[INFO] cloning repository https://github.com/klinean42/functionsInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klinean42/functionsInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklinean42%2FfunctionsInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklinean42%2FfunctionsInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c0276656924491bb2c7b03db0c5095f44baa9dd
[INFO] testing klinean42/functionsInRust against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklinean42%2FfunctionsInRust" "/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/klinean42/functionsInRust
[INFO] finished tweaking git repo https://github.com/klinean42/functionsInRust
[INFO] tweaked toml for git repo https://github.com/klinean42/functionsInRust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/klinean42/functionsInRust on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/klinean42/functionsInRust 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" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ea6cbfd372a4ae4df6d1d8aa58092cd9f1a1d6bf08c2d2df6a92b003e4f86ac
[INFO] running `Command { std: "docker" "start" "-a" "2ea6cbfd372a4ae4df6d1d8aa58092cd9f1a1d6bf08c2d2df6a92b003e4f86ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ea6cbfd372a4ae4df6d1d8aa58092cd9f1a1d6bf08c2d2df6a92b003e4f86ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea6cbfd372a4ae4df6d1d8aa58092cd9f1a1d6bf08c2d2df6a92b003e4f86ac", kill_on_drop: false }`
[INFO] [stdout] 2ea6cbfd372a4ae4df6d1d8aa58092cd9f1a1d6bf08c2d2df6a92b003e4f86ac
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4841f26234d048412154e9783f8fa6d656969ac02a42e71044187d8a5e3f48d9
[INFO] running `Command { std: "docker" "start" "-a" "4841f26234d048412154e9783f8fa6d656969ac02a42e71044187d8a5e3f48d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut c = c - 32.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut c = c * 5.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut c = c / 9.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut f = f * 9.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut f = f / 5.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut f = f + 32.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_to_C` should have a snake case name
[INFO] [stdout]   --> main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn convert_to_C(c: f32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `convert_to_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_to_F` should have a snake case name
[INFO] [stdout]   --> main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn convert_to_F(f: f32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `convert_to_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "4841f26234d048412154e9783f8fa6d656969ac02a42e71044187d8a5e3f48d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4841f26234d048412154e9783f8fa6d656969ac02a42e71044187d8a5e3f48d9", kill_on_drop: false }`
[INFO] [stdout] 4841f26234d048412154e9783f8fa6d656969ac02a42e71044187d8a5e3f48d9
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0c273b8ea8f90ba99b84bc2cb2e1a01eb2c5c43053e2b19f8e06e0b1b8d476
[INFO] running `Command { std: "docker" "start" "-a" "8e0c273b8ea8f90ba99b84bc2cb2e1a01eb2c5c43053e2b19f8e06e0b1b8d476", kill_on_drop: false }`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut c = c - 32.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut c = c * 5.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut c = c / 9.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut f = f * 9.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut f = f / 5.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut f = f + 32.0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_to_C` should have a snake case name
[INFO] [stdout]   --> main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn convert_to_C(c: f32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `convert_to_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_to_F` should have a snake case name
[INFO] [stdout]   --> main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn convert_to_F(f: f32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `convert_to_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "8e0c273b8ea8f90ba99b84bc2cb2e1a01eb2c5c43053e2b19f8e06e0b1b8d476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0c273b8ea8f90ba99b84bc2cb2e1a01eb2c5c43053e2b19f8e06e0b1b8d476", kill_on_drop: false }`
[INFO] [stdout] 8e0c273b8ea8f90ba99b84bc2cb2e1a01eb2c5c43053e2b19f8e06e0b1b8d476
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e743bdeb8b3a7b9a7db180d2e9b13bcd39416866c6972e06a19b7a67ed6e50bd
[INFO] running `Command { std: "docker" "start" "-a" "e743bdeb8b3a7b9a7db180d2e9b13bcd39416866c6972e06a19b7a67ed6e50bd", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut c = c - 32.0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut c = c * 5.0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut c = c / 9.0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut f = f * 9.0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut f = f / 5.0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut f = f + 32.0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `convert_to_C` should have a snake case name
[INFO] [stderr]   --> main.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn convert_to_C(c: f32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `convert_to_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `convert_to_F` should have a snake case name
[INFO] [stderr]   --> main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn convert_to_F(f: f32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `convert_to_f`
[INFO] [stderr] 
[INFO] [stderr] warning: `functions` (bin "functions" test) generated 8 warnings (run `cargo fix --bin "functions" -p functions --tests` to apply 6 suggestions)
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/functions-6dc9c1b528f448eb)
[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" "e743bdeb8b3a7b9a7db180d2e9b13bcd39416866c6972e06a19b7a67ed6e50bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e743bdeb8b3a7b9a7db180d2e9b13bcd39416866c6972e06a19b7a67ed6e50bd", kill_on_drop: false }`
[INFO] [stdout] e743bdeb8b3a7b9a7db180d2e9b13bcd39416866c6972e06a19b7a67ed6e50bd
