[INFO] fetching crate twiggy-parser 0.7.0...
[INFO] testing twiggy-parser-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate twiggy-parser 0.7.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate twiggy-parser 0.7.0 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 twiggy-parser 0.7.0
[INFO] finished tweaking crates.io crate twiggy-parser 0.7.0
[INFO] tweaked toml for crates.io crate twiggy-parser 0.7.0 written to /workspace/builds/worker-29/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] b616194aee8cb1d9205321f5a5e26d4dab2c30d8bcca10c52c5566dfe0dabcb6
[INFO] running `Command { std: "docker" "start" "-a" "b616194aee8cb1d9205321f5a5e26d4dab2c30d8bcca10c52c5566dfe0dabcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b616194aee8cb1d9205321f5a5e26d4dab2c30d8bcca10c52c5566dfe0dabcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b616194aee8cb1d9205321f5a5e26d4dab2c30d8bcca10c52c5566dfe0dabcb6", kill_on_drop: false }`
[INFO] [stdout] b616194aee8cb1d9205321f5a5e26d4dab2c30d8bcca10c52c5566dfe0dabcb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] ad3c5cacb1013547e3f9e2d037967a46c812ea3d71957720a61a4137b21d89f2
[INFO] running `Command { std: "docker" "start" "-a" "ad3c5cacb1013547e3f9e2d037967a46c812ea3d71957720a61a4137b21d89f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling wasmparser v0.35.3
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling goblin v0.1.3
[INFO] [stderr]    Compiling twiggy-ir v0.7.0
[INFO] [stderr]    Compiling twiggy-traits v0.7.0
[INFO] [stderr]    Compiling object v0.17.0
[INFO] [stderr]    Compiling twiggy-parser v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.73s
[INFO] running `Command { std: "docker" "inspect" "ad3c5cacb1013547e3f9e2d037967a46c812ea3d71957720a61a4137b21d89f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3c5cacb1013547e3f9e2d037967a46c812ea3d71957720a61a4137b21d89f2", kill_on_drop: false }`
[INFO] [stdout] ad3c5cacb1013547e3f9e2d037967a46c812ea3d71957720a61a4137b21d89f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 59567f7de619649f8803e9b32eb03e5cdf5b82fcc3b8a8879ed07d2f2b2814f4
[INFO] running `Command { std: "docker" "start" "-a" "59567f7de619649f8803e9b32eb03e5cdf5b82fcc3b8a8879ed07d2f2b2814f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling twiggy-parser v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "59567f7de619649f8803e9b32eb03e5cdf5b82fcc3b8a8879ed07d2f2b2814f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59567f7de619649f8803e9b32eb03e5cdf5b82fcc3b8a8879ed07d2f2b2814f4", kill_on_drop: false }`
[INFO] [stdout] 59567f7de619649f8803e9b32eb03e5cdf5b82fcc3b8a8879ed07d2f2b2814f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] deb4c47814e68d847e00de90a0f044c2ae6917b56c2a63370fb4635262a3c518
[INFO] running `Command { std: "docker" "start" "-a" "deb4c47814e68d847e00de90a0f044c2ae6917b56c2a63370fb4635262a3c518", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twiggy_parser-ce29cb8d49660ef4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twiggy-parser
[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] [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" "deb4c47814e68d847e00de90a0f044c2ae6917b56c2a63370fb4635262a3c518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb4c47814e68d847e00de90a0f044c2ae6917b56c2a63370fb4635262a3c518", kill_on_drop: false }`
[INFO] [stdout] deb4c47814e68d847e00de90a0f044c2ae6917b56c2a63370fb4635262a3c518