[INFO] cloning repository https://github.com/jtfm/highest_and_lowest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtfm/highest_and_lowest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtfm%2Fhighest_and_lowest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtfm%2Fhighest_and_lowest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e699b78586262e345e8f5c98e4ad96abee36e197
[INFO] testing jtfm/highest_and_lowest against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtfm%2Fhighest_and_lowest" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jtfm/highest_and_lowest
[INFO] finished tweaking git repo https://github.com/jtfm/highest_and_lowest
[INFO] tweaked toml for git repo https://github.com/jtfm/highest_and_lowest written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtfm/highest_and_lowest on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jtfm/highest_and_lowest 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b734348e63fc2b4369c2c24a8f4b69aa9f89b5742b775c6793549bf388b4bd3a
[INFO] running `Command { std: "docker" "start" "-a" "b734348e63fc2b4369c2c24a8f4b69aa9f89b5742b775c6793549bf388b4bd3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b734348e63fc2b4369c2c24a8f4b69aa9f89b5742b775c6793549bf388b4bd3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b734348e63fc2b4369c2c24a8f4b69aa9f89b5742b775c6793549bf388b4bd3a", kill_on_drop: false }`
[INFO] [stdout] b734348e63fc2b4369c2c24a8f4b69aa9f89b5742b775c6793549bf388b4bd3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] dc96aa99f9efe8030ced15fc5ebfb93029b94494f0beb8ab821008557b541bae
[INFO] running `Command { std: "docker" "start" "-a" "dc96aa99f9efe8030ced15fc5ebfb93029b94494f0beb8ab821008557b541bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling highest_and_lowest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let parsed = numbers_split.map(|x| str::parse::<i32>(x));
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut high: i32 = 0;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut low: i32 = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut high: i32 = 0;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut low: i32 = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "dc96aa99f9efe8030ced15fc5ebfb93029b94494f0beb8ab821008557b541bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc96aa99f9efe8030ced15fc5ebfb93029b94494f0beb8ab821008557b541bae", kill_on_drop: false }`
[INFO] [stdout] dc96aa99f9efe8030ced15fc5ebfb93029b94494f0beb8ab821008557b541bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d8cb25e61eebcb1d9803f8e9d0cacfe979ef003c6edddffe333ce49261dc9ed9
[INFO] running `Command { std: "docker" "start" "-a" "d8cb25e61eebcb1d9803f8e9d0cacfe979ef003c6edddffe333ce49261dc9ed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling highest_and_lowest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let parsed = numbers_split.map(|x| str::parse::<i32>(x));
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut high: i32 = 0;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut low: i32 = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut high: i32 = 0;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut low: i32 = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "d8cb25e61eebcb1d9803f8e9d0cacfe979ef003c6edddffe333ce49261dc9ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cb25e61eebcb1d9803f8e9d0cacfe979ef003c6edddffe333ce49261dc9ed9", kill_on_drop: false }`
[INFO] [stdout] d8cb25e61eebcb1d9803f8e9d0cacfe979ef003c6edddffe333ce49261dc9ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f293b7c6b5879aa78eb2b97b8404beec3ed9bc05ed8eade0e9773a08a1db2035
[INFO] running `Command { std: "docker" "start" "-a" "f293b7c6b5879aa78eb2b97b8404beec3ed9bc05ed8eade0e9773a08a1db2035", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let parsed = numbers_split.map(|x| str::parse::<i32>(x));
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut high: i32 = 0;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/main.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut low: i32 = 0;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut high: i32 = 0;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut low: i32 = 0;
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `highest_and_lowest` (bin "highest_and_lowest" test) generated 5 warnings (run `cargo fix --bin "highest_and_lowest" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/highest_and_lowest-78d641a5e026dddb)
[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" "f293b7c6b5879aa78eb2b97b8404beec3ed9bc05ed8eade0e9773a08a1db2035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f293b7c6b5879aa78eb2b97b8404beec3ed9bc05ed8eade0e9773a08a1db2035", kill_on_drop: false }`
[INFO] [stdout] f293b7c6b5879aa78eb2b97b8404beec3ed9bc05ed8eade0e9773a08a1db2035