[INFO] cloning repository https://github.com/lethuzulu/rust-wc-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lethuzulu/rust-wc-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flethuzulu%2Frust-wc-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flethuzulu%2Frust-wc-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df35dc55228a74b18734bb2ce1c408a71ae92f18
[INFO] testing lethuzulu/rust-wc-tool against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flethuzulu%2Frust-wc-tool" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lethuzulu/rust-wc-tool
[INFO] finished tweaking git repo https://github.com/lethuzulu/rust-wc-tool
[INFO] tweaked toml for git repo https://github.com/lethuzulu/rust-wc-tool written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lethuzulu/rust-wc-tool on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lethuzulu/rust-wc-tool 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea305e725189fead0ac1076e16c251be5a666bc823534d37bbab01bd4e0b846
[INFO] running `Command { std: "docker" "start" "-a" "7ea305e725189fead0ac1076e16c251be5a666bc823534d37bbab01bd4e0b846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea305e725189fead0ac1076e16c251be5a666bc823534d37bbab01bd4e0b846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea305e725189fead0ac1076e16c251be5a666bc823534d37bbab01bd4e0b846", kill_on_drop: false }`
[INFO] [stdout] 7ea305e725189fead0ac1076e16c251be5a666bc823534d37bbab01bd4e0b846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7c858b8d0d9bdd2db5a46793f4e3bd435133b363d5d8dca9fd97651d01fe5c
[INFO] running `Command { std: "docker" "start" "-a" "dc7c858b8d0d9bdd2db5a46793f4e3bd435133b363d5d8dca9fd97651d01fe5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling clap_builder v4.5.11
[INFO] [stderr]    Compiling clap v4.5.11
[INFO] [stderr]    Compiling russt-wc-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num_chars`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let num_chars = temp_string.chars().count();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `Command { std: "docker" "inspect" "dc7c858b8d0d9bdd2db5a46793f4e3bd435133b363d5d8dca9fd97651d01fe5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7c858b8d0d9bdd2db5a46793f4e3bd435133b363d5d8dca9fd97651d01fe5c", kill_on_drop: false }`
[INFO] [stdout] dc7c858b8d0d9bdd2db5a46793f4e3bd435133b363d5d8dca9fd97651d01fe5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 806223bd9555deec15f9e6fd877830fb7125a24a123ca6f8f3fe1f5febe282b5
[INFO] running `Command { std: "docker" "start" "-a" "806223bd9555deec15f9e6fd877830fb7125a24a123ca6f8f3fe1f5febe282b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling russt-wc-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num_chars`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let num_chars = temp_string.chars().count();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_chars`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "806223bd9555deec15f9e6fd877830fb7125a24a123ca6f8f3fe1f5febe282b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806223bd9555deec15f9e6fd877830fb7125a24a123ca6f8f3fe1f5febe282b5", kill_on_drop: false }`
[INFO] [stdout] 806223bd9555deec15f9e6fd877830fb7125a24a123ca6f8f3fe1f5febe282b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 016e2ff8662978b2da6eb67a44386d67031513dd3823a17db0d12c88c03e53ca
[INFO] running `Command { std: "docker" "start" "-a" "016e2ff8662978b2da6eb67a44386d67031513dd3823a17db0d12c88c03e53ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `num_chars`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let num_chars = temp_string.chars().count();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_chars`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `russt-wc-tool` (bin "russt-wc-tool" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/russt_wc_tool-faead56ff984c27e)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/russt_wc_tool-48bddf3c3a353f5f)
[INFO] [stderr]    Doc-tests russt_wc_tool
[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] [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" "016e2ff8662978b2da6eb67a44386d67031513dd3823a17db0d12c88c03e53ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016e2ff8662978b2da6eb67a44386d67031513dd3823a17db0d12c88c03e53ca", kill_on_drop: false }`
[INFO] [stdout] 016e2ff8662978b2da6eb67a44386d67031513dd3823a17db0d12c88c03e53ca