[INFO] fetching crate tree_gen 0.1.3...
[INFO] building tree_gen-0.1.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tree_gen 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tree_gen 0.1.3
[INFO] finished tweaking crates.io crate tree_gen 0.1.3
[INFO] tweaked toml for crates.io crate tree_gen 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_gen 0.1.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tree_gen 0.1.3 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.7.2
[INFO] [stderr]   Downloaded anstyle v1.0.9
[INFO] [stderr]   Downloaded anstream v0.6.17
[INFO] [stderr]   Downloaded clap v4.5.20
[INFO] [stderr]   Downloaded serde_json v1.0.132
[INFO] [stderr]   Downloaded serde v1.0.214
[INFO] [stderr]   Downloaded serde_derive v1.0.214
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded clap_builder v4.5.20
[INFO] [stderr]   Downloaded syn v2.0.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eb216f12bfb8c45b3d186db58761768c85f2d0bd760fb4b34660cafd9abc5f3
[INFO] running `Command { std: "docker" "start" "-a" "0eb216f12bfb8c45b3d186db58761768c85f2d0bd760fb4b34660cafd9abc5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eb216f12bfb8c45b3d186db58761768c85f2d0bd760fb4b34660cafd9abc5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb216f12bfb8c45b3d186db58761768c85f2d0bd760fb4b34660cafd9abc5f3", kill_on_drop: false }`
[INFO] [stdout] 0eb216f12bfb8c45b3d186db58761768c85f2d0bd760fb4b34660cafd9abc5f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e323716b11e14b2e3cc52beb93ef20cb52008324388d5f4985c10464d4d22ea9
[INFO] running `Command { std: "docker" "start" "-a" "e323716b11e14b2e3cc52beb93ef20cb52008324388d5f4985c10464d4d22ea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.9
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling anstream v0.6.17
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tree_gen v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close_line`
[INFO] [stdout]   --> src/lib/generate.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (branch, last_branch, continuation, close_line) = match branch_style {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_close_line`
[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 29.52s
[INFO] running `Command { std: "docker" "inspect" "e323716b11e14b2e3cc52beb93ef20cb52008324388d5f4985c10464d4d22ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e323716b11e14b2e3cc52beb93ef20cb52008324388d5f4985c10464d4d22ea9", kill_on_drop: false }`
[INFO] [stdout] e323716b11e14b2e3cc52beb93ef20cb52008324388d5f4985c10464d4d22ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac4bf7d7996ee3f482f74bd75280d7aac2f230d4b4f4d0d30fdcddf28fc96073
[INFO] running `Command { std: "docker" "start" "-a" "ac4bf7d7996ee3f482f74bd75280d7aac2f230d4b4f4d0d30fdcddf28fc96073", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_gen v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close_line`
[INFO] [stdout]   --> src/lib/generate.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (branch, last_branch, continuation, close_line) = match branch_style {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_close_line`
[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 0.57s
[INFO] running `Command { std: "docker" "inspect" "ac4bf7d7996ee3f482f74bd75280d7aac2f230d4b4f4d0d30fdcddf28fc96073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4bf7d7996ee3f482f74bd75280d7aac2f230d4b4f4d0d30fdcddf28fc96073", kill_on_drop: false }`
[INFO] [stdout] ac4bf7d7996ee3f482f74bd75280d7aac2f230d4b4f4d0d30fdcddf28fc96073