[INFO] cloning repository https://github.com/FlorentCLMichel/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FlorentCLMichel/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlorentCLMichel%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlorentCLMichel%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ececa6be213b95d1412a6e9ac688a2a5327685f
[INFO] checking FlorentCLMichel/minigrep against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlorentCLMichel%2Fminigrep" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FlorentCLMichel/minigrep on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FlorentCLMichel/minigrep
[INFO] finished tweaking git repo https://github.com/FlorentCLMichel/minigrep
[INFO] tweaked toml for git repo https://github.com/FlorentCLMichel/minigrep written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/FlorentCLMichel/minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f220f59917cb3e360dd3d45c1bbe158e117b5baacf6c64f097253fd67ebfaba9
[INFO] running `Command { std: "docker" "start" "-a" "f220f59917cb3e360dd3d45c1bbe158e117b5baacf6c64f097253fd67ebfaba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f220f59917cb3e360dd3d45c1bbe158e117b5baacf6c64f097253fd67ebfaba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f220f59917cb3e360dd3d45c1bbe158e117b5baacf6c64f097253fd67ebfaba9", kill_on_drop: false }`
[INFO] [stdout] f220f59917cb3e360dd3d45c1bbe158e117b5baacf6c64f097253fd67ebfaba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a62658c11c36dda91246823054be8584bcb8bb5c36c718504e86e951ba4aee97
[INFO] running `Command { std: "docker" "start" "-a" "a62658c11c36dda91246823054be8584bcb8bb5c36c718504e86e951ba4aee97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/lib.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let style: u8 = 1;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fg`
[INFO] [stdout]  --> src/style.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn fg(r: u8, g: u8, b: u8) {
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bg`
[INFO] [stdout]   --> src/style.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn bg(r: u8, g: u8, b: u8) {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `style`
[INFO] [stdout]   --> src/style.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn style(style: u8) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset`
[INFO] [stdout]   --> src/style.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn reset() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_bg`
[INFO] [stdout]   --> src/style.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn add_bg(s: String, r: u8, g: u8, b: u8) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fg`
[INFO] [stdout]  --> src/style.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn fg(r: u8, g: u8, b: u8) {
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bg`
[INFO] [stdout]   --> src/style.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn bg(r: u8, g: u8, b: u8) {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `style`
[INFO] [stdout]   --> src/style.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn style(style: u8) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset`
[INFO] [stdout]   --> src/style.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn reset() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_bg`
[INFO] [stdout]   --> src/style.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn add_bg(s: String, r: u8, g: u8, b: u8) -> String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "a62658c11c36dda91246823054be8584bcb8bb5c36c718504e86e951ba4aee97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62658c11c36dda91246823054be8584bcb8bb5c36c718504e86e951ba4aee97", kill_on_drop: false }`
[INFO] [stdout] a62658c11c36dda91246823054be8584bcb8bb5c36c718504e86e951ba4aee97