[INFO] fetching crate yarner 0.6.0...
[INFO] testing yarner-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate yarner 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yarner 0.6.0 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 yarner 0.6.0
[INFO] finished tweaking crates.io crate yarner 0.6.0
[INFO] tweaked toml for crates.io crate yarner 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate yarner 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yarner-lib v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc96120411918f21f6da7b1a9cb0bdec0e640602e9e1b0e01e6e319f49656208
[INFO] running `Command { std: "docker" "start" "-a" "bc96120411918f21f6da7b1a9cb0bdec0e640602e9e1b0e01e6e319f49656208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc96120411918f21f6da7b1a9cb0bdec0e640602e9e1b0e01e6e319f49656208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc96120411918f21f6da7b1a9cb0bdec0e640602e9e1b0e01e6e319f49656208", kill_on_drop: false }`
[INFO] [stdout] bc96120411918f21f6da7b1a9cb0bdec0e640602e9e1b0e01e6e319f49656208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8a7eb0d9fa5ce196713389841f75896e61ab482a023e3dd8fc0cd1c720033f2
[INFO] running `Command { std: "docker" "start" "-a" "a8a7eb0d9fa5ce196713389841f75896e61ab482a023e3dd8fc0cd1c720033f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling path-clean v0.1.0
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling yarner-lib v0.6.0
[INFO] [stderr]    Compiling yarner v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.77s
[INFO] running `Command { std: "docker" "inspect" "a8a7eb0d9fa5ce196713389841f75896e61ab482a023e3dd8fc0cd1c720033f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a7eb0d9fa5ce196713389841f75896e61ab482a023e3dd8fc0cd1c720033f2", kill_on_drop: false }`
[INFO] [stdout] a8a7eb0d9fa5ce196713389841f75896e61ab482a023e3dd8fc0cd1c720033f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d79b68cc0be3bbff43c71ef5de8ef118eb574cd4786a7184b40cdd38f622056b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d79b68cc0be3bbff43c71ef5de8ef118eb574cd4786a7184b40cdd38f622056b", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarner v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "d79b68cc0be3bbff43c71ef5de8ef118eb574cd4786a7184b40cdd38f622056b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79b68cc0be3bbff43c71ef5de8ef118eb574cd4786a7184b40cdd38f622056b", kill_on_drop: false }`
[INFO] [stdout] d79b68cc0be3bbff43c71ef5de8ef118eb574cd4786a7184b40cdd38f622056b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a7cd9192803c4525dafb9265d025934d47728f9331a67d75ae1f360571905e33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a7cd9192803c4525dafb9265d025934d47728f9331a67d75ae1f360571905e33", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yarner-2cee9ee9807a9ed0)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test config::tests::label_prefixes ... ok
[INFO] [stdout] test code::tests::multiple_block_same_name ... ok
[INFO] [stdout] test code::tests::nested_block ... ok
[INFO] [stdout] test files::tests::unmodified_path ... ok
[INFO] [stdout] test files::tests::drop_component_from_path ... ok
[INFO] [stdout] test parse::tests::absolute_link ... ok
[INFO] [stdout] test files::tests::replace_component_in_path ... ok
[INFO] [stdout] test parse::tests::detect_newline ... ok
[INFO] [stdout] test code::tests::simple_unnamed_block ... ok
[INFO] [stdout] test config::tests::config_template ... ok
[INFO] [stdout] test code::tests::simple_named_block ... ok
[INFO] [stdout] test code::tests::no_block ... ok
[INFO] [stdout] test parse::tests::parse_absolute_link ... ok
[INFO] [stdout] test parse::tests::parse_image_link ... ok
[INFO] [stdout] test parse::tests::parse_doc_code ... ok
[INFO] [stdout] test parse::tests::parse_no_follow_link ... ok
[INFO] [stdout] test parse::tests::parse_link_label ... ok
[INFO] [stdout] test parse::tests::relative_link ... ok
[INFO] [stdout] test parse::tests::parse_doc_transclusion ... ok
[INFO] [stdout] test parse::tests::parse_two_links ... ok
[INFO] [stdout] test parse::tests::parse_non_link ... ok
[INFO] [stdout] test parse::tests::parse_parent_folder_link ... ok
[INFO] [stdout] test parse::tests::parse_doc_link ... ok
[INFO] [stdout] test parse::tests::parse_transcluded_child_folder_link ... ok
[INFO] [stdout] test parse::tests::parse_single_link_reverse ... ok
[INFO] [stdout] test parse::tests::parse_transcluded_parent_folder_link ... ok
[INFO] [stdout] test parse::tests::parse_doc_text ... ok
[INFO] [stdout] test print::docs::tests::print_code_block ... ok
[INFO] [stdout] test parse::tests::parse_transcluded_sibling_folder_link ... ok
[INFO] [stdout] test util::tests::collect_errs ... ok
[INFO] [stdout] test util::tests::collect_vals ... ok
[INFO] [stdout] test parse::tests::parse_sibling_folder_link ... ok
[INFO] [stdout] test parse::tests::parse_single_link ... ok
[INFO] [stdout] test util::tests::join_strs ... ok
[INFO] [stdout] test parse::tests::parse_doc_code_unclosed - should panic ... ok
[INFO] [stdout] test config::tests::block_labels_check - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7cd9192803c4525dafb9265d025934d47728f9331a67d75ae1f360571905e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cd9192803c4525dafb9265d025934d47728f9331a67d75ae1f360571905e33", kill_on_drop: false }`
[INFO] [stdout] a7cd9192803c4525dafb9265d025934d47728f9331a67d75ae1f360571905e33