[INFO] fetching crate tree-struc 0.1.2...
[INFO] testing tree-struc-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate tree-struc 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tree-struc 0.1.2
[INFO] finished tweaking crates.io crate tree-struc 0.1.2
[INFO] tweaked toml for crates.io crate tree-struc 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-struc 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tree-struc 0.1.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bf5507bb1679f6586535979369e0f6761817d4fb816a2274462e8c33cbe3277
[INFO] running `Command { std: "docker" "start" "-a" "8bf5507bb1679f6586535979369e0f6761817d4fb816a2274462e8c33cbe3277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf5507bb1679f6586535979369e0f6761817d4fb816a2274462e8c33cbe3277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf5507bb1679f6586535979369e0f6761817d4fb816a2274462e8c33cbe3277", kill_on_drop: false }`
[INFO] [stdout] 8bf5507bb1679f6586535979369e0f6761817d4fb816a2274462e8c33cbe3277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d3565c095eb7ac3eb423da458170dc5d96c182bb12223b4d80e8f478882ff28
[INFO] running `Command { std: "docker" "start" "-a" "3d3565c095eb7ac3eb423da458170dc5d96c182bb12223b4d80e8f478882ff28", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-struc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::codes::_YELLOW as yellow`
[INFO] [stdout]   --> src/colours.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::codes::_YELLOW as yellow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_BLUE as blue`
[INFO] [stdout]   --> src/colours.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::codes::_BLUE as blue;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_CYAN as cyan`
[INFO] [stdout]   --> src/colours.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::codes::_CYAN as cyan;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_MAGENTA as magenta`
[INFO] [stdout]   --> src/colours.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::codes::_MAGENTA as magenta;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_GRAY as gray`
[INFO] [stdout]   --> src/colours.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use self::codes::_GRAY as gray;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_BOLD as bold`
[INFO] [stdout]   --> src/colours.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use self::codes::_BOLD as bold;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3d3565c095eb7ac3eb423da458170dc5d96c182bb12223b4d80e8f478882ff28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3565c095eb7ac3eb423da458170dc5d96c182bb12223b4d80e8f478882ff28", kill_on_drop: false }`
[INFO] [stdout] 3d3565c095eb7ac3eb423da458170dc5d96c182bb12223b4d80e8f478882ff28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9284cfc37cdc45f189b31933735c5f8b117a89f748122a79829c09b67237d330
[INFO] running `Command { std: "docker" "start" "-a" "9284cfc37cdc45f189b31933735c5f8b117a89f748122a79829c09b67237d330", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-struc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::codes::_YELLOW as yellow`
[INFO] [stdout]   --> src/colours.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use self::codes::_YELLOW as yellow;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_BLUE as blue`
[INFO] [stdout]   --> src/colours.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::codes::_BLUE as blue;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_CYAN as cyan`
[INFO] [stdout]   --> src/colours.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use self::codes::_CYAN as cyan;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_MAGENTA as magenta`
[INFO] [stdout]   --> src/colours.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use self::codes::_MAGENTA as magenta;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_GRAY as gray`
[INFO] [stdout]   --> src/colours.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use self::codes::_GRAY as gray;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::codes::_BOLD as bold`
[INFO] [stdout]   --> src/colours.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use self::codes::_BOLD as bold;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "9284cfc37cdc45f189b31933735c5f8b117a89f748122a79829c09b67237d330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9284cfc37cdc45f189b31933735c5f8b117a89f748122a79829c09b67237d330", kill_on_drop: false }`
[INFO] [stdout] 9284cfc37cdc45f189b31933735c5f8b117a89f748122a79829c09b67237d330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6de5a84b82c91ba58703e52f7d651fbeb8d8ee7629802eef97cac6ceb2a8e7a2
[INFO] running `Command { std: "docker" "start" "-a" "6de5a84b82c91ba58703e52f7d651fbeb8d8ee7629802eef97cac6ceb2a8e7a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::codes::_YELLOW as yellow`
[INFO] [stderr]   --> src/colours.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub use self::codes::_YELLOW as yellow;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::codes::_BLUE as blue`
[INFO] [stderr]   --> src/colours.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub use self::codes::_BLUE as blue;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::codes::_CYAN as cyan`
[INFO] [stderr]   --> src/colours.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub use self::codes::_CYAN as cyan;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::codes::_MAGENTA as magenta`
[INFO] [stderr]   --> src/colours.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub use self::codes::_MAGENTA as magenta;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::codes::_GRAY as gray`
[INFO] [stderr]   --> src/colours.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub use self::codes::_GRAY as gray;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::codes::_BOLD as bold`
[INFO] [stderr]   --> src/colours.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub use self::codes::_BOLD as bold;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tree-struc` (bin "tree-struc" test) generated 6 warnings (run `cargo fix --bin "tree-struc" -p tree-struc --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tree_struc-0fbf54fed6ad62d8)
[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" "6de5a84b82c91ba58703e52f7d651fbeb8d8ee7629802eef97cac6ceb2a8e7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de5a84b82c91ba58703e52f7d651fbeb8d8ee7629802eef97cac6ceb2a8e7a2", kill_on_drop: false }`
[INFO] [stdout] 6de5a84b82c91ba58703e52f7d651fbeb8d8ee7629802eef97cac6ceb2a8e7a2