[INFO] cloning repository https://github.com/jmerilai-oulu/lab3-lint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmerilai-oulu/lab3-lint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmerilai-oulu%2Flab3-lint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmerilai-oulu%2Flab3-lint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7046600a69746a8535fe8a0e3578a621c41cf125
[INFO] checking jmerilai-oulu/lab3-lint against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmerilai-oulu%2Flab3-lint" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmerilai-oulu/lab3-lint on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmerilai-oulu/lab3-lint
[INFO] finished tweaking git repo https://github.com/jmerilai-oulu/lab3-lint
[INFO] tweaked toml for git repo https://github.com/jmerilai-oulu/lab3-lint written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jmerilai-oulu/lab3-lint 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52f2ab3457d32a1123aff0a2c9b1fc98172c76845af220de57ee01b2cbe560b
[INFO] running `Command { std: "docker" "start" "-a" "e52f2ab3457d32a1123aff0a2c9b1fc98172c76845af220de57ee01b2cbe560b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52f2ab3457d32a1123aff0a2c9b1fc98172c76845af220de57ee01b2cbe560b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52f2ab3457d32a1123aff0a2c9b1fc98172c76845af220de57ee01b2cbe560b", kill_on_drop: false }`
[INFO] [stdout] e52f2ab3457d32a1123aff0a2c9b1fc98172c76845af220de57ee01b2cbe560b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1fd0f3bbd4ba81e65234fb2ac8bdc1000a536b8887d7c63d799bfb8181abd6a
[INFO] running `Command { std: "docker" "start" "-a" "a1fd0f3bbd4ba81e65234fb2ac8bdc1000a536b8887d7c63d799bfb8181abd6a", kill_on_drop: false }`
[INFO] [stderr]     Checking lint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `AskOperator` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn AskOperator() -> char {
[INFO] [stdout]   |    ^^^^^^^^^^^ help: convert the identifier to snake case: `ask_operator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Add` should have a snake case name
[INFO] [stdout]   --> src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn Add(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |    ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Subtract` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn Subtract(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `subtract`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Multiply` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn Multiply(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `multiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Divide` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn Divide(x: i32, y: i32) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^ help: convert the identifier to snake case: `divide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `OPERATOR` should have a snake case name
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let OPERATOR = AskOperator();
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `operator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     io::stdout().flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = io::stdout().flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     io::stdout().flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let _ = io::stdout().flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/lint-638ac455be254ab8/test-bin-lint`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `AskOperator` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn AskOperator() -> char {
[INFO] [stdout]   |    ^^^^^^^^^^^ help: convert the identifier to snake case: `ask_operator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Add` should have a snake case name
[INFO] [stdout]   --> src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn Add(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |    ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Subtract` should have a snake case name
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn Subtract(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `subtract`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Multiply` should have a snake case name
[INFO] [stdout]   --> src/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn Multiply(x: i32, y: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `multiply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Divide` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn Divide(x: i32, y: i32) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^ help: convert the identifier to snake case: `divide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `OPERATOR` should have a snake case name
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let OPERATOR = AskOperator();
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `operator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     io::stdout().flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = io::stdout().flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lint` (bin "lint"); 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/44e31dee3cf6f37b4f652572897bb0eb25c477ee/bin/rustc --crate-name lint --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=aaad120d073dc078 -C extra-filename=-68182d94cff69103 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a1fd0f3bbd4ba81e65234fb2ac8bdc1000a536b8887d7c63d799bfb8181abd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fd0f3bbd4ba81e65234fb2ac8bdc1000a536b8887d7c63d799bfb8181abd6a", kill_on_drop: false }`
[INFO] [stdout] a1fd0f3bbd4ba81e65234fb2ac8bdc1000a536b8887d7c63d799bfb8181abd6a