d762ccfd17deb2e4d79aa79ad3b142c13cd9ac0aa4b52", kill_on_drop: false }`
[INFO] [stdout] 39ec98ca6ea3f983d34d762ccfd17deb2e4d79aa79ad3b142c13cd9ac0aa4b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cb17a3b945a5fd7de350db0e7aad66cadc72b4e7bc80253f1bce59bd1fb049a9
[INFO] running `Command { std: "docker" "start" "-a" "cb17a3b945a5fd7de350db0e7aad66cadc72b4e7bc80253f1bce59bd1fb049a9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synattra-0d76cae8090f8238)
[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 synattra
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/parse_ext.rs - parse_ext::ParseStreamExt::parse_as (line 28) ... 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" "cb17a3b945a5fd7de350db0e7aad66cadc72b4e7bc80253f1bce59bd1fb049a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb17a3b945a5fd7de350db0e7aad66cadc72b4e7bc80253f1bce59bd1fb049a9", kill_on_drop: false }`
[INFO] [stdout] cb17a3b945a5fd7de350db0e7aad66cadc72b4e7bc80253f1bce59bd1fb049a9