[INFO] fetching crate tracery 0.2.1...
[INFO] testing tracery-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tracery 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tracery 0.2.1 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 tracery 0.2.1
[INFO] finished tweaking crates.io crate tracery 0.2.1
[INFO] tweaked toml for crates.io crate tracery 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded split_preserve v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] cf0af07c57ec40a087c52e94289ffd4d4a0147a360f64ca9e876e3a98ec1019f
[INFO] running `Command { std: "docker" "start" "-a" "cf0af07c57ec40a087c52e94289ffd4d4a0147a360f64ca9e876e3a98ec1019f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf0af07c57ec40a087c52e94289ffd4d4a0147a360f64ca9e876e3a98ec1019f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0af07c57ec40a087c52e94289ffd4d4a0147a360f64ca9e876e3a98ec1019f", kill_on_drop: false }`
[INFO] [stdout] cf0af07c57ec40a087c52e94289ffd4d4a0147a360f64ca9e876e3a98ec1019f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e4ce4a5302f3c1873513a483d934bdcf7f354eef5d92e781f5b78fe0331f45bc
[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" "e4ce4a5302f3c1873513a483d934bdcf7f354eef5d92e781f5b78fe0331f45bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling split_preserve v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling tracery v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "e4ce4a5302f3c1873513a483d934bdcf7f354eef5d92e781f5b78fe0331f45bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ce4a5302f3c1873513a483d934bdcf7f354eef5d92e781f5b78fe0331f45bc", kill_on_drop: false }`
[INFO] [stdout] e4ce4a5302f3c1873513a483d934bdcf7f354eef5d92e781f5b78fe0331f45bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] baf9e717f38e6c991cd63128a21818672ecb59b19fef5ec65688786252481abc
[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" "baf9e717f38e6c991cd63128a21818672ecb59b19fef5ec65688786252481abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracery v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "baf9e717f38e6c991cd63128a21818672ecb59b19fef5ec65688786252481abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf9e717f38e6c991cd63128a21818672ecb59b19fef5ec65688786252481abc", kill_on_drop: false }`
[INFO] [stdout] baf9e717f38e6c991cd63128a21818672ecb59b19fef5ec65688786252481abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7db1aa5de2bbad934229f4b7813cac5f00af4150f348874ca3079d824c2ac059
[INFO] running `Command { std: "docker" "start" "-a" "7db1aa5de2bbad934229f4b7813cac5f00af4150f348874ca3079d824c2ac059", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracery-490a8bb861acbd1c)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test modifiers::tests::capitalize ... ok
[INFO] [stdout] test modifiers::tests::ed ... ok
[INFO] [stdout] test grammar::tests::flatten_missing_key ... ok
[INFO] [stdout] test modifiers::tests::capitalize_all ... ok
[INFO] [stdout] test modifiers::tests::comma ... ok
[INFO] [stdout] test grammar::tests::pop_rule ... ok
[INFO] [stdout] test grammar::tests::execute_function ... ok
[INFO] [stdout] test grammar::tests::execute ... ok
[INFO] [stdout] test node::tests::conversion ... ok
[INFO] [stdout] test modifiers::tests::in_quotes ... ok
[INFO] [stdout] test modifiers::tests::a ... ok
[INFO] [stdout] test grammar::tests::with_default_rule ... ok
[INFO] [stdout] test grammar::tests::set_default_rule ... ok
[INFO] [stdout] test parser::tests::parse_text ... ok
[INFO] [stdout] test tag::tests::apply_modifiers ... ok
[INFO] [stdout] test parser::tests::parse_mixed_rule ... ok
[INFO] [stdout] test parser::tests::parse_tag_with_text_action ... ok
[INFO] [stdout] test parser::tests::parse_tag_multi_action ... ok
[INFO] [stdout] test parser::tests::parse_tagname ... ok
[INFO] [stdout] test parser::tests::parse_rule_with_hash_dot ... ok
[INFO] [stdout] test parser::tests::parse_tag_with_modifiers ... ok
[INFO] [stdout] test parser::tests::parse_tag_complicated ... ok
[INFO] [stdout] test parser::tests::parse_tag_with_tag_action ... ok
[INFO] [stdout] test tests::test_map_with_actions ... ok
[INFO] [stdout] test tests::test_malformed_input ... ok
[INFO] [stdout] test tests::test_macro ... ok
[INFO] [stdout] test grammar::tests::pop_and_remove ... ok
[INFO] [stdout] test tag::tests::get_rule_from_grammar ... ok
[INFO] [stdout] test tag::tests::get_rule_missing_key ... ok
[INFO] [stdout] test tests::malformed_json ... ok
[INFO] [stdout] test tests::test_flatten_json ... ok
[INFO] [stdout] test tests::test_flatten_map ... ok
[INFO] [stdout] test tests::test_json_with_actions ... ok
[INFO] [stdout] test grammar::tests::from_json ... ok
[INFO] [stderr]    Doc-tests tracery
[INFO] [stdout] test modifiers::tests::s ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 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 --crate-name tracery --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern inflector=/opt/rustwide/target/debug/deps/libinflector-dd2c400aa990e98c.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-21d5ff4807e27e80.rlib --extern pest=/opt/rustwide/target/debug/deps/libpest-637f526392de7828.rlib --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-f92c0d5d483e0e25.so --extern rand=/opt/rustwide/target/debug/deps/librand-18e16905690305ac.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e1e7584dcba0a5cc.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3de8b5c3752d5467.rlib --extern split_preserve=/opt/rustwide/target/debug/deps/libsplit_preserve-e1f57cfd6d091922.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-2d096d62f171a78c.rlib --extern tracery=/opt/rustwide/target/debug/deps/libtracery-72bfd43a4510889c.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --cfg 'feature="tracery_json"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7db1aa5de2bbad934229f4b7813cac5f00af4150f348874ca3079d824c2ac059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db1aa5de2bbad934229f4b7813cac5f00af4150f348874ca3079d824c2ac059", kill_on_drop: false }`
[INFO] [stdout] 7db1aa5de2bbad934229f4b7813cac5f00af4150f348874ca3079d824c2ac059