Dec 12 00:19:22.519 INFO checking Sieciechu/rust-test against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:19:22.519 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 00:19:22.956 INFO [stdout] 6256eb4063222f569e4b888050ea8f50fd29c8de97e9929d9ba5ba88c11b99cf
Dec 12 00:19:22.962 INFO running `"docker" "start" "-a" "6256eb4063222f569e4b888050ea8f50fd29c8de97e9929d9ba5ba88c11b99cf"`
Dec 12 00:19:24.320 INFO [stderr] usermod: no changes
Dec 12 00:19:24.396 INFO [stderr]     Checking app v0.1.0 (/source)
Dec 12 00:19:25.240 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:19:25.240 INFO [stderr]  --> src/main.rs:1:1
Dec 12 00:19:25.240 INFO [stderr]   |
Dec 12 00:19:25.240 INFO [stderr] 1 | #[macro_use]
Dec 12 00:19:25.240 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:19:25.240 INFO [stderr]   |
Dec 12 00:19:25.250 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:19:25.250 INFO [stderr] 
Dec 12 00:19:25.336 INFO [stderr] warning: unused variable: `loopback`
Dec 12 00:19:25.336 INFO [stderr]   --> src/main.rs:35:9
Dec 12 00:19:25.336 INFO [stderr]    |
Dec 12 00:19:25.336 INFO [stderr] 35 |     let loopback = IpAddr::V6(String::from("::1"));
Dec 12 00:19:25.336 INFO [stderr]    |         ^^^^^^^^ help: consider using `_loopback` instead
Dec 12 00:19:25.336 INFO [stderr]    |
Dec 12 00:19:25.336 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:19:25.336 INFO [stderr] 
Dec 12 00:19:25.336 INFO [stderr] warning: unused variable: `x`
Dec 12 00:19:25.336 INFO [stderr]   --> src/main.rs:64:9
Dec 12 00:19:25.336 INFO [stderr]    |
Dec 12 00:19:25.336 INFO [stderr] 64 |     let x = match some_value {
Dec 12 00:19:25.336 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 12 00:19:25.336 INFO [stderr] 
Dec 12 00:19:25.352 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:19:25.352 INFO [stderr]   --> src/main.rs:57:9
Dec 12 00:19:25.352 INFO [stderr]    |
Dec 12 00:19:25.352 INFO [stderr] 57 |     let mut none = plus_one(None);
Dec 12 00:19:25.352 INFO [stderr]    |         ----^^^^
Dec 12 00:19:25.352 INFO [stderr]    |         |
Dec 12 00:19:25.352 INFO [stderr]    |         help: remove this `mut`
Dec 12 00:19:25.352 INFO [stderr]    |
Dec 12 00:19:25.352 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:19:25.352 INFO [stderr] 
Dec 12 00:19:25.356 INFO [stderr] warning: variant is never constructed: `Quit`
Dec 12 00:19:25.356 INFO [stderr]   --> src/main.rs:12:5
Dec 12 00:19:25.356 INFO [stderr]    |
Dec 12 00:19:25.356 INFO [stderr] 12 |     Quit,
Dec 12 00:19:25.356 INFO [stderr]    |     ^^^^
Dec 12 00:19:25.356 INFO [stderr]    |
Dec 12 00:19:25.356 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:19:25.356 INFO [stderr] 
Dec 12 00:19:25.356 INFO [stderr] warning: variant is never constructed: `Write`
Dec 12 00:19:25.356 INFO [stderr]   --> src/main.rs:14:5
Dec 12 00:19:25.356 INFO [stderr]    |
Dec 12 00:19:25.356 INFO [stderr] 14 |     Write(String),
Dec 12 00:19:25.356 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 00:19:25.356 INFO [stderr] 
Dec 12 00:19:25.356 INFO [stderr] warning: variant is never constructed: `ChangeColor`
Dec 12 00:19:25.356 INFO [stderr]   --> src/main.rs:15:5
Dec 12 00:19:25.356 INFO [stderr]    |
Dec 12 00:19:25.356 INFO [stderr] 15 |     ChangeColor(i32, i32, i32),
Dec 12 00:19:25.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:19:25.357 INFO [stderr] 
Dec 12 00:19:25.357 INFO [stderr] warning: variant is never constructed: `Penny`
Dec 12 00:19:25.357 INFO [stderr]   --> src/main.rs:26:5
Dec 12 00:19:25.357 INFO [stderr]    |
Dec 12 00:19:25.357 INFO [stderr] 26 |     Penny,
Dec 12 00:19:25.357 INFO [stderr]    |     ^^^^^
Dec 12 00:19:25.357 INFO [stderr] 
