[INFO] fetching crate treebender 0.1.1...
[INFO] testing treebender-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate treebender 0.1.1 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate treebender 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treebender 0.1.1
[INFO] finished tweaking crates.io crate treebender 0.1.1
[INFO] tweaked toml for crates.io crate treebender 0.1.1 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate crates.io crate treebender 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f1d6aebeb86e81b904ef79b4e17fc47d3cb059b59509bf1ed249ededfeec05
[INFO] running `Command { std: "docker" "start" "-a" "f3f1d6aebeb86e81b904ef79b4e17fc47d3cb059b59509bf1ed249ededfeec05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f1d6aebeb86e81b904ef79b4e17fc47d3cb059b59509bf1ed249ededfeec05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f1d6aebeb86e81b904ef79b4e17fc47d3cb059b59509bf1ed249ededfeec05", kill_on_drop: false }`
[INFO] [stdout] f3f1d6aebeb86e81b904ef79b4e17fc47d3cb059b59509bf1ed249ededfeec05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb014ac1d5b60ec9a65c0599b826bb7385ad0554482b02c9cbebe108205ca75
[INFO] running `Command { std: "docker" "start" "-a" "bfb014ac1d5b60ec9a65c0599b826bb7385ad0554482b02c9cbebe108205ca75", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling treebender v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "bfb014ac1d5b60ec9a65c0599b826bb7385ad0554482b02c9cbebe108205ca75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb014ac1d5b60ec9a65c0599b826bb7385ad0554482b02c9cbebe108205ca75", kill_on_drop: false }`
[INFO] [stdout] bfb014ac1d5b60ec9a65c0599b826bb7385ad0554482b02c9cbebe108205ca75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bec2a999debc3438028c5dbfcf3c3205d9f186f0aae09acf05b3905aab41a5a9
[INFO] running `Command { std: "docker" "start" "-a" "bec2a999debc3438028c5dbfcf3c3205d9f186f0aae09acf05b3905aab41a5a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling treebender v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "bec2a999debc3438028c5dbfcf3c3205d9f186f0aae09acf05b3905aab41a5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec2a999debc3438028c5dbfcf3c3205d9f186f0aae09acf05b3905aab41a5a9", kill_on_drop: false }`
[INFO] [stdout] bec2a999debc3438028c5dbfcf3c3205d9f186f0aae09acf05b3905aab41a5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26f35ec79e403e226bbb7800406e326e8b4b6d88fb4a4f8acf0fa3f35464774a
[INFO] running `Command { std: "docker" "start" "-a" "26f35ec79e403e226bbb7800406e326e8b4b6d88fb4a4f8acf0fa3f35464774a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treebender-a54003670418579f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test featurestructure::tests::test_unify_tags ... ok
[INFO] [stdout] test featurestructure::tests::test_construct_fs ... ok
[INFO] [stdout] test rules::test_find_nullables ... ok
[INFO] [stdout] test forest::test_tree_generation ... ok
[INFO] [stdout] test forest::test_parse_chart ... ok
[INFO] [stdout] test rules::test_parse_grammar ... ok
[INFO] [stdout] test test_unification_blocking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cli-c31d4a0de87e0346)
[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 treebender
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/utils.rs - utils::combinations (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26f35ec79e403e226bbb7800406e326e8b4b6d88fb4a4f8acf0fa3f35464774a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f35ec79e403e226bbb7800406e326e8b4b6d88fb4a4f8acf0fa3f35464774a", kill_on_drop: false }`
[INFO] [stdout] 26f35ec79e403e226bbb7800406e326e8b4b6d88fb4a4f8acf0fa3f35464774a