[INFO] cloning repository https://github.com/dmaahs2017/rammer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmaahs2017/rammer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmaahs2017%2Frammer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmaahs2017%2Frammer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c39e5331576a72b96f123cc5df168755825e87fe
[INFO] testing dmaahs2017/rammer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmaahs2017%2Frammer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmaahs2017/rammer 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 git repo https://github.com/dmaahs2017/rammer
[INFO] finished tweaking git repo https://github.com/dmaahs2017/rammer
[INFO] tweaked toml for git repo https://github.com/dmaahs2017/rammer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dmaahs2017/rammer 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 72130c285226054a010f054f403840247f400943de6625744254e37b2a84edce
[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" "72130c285226054a010f054f403840247f400943de6625744254e37b2a84edce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72130c285226054a010f054f403840247f400943de6625744254e37b2a84edce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72130c285226054a010f054f403840247f400943de6625744254e37b2a84edce", kill_on_drop: false }`
[INFO] [stdout] 72130c285226054a010f054f403840247f400943de6625744254e37b2a84edce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c8e6d8bf180ac59ade61e0fc0f67ab4adc5cdc8261306c073dc58d84a9aad430
[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" "c8e6d8bf180ac59ade61e0fc0f67ab4adc5cdc8261306c073dc58d84a9aad430", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling rammer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.61s
[INFO] running `Command { std: "docker" "inspect" "c8e6d8bf180ac59ade61e0fc0f67ab4adc5cdc8261306c073dc58d84a9aad430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e6d8bf180ac59ade61e0fc0f67ab4adc5cdc8261306c073dc58d84a9aad430", kill_on_drop: false }`
[INFO] [stdout] c8e6d8bf180ac59ade61e0fc0f67ab4adc5cdc8261306c073dc58d84a9aad430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0875dd83c353894e051b23a6d980e9630686fd4b305afb83ecbb323efb1ea9e1
[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" "0875dd83c353894e051b23a6d980e9630686fd4b305afb83ecbb323efb1ea9e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rammer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "0875dd83c353894e051b23a6d980e9630686fd4b305afb83ecbb323efb1ea9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0875dd83c353894e051b23a6d980e9630686fd4b305afb83ecbb323efb1ea9e1", kill_on_drop: false }`
[INFO] [stdout] 0875dd83c353894e051b23a6d980e9630686fd4b305afb83ecbb323efb1ea9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 74b0b76309d31533434fe2dec21416f9f6cb70716dc664a80e1c2b969b123c4c
[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" "74b0b76309d31533434fe2dec21416f9f6cb70716dc664a80e1c2b969b123c4c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rammer-49828bc2a294514e)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test bag_of_words::tests::bow_from_ascii_skip_punctuation ... ignored
[INFO] [stdout] test bag_of_words::tests::bow_from_2_emoji_no_space ... ok
[INFO] [stdout] test bag_of_words::tests::bow_2_from_unicode ... ok
[INFO] [stdout] test bag_of_words::tests::bow_2_from_unicode_no_spaces_emoji ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_empty_string ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_2_eq_words ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_one_word ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_file_ascii_only ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_file_unicode_and_ascii ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_file_unicode_only ... ok
[INFO] [stdout] test bag_of_words::tests::combine_empty_bows ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_unicode ... ok
[INFO] [stdout] test bag_of_words::tests::combine_both_non_empty_different ... ok
[INFO] [stdout] test bag_of_words::tests::combine_empty_with_non_empty ... ok
[INFO] [stdout] test bag_of_words::tests::combine_non_empty_with_empty ... ok
[INFO] [stdout] test bag_of_words::tests::combine_three ... ok
[INFO] [stdout] test bag_of_words::tests::freq_1_of_5 ... ok
[INFO] [stdout] test hs_model::tests::filter_test ... ok
[INFO] [stdout] test bag_of_words::tests::new_bow ... ok
[INFO] [stdout] test bag_of_words::tests::combine_both_non_empty ... ok
[INFO] [stdout] test bag_of_words::tests::from_iter ... ok
[INFO] [stdout] test bag_of_words::tests::freq_1 ... ok
[INFO] [stdout] test bag_of_words::tests::freq_1_of_2 ... ok
[INFO] [stdout] test bag_of_words::tests::freq_0 ... ok
[INFO] [stdout] test bag_of_words::tests::bow_from_test_data_folder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/generate_model-f982c65dc518d046)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/inspect_model-ef3a7dea46be58e8)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/validate_model-87de6eea4c393ded)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rammer
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![warn(missing_docs, missing_doc_code_examples)]
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/bag_of_words.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[allow(missing_doc_code_examples)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/bag_of_words.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |     #[allow(missing_doc_code_examples)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/bag_of_words.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[allow(missing_doc_code_examples)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/bag_of_words.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |     #[allow(missing_doc_code_examples)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/hs_model.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[allow(missing_doc_code_examples)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/bag_of_words.rs - bag_of_words::BagOfWords (line 25) - compile ... ok
[INFO] [stdout] test src/bag_of_words.rs - bag_of_words (line 4) - compile ... ok
[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 --crate-name rammer --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rammer=/opt/rustwide/target/debug/deps/librammer-6aeef8dc08854aa4.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-13668f6578565d62.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-1a9ee4e73164bb63.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fd5ef50757453ccd.rlib --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-ea98edc0b3dae9e0.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "74b0b76309d31533434fe2dec21416f9f6cb70716dc664a80e1c2b969b123c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b0b76309d31533434fe2dec21416f9f6cb70716dc664a80e1c2b969b123c4c", kill_on_drop: false }`
[INFO] [stdout] 74b0b76309d31533434fe2dec21416f9f6cb70716dc664a80e1c2b969b123c4c