Dec 04 19:16:54.108 INFO checking eliheuer/gif-generator against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:16:54.109 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 19:16:54.594 INFO [stdout] e9467ee2eb0b0d9957334263473829e54142f6f3f716042d2dd9680da1c2b1a6
Dec 04 19:16:54.596 INFO running `"docker" "start" "-a" "e9467ee2eb0b0d9957334263473829e54142f6f3f716042d2dd9680da1c2b1a6"`
Dec 04 19:16:55.659 INFO [stderr] usermod: no changes
Dec 04 19:16:55.796 INFO [stderr]     Checking gif-generator v0.1.0 (/source)
Dec 04 19:16:56.443 INFO [stderr] warning: unused import: `std::io`
Dec 04 19:16:56.443 INFO [stderr]  --> src/main.rs:7:5
Dec 04 19:16:56.443 INFO [stderr]   |
Dec 04 19:16:56.443 INFO [stderr] 7 | use std::io;
Dec 04 19:16:56.443 INFO [stderr]   |     ^^^^^^^
Dec 04 19:16:56.443 INFO [stderr]   |
Dec 04 19:16:56.443 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:16:56.443 INFO [stderr] 
Dec 04 19:16:56.515 INFO [stderr] warning: unused import: `std::io`
Dec 04 19:16:56.515 INFO [stderr]  --> src/main.rs:7:5
Dec 04 19:16:56.515 INFO [stderr]   |
Dec 04 19:16:56.515 INFO [stderr] 7 | use std::io;
Dec 04 19:16:56.515 INFO [stderr]   |     ^^^^^^^
Dec 04 19:16:56.515 INFO [stderr]   |
Dec 04 19:16:56.515 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:16:56.515 INFO [stderr] 
Dec 04 19:16:56.562 INFO [stderr] warning: unused variable: `rand_col`
Dec 04 19:16:56.562 INFO [stderr]   --> src/main.rs:72:13
Dec 04 19:16:56.562 INFO [stderr]    |
Dec 04 19:16:56.562 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 04 19:16:56.562 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 04 19:16:56.562 INFO [stderr]    |
Dec 04 19:16:56.562 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:16:56.562 INFO [stderr] 
Dec 04 19:16:56.562 INFO [stderr] warning: unused variable: `ary_a`
Dec 04 19:16:56.562 INFO [stderr]   --> src/main.rs:83:13
Dec 04 19:16:56.562 INFO [stderr]    |
Dec 04 19:16:56.562 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 04 19:16:56.562 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 04 19:16:56.562 INFO [stderr] 
Dec 04 19:16:56.562 INFO [stderr] warning: unused variable: `ary_b`
Dec 04 19:16:56.562 INFO [stderr]   --> src/main.rs:99:13
Dec 04 19:16:56.562 INFO [stderr]    |
Dec 04 19:16:56.562 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 04 19:16:56.562 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 04 19:16:56.562 INFO [stderr] 
Dec 04 19:16:56.573 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:16:56.573 INFO [stderr]   --> src/main.rs:72:9
Dec 04 19:16:56.573 INFO [stderr]    |
Dec 04 19:16:56.573 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 04 19:16:56.573 INFO [stderr]    |         ----^^^^^^^^
Dec 04 19:16:56.573 INFO [stderr]    |         |
Dec 04 19:16:56.574 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:16:56.574 INFO [stderr]    |
Dec 04 19:16:56.574 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 19:16:56.574 INFO [stderr] 
Dec 04 19:16:56.574 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:16:56.574 INFO [stderr]   --> src/main.rs:83:9
Dec 04 19:16:56.574 INFO [stderr]    |
Dec 04 19:16:56.574 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 04 19:16:56.574 INFO [stderr]    |         ----^^^^^
Dec 04 19:16:56.574 INFO [stderr]    |         |
Dec 04 19:16:56.574 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:16:56.574 INFO [stderr] 
Dec 04 19:16:56.574 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:16:56.574 INFO [stderr]   --> src/main.rs:99:9
Dec 04 19:16:56.574 INFO [stderr]    |
Dec 04 19:16:56.574 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 04 19:16:56.574 INFO [stderr]    |         ----^^^^^
Dec 04 19:16:56.574 INFO [stderr]    |         |
Dec 04 19:16:56.574 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:16:56.574 INFO [stderr] 
Dec 04 19:16:56.627 INFO [stderr] warning: unused variable: `rand_col`
Dec 04 19:16:56.627 INFO [stderr]   --> src/main.rs:72:13
Dec 04 19:16:56.627 INFO [stderr]    |
Dec 04 19:16:56.627 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 04 19:16:56.627 INFO [stderr]    |             ^^^^^^^^ help: consider using `_rand_col` instead
Dec 04 19:16:56.627 INFO [stderr]    |
Dec 04 19:16:56.627 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 19:16:56.627 INFO [stderr] 
Dec 04 19:16:56.627 INFO [stderr] warning: unused variable: `ary_a`
Dec 04 19:16:56.627 INFO [stderr]   --> src/main.rs:83:13
Dec 04 19:16:56.627 INFO [stderr]    |
Dec 04 19:16:56.627 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 04 19:16:56.627 INFO [stderr]    |             ^^^^^ help: consider using `_ary_a` instead
Dec 04 19:16:56.627 INFO [stderr] 
Dec 04 19:16:56.627 INFO [stderr] warning: unused variable: `ary_b`
Dec 04 19:16:56.627 INFO [stderr]   --> src/main.rs:99:13
Dec 04 19:16:56.627 INFO [stderr]    |
Dec 04 19:16:56.627 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 04 19:16:56.627 INFO [stderr]    |             ^^^^^ help: consider using `_ary_b` instead
Dec 04 19:16:56.627 INFO [stderr] 
Dec 04 19:16:56.631 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:16:56.631 INFO [stderr]   --> src/main.rs:72:9
Dec 04 19:16:56.631 INFO [stderr]    |
Dec 04 19:16:56.631 INFO [stderr] 72 |     let mut rand_col: [u8; 256];
Dec 04 19:16:56.631 INFO [stderr]    |         ----^^^^^^^^
Dec 04 19:16:56.631 INFO [stderr]    |         |
Dec 04 19:16:56.631 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:16:56.631 INFO [stderr]    |
Dec 04 19:16:56.631 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 19:16:56.631 INFO [stderr] 
Dec 04 19:16:56.631 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:16:56.631 INFO [stderr]   --> src/main.rs:83:9
Dec 04 19:16:56.631 INFO [stderr]    |
Dec 04 19:16:56.631 INFO [stderr] 83 |     let mut ary_a: [u8; 256];
Dec 04 19:16:56.631 INFO [stderr]    |         ----^^^^^
Dec 04 19:16:56.631 INFO [stderr]    |         |
Dec 04 19:16:56.631 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:16:56.631 INFO [stderr] 
Dec 04 19:16:56.631 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:16:56.631 INFO [stderr]   --> src/main.rs:99:9
Dec 04 19:16:56.631 INFO [stderr]    |
Dec 04 19:16:56.631 INFO [stderr] 99 |     let mut ary_b: [u8; 256];
Dec 04 19:16:56.631 INFO [stderr]    |         ----^^^^^
Dec 04 19:16