[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#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtfm/highest_and_lowest on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8979713bf5f1335d419ab4f597e1a385e2f4b7bb6082a5ddf357ad8b281ad121
[INFO] running `Command { std: "docker" "start" "-a" "8979713bf5f1335d419ab4f597e1a385e2f4b7bb6082a5ddf357ad8b281ad121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8979713bf5f1335d419ab4f597e1a385e2f4b7bb6082a5ddf357ad8b281ad121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8979713bf5f1335d419ab4f597e1a385e2f4b7bb6082a5ddf357ad8b281ad121", kill_on_drop: false }`
[INFO] [stdout] 8979713bf5f1335d419ab4f597e1a385e2f4b7bb6082a5ddf357ad8b281ad121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 61ce63b275340789333db8a16bd97992166e945b586043c855ee6e95e19dd10b
[INFO] running `Command { std: "docker" "start" "-a" "61ce63b275340789333db8a16bd97992166e945b586043c855ee6e95e19dd10b", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "61ce63b275340789333db8a16bd97992166e945b586043c855ee6e95e19dd10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ce63b275340789333db8a16bd97992166e945b586043c855ee6e95e19dd10b", kill_on_drop: false }`
[INFO] [stdout] 61ce63b275340789333db8a16bd97992166e945b586043c855ee6e95e19dd10b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b8ebbb380910f8deade165600dc9f1ac3ec2a280e8b727da449d4b4aebd4e672
[INFO] running `Command { std: "docker" "start" "-a" "b8ebbb380910f8deade165600dc9f1ac3ec2a280e8b727da449d4b4aebd4e672", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to start shim: mkdir /var/lib/containerd/io.containerd.runtime.v2.task/moby/b8ebbb380910f8deade165600dc9f1ac3ec2a280e8b727da449d4b4aebd4e672: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "b8ebbb380910f8deade165600dc9f1ac3ec2a280e8b727da449d4b4aebd4e672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ebbb380910f8deade165600dc9f1ac3ec2a280e8b727da449d4b4aebd4e672", kill_on_drop: false }`
[INFO] [stdout] b8ebbb380910f8deade165600dc9f1ac3ec2a280e8b727da449d4b4aebd4e672