Dec 11 19:06:31.553 INFO checking eliheuer/gif-generator against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 19:06:31.554 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 19:06:32.012 INFO [stdout] d6534a6146ab068bc167cf6bb05cc8ce14f135cdf280ee89643e1783becd4872
Dec 11 19:06:32.014 INFO running `"docker" "start" "-a" "d6534a6146ab068bc167cf6bb05cc8ce14f135cdf280ee89643e1783becd4872"`
Dec 11 19:06:34.328 INFO [stderr] usermod: no changes
Dec 11 19:06:34.441 INFO [stderr]     Checking gif-generator v0.1.0 (/source)
Dec 11 19:06:35.220 INFO [stderr] warning: unused import: `std::io`
Dec 11 19:06:35.220 INFO [stderr]  --> src/main.rs:7:5
Dec 11 19:06:35.220 INFO [stderr]   |
Dec 11 19:06:35.220 INFO [stderr] 7 | use std::io;
Dec 11 19:06:35.220 INFO [stderr]   |     ^^^^^^^
Dec 11 19:06:35.220 INFO [stderr]   |
Dec 11 19:06:35.220 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:06:35.220 INFO [stderr] 
Dec 11 19:06:35.336 INFO [stderr] warning: unused import: `std::io`
Dec 11 19:06:35.336 INFO [stderr]  --> src/main.rs:7:5
Dec 11 19:06:35.336 INFO [stderr]   |
Dec 11 19:06:35.336 INFO [stderr] 7 | use std::io;
Dec 11 19:06:35.336 INFO [stderr]   |     ^^^^^^^
Dec 11 19:06:35.336 INFO [stderr]   |
Dec 11 19:06:35.336 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:06:35.336 INFO [stderr] 
Dec 11 19:06:35.382 INFO [stderr] warning: unused variable: `rand_col`
Dec 11 19:06:35.382 INFO [stderr]   --> src/main.rs:72:13
Dec 11 19:06:35.382 INFO [stderr]    |
Dec 11 19:06:35.382 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:35.382 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 11 19:06:35.382 INFO [stderr]    |
Dec 11 19:06:35.382 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 19:06:35.382 INFO [stderr] 
Dec 11 19:06:35.382 INFO [stderr] warning: unused variable: `ary_a`
Dec 11 19:06:35.382 INFO [stderr]   --> src/main.rs:83:13
Dec 11 19:06:35.382 INFO [stderr]    |
Dec 11 19:06:35.382 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:35.382 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 11 19:06:35.382 INFO [stderr] 
Dec 11 19:06:35.382 INFO [stderr] warning: unused variable: `ary_b`
Dec 11 19:06:35.382 INFO [stderr]   --> src/main.rs:99:13
Dec 11 19:06:35.383 INFO [stderr]    |
Dec 11 19:06:35.383 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:35.383 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 11 19:06:35.383 INFO [stderr] 
Dec 11 19:06:35.400 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:35.400 INFO [stderr]   --> src/main.rs:72:9
Dec 11 19:06:35.401 INFO [stderr]    |
Dec 11 19:06:35.401 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:35.401 INFO [stderr]    |         ----^^^^^^^^
Dec 11 19:06:35.401 INFO [stderr]    |         |
Dec 11 19:06:35.401 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:35.401 INFO [stderr]    |
Dec 11 19:06:35.401 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 19:06:35.401 INFO [stderr] 
Dec 11 19:06:35.401 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:35.401 INFO [stderr]   --> src/main.rs:83:9
Dec 11 19:06:35.401 INFO [stderr]    |
Dec 11 19:06:35.401 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:35.401 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:35.401 INFO [stderr]    |         |
Dec 11 19:06:35.401 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:35.401 INFO [stderr] 
Dec 11 19:06:35.401 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:35.401 INFO [stderr]   --> src/main.rs:99:9
Dec 11 19:06:35.401 INFO [stderr]    |
Dec 11 19:06:35.401 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:35.401 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:35.401 INFO [stderr]    |         |
Dec 11 19:06:35.402 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:35.402 INFO [stderr] 
Dec 11 19:06:35.497 INFO [stderr] warning: unused variable: `rand_col`
Dec 11 19:06:35.497 INFO [stderr]   --> src/main.rs:72:13
Dec 11 19:06:35.497 INFO [stderr]    |
Dec 11 19:06:35.497 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:35.498 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 11 19:06:35.498 INFO [stderr]    |
Dec 11 19:06:35.498 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 19:06:35.498 INFO [stderr] 
Dec 11 19:06:35.498 INFO [stderr] warning: unused variable: `ary_a`
Dec 11 19:06:35.498 INFO [stderr]   --> src/main.rs:83:13
Dec 11 19:06:35.498 INFO [stderr]    |
Dec 11 19:06:35.498 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:35.498 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 11 19:06:35.498 INFO [stderr] 
Dec 11 19:06:35.498 INFO [stderr] warning: unused variable: `ary_b`
Dec 11 19:06:35.498 INFO [stderr]   --> src/main.rs:99:13
Dec 11 19:06:35.498 INFO [stderr]    |
Dec 11 19:06:35.498 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:35.498 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 11 19:06:35.498 INFO [stderr] 
Dec 11 19:06:35.514 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:35.514 INFO [stderr]   --> src/main.rs:72:9
Dec 11 19:06:35.514 INFO [stderr]    |
Dec 11 19:06:35.514 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:35.514 INFO [stderr]    |         ----^^^^^^^^
Dec 11 19:06:35.514 INFO [stderr]    |         |
Dec 11 19:06:35.514 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:35.514 INFO [stderr]    |
Dec 11 19:06:35.514 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 19:06:35.514 INFO [stderr] 
Dec 11 19:06:35.514 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:35.514 INFO [stderr]   --> src/main.rs:83:9
Dec 11 19:06:35.514 INFO [stderr]    |
Dec 11 19:06:35.514 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:35.514 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:35.514 INFO [stderr]    |         |
Dec 11 19:06:35.514 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:35.514 INFO [stderr] 
Dec 11 19:06:35.514 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:35.514 INFO [stderr]   --> src/main.rs:99:9
Dec 11 19:06:35.514 INFO [stderr]    |
Dec 11 19:06:35.514 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:35.514 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:35.514 INFO [stderr]    |         |
Dec 11 19:06:35.514 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:35.514 INFO [stderr] 
Dec 11 19:06:35.549 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 11 19:06:35.552 INFO [stderr] su: No module specific data is present
Dec 11 19:06:36.650 INFO running `"docker" "inspect" "d6534a6146ab068bc167cf6bb05cc8ce14f135cdf280ee89643e1783becd4872"`
Dec 11 19:06:37.058 INFO running `"docker" "rm" "-f" "d6534a6146ab068bc167cf6bb05cc8ce14f135cdf280ee89643e1783becd4872"`
Dec 11 19:06:37.372 INFO [stdout] d6534a6146ab068bc167cf6bb05cc8ce14f135cdf280ee89643e1783becd4872