[INFO] updating cached repository gambhiro/yaml-summary
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gambhiro/yaml-summary
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gambhiro/yaml-summary" "work/ex/beta-1.38-1/sources/1.37.0/gh/gambhiro/yaml-summary"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gambhiro/yaml-summary'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gambhiro/yaml-summary" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gambhiro/yaml-summary"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gambhiro/yaml-summary'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 799054c33bcc837112010695b14b67a4ff03f1bf
[INFO] sha for GitHub repo gambhiro/yaml-summary: 799054c33bcc837112010695b14b67a4ff03f1bf
[INFO] validating manifest of gambhiro/yaml-summary on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gambhiro/yaml-summary on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gambhiro/yaml-summary
[INFO] finished frobbing gambhiro/yaml-summary
[INFO] frobbed toml for gambhiro/yaml-summary written to work/ex/beta-1.38-1/sources/1.37.0/gh/gambhiro/yaml-summary/Cargo.toml
[INFO] started frobbing gambhiro/yaml-summary
[INFO] finished frobbing gambhiro/yaml-summary
[INFO] frobbed toml for gambhiro/yaml-summary written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gambhiro/yaml-summary/Cargo.toml
[INFO] crate gambhiro/yaml-summary already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gambhiro/yaml-summary against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gambhiro/yaml-summary:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3827e6038a697dca77b2ad2433a3f8a74bcefbe9515e06fa92174effe117c33d
[INFO] running `"docker" "start" "-a" "3827e6038a697dca77b2ad2433a3f8a74bcefbe9515e06fa92174effe117c33d"`
[INFO] [stderr]    Compiling yaml-rust v0.3.4
[INFO] [stderr]    Compiling yaml-summary v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 | /             /// Parsing when item is a Yaml::String. If it is a valid path, the
[INFO] [stderr] 116 | |             /// Markdown will be parsed. Otherwise it is assumed to be a title.
[INFO] [stderr]     | |_______________________________________________________________________________^
[INFO] [stderr] 117 | /             Yaml::String(item) => {
[INFO] [stderr] 118 | |                 let path = PathBuf::from(item.clone());
[INFO] [stderr] 119 | |                 if path.exists() {
[INFO] [stderr] 120 | |                     return Chapter::from(path);
[INFO] [stderr] ...   |
[INFO] [stderr] 123 | |                 }
[INFO] [stderr] 124 | |             },
[INFO] [stderr]     | |_____________- rustdoc does not generate documentation for match arms
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 | /             /// Parsing when item is a Yaml::Hash. Appropriate keys are
[INFO] [stderr] 127 | |             /// interpreted as properties.
[INFO] [stderr]     | |__________________________________________^
[INFO] [stderr] 128 | /             Yaml::Hash(item) => {
[INFO] [stderr] 129 | |                 let mut chapter = Chapter::empty();
[INFO] [stderr] 130 | |
[INFO] [stderr] 131 | |                 // title
[INFO] [stderr] ...   |
[INFO] [stderr] 180 | |                 return chapter;
[INFO] [stderr] 181 | |             },
[INFO] [stderr]     | |_____________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `"docker" "inspect" "3827e6038a697dca77b2ad2433a3f8a74bcefbe9515e06fa92174effe117c33d"`
[INFO] running `"docker" "rm" "-f" "3827e6038a697dca77b2ad2433a3f8a74bcefbe9515e06fa92174effe117c33d"`
[INFO] [stdout] 3827e6038a697dca77b2ad2433a3f8a74bcefbe9515e06fa92174effe117c33d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gambhiro/yaml-summary:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ca656b01aab111f225ee3067d4526f58016e14ba74cee353249389590d490897
[INFO] running `"docker" "start" "-a" "ca656b01aab111f225ee3067d4526f58016e14ba74cee353249389590d490897"`
[INFO] [stderr]    Compiling yaml-summary v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 | /             /// Parsing when item is a Yaml::String. If it is a valid path, the
[INFO] [stderr] 116 | |             /// Markdown will be parsed. Otherwise it is assumed to be a title.
[INFO] [stderr]     | |_______________________________________________________________________________^
[INFO] [stderr] 117 | /             Yaml::String(item) => {
[INFO] [stderr] 118 | |                 let path = PathBuf::from(item.clone());
[INFO] [stderr] 119 | |                 if path.exists() {
[INFO] [stderr] 120 | |                     return Chapter::from(path);
[INFO] [stderr] ...   |
[INFO] [stderr] 123 | |                 }
[INFO] [stderr] 124 | |             },
[INFO] [stderr]     | |_____________- rustdoc does not generate documentation for match arms
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 | /             /// Parsing when item is a Yaml::Hash. Appropriate keys are
[INFO] [stderr] 127 | |             /// interpreted as properties.
[INFO] [stderr]     | |__________________________________________^
[INFO] [stderr] 128 | /             Yaml::Hash(item) => {
[INFO] [stderr] 129 | |                 let mut chapter = Chapter::empty();
[INFO] [stderr] 130 | |
[INFO] [stderr] 131 | |                 // title
[INFO] [stderr] ...   |
[INFO] [stderr] 180 | |                 return chapter;
[INFO] [stderr] 181 | |             },
[INFO] [stderr]     | |_____________- rustdoc does not generate documentation for match arms
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "ca656b01aab111f225ee3067d4526f58016e14ba74cee353249389590d490897"`
[INFO] running `"docker" "rm" "-f" "ca656b01aab111f225ee3067d4526f58016e14ba74cee353249389590d490897"`
[INFO] [stdout] ca656b01aab111f225ee3067d4526f58016e14ba74cee353249389590d490897
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gambhiro/yaml-summary:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] efd81ecc6266e56a6f723781883546ee119832ef8888787ab41f30b4e9408257
[INFO] running `"docker" "start" "-a" "efd81ecc6266e56a6f723781883546ee119832ef8888787ab41f30b4e9408257"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yaml_summary-12b79204b39c988e
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "efd81ecc6266e56a6f723781883546ee119832ef8888787ab41f30b4e9408257"`
[INFO] running `"docker" "rm" "-f" "efd81ecc6266e56a6f723781883546ee119832ef8888787ab41f30b4e9408257"`
[INFO] [stdout] efd81ecc6266e56a6f723781883546ee119832ef8888787ab41f30b4e9408257