Dec 11 19:06:36.270 INFO checking eliheuer/gif-generator against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:06:36.270 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 19:06:36.776 INFO [stdout] feb41563436f0efb248d803ad9a6a2c15051954e79097eb856789f9358160a65
Dec 11 19:06:36.782 INFO running `"docker" "start" "-a" "feb41563436f0efb248d803ad9a6a2c15051954e79097eb856789f9358160a65"`
Dec 11 19:06:38.307 INFO [stderr] usermod: no changes
Dec 11 19:06:38.408 INFO [stderr]     Checking gif-generator v0.1.0 (/source)
Dec 11 19:06:39.119 INFO [stderr] warning: unused import: `std::io`
Dec 11 19:06:39.119 INFO [stderr]  --> src/main.rs:7:5
Dec 11 19:06:39.119 INFO [stderr]   |
Dec 11 19:06:39.119 INFO [stderr] 7 | use std::io;
Dec 11 19:06:39.119 INFO [stderr]   |     ^^^^^^^
Dec 11 19:06:39.119 INFO [stderr]   |
Dec 11 19:06:39.119 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:06:39.119 INFO [stderr] 
Dec 11 19:06:39.300 INFO [stderr] warning: unused import: `std::io`
Dec 11 19:06:39.300 INFO [stderr]  --> src/main.rs:7:5
Dec 11 19:06:39.300 INFO [stderr]   |
Dec 11 19:06:39.300 INFO [stderr] 7 | use std::io;
Dec 11 19:06:39.300 INFO [stderr]   |     ^^^^^^^
Dec 11 19:06:39.300 INFO [stderr]   |
Dec 11 19:06:39.300 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 19:06:39.300 INFO [stderr] 
Dec 11 19:06:39.356 INFO [stderr] warning: unused variable: `rand_col`
Dec 11 19:06:39.356 INFO [stderr]   --> src/main.rs:72:13
Dec 11 19:06:39.356 INFO [stderr]    |
Dec 11 19:06:39.356 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:39.356 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 11 19:06:39.356 INFO [stderr]    |
Dec 11 19:06:39.356 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 19:06:39.356 INFO [stderr] 
Dec 11 19:06:39.356 INFO [stderr] warning: unused variable: `ary_a`
Dec 11 19:06:39.356 INFO [stderr]   --> src/main.rs:83:13
Dec 11 19:06:39.356 INFO [stderr]    |
Dec 11 19:06:39.356 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:39.356 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 11 19:06:39.356 INFO [stderr] 
Dec 11 19:06:39.356 INFO [stderr] warning: unused variable: `ary_b`
Dec 11 19:06:39.357 INFO [stderr]   --> src/main.rs:99:13
Dec 11 19:06:39.357 INFO [stderr]    |
Dec 11 19:06:39.357 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:39.357 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 11 19:06:39.357 INFO [stderr] 
Dec 11 19:06:39.368 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:39.368 INFO [stderr]   --> src/main.rs:72:9
Dec 11 19:06:39.368 INFO [stderr]    |
Dec 11 19:06:39.368 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:39.368 INFO [stderr]    |         ----^^^^^^^^
Dec 11 19:06:39.368 INFO [stderr]    |         |
Dec 11 19:06:39.368 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:39.368 INFO [stderr]    |
Dec 11 19:06:39.368 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 19:06:39.368 INFO [stderr] 
Dec 11 19:06:39.368 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:39.368 INFO [stderr]   --> src/main.rs:83:9
Dec 11 19:06:39.368 INFO [stderr]    |
Dec 11 19:06:39.368 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:39.368 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:39.368 INFO [stderr]    |         |
Dec 11 19:06:39.368 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:39.368 INFO [stderr] 
Dec 11 19:06:39.368 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:39.368 INFO [stderr]   --> src/main.rs:99:9
Dec 11 19:06:39.369 INFO [stderr]    |
Dec 11 19:06:39.369 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:39.369 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:39.369 INFO [stderr]    |         |
Dec 11 19:06:39.369 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:39.369 INFO [stderr] 
Dec 11 19:06:39.444 INFO [stderr] warning: unused variable: `rand_col`
Dec 11 19:06:39.444 INFO [stderr]   --> src/main.rs:72:13
Dec 11 19:06:39.444 INFO [stderr]    |
Dec 11 19:06:39.444 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:39.444 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 11 19:06:39.444 INFO [stderr]    |
Dec 11 19:06:39.444 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 19:06:39.444 INFO [stderr] 
Dec 11 19:06:39.444 INFO [stderr] warning: unused variable: `ary_a`
Dec 11 19:06:39.444 INFO [stderr]   --> src/main.rs:83:13
Dec 11 19:06:39.444 INFO [stderr]    |
Dec 11 19:06:39.444 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:39.444 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 11 19:06:39.444 INFO [stderr] 
Dec 11 19:06:39.444 INFO [stderr] warning: unused variable: `ary_b`
Dec 11 19:06:39.444 INFO [stderr]   --> src/main.rs:99:13
Dec 11 19:06:39.444 INFO [stderr]    |
Dec 11 19:06:39.444 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:39.444 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 11 19:06:39.444 INFO [stderr] 
Dec 11 19:06:39.448 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:39.448 INFO [stderr]   --> src/main.rs:72:9
Dec 11 19:06:39.448 INFO [stderr]    |
Dec 11 19:06:39.448 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 11 19:06:39.448 INFO [stderr]    |         ----^^^^^^^^
Dec 11 19:06:39.448 INFO [stderr]    |         |
Dec 11 19:06:39.448 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:39.448 INFO [stderr]    |
Dec 11 19:06:39.448 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 19:06:39.448 INFO [stderr] 
Dec 11 19:06:39.448 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:39.448 INFO [stderr]   --> src/main.rs:83:9
Dec 11 19:06:39.448 INFO [stderr]    |
Dec 11 19:06:39.448 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 11 19:06:39.448 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:39.448 INFO [stderr]    |         |
Dec 11 19:06:39.448 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:39.448 INFO [stderr] 
Dec 11 19:06:39.448 INFO [stderr] warning: variable does not need to be mutable
Dec 11 19:06:39.448 INFO [stderr]   --> src/main.rs:99:9
Dec 11 19:06:39.448 INFO [stderr]    |
Dec 11 19:06:39.448 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 11 19:06:39.448 INFO [stderr]    |         ----^^^^^
Dec 11 19:06:39.448 INFO [stderr]    |         |
Dec 11 19:06:39.448 INFO [stderr]    |         help: remove this `mut`
Dec 11 19:06:39.448 INFO [stderr] 
Dec 11 19:06:39.461 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 11 19:06:39.464 INFO [stderr] su: No module specific data is present
Dec 11 19:06:40.389 INFO running `"docker" "inspect" "feb41563436f0efb248d803ad9a6a2c15051954e79097eb856789f9358160a65"`
Dec 11 19:06:40.826 INFO running `"docker" "rm" "-f" "feb41563436f0efb248d803ad9a6a2c15051954e79097eb856789f9358160a65"`
Dec 11 19:06:41.020 INFO [stdout] feb41563436f0efb248d803ad9a6a2c15051954e79097eb856789f9358160a65