[INFO] fetching crate tweep 0.3.0...
[INFO] testing tweep-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tweep 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tweep 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tweep 0.3.0
[INFO] finished tweaking crates.io crate tweep 0.3.0
[INFO] tweaked toml for crates.io crate tweep 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe8b104c417c21deeaa70cffc0c8f29fc8e6184a783abaed0ce7018334e6b7fa
[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" "fe8b104c417c21deeaa70cffc0c8f29fc8e6184a783abaed0ce7018334e6b7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe8b104c417c21deeaa70cffc0c8f29fc8e6184a783abaed0ce7018334e6b7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8b104c417c21deeaa70cffc0c8f29fc8e6184a783abaed0ce7018334e6b7fa", kill_on_drop: false }`
[INFO] [stdout] fe8b104c417c21deeaa70cffc0c8f29fc8e6184a783abaed0ce7018334e6b7fa
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a1285f62d9619584f7a84778cdf5e43091867fe80d277d6e30e3ca76198bbdf
[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" "8a1285f62d9619584f7a84778cdf5e43091867fe80d277d6e30e3ca76198bbdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling tweep v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "8a1285f62d9619584f7a84778cdf5e43091867fe80d277d6e30e3ca76198bbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1285f62d9619584f7a84778cdf5e43091867fe80d277d6e30e3ca76198bbdf", kill_on_drop: false }`
[INFO] [stdout] 8a1285f62d9619584f7a84778cdf5e43091867fe80d277d6e30e3ca76198bbdf
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 40036517c8e621bdd917fe36f5bf32c767721d6746ba8d3c0dbae37645fc380b
[INFO] running `Command { std: "docker" "start" "-a" "40036517c8e621bdd917fe36f5bf32c767721d6746ba8d3c0dbae37645fc380b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tweep v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "40036517c8e621bdd917fe36f5bf32c767721d6746ba8d3c0dbae37645fc380b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40036517c8e621bdd917fe36f5bf32c767721d6746ba8d3c0dbae37645fc380b", kill_on_drop: false }`
[INFO] [stdout] 40036517c8e621bdd917fe36f5bf32c767721d6746ba8d3c0dbae37645fc380b
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3021aaf30f5f33d6dca4efc17bf36e6bfc2559bf960d4dc7a66a7301f61371d
[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" "d3021aaf30f5f33d6dca4efc17bf36e6bfc2559bf960d4dc7a66a7301f61371d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tweep-5b30541508617ec2
[INFO] [stdout] running 63 tests
[INFO] [stdout] test context::full_context::tests::test_construction ... ok
[INFO] [stdout] test context::partial_context::tests::from_subcontext ... ok
[INFO] [stdout] test context::partial_context::tests::test_conversion ... ok
[INFO] [stdout] test context::full_context::tests::subcontext ... ok
[INFO] [stdout] test context::position::tests::subpositions ... ok
[INFO] [stdout] test output::tests::basic_with_warnings ... ok
[INFO] [stdout] test issues::warning::tests::incremental ... ok
[INFO] [stdout] test issues::error_list::tests::positional ... ok
[INFO] [stdout] test output::tests::output_result ... ok
[INFO] [stdout] test issues::warning::tests::unchanged_referent ... ok
[INFO] [stdout] test passages::header::tests::escaped_chars ... ok
[INFO] [stdout] test passages::header::tests::empty_tags ... ok
[INFO] [stdout] test passages::header::tests::leading_whitespace ... ok
[INFO] [stdout] test passages::header::tests::missing_sigil ... ok
[INFO] [stdout] test passages::header::tests::tags ... ok
[INFO] [stdout] test passages::header::tests::unclosed_tags ... ok
[INFO] [stdout] test issues::error_list::tests::basic ... ok
[INFO] [stdout] test output::tests::basic ... ok
[INFO] [stdout] test issues::error_list::tests::merge ... ok
