[INFO] fetching crate trees-lang 0.2.5...
[INFO] testing trees-lang-0.2.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate trees-lang 0.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate trees-lang 0.2.5
[INFO] finished tweaking crates.io crate trees-lang 0.2.5
[INFO] tweaked toml for crates.io crate trees-lang 0.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trees-lang 0.2.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate trees-lang 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd101b797f456cbe3d6529eeb5f019a22251471be3dd4781089488f34b43a7a8
[INFO] running `Command { std: "docker" "start" "-a" "dd101b797f456cbe3d6529eeb5f019a22251471be3dd4781089488f34b43a7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd101b797f456cbe3d6529eeb5f019a22251471be3dd4781089488f34b43a7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd101b797f456cbe3d6529eeb5f019a22251471be3dd4781089488f34b43a7a8", kill_on_drop: false }`
[INFO] [stdout] dd101b797f456cbe3d6529eeb5f019a22251471be3dd4781089488f34b43a7a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9098d2b6f5055558e1213b3a51fbbe8b525cdee7ce086c6c8eaaff3ccbdfecbd
[INFO] running `Command { std: "docker" "start" "-a" "9098d2b6f5055558e1213b3a51fbbe8b525cdee7ce086c6c8eaaff3ccbdfecbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling trees-lang v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/compile.rs:569:3
[INFO] [stdout]     |
[INFO] [stdout] 569 |   config: &CompileConfig,
[INFO] [stdout]     |   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "9098d2b6f5055558e1213b3a51fbbe8b525cdee7ce086c6c8eaaff3ccbdfecbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9098d2b6f5055558e1213b3a51fbbe8b525cdee7ce086c6c8eaaff3ccbdfecbd", kill_on_drop: false }`
[INFO] [stdout] 9098d2b6f5055558e1213b3a51fbbe8b525cdee7ce086c6c8eaaff3ccbdfecbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c8d11cd2a92af9d28c082b496908eb53dd35630ebdaaaa6bb24cdab80327609
[INFO] running `Command { std: "docker" "start" "-a" "0c8d11cd2a92af9d28c082b496908eb53dd35630ebdaaaa6bb24cdab80327609", kill_on_drop: false }`
[INFO] [stderr]    Compiling trees-lang v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/compile.rs:569:3
[INFO] [stdout]     |
[INFO] [stdout] 569 |   config: &CompileConfig,
[INFO] [stdout]     |   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/compile.rs:569:3
[INFO] [stdout]     |
[INFO] [stdout] 569 |   config: &CompileConfig,
[INFO] [stdout]     |   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "0c8d11cd2a92af9d28c082b496908eb53dd35630ebdaaaa6bb24cdab80327609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8d11cd2a92af9d28c082b496908eb53dd35630ebdaaaa6bb24cdab80327609", kill_on_drop: false }`
[INFO] [stdout] 0c8d11cd2a92af9d28c082b496908eb53dd35630ebdaaaa6bb24cdab80327609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 484a2c842d75d0c8fbff09a60968e88f169c7706682bef9bc265fbb20121373a
[INFO] running `Command { std: "docker" "start" "-a" "484a2c842d75d0c8fbff09a60968e88f169c7706682bef9bc265fbb20121373a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/compile.rs:569:3
[INFO] [stderr]     |
[INFO] [stderr] 569 |   config: &CompileConfig,
[INFO] [stderr]     |   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trees-lang` (lib) generated 1 warning (run `cargo fix --lib -p trees-lang` to apply 1 suggestion)
[INFO] [stderr] warning: `trees-lang` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trees_lang-a8e2b9828251bc11)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test compile::tests::error_dangling_arg_edge ... ok
[INFO] [stdout] test compile::tests::error_non_unique_start_block ... ok
[INFO] [stdout] test compile::tests::check_find_blocks_cjk ... ok
[INFO] [stdout] test compile::tests::ignore_two_block_plug ... ok
[INFO] [stdout] test compile::tests::test_find_a_block ... ok
[INFO] [stdout] test compile::tests::test_split_code ... ok
[INFO] [stdout] test compile::tests::test_split_code_cjk ... ok
[INFO] [stdout] test compile::tests::test_find_a_block_cjk ... ok
[INFO] [stdout] test compile::tests::two_connect ... ok
[INFO] [stderr]    Doc-tests trees_lang
[INFO] [stdout] test compile::tests::check_find_blocks ... ok
[INFO] [stdout] test compile::tests::check_find_blocks_half ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - compile (line 15) ... ok
[INFO] [stdout] test src/compile.rs - compile::CompilingBlock (line 190) ... ok
[INFO] [stdout] test src/compile.rs - compile::CompileConfig (line 16) ... ok
[INFO] [stdout] test src/compile.rs - compile::SplitedCode (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.82s; merged doctests compilation took 0.81s
[INFO] running `Command { std: "docker" "inspect" "484a2c842d75d0c8fbff09a60968e88f169c7706682bef9bc265fbb20121373a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484a2c842d75d0c8fbff09a60968e88f169c7706682bef9bc265fbb20121373a", kill_on_drop: false }`
[INFO] [stdout] 484a2c842d75d0c8fbff09a60968e88f169c7706682bef9bc265fbb20121373a