[INFO] cloning repository https://github.com/kyunghyunHan/rustclean
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyunghyunHan/rustclean" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkyunghyunHan%2Frustclean", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkyunghyunHan%2Frustclean'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6931d725cbdce4db4b138d515ab137bcc3f16296
[INFO] testing kyunghyunHan/rustclean against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FkyunghyunHan%2Frustclean" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kyunghyunHan/rustclean
[INFO] finished tweaking git repo https://github.com/kyunghyunHan/rustclean
[INFO] tweaked toml for git repo https://github.com/kyunghyunHan/rustclean written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyunghyunHan/rustclean on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyunghyunHan/rustclean 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "9f07115898b5e48c1cbb2d53afa0fe2892fc5df94646a84e957a1e7cda3f7d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f07115898b5e48c1cbb2d53afa0fe2892fc5df94646a84e957a1e7cda3f7d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f07115898b5e48c1cbb2d53afa0fe2892fc5df94646a84e957a1e7cda3f7d09", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "99db43da54a08238fb33e087f6d8c9630a1d0199bd5f7d557dbbcd5b2f38b2cf", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustclean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[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 variable: `menu_tx`
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (menu_tx, menu_rx) = mpsc::channel::<MenuAction>();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_menu_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut fonts = FontDefinitions::default();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fonts`
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut fonts = FontDefinitions::default();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fonts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NewScan`, `ShowPreferences`, `About`, `Quit`, `ShowHelp`, and `Export` are never constructed
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum MenuAction {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 17 |     NewScan,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 18 |     ShowPreferences,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     About,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     ShowHelp,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 22 |     Export,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MenuAction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `time_taken` and `errors` are never read
[INFO] [stdout]    --> src/main.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 221 | struct CleaningStats {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 224 |     time_taken: f32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 225 |     errors: Vec<String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "99db43da54a08238fb33e087f6d8c9630a1d0199bd5f7d557dbbcd5b2f38b2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99db43da54a08238fb33e087f6d8c9630a1d0199bd5f7d557dbbcd5b2f38b2cf", kill_on_drop: false }`
[INFO] [stdout] 99db43da54a08238fb33e087f6d8c9630a1d0199bd5f7d557dbbcd5b2f38b2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 797b83bf9a29492aa557c5c989b9b7fa7eff375359f0ff4041931b72354a9693
[INFO] running `Command { std: "docker" "start" "-a" "797b83bf9a29492aa557c5c989b9b7fa7eff375359f0ff4041931b72354a9693", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustclean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[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 variable: `menu_tx`
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (menu_tx, menu_rx) = mpsc::channel::<MenuAction>();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_menu_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut fonts = FontDefinitions::default();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fonts`
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut fonts = FontDefinitions::default();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fonts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NewScan`, `ShowPreferences`, `About`, `Quit`, `ShowHelp`, and `Export` are never constructed
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum MenuAction {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 17 |     NewScan,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 18 |     ShowPreferences,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     About,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     ShowHelp,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 22 |     Export,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MenuAction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `time_taken` and `errors` are never read
[INFO] [stdout]    --> src/main.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 221 | struct CleaningStats {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 224 |     time_taken: f32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 225 |     errors: Vec<String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "797b83bf9a29492aa557c5c989b9b7fa7eff375359f0ff4041931b72354a9693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797b83bf9a29492aa557c5c989b9b7fa7eff375359f0ff4041931b72354a9693", kill_on_drop: false }`
[INFO] [stdout] 797b83bf9a29492aa557c5c989b9b7fa7eff375359f0ff4041931b72354a9693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5fb1b9a79c1d1ab319ce1878610afc5d0ef513ef9e18a5764ff05d2cc7cd458
[INFO] running `Command { std: "docker" "start" "-a" "d5fb1b9a79c1d1ab319ce1878610afc5d0ef513ef9e18a5764ff05d2cc7cd458", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `menu_tx`
[INFO] [stderr]   --> src/main.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let (menu_tx, menu_rx) = mpsc::channel::<MenuAction>();
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_menu_tx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let mut fonts = FontDefinitions::default();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fonts`
[INFO] [stderr]    --> src/main.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let mut fonts = FontDefinitions::default();
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fonts`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `NewScan`, `ShowPreferences`, `About`, `Quit`, `ShowHelp`, and `Export` are never constructed
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum MenuAction {
[INFO] [stderr]    |      ---------- variants in this enum
[INFO] [stderr] 17 |     NewScan,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 18 |     ShowPreferences,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 19 |     About,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 20 |     Quit,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 21 |     ShowHelp,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 22 |     Export,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MenuAction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `time_taken` and `errors` are never read
[INFO] [stderr]    --> src/main.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 221 | struct CleaningStats {
[INFO] [stderr]     |        ------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 224 |     time_taken: f32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 225 |     errors: Vec<String>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustclean` (bin "rustclean" test) generated 6 warnings (run `cargo fix --bin "rustclean" -p rustclean --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustclean-e446a4ff44cebf7a)
[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" "d5fb1b9a79c1d1ab319ce1878610afc5d0ef513ef9e18a5764ff05d2cc7cd458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fb1b9a79c1d1ab319ce1878610afc5d0ef513ef9e18a5764ff05d2cc7cd458", kill_on_drop: false }`
[INFO] [stdout] d5fb1b9a79c1d1ab319ce1878610afc5d0ef513ef9e18a5764ff05d2cc7cd458