Dec 12 00:19:25.416 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:19:25.416 INFO [stderr]  --> src/main.rs:1:1
Dec 12 00:19:25.416 INFO [stderr]   |
Dec 12 00:19:25.416 INFO [stderr] 1 | #[macro_use]
Dec 12 00:19:25.416 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:19:25.416 INFO [stderr]   |
Dec 12 00:19:25.416 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:19:25.416 INFO [stderr] 
Dec 12 00:19:25.504 INFO [stderr] warning: unused variable: `loopback`
Dec 12 00:19:25.504 INFO [stderr]   --> src/main.rs:35:9
Dec 12 00:19:25.504 INFO [stderr]    |
Dec 12 00:19:25.504 INFO [stderr] 35 |     let loopback = IpAddr::V6(String::from("::1"));
Dec 12 00:19:25.504 INFO [stderr]    |         ^^^^^^^^ help: consider using `_loopback` instead
Dec 12 00:19:25.504 INFO [stderr]    |
Dec 12 00:19:25.504 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:19:25.504 INFO [stderr] 
Dec 12 00:19:25.504 INFO [stderr] warning: unused variable: `x`
Dec 12 00:19:25.504 INFO [stderr]   --> src/main.rs:64:9
Dec 12 00:19:25.504 INFO [stderr]    |
Dec 12 00:19:25.504 INFO [stderr] 64 |     let x = match some_value {
Dec 12 00:19:25.504 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 12 00:19:25.504 INFO [stderr] 
Dec 12 00:19:25.516 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:19:25.516 INFO [stderr]   --> src/main.rs:57:9
Dec 12 00:19:25.516 INFO [stderr]    |
Dec 12 00:19:25.516 INFO [stderr] 57 |     let mut none = plus_one(None);
Dec 12 00:19:25.516 INFO [stderr]    |         ----^^^^
Dec 12 00:19:25.516 INFO [stderr]    |         |
Dec 12 00:19:25.516 INFO [stderr]    |         help: remove this `mut`
Dec 12 00:19:25.516 INFO [stderr]    |
Dec 12 00:19:25.516 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:19:25.516 INFO [stderr] 
Dec 12 00:19:25.517 INFO [stderr] warning: variant is never constructed: `Quit`
Dec 12 00:19:25.519 INFO [stderr]   --> src/main.rs:12:5
Dec 12 00:19:25.519 INFO [stderr]    |
Dec 12 00:19:25.519 INFO [stderr] 12 |     Quit,
Dec 12 00:19:25.519 INFO [stderr]    |     ^^^^
Dec 12 00:19:25.519 INFO [stderr]    |
Dec 12 00:19:25.519 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:19:25.519 INFO [stderr] 
Dec 12 00:19:25.519 INFO [stderr] warning: variant is never constructed: `Write`
Dec 12 00:19:25.519 INFO [stderr]   --> src/main.rs:14:5
Dec 12 00:19:25.519 INFO [stderr]    |
Dec 12 00:19:25.519 INFO [stderr] 14 |     Write(String),
Dec 12 00:19:25.519 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 00:19:25.519 INFO [stderr] 
Dec 12 00:19:25.519 INFO [stderr] warning: variant is never constructed: `ChangeColor`
Dec 12 00:19:25.519 INFO [stderr]   --> src/main.rs:15:5
Dec 12 00:19:25.519 INFO [stderr]    |
Dec 12 00:19:25.519 INFO [stderr] 15 |     ChangeColor(i32, i32, i32),
Dec 12 00:19:25.519 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:19:25.519 INFO [stderr] 
Dec 12 00:19:25.519 INFO [stderr] warning: variant is never constructed: `Penny`
Dec 12 00:19:25.519 INFO [stderr]   --> src/main.rs:26:5
Dec 12 00:19:25.519 INFO [stderr]    |
Dec 12 00:19:25.519 INFO [stderr] 26 |     Penny,
Dec 12 00:19:25.519 INFO [stderr]    |     ^^^^^
Dec 12 00:19:25.519 INFO [stderr] 
Dec 12 00:19:25.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 12 00:19:25.552 INFO [stderr] su: No module specific data is present
Dec 12 00:19:26.318 INFO running `"docker" "inspect" "6256eb4063222f569e4b888050ea8f50fd29c8de97e9929d9ba5ba88c11b99cf"`
Dec 12 00:19:26.610 INFO running `"docker" "rm" "-f" "6256eb4063222f569e4b888050ea8f50fd29c8de97e9929d9ba5ba88c11b99cf"`
Dec 12 00:19:26.976 INFO [stdout] 6256eb4063222f569e4b888050ea8f50fd29c8de97e9929d9ba5ba88c11b99cf