[INFO] cloning repository https://github.com/Tfauves/rustWorkSheet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tfauves/rustWorkSheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTfauves%2FrustWorkSheet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTfauves%2FrustWorkSheet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b9382442273856e2f5ae7b9f28a1f332135f02a
[INFO] testing Tfauves/rustWorkSheet against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTfauves%2FrustWorkSheet" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tfauves/rustWorkSheet
[INFO] finished tweaking git repo https://github.com/Tfauves/rustWorkSheet
[INFO] tweaked toml for git repo https://github.com/Tfauves/rustWorkSheet written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tfauves/rustWorkSheet on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tfauves/rustWorkSheet 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-2025-09-21" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4975b1de3e6c4aa07f5af8298343cc4f82b46d1eaac6edcb7dec08443a55195
[INFO] running `Command { std: "docker" "start" "-a" "f4975b1de3e6c4aa07f5af8298343cc4f82b46d1eaac6edcb7dec08443a55195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4975b1de3e6c4aa07f5af8298343cc4f82b46d1eaac6edcb7dec08443a55195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4975b1de3e6c4aa07f5af8298343cc4f82b46d1eaac6edcb7dec08443a55195", kill_on_drop: false }`
[INFO] [stdout] f4975b1de3e6c4aa07f5af8298343cc4f82b46d1eaac6edcb7dec08443a55195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 886ba608261cb9c58859dc3dfcaf0f554cce2ef77882a9193c7a55b89e00cb06
[INFO] running `Command { std: "docker" "start" "-a" "886ba608261cb9c58859dc3dfcaf0f554cce2ef77882a9193c7a55b89e00cb06", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `divide2`
[INFO] [stdout]    --> src/main.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let divide2: Option<i32> = divide(2, 3);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_divide2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let res = divide.expect("we crashed");
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]    --> src/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | struct Dog {
[INFO] [stdout]     |        --- field in this struct
[INFO] [stdout] 192 |     name: String,
[INFO] [stdout] 193 |     age: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyError` is never used
[INFO] [stdout]    --> src/main.rs:240:6
[INFO] [stdout]     |
[INFO] [stdout] 240 | enum MyError {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divideR` is never used
[INFO] [stdout]    --> src/main.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn divideR(dividend: i32, divisor: i32) -> Result<i32, MyError> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divideR` should have a snake case name
[INFO] [stdout]    --> src/main.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn divideR(dividend: i32, divisor: i32) -> Result<i32, MyError> {
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `divide_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "886ba608261cb9c58859dc3dfcaf0f554cce2ef77882a9193c7a55b89e00cb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886ba608261cb9c58859dc3dfcaf0f554cce2ef77882a9193c7a55b89e00cb06", kill_on_drop: false }`
[INFO] [stdout] 886ba608261cb9c58859dc3dfcaf0f554cce2ef77882a9193c7a55b89e00cb06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2574e205af066d83e6ede4dacde3940ac9b25ee5527f0511863f67f94185311e
[INFO] running `Command { std: "docker" "start" "-a" "2574e205af066d83e6ede4dacde3940ac9b25ee5527f0511863f67f94185311e", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `divide2`
[INFO] [stdout]    --> src/main.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let divide2: Option<i32> = divide(2, 3);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_divide2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let res = divide.expect("we crashed");
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]    --> src/main.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | struct Dog {
[INFO] [stdout]     |        --- field in this struct
[INFO] [stdout] 192 |     name: String,
[INFO] [stdout] 193 |     age: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyError` is never used
[INFO] [stdout]    --> src/main.rs:240:6
[INFO] [stdout]     |
[INFO] [stdout] 240 | enum MyError {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divideR` is never used
[INFO] [stdout]    --> src/main.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn divideR(dividend: i32, divisor: i32) -> Result<i32, MyError> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divideR` should have a snake case name
[INFO] [stdout]    --> src/main.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn divideR(dividend: i32, divisor: i32) -> Result<i32, MyError> {
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `divide_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) 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" "2574e205af066d83e6ede4dacde3940ac9b25ee5527f0511863f67f94185311e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2574e205af066d83e6ede4dacde3940ac9b25ee5527f0511863f67f94185311e", kill_on_drop: false }`
[INFO] [stdout] 2574e205af066d83e6ede4dacde3940ac9b25ee5527f0511863f67f94185311e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 668e258be7cadadbf260e21bac9a126b5e1a063321fd53f1659ce7aa45f2246b
[INFO] running `Command { std: "docker" "start" "-a" "668e258be7cadadbf260e21bac9a126b5e1a063321fd53f1659ce7aa45f2246b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `divide2`
[INFO] [stderr]    --> src/main.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let divide2: Option<i32> = divide(2, 3);
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_divide2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/main.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |     let res = divide.expect("we crashed");
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: field `age` is never read
[INFO] [stderr]    --> src/main.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 191 | struct Dog {
[INFO] [stderr]     |        --- field in this struct
[INFO] [stderr] 192 |     name: String,
[INFO] [stderr] 193 |     age: u8,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `MyError` is never used
[INFO] [stderr]    --> src/main.rs:240:6
[INFO] [stderr]     |
[INFO] [stderr] 240 | enum MyError {
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `divideR` is never used
[INFO] [stderr]    --> src/main.rs:245:4
[INFO] [stderr]     |
[INFO] [stderr] 245 | fn divideR(dividend: i32, divisor: i32) -> Result<i32, MyError> {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `divideR` should have a snake case name
[INFO] [stderr]    --> src/main.rs:245:4
[INFO] [stderr]     |
[INFO] [stderr] 245 | fn divideR(dividend: i32, divisor: i32) -> Result<i32, MyError> {
[INFO] [stderr]     |    ^^^^^^^ help: convert the identifier to snake case: `divide_r`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (bin "hello" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-88f5ca11b387ffed)
[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" "668e258be7cadadbf260e21bac9a126b5e1a063321fd53f1659ce7aa45f2246b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668e258be7cadadbf260e21bac9a126b5e1a063321fd53f1659ce7aa45f2246b", kill_on_drop: false }`
[INFO] [stdout] 668e258be7cadadbf260e21bac9a126b5e1a063321fd53f1659ce7aa45f2246b
