Dec 19 17:28:18.408 INFO checking eliheuer/gif-generator against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:28:18.408 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/eliheuer/gif-generator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:28:18.826 INFO [stdout] 6979be8b3d8a0d3443b5f92b298233d45d9a4e34a2a134e447c4258a80c927c8
Dec 19 17:28:18.828 INFO running `"docker" "start" "-a" "6979be8b3d8a0d3443b5f92b298233d45d9a4e34a2a134e447c4258a80c927c8"`
Dec 19 17:28:20.748 INFO [stderr]     Checking gif-generator v0.1.0 (/opt/crater/workdir)
Dec 19 17:28:21.088 INFO [stderr] warning: unused import: `std::io`
Dec 19 17:28:21.088 INFO [stderr]  --> src/main.rs:7:5
Dec 19 17:28:21.088 INFO [stderr]   |
Dec 19 17:28:21.088 INFO [stderr] 7 | use std::io;
Dec 19 17:28:21.088 INFO [stderr]   |     ^^^^^^^
Dec 19 17:28:21.088 INFO [stderr]   |
Dec 19 17:28:21.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:28:21.088 INFO [stderr] 
Dec 19 17:28:21.135 INFO [stderr] warning: unused import: `std::io`
Dec 19 17:28:21.135 INFO [stderr]  --> src/main.rs:7:5
Dec 19 17:28:21.135 INFO [stderr]   |
Dec 19 17:28:21.135 INFO [stderr] 7 | use std::io;
Dec 19 17:28:21.135 INFO [stderr]   |     ^^^^^^^
Dec 19 17:28:21.135 INFO [stderr]   |
Dec 19 17:28:21.135 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:28:21.135 INFO [stderr] 
Dec 19 17:28:21.216 INFO [stderr] warning: unused variable: `rand_col`
Dec 19 17:28:21.216 INFO [stderr]   --> src/main.rs:72:13
Dec 19 17:28:21.216 INFO [stderr]    |
Dec 19 17:28:21.216 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 19 17:28:21.216 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 19 17:28:21.216 INFO [stderr]    |
Dec 19 17:28:21.216 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:28:21.216 INFO [stderr] 
Dec 19 17:28:21.216 INFO [stderr] warning: unused variable: `ary_a`
Dec 19 17:28:21.216 INFO [stderr]   --> src/main.rs:83:13
Dec 19 17:28:21.216 INFO [stderr]    |
Dec 19 17:28:21.216 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 19 17:28:21.216 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 19 17:28:21.220 INFO [stderr] 
Dec 19 17:28:21.220 INFO [stderr] warning: unused variable: `ary_b`
Dec 19 17:28:21.220 INFO [stderr]   --> src/main.rs:99:13
Dec 19 17:28:21.220 INFO [stderr]    |
Dec 19 17:28:21.220 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 19 17:28:21.220 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 19 17:28:21.220 INFO [stderr] 
Dec 19 17:28:21.228 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:28:21.228 INFO [stderr]   --> src/main.rs:72:9
Dec 19 17:28:21.228 INFO [stderr]    |
Dec 19 17:28:21.228 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 19 17:28:21.228 INFO [stderr]    |         ----^^^^^^^^
Dec 19 17:28:21.228 INFO [stderr]    |         |
Dec 19 17:28:21.228 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:28:21.228 INFO [stderr]    |
Dec 19 17:28:21.228 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:28:21.228 INFO [stderr] 
Dec 19 17:28:21.228 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:28:21.228 INFO [stderr]   --> src/main.rs:83:9
Dec 19 17:28:21.228 INFO [stderr]    |
Dec 19 17:28:21.228 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 19 17:28:21.228 INFO [stderr]    |         ----^^^^^
Dec 19 17:28:21.228 INFO [stderr]    |         |
Dec 19 17:28:21.228 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:28:21.228 INFO [stderr] 
Dec 19 17:28:21.228 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:28:21.228 INFO [stderr]   --> src/main.rs:99:9
Dec 19 17:28:21.228 INFO [stderr]    |
Dec 19 17:28:21.228 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 19 17:28:21.228 INFO [stderr]    |         ----^^^^^
Dec 19 17:28:21.228 INFO [stderr]    |         |
Dec 19 17:28:21.228 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:28:21.229 INFO [stderr] 
Dec 19 17:28:21.268 INFO [stderr] warning: unused variable: `rand_col`
Dec 19 17:28:21.268 INFO [stderr]   --> src/main.rs:72:13
Dec 19 17:28:21.268 INFO [stderr]    |
Dec 19 17:28:21.268 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 19 17:28:21.268 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 19 17:28:21.268 INFO [stderr]    |
Dec 19 17:28:21.268 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:28:21.269 INFO [stderr] 
Dec 19 17:28:21.269 INFO [stderr] warning: unused variable: `ary_a`
Dec 19 17:28:21.269 INFO [stderr]   --> src/main.rs:83:13
Dec 19 17:28:21.269 INFO [stderr]    |
Dec 19 17:28:21.269 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 19 17:28:21.269 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 19 17:28:21.270 INFO [stderr] 
Dec 19 17:28:21.270 INFO [stderr] warning: unused variable: `ary_b`
Dec 19 17:28:21.270 INFO [stderr]   --> src/main.rs:99:13
Dec 19 17:28:21.270 INFO [stderr]    |
Dec 19 17:28:21.270 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 19 17:28:21.270 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 19 17:28:21.270 INFO [stderr] 
Dec 19 17:28:21.286 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:28:21.287 INFO [stderr]   --> src/main.rs:72:9
Dec 19 17:28:21.287 INFO [stderr]    |
Dec 19 17:28:21.287 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 19 17:28:21.287 INFO [stderr]    |         ----^^^^^^^^
Dec 19 17:28:21.288 INFO [stderr]    |         |
Dec 19 17:28:21.288 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:28:21.288 INFO [stderr]    |
Dec 19 17:28:21.288 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:28:21.288 INFO [stderr] 
Dec 19 17:28:21.289 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:28:21.289 INFO [stderr]   --> src/main.rs:83:9
Dec 19 17:28:21.289 INFO [stderr]    |
Dec 19 17:28:21.289 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 19 17:28:21.289 INFO [stderr]    |         ----^^^^^
Dec 19 17:28:21.289 INFO [stderr]    |         |
Dec 19 17:28:21.289 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:28:21.289 INFO [stderr] 
Dec 19 17:28:21.289 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:28:21.289 INFO [stderr]   --> src/main.rs:99:9
Dec 19 17:28:21.289 INFO [stderr]    |
Dec 19 17:28:21.289 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 19 17:28:21.289 INFO [stderr]    |         ----^^^^^
Dec 19 17:28:21.289 INFO [stderr]    |         |
Dec 19 17:28:21.289 INFO [stderr]    |         help: remove this `mut`
Dec 19 17:28:21.289 INFO [stderr] 
Dec 19 17:28:21.319 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 19 17:28:22.336 INFO running `"docker" "inspect" "6979be8b3d8a0d3443b5f92b298233d45d9a4e34a2a134e447c4258a80c927c8"`
Dec 19 17:28:22.636 INFO running `"docker" "rm" "-f" "6979be8b3d8a0d3443b5f92b298233d45d9a4e34a2a134e447c4258a80c927c8"`
Dec 19 17:28:23.016 INFO [stdout] 6979be8b3d8a0d3443b5f92b298233d45d9a4e34a2a134e447c4258a80c927c8