Dec 04 09:42:03.344 INFO checking springbov/stupid-shell against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:42:03.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 09:42:03.847 INFO [stdout] 23012244b060adb33394c115317227cce36996df9698c5552cbcd2226733babd
Dec 04 09:42:03.849 INFO running `"docker" "start" "-a" "23012244b060adb33394c115317227cce36996df9698c5552cbcd2226733babd"`
Dec 04 09:42:05.019 INFO [stderr] usermod: no changes
Dec 04 09:42:05.079 INFO [stderr]     Checking stupid-shell v0.1.0 (/source)
Dec 04 09:42:05.408 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.408 INFO [stderr]   --> src/shell.rs:19:10
Dec 04 09:42:05.408 INFO [stderr]    |
Dec 04 09:42:05.408 INFO [stderr] 19 |   fn vim(x: Option<String>) -> Option<String>
Dec 04 09:42:05.408 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 04 09:42:05.408 INFO [stderr]    |
Dec 04 09:42:05.408 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:42:05.408 INFO [stderr] 
Dec 04 09:42:05.408 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.408 INFO [stderr]   --> src/shell.rs:37:12
Dec 04 09:42:05.408 INFO [stderr]    |
Dec 04 09:42:05.408 INFO [stderr] 37 |   fn emacs(x: Option<String>) -> Option<String>
Dec 04 09:42:05.408 INFO [stderr]    |            ^ help: consider using `_x` instead
Dec 04 09:42:05.408 INFO [stderr] 
Dec 04 09:42:05.408 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.408 INFO [stderr]   --> src/shell.rs:45:11
Dec 04 09:42:05.408 INFO [stderr]    |
Dec 04 09:42:05.408 INFO [stderr] 45 |   fn nano(x: Option<String>) -> Option<String>
Dec 04 09:42:05.408 INFO [stderr]    |           ^ help: consider using `_x` instead
Dec 04 09:42:05.408 INFO [stderr] 
Dec 04 09:42:05.408 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.408 INFO [stderr]   --> src/shell.rs:53:9
Dec 04 09:42:05.408 INFO [stderr]    |
Dec 04 09:42:05.408 INFO [stderr] 53 |   fn ed(x: Option<String>) -> Option<String>
Dec 04 09:42:05.408 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 04 09:42:05.408 INFO [stderr] 
Dec 04 09:42:05.408 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.408 INFO [stderr]   --> src/shell.rs:62:16
Dec 04 09:42:05.408 INFO [stderr]    |
Dec 04 09:42:05.408 INFO [stderr] 62 |   fn butterfly(x: Option<String>) -> Option<String>
Dec 04 09:42:05.408 INFO [stderr]    |                ^ help: consider using `_x` instead
Dec 04 09:42:05.408 INFO [stderr] 
Dec 04 09:42:05.408 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.408 INFO [stderr]   --> src/shell.rs:70:11
Dec 04 09:42:05.408 INFO [stderr]    |
Dec 04 09:42:05.408 INFO [stderr] 70 |   fn life(x: Option<String>) -> Option<String>
Dec 04 09:42:05.408 INFO [stderr]    |           ^ help: consider using `_x` instead
Dec 04 09:42:05.408 INFO [stderr] 
Dec 04 09:42:05.435 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.435 INFO [stderr]   --> src/shell.rs:19:10
Dec 04 09:42:05.435 INFO [stderr]    |
Dec 04 09:42:05.435 INFO [stderr] 19 |   fn vim(x: Option<String>) -> Option<String>
Dec 04 09:42:05.435 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 04 09:42:05.435 INFO [stderr]    |
Dec 04 09:42:05.435 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:42:05.435 INFO [stderr] 
Dec 04 09:42:05.435 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.435 INFO [stderr]   --> src/shell.rs:37:12
Dec 04 09:42:05.435 INFO [stderr]    |
Dec 04 09:42:05.435 INFO [stderr] 37 |   fn emacs(x: Option<String>) -> Option<String>
Dec 04 09:42:05.435 INFO [stderr]    |            ^ help: consider using `_x` instead
Dec 04 09:42:05.435 INFO [stderr] 
Dec 04 09:42:05.435 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.435 INFO [stderr]   --> src/shell.rs:45:11
Dec 04 09:42:05.435 INFO [stderr]    |
Dec 04 09:42:05.435 INFO [stderr] 45 |   fn nano(x: Option<String>) -> Option<String>
Dec 04 09:42:05.435 INFO [stderr]    |           ^ help: consider using `_x` instead
Dec 04 09:42:05.435 INFO [stderr] 
Dec 04 09:42:05.435 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.435 INFO [stderr]   --> src/shell.rs:53:9
Dec 04 09:42:05.435 INFO [stderr]    |
Dec 04 09:42:05.435 INFO [stderr] 53 |   fn ed(x: Option<String>) -> Option<String>
Dec 04 09:42:05.435 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 04 09:42:05.435 INFO [stderr] 
Dec 04 09:42:05.435 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.435 INFO [stderr]   --> src/shell.rs:62:16
Dec 04 09:42:05.435 INFO [stderr]    |
Dec 04 09:42:05.435 INFO [stderr] 62 |   fn butterfly(x: Option<String>) -> Option<String>
Dec 04 09:42:05.435 INFO [stderr]    |                ^ help: consider using `_x` instead
Dec 04 09:42:05.435 INFO [stderr] 
Dec 04 09:42:05.435 INFO [stderr] warning: unused variable: `x`
Dec 04 09:42:05.435 INFO [stderr]   --> src/shell.rs:70:11
Dec 04 09:42:05.435 INFO [stderr]    |
Dec 04 09:42:05.435 INFO [stderr] 70 |   fn life(x: Option<String>) -> Option<String>
Dec 04 09:42:05.435 INFO [stderr]    |           ^ help: consider using `_x` instead
Dec 04 09:42:05.435 INFO [stderr] 
Dec 04 09:42:05.449 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:42:05.449 INFO [stderr]   --> src/main.rs:12:5
Dec 04 09:42:05.449 INFO [stderr]    |
Dec 04 09:42:05.449 INFO [stderr] 12 |     io::stdout().flush();
Dec 04 09:42:05.449 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:42:05.449 INFO [stderr]    |
Dec 04 09:42:05.449 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:42:05.449 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:42:05.449 INFO [stderr] 
Dec 04 09:42:05.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:42:05.499 INFO [stderr]   --> src/main.rs:12:5
Dec 04 09:42:05.499 INFO [stderr]    |
Dec 04 09:42:05.499 INFO [stderr] 12 |     io::stdout().flush();
Dec 04 09:42:05.499 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:42:05.499 INFO [stderr]    |
Dec 04 09:42:05.499 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:42:05.499 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:42:05.499 INFO [stderr] 
Dec 04 09:42:05.531 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 04 09:42:05.539 INFO [stderr] su: No module specific data is present
Dec 04 09:42:06.482 INFO running `"docker" "inspect" "23012244b060adb33394c115317227cce36996df9698c5552cbcd2226733babd"`
Dec 04 09:42:06.763 INFO running `"docker" "rm" "-f" "23012244b060adb33394c115317227cce36996df9698c5552cbcd2226733babd"`
Dec 04 09:42:07.115 INFO [stdout] 23012244b060adb33394c115317227cce36996df9698c5552cbcd2226733babd