[INFO] cloning repository https://github.com/pegasushyper/lernkurve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pegasushyper/lernkurve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpegasushyper%2Flernkurve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpegasushyper%2Flernkurve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a4a3da84880cc54058fad58306184e52d79efa7
[INFO] testing pegasushyper/lernkurve 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%2Fpegasushyper%2Flernkurve" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pegasushyper/lernkurve
[INFO] finished tweaking git repo https://github.com/pegasushyper/lernkurve
[INFO] tweaked toml for git repo https://github.com/pegasushyper/lernkurve written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pegasushyper/lernkurve 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/pegasushyper/lernkurve 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing pegasushyper/lernkurve 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%2Fpegasushyper%2Flernkurve" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pegasushyper/lernkurve
[INFO] finished tweaking git repo https://github.com/pegasushyper/lernkurve
[INFO] tweaked toml for git repo https://github.com/pegasushyper/lernkurve written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pegasushyper/lernkurve 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/pegasushyper/lernkurve 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f426ef33450e7e6b1aae026db2eb2953ac7b0a862ad167625b3806392db302a9
[INFO] running `Command { std: "docker" "start" "-a" "f426ef33450e7e6b1aae026db2eb2953ac7b0a862ad167625b3806392db302a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f426ef33450e7e6b1aae026db2eb2953ac7b0a862ad167625b3806392db302a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f426ef33450e7e6b1aae026db2eb2953ac7b0a862ad167625b3806392db302a9", kill_on_drop: false }`
[INFO] [stdout] f426ef33450e7e6b1aae026db2eb2953ac7b0a862ad167625b3806392db302a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1f870a7ba5cba626d9f07387d94c70fff2de182d27182f265767de56d74eb33f
[INFO] running `Command { std: "docker" "start" "-a" "1f870a7ba5cba626d9f07387d94c70fff2de182d27182f265767de56d74eb33f", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.12
[INFO] [stderr]    Compiling learning_curve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `apply_f`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let apply_f = |x: f64| a*x.powf(2.0) + b*x + c;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_apply_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `apply_F` should have a snake case name
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let apply_F = |x: f64| (a / 3.0)*x.powf(3.0) + (b / 2.0)*x.powf(2.0) + c*x;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `apply_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "1f870a7ba5cba626d9f07387d94c70fff2de182d27182f265767de56d74eb33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f870a7ba5cba626d9f07387d94c70fff2de182d27182f265767de56d74eb33f", kill_on_drop: false }`
[INFO] [stdout] 1f870a7ba5cba626d9f07387d94c70fff2de182d27182f265767de56d74eb33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e218c2c130ed3282d0445c5def60280b733dc4109bc7795fa0c0c2ba189a9b2d
[INFO] running `Command { std: "docker" "start" "-a" "e218c2c130ed3282d0445c5def60280b733dc4109bc7795fa0c0c2ba189a9b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_curve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `apply_f`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let apply_f = |x: f64| a*x.powf(2.0) + b*x + c;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_apply_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `apply_F` should have a snake case name
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let apply_F = |x: f64| (a / 3.0)*x.powf(3.0) + (b / 2.0)*x.powf(2.0) + c*x;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `apply_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "e218c2c130ed3282d0445c5def60280b733dc4109bc7795fa0c0c2ba189a9b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e218c2c130ed3282d0445c5def60280b733dc4109bc7795fa0c0c2ba189a9b2d", kill_on_drop: false }`
[INFO] [stdout] e218c2c130ed3282d0445c5def60280b733dc4109bc7795fa0c0c2ba189a9b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3c88122ec4e890eda4c5c2f483142036b2c8202c84d279f9aea91da44a8b576d
[INFO] running `Command { std: "docker" "start" "-a" "3c88122ec4e890eda4c5c2f483142036b2c8202c84d279f9aea91da44a8b576d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `apply_f`
[INFO] [stderr]   --> src/main.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let apply_f = |x: f64| a*x.powf(2.0) + b*x + c;
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_apply_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `apply_F` should have a snake case name
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let apply_F = |x: f64| (a / 3.0)*x.powf(3.0) + (b / 2.0)*x.powf(2.0) + c*x;
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `apply_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `learning_curve` (bin "learning_curve" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/learning_curve-0d782f458e6e85d7)
[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" "3c88122ec4e890eda4c5c2f483142036b2c8202c84d279f9aea91da44a8b576d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c88122ec4e890eda4c5c2f483142036b2c8202c84d279f9aea91da44a8b576d", kill_on_drop: false }`
[INFO] [stdout] 3c88122ec4e890eda4c5c2f483142036b2c8202c84d279f9aea91da44a8b576d