[INFO] updating cached repository https://github.com/gambhiro/yaml-summary
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 799054c33bcc837112010695b14b67a4ff03f1bf
[INFO] testing gambhiro/yaml-summary against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgambhiro%2Fyaml-summary" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gambhiro/yaml-summary on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gambhiro/yaml-summary
[INFO] finished tweaking git repo https://github.com/gambhiro/yaml-summary
[INFO] tweaked toml for git repo https://github.com/gambhiro/yaml-summary written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gambhiro/yaml-summary already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b17d5a350f4e171ec6f34e25951a73262c6f719fa0263b0e78698ab83a904af
[INFO] running `"docker" "start" "-a" "2b17d5a350f4e171ec6f34e25951a73262c6f719fa0263b0e78698ab83a904af"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling yaml-rust v0.3.4
[INFO] [stderr]    Compiling yaml-summary v0.1.0 (/opt/rustwide/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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `"docker" "inspect" "2b17d5a350f4e171ec6f34e25951a73262c6f719fa0263b0e78698ab83a904af"`
[INFO] running `"docker" "rm" "-f" "2b17d5a350f4e171ec6f34e25951a73262c6f719fa0263b0e78698ab83a904af"`
[INFO] [stdout] 2b17d5a350f4e171ec6f34e25951a73262c6f719fa0263b0e78698ab83a904af
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2589be0f60f96516dc5823f42de4ecfa39185b7745f85923ef35d190fc936dd5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2589be0f60f96516dc5823f42de4ecfa39185b7745f85923ef35d190fc936dd5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling yaml-summary v0.1.0 (/opt/rustwide/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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "2589be0f60f96516dc5823f42de4ecfa39185b7745f85923ef35d190fc936dd5"`
[INFO] running `"docker" "rm" "-f" "2589be0f60f96516dc5823f42de4ecfa39185b7745f85923ef35d190fc936dd5"`
[INFO] [stdout] 2589be0f60f96516dc5823f42de4ecfa39185b7745f85923ef35d190fc936dd5
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba15a04c54e95f671d0a8f2ba1b823b49fddd3f713ebfdd17f920123f66d6c0a
[INFO] running `"docker" "start" "-a" "ba15a04c54e95f671d0a8f2ba1b823b49fddd3f713ebfdd17f920123f66d6c0a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yaml_summary-5622c79071f13176
[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" "ba15a04c54e95f671d0a8f2ba1b823b49fddd3f713ebfdd17f920123f66d6c0a"`
[INFO] running `"docker" "rm" "-f" "ba15a04c54e95f671d0a8f2ba1b823b49fddd3f713ebfdd17f920123f66d6c0a"`
[INFO] [stdout] ba15a04c54e95f671d0a8f2ba1b823b49fddd3f713ebfdd17f920123f66d6c0a