[INFO] fetching crate tree-struc 0.1.2...
[INFO] building tree-struc-0.1.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tree-struc 0.1.2 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-struc 0.1.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52a76fbe0cd891d873610d1db8034d7a0c875f2ca1fba4d6537ade0ea8a1b23
[INFO] running `Command { std: "docker" "start" "-a" "e52a76fbe0cd891d873610d1db8034d7a0c875f2ca1fba4d6537ade0ea8a1b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52a76fbe0cd891d873610d1db8034d7a0c875f2ca1fba4d6537ade0ea8a1b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52a76fbe0cd891d873610d1db8034d7a0c875f2ca1fba4d6537ade0ea8a1b23", kill_on_drop: false }`
[INFO] [stdout] e52a76fbe0cd891d873610d1db8034d7a0c875f2ca1fba4d6537ade0ea8a1b23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4435b9c753e09f83c646c6c452747e0d0a925f4f28e14126cee28b66a3f342
[INFO] running `Command { std: "docker" "start" "-a" "ff4435b9c753e09f83c646c6c452747e0d0a925f4f28e14126cee28b66a3f342", 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "ff4435b9c753e09f83c646c6c452747e0d0a925f4f28e14126cee28b66a3f342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4435b9c753e09f83c646c6c452747e0d0a925f4f28e14126cee28b66a3f342", kill_on_drop: false }`
[INFO] [stdout] ff4435b9c753e09f83c646c6c452747e0d0a925f4f28e14126cee28b66a3f342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae444b2bbe3bfd3e6fe741be0b6d4442ba23a82918d95fc5d8924608c8a17bf
[INFO] running `Command { std: "docker" "start" "-a" "3ae444b2bbe3bfd3e6fe741be0b6d4442ba23a82918d95fc5d8924608c8a17bf", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "3ae444b2bbe3bfd3e6fe741be0b6d4442ba23a82918d95fc5d8924608c8a17bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae444b2bbe3bfd3e6fe741be0b6d4442ba23a82918d95fc5d8924608c8a17bf", kill_on_drop: false }`
[INFO] [stdout] 3ae444b2bbe3bfd3e6fe741be0b6d4442ba23a82918d95fc5d8924608c8a17bf
