[INFO] fetching crate folia 0.0.6...
[INFO] testing folia-0.0.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate folia 0.0.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate folia 0.0.6 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate folia 0.0.6
[INFO] finished tweaking crates.io crate folia 0.0.6
[INFO] tweaked toml for crates.io crate folia 0.0.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate folia 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a581cb7ec7e1f31216e428a84c535b5c6fd0e4ac10103fbe81acdb986da8c4d
[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" "9a581cb7ec7e1f31216e428a84c535b5c6fd0e4ac10103fbe81acdb986da8c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a581cb7ec7e1f31216e428a84c535b5c6fd0e4ac10103fbe81acdb986da8c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a581cb7ec7e1f31216e428a84c535b5c6fd0e4ac10103fbe81acdb986da8c4d", kill_on_drop: false }`
[INFO] [stdout] 9a581cb7ec7e1f31216e428a84c535b5c6fd0e4ac10103fbe81acdb986da8c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "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] 3fb081c03cfdf8cfd41bade9a29672e0b2b9fef782037d887991f3e3bbe571de
[INFO] running `Command { std: "docker" "start" "-a" "3fb081c03cfdf8cfd41bade9a29672e0b2b9fef782037d887991f3e3bbe571de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quick-xml v0.18.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling folia v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.51s
[INFO] running `Command { std: "docker" "inspect" "3fb081c03cfdf8cfd41bade9a29672e0b2b9fef782037d887991f3e3bbe571de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb081c03cfdf8cfd41bade9a29672e0b2b9fef782037d887991f3e3bbe571de", kill_on_drop: false }`
[INFO] [stdout] 3fb081c03cfdf8cfd41bade9a29672e0b2b9fef782037d887991f3e3bbe571de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6544340ccba7cafd392caee3e77f770c5a38fbe8863ce8f9a9b72cc9d12b9b45
[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" "6544340ccba7cafd392caee3e77f770c5a38fbe8863ce8f9a9b72cc9d12b9b45", kill_on_drop: false }`
[INFO] [stderr]    Compiling folia v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `word2`
[INFO] [stdout]    --> tests/main.rs:921:17
[INFO] [stdout]     |
[INFO] [stdout] 921 |             let word2 = doc.annotate(sentence,
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_word2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "6544340ccba7cafd392caee3e77f770c5a38fbe8863ce8f9a9b72cc9d12b9b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6544340ccba7cafd392caee3e77f770c5a38fbe8863ce8f9a9b72cc9d12b9b45", kill_on_drop: false }`
[INFO] [stdout] 6544340ccba7cafd392caee3e77f770c5a38fbe8863ce8f9a9b72cc9d12b9b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2900ed1172310e5c87309016f730ae85f776cfe22e22ed36ad105cf00d2e60b2
[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" "2900ed1172310e5c87309016f730ae85f776cfe22e22ed36ad105cf00d2e60b2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `word2`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> tests/main.rs:921:17
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 921 |             let word2 = doc.annotate(sentence,
[INFO] [stdout] 
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_word2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/folia-a2a8486ca9cfe1ce
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/foliabenchmarkr-fe6d3443dbc43000
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/folialintr-82c226450318496f
[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] [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 /opt/rustwide/target/debug/deps/main-af973f9ff784ffd2
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test test002c_annotate_invalid ... ok
[INFO] [stdout] test test002b_annotate_structure ... ok
[INFO] [stdout] test test002_add_element_to ... ok
[INFO] [stdout] test test002c_annotate_span_fromstructure ... ok
[INFO] [stdout] test test003_parse ... ok
[INFO] [stdout] test test004_get_word_from_index ... ok
[INFO] [stdout] test test001_instantiate ... ok
[INFO] [stdout] test test008a_selector_type ... ok
[INFO] [stdout] test test006a_serialise_word ... ok
[INFO] [stdout] test test009b_text_composed_retaintokenisation ... ok
[INFO] [stdout] test test010a_get_inline_annotation ... ok
[INFO] [stdout] test test010b_get_ancestor ... ok
[INFO] [stdout] test test007_metadata ... ok
[INFO] [stdout] test test006a_serialise_all_unchecked ... ok
[INFO] [stdout] test test010c_get_span_annotation ... ok
[INFO] [stdout] test test008b_selector_set_class ... ok
[INFO] [stdout] test test011b_feature_as_attribute ... ok
[INFO] [stdout] test test008d_selector_elementgroup ... ok
[INFO] [stdout] test test005_decode ... ok
[INFO] [stdout] test test013_textmarkup ... ok
[INFO] [stdout] test test012_spanroles ... ok
[INFO] [stdout] test test015_get_layer ... ok
[INFO] [stdout] test test014b_common_ancestor ... ok
[INFO] [stdout] test test010d_get_span_annotation_noduplicates ... ok
[INFO] [stdout] test test011a_features ... ok
[INFO] [stdout] test test014a_common_ancestor ... ok
[INFO] [stdout] test test009c_text_composed_detokenise ... ok
[INFO] [stdout] test test008c_elementselector_set_class ... ok
[INFO] [stdout] test test016_add_provenance ... ok
[INFO] [stdout] test test009c_text_on_span ... ok
[INFO] [stdout] test test009a_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests folia
[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] running `Command { std: "docker" "inspect" "2900ed1172310e5c87309016f730ae85f776cfe22e22ed36ad105cf00d2e60b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2900ed1172310e5c87309016f730ae85f776cfe22e22ed36ad105cf00d2e60b2", kill_on_drop: false }`
[INFO] [stdout] 2900ed1172310e5c87309016f730ae85f776cfe22e22ed36ad105cf00d2e60b2