[INFO] [stdout] test passages::header::tests::tags_and_metadata ... ok
[INFO] [stdout] test passages::header::tests::unclosed_metadata ... ok
[INFO] [stdout] test passages::header::tests::metadata ... ok
[INFO] [stdout] test passages::header::tests::metadata_with_array ... ok
[INFO] [stdout] test passages::header::tests::metadata_before_tags ... ok
[INFO] [stdout] test passages::header::tests::malformed_metadata ... ok
[INFO] [stdout] test passages::header::tests::multilevel_metadata ... ok
[INFO] [stdout] test passages::header::tests::unescaped_chars ... ok
[INFO] [stdout] test passages::story_data::tests::test_example ... ok
[INFO] [stdout] test passages::story_data::tests::test_malformed ... ok
[INFO] [stdout] test passages::script_content::tests::basic ... ok
[INFO] [stdout] test passages::story_title::tests::basic ... ok
[INFO] [stdout] test passages::stylesheet_content::tests::basic ... ok
[INFO] [stdout] test passages::passage::tests::stylesheet_passage ... ok
[INFO] [stdout] test passages::passage::tests::one_line_story_title ... ok
[INFO] [stdout] test stories::story_passages::tests::a_test ... ok
[INFO] [stdout] test passages::passage::tests::a_test ... ok
[INFO] [stdout] test passages::passage::tests::multi_line_story_title ... ok
[INFO] [stdout] test passages::twine_content::tests::links ... ok
[INFO] [stdout] test passages::twine_content::tests::a_test ... ok
[INFO] [stdout] test passages::twine_content::tests::unclosed_link ... ok
[INFO] [stdout] test passages::twine_content::tests::whitespace_in_link ... ok
[INFO] [stdout] test passages::passage::tests::script_passage ... ok
[INFO] [stdout] test stories::story_passages::tests::empty_passage ... ok
[INFO] [stdout] test stories::story_passages::tests::from_string_error ... ok
[INFO] [stdout] test stories::story::tests::a_test ... ok
[INFO] [stdout] test stories::story::tests::file_input ... ok
[INFO] [stdout] test stories::story::tests::warning_offsets ... ok
[INFO] [stdout] test stories::story_passages::tests::dead_start ... ok
[INFO] [stdout] test stories::story_passages::tests::duplicate_story_data ... ok
[INFO] [stdout] test stories::story_passages::tests::dead_link ... ok
[INFO] [stdout] test stories::story_passages::tests::duplicate_story_title ... ok
[INFO] [stdout] test stories::story_passages::tests::missing_title ... ok
[INFO] [stdout] test stories::story_passages::tests::warning_offsets ... ok
[INFO] [stdout] test stories::story_passages::tests::missing_start ... ok
[INFO] [stdout] test stories::story_passages::tests::file_input ... ok
[INFO] [stdout] test stories::story_passages::tests::multi_path ... ok
[INFO] [stdout] test passages::header::tests::empty_name ... ok
[INFO] [stdout] test stories::story_passages::tests::dir_input_duplicates ... ok
[INFO] [stdout] test stories::story_passages::tests::alt_start ... ok
[INFO] [stdout] test stories::story::tests::dir_input ... ok
[INFO] [stdout] test stories::story_passages::tests::dir_input ... ok
[INFO] [stdout] test output::tests::into_err_panic ... ok
[INFO] [stdout] test output::tests::into_ok_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tweep
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name tweep -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-0f682e824bd4c674.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-457e7b78c122b8f6.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-6544c7a6331f27f5.rlib --extern tweep=/opt/rustwide/target/debug/deps/libtweep-4f42cc81ba4df083.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d3021aaf30f5f33d6dca4efc17bf36e6bfc2559bf960d4dc7a66a7301f61371d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3021aaf30f5f33d6dca4efc17bf36e6bfc2559bf960d4dc7a66a7301f61371d", kill_on_drop: false }`
[INFO] [stdout] d3021aaf30f5f33d6dca4efc17bf36e6bfc2559bf960d4dc7a66a7301f61371d