[INFO] cloning repository https://github.com/eij/rs-convert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eij/rs-convert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feij%2Frs-convert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feij%2Frs-convert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b08c087861a52cdff391b87fbe19e38bbd101e23
[INFO] checking eij/rs-convert against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feij%2Frs-convert" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eij/rs-convert on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eij/rs-convert
[INFO] finished tweaking git repo https://github.com/eij/rs-convert
[INFO] tweaked toml for git repo https://github.com/eij/rs-convert written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/eij/rs-convert already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/utils/threads.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     (cpus * 2)
[INFO] [stdout]   |     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/utils/folders.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 |             (true)
[INFO] [stdout]   |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 |             (false)
[INFO] [stdout]    |             ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (false)
[INFO] [stdout]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 |             (false)
[INFO] [stdout]    |             ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 |             (true)
[INFO] [stdout]    |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (false)
[INFO] [stdout]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 |     (c)
[INFO] [stdout]    |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/utils/threads.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     (cpus * 2)
[INFO] [stdout]   |     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/utils/folders.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 |             (true)
[INFO] [stdout]   |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 |             (false)
[INFO] [stdout]    |             ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (false)
[INFO] [stdout]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 |             (false)
[INFO] [stdout]    |             ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 |             (true)
[INFO] [stdout]    |             ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (false)
[INFO] [stdout]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/utils/folders.rs:49:2
[INFO] [stdout]    |
[INFO] [stdout] 49 |     (c)
[INFO] [stdout]    |     ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]    --> src/convert/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn stop(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]    --> src/convert/mod.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn stop(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.94s
[INFO] running `Command { std: "docker" "inspect" "3eac90da4dbc73b0d3232c5f3f6de12a3927060ebd849744f473d7bb4d511e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eac90da4dbc73b0d3232c5f3f6de12a3927060ebd849744f473d7bb4d511e53", kill_on_drop: false }`
[INFO] [stdout] 3eac90da4dbc73b0d3232c5f3f6de12a3927060ebd849744f473d7bb4d511e53