[INFO] fetching crate combine-language 4.0.0...
[INFO] testing combine-language-4.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate combine-language 4.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate combine-language 4.0.0 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 combine-language 4.0.0
[INFO] finished tweaking crates.io crate combine-language 4.0.0
[INFO] tweaked toml for crates.io crate combine-language 4.0.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v4.6.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.8
[INFO] [stderr]   Downloaded skeptic v0.9.0
[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] 734f1d00ce0c617acbffa97a4b3a2a375d4e36bb1ed8f815b8eb812f34ed5ba9
[INFO] running `Command { std: "docker" "start" "-a" "734f1d00ce0c617acbffa97a4b3a2a375d4e36bb1ed8f815b8eb812f34ed5ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "734f1d00ce0c617acbffa97a4b3a2a375d4e36bb1ed8f815b8eb812f34ed5ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734f1d00ce0c617acbffa97a4b3a2a375d4e36bb1ed8f815b8eb812f34ed5ba9", kill_on_drop: false }`
[INFO] [stdout] 734f1d00ce0c617acbffa97a4b3a2a375d4e36bb1ed8f815b8eb812f34ed5ba9
[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] e3a18a2247189e4933f4dd6f480d0456a6a7686db349927fb7588f23855ef1d6
[INFO] running `Command { std: "docker" "start" "-a" "e3a18a2247189e4933f4dd6f480d0456a6a7686db349927fb7588f23855ef1d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling pulldown-cmark v0.0.8
[INFO] [stderr]    Compiling skeptic v0.9.0
[INFO] [stderr]    Compiling combine v4.6.1
[INFO] [stderr]    Compiling combine-language v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "e3a18a2247189e4933f4dd6f480d0456a6a7686db349927fb7588f23855ef1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a18a2247189e4933f4dd6f480d0456a6a7686db349927fb7588f23855ef1d6", kill_on_drop: false }`
[INFO] [stdout] e3a18a2247189e4933f4dd6f480d0456a6a7686db349927fb7588f23855ef1d6
[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] 6f9c70337423c4f0c7a0723305f6169a23955cc2374483ccbe206bbf8ab81374
[INFO] running `Command { std: "docker" "start" "-a" "6f9c70337423c4f0c7a0723305f6169a23955cc2374483ccbe206bbf8ab81374", kill_on_drop: false }`
[INFO] [stderr]    Compiling combine-language v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "6f9c70337423c4f0c7a0723305f6169a23955cc2374483ccbe206bbf8ab81374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9c70337423c4f0c7a0723305f6169a23955cc2374483ccbe206bbf8ab81374", kill_on_drop: false }`
[INFO] [stdout] 6f9c70337423c4f0c7a0723305f6169a23955cc2374483ccbe206bbf8ab81374
[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] 18477256690c20e7f0f06bd7034877389f094cb93d65f48666ec27157b9c283a
[INFO] running `Command { std: "docker" "start" "-a" "18477256690c20e7f0f06bd7034877389f094cb93d65f48666ec27157b9c283a", kill_on_drop: false }`
[INFO] [stderr]    Compiling combine-language v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.34s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/combine_language-5ecc2460b0efc40b)
[INFO] [stdout] test tests::expression ... ok
[INFO] [stderr]      Running tests/skeptic.rs (/opt/rustwide/target/debug/deps/skeptic-ebaa5331120dbf49)
[INFO] [stdout] test tests::expression_error ... ok
[INFO] [stdout] test tests::identifier ... ok
[INFO] [stdout] test tests::char_literal ... ok
[INFO] [stdout] test tests::float_literal ... ok
[INFO] [stdout] test tests::operator ... ok
[INFO] [stdout] test tests::integer_literal ... ok
[INFO] [stdout] test tests::range_operator ... ok
[INFO] [stdout] test tests::range_identifier ... ok
[INFO] [stdout] test tests::string_literal ... ok
[INFO] [stdout] test tests::right_assoc_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests combine-language
[INFO] [stdout] test readme_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - expression_parser (line 902) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18477256690c20e7f0f06bd7034877389f094cb93d65f48666ec27157b9c283a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18477256690c20e7f0f06bd7034877389f094cb93d65f48666ec27157b9c283a", kill_on_drop: false }`
[INFO] [stdout] 18477256690c20e7f0f06bd7034877389f094cb93d65f48666ec27157b9c283a