Dec 11 10:26:20.297 INFO checking rustkas/rust-101-impl against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:26:20.298 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11 10:26:20.538 INFO [stdout] ec78498a44ea054c26dd0ea4535cae0322f101ce45c0708800ca876bdb17e31a
Dec 11 10:26:20.542 INFO running `"docker" "start" "-a" "ec78498a44ea054c26dd0ea4535cae0322f101ce45c0708800ca876bdb17e31a"`
Dec 11 10:26:20.960 INFO [stderr] usermod: no changes
Dec 11 10:26:20.977 INFO [stderr]     Checking rust-101 v0.1.0 (/source)
Dec 11 10:26:21.295 INFO [stderr] warning: unused variable: `el`
Dec 11 10:26:21.299 INFO [stderr]   --> src/part0.rs:24:9
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr] 24 |     for el in vec {
Dec 11 10:26:21.299 INFO [stderr]    |         ^^ help: consider using `_el` instead
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 10:26:21.299 INFO [stderr] 
Dec 11 10:26:21.299 INFO [stderr] warning: unused variable: `n`
Dec 11 10:26:21.299 INFO [stderr]   --> src/part0.rs:35:20
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr] 35 |             Number(n) => {
Dec 11 10:26:21.299 INFO [stderr]    |                    ^ help: consider using `_n` instead
Dec 11 10:26:21.299 INFO [stderr] 
Dec 11 10:26:21.299 INFO [stderr] warning: unused variable: `n`
Dec 11 10:26:21.299 INFO [stderr]   --> src/part0.rs:70:28
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr] 70 | fn print_number_or_nothing(n: NumberOrNothing) {
Dec 11 10:26:21.299 INFO [stderr]    |                            ^ help: consider using `_n` instead
Dec 11 10:26:21.299 INFO [stderr] 
Dec 11 10:26:21.299 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:26:21.299 INFO [stderr]   --> src/part0.rs:21:9
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr] 21 |     let mut min = Nothing;
Dec 11 10:26:21.299 INFO [stderr]    |         ----^^^
Dec 11 10:26:21.299 INFO [stderr]    |         |
Dec 11 10:26:21.299 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 10:26:21.299 INFO [stderr] 
Dec 11 10:26:21.299 INFO [stderr] warning: variant is never constructed: `Number`
Dec 11 10:26:21.299 INFO [stderr]   --> src/part0.rs:14:5
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr] 14 |     Number(i32),
Dec 11 10:26:21.299 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 10:26:21.299 INFO [stderr] 
Dec 11 10:26:21.299 INFO [stderr] warning: function is never used: `min_i32`
Dec 11 10:26:21.299 INFO [stderr]   --> src/part0.rs:45:1
Dec 11 10:26:21.299 INFO [stderr]    |
Dec 11 10:26:21.299 INFO [stderr] 45 | fn min_i32(a: i32, b: i32) -> i32 {
Dec 11 10:26:21.299 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:26:21.299 INFO [stderr] 
Dec 11 10:26:21.352 INFO [stderr] warning: unused variable: `el`
Dec 11 10:26:21.352 INFO [stderr]   --> src/part0.rs:24:9
Dec 11 10:26:21.352 INFO [stderr]    |
Dec 11 10:26:21.352 INFO [stderr] 24 |     for el in vec {
Dec 11 10:26:21.352 INFO [stderr]    |         ^^ help: consider using `_el` instead
Dec 11 10:26:21.352 INFO [stderr]    |
Dec 11 10:26:21.352 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 10:26:21.352 INFO [stderr] 
Dec 11 10:26:21.352 INFO [stderr] warning: unused variable: `n`
Dec 11 10:26:21.352 INFO [stderr]   --> src/part0.rs:35:20
Dec 11 10:26:21.352 INFO [stderr]    |
Dec 11 10:26:21.352 INFO [stderr] 35 |             Number(n) => {
Dec 11 10:26:21.352 INFO [stderr]    |                    ^ help: consider using `_n` instead
Dec 11 10:26:21.352 INFO [stderr] 
Dec 11 10:26:21.352 INFO [stderr] warning: unused variable: `n`
Dec 11 10:26:21.352 INFO [stderr]   --> src/part0.rs:70:28
Dec 11 10:26:21.352 INFO [stderr]    |
Dec 11 10:26:21.352 INFO [stderr] 70 | fn print_number_or_nothing(n: NumberOrNothing) {
Dec 11 10:26:21.352 INFO [stderr]    |                            ^ help: consider using `_n` instead
Dec 11 10:26:21.352 INFO [stderr] 
Dec 11 10:26:21.353 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:26:21.353 INFO [stderr]   --> src/part0.rs:21:9
Dec 11 10:26:21.353 INFO [stderr]    |
Dec 11 10:26:21.353 INFO [stderr] 21 |     let mut min = Nothing;
Dec 11 10:26:21.353 INFO [stderr]    |         ----^^^
Dec 11 10:26:21.353 INFO [stderr]    |         |
Dec 11 10:26:21.353 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:26:21.353 INFO [stderr]    |
Dec 11 10:26:21.353 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 10:26:21.353 INFO [stderr] 
Dec 11 10:26:21.354 INFO [stderr] warning: variant is never constructed: `Number`
Dec 11 10:26:21.354 INFO [stderr]   --> src/part0.rs:14:5
Dec 11 10:26:21.354 INFO [stderr]    |
Dec 11 10:26:21.354 INFO [stderr] 14 |     Number(i32),
Dec 11 10:26:21.354 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 10:26:21.354 INFO [stderr]    |
Dec 11 10:26:21.354 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 10:26:21.354 INFO [stderr] 
Dec 11 10:26:21.355 INFO [stderr] warning: function is never used: `min_i32`
Dec 11 10:26:21.355 INFO [stderr]   --> src/part0.rs:45:1
Dec 11 10:26:21.355 INFO [stderr]    |
Dec 11 10:26:21.355 INFO [stderr] 45 | fn min_i32(a: i32, b: i32) -> i32 {
Dec 11 10:26:21.355 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 10:26:21.355 INFO [stderr] 
Dec 11 10:26:21.373 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 11 10:26:21.373 INFO [stderr] su: No module specific data is present
Dec 11 10:26:21.760 INFO running `"docker" "inspect" "ec78498a44ea054c26dd0ea4535cae0322f101ce45c0708800ca876bdb17e31a"`
Dec 11 10:26:21.853 INFO running `"docker" "rm" "-f" "ec78498a44ea054c26dd0ea4535cae0322f101ce45c0708800ca876bdb17e31a"`
Dec 11 10:26:21.951 INFO [stdout] ec78498a44ea054c26dd0ea4535cae0322f101ce45c0708800ca876bdb17e31a