[INFO] fetching crate syntastic 0.5.1...
[INFO] testing syntastic-0.5.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate syntastic 0.5.1 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate syntastic 0.5.1 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] removed /workspace/builds/worker-61/source/.cargo/config.toml
[INFO] started tweaking crates.io crate syntastic 0.5.1
[INFO] finished tweaking crates.io crate syntastic 0.5.1
[INFO] tweaked toml for crates.io crate syntastic 0.5.1 written to /workspace/builds/worker-61/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] ac0161c30e9ee92bbf92c9cfdc3d96afec2de2a72ad1a963e8a54ad021d35400
[INFO] running `Command { std: "docker" "start" "-a" "ac0161c30e9ee92bbf92c9cfdc3d96afec2de2a72ad1a963e8a54ad021d35400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0161c30e9ee92bbf92c9cfdc3d96afec2de2a72ad1a963e8a54ad021d35400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0161c30e9ee92bbf92c9cfdc3d96afec2de2a72ad1a963e8a54ad021d35400", kill_on_drop: false }`
[INFO] [stdout] ac0161c30e9ee92bbf92c9cfdc3d96afec2de2a72ad1a963e8a54ad021d35400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] e3c4e386537dae86def9f729db7d0756180306c182ae4f91266f99faa076549c
[INFO] running `Command { std: "docker" "start" "-a" "e3c4e386537dae86def9f729db7d0756180306c182ae4f91266f99faa076549c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syntastic v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.47s
[INFO] running `Command { std: "docker" "inspect" "e3c4e386537dae86def9f729db7d0756180306c182ae4f91266f99faa076549c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c4e386537dae86def9f729db7d0756180306c182ae4f91266f99faa076549c", kill_on_drop: false }`
[INFO] [stdout] e3c4e386537dae86def9f729db7d0756180306c182ae4f91266f99faa076549c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] bcd8cb35349476f687962dcd2602225fdcc11069b023e74fa36043173ba0be8a
[INFO] running `Command { std: "docker" "start" "-a" "bcd8cb35349476f687962dcd2602225fdcc11069b023e74fa36043173ba0be8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling similar v1.3.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling ron v0.6.5
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling insta v1.8.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]    Compiling syntastic v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.90s
[INFO] running `Command { std: "docker" "inspect" "bcd8cb35349476f687962dcd2602225fdcc11069b023e74fa36043173ba0be8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd8cb35349476f687962dcd2602225fdcc11069b023e74fa36043173ba0be8a", kill_on_drop: false }`
[INFO] [stdout] bcd8cb35349476f687962dcd2602225fdcc11069b023e74fa36043173ba0be8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 2cfb4815aa9ae541f831c24b85c4ab4ed2c65e660f6adcf1734e9ed1ebc89a0e
[INFO] running `Command { std: "docker" "start" "-a" "2cfb4815aa9ae541f831c24b85c4ab4ed2c65e660f6adcf1734e9ed1ebc89a0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syntastic-ee2beb44db66c15c)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test ast::tests::ast__valid_operation ... ok
[INFO] [stdout] test ast::tests::ast__variable_substitution ... ok
[INFO] [stdout] test ast::tests::invalid_ast_operation__argument_type ... ok
[INFO] [stdout] test ast::tests::invalid_ast_operation__too_few_args ... ok
[INFO] [stdout] test ast::tests::invalid_ast_operation__too_many_args ... ok
[INFO] [stdout] test ast::tests::invalid_ast_substitution__variable_sort_mismatch ... ok
[INFO] [stdout] test ast::tests::ast__json_snapshot ... ok
[INFO] [stdout] test ast::tests::ast__sexp_snapshot ... ok
[INFO] [stdout] test ast::tests::ast__ron_snapshot ... ok
[INFO] [stdout] test ast::tests::ast__debug_snapshot ... ok
[INFO] [stdout] test ast::tests::ast__roundtrips_through_serialization_and_deserialization ... ok
[INFO] [stdout] test ast::tests::meta__ast_strategy_returns_ast_of_expected_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syntastic
[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" "2cfb4815aa9ae541f831c24b85c4ab4ed2c65e660f6adcf1734e9ed1ebc89a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfb4815aa9ae541f831c24b85c4ab4ed2c65e660f6adcf1734e9ed1ebc89a0e", kill_on_drop: false }`
[INFO] [stdout] 2cfb4815aa9ae541f831c24b85c4ab4ed2c65e660f6adcf1734e9ed1ebc89a0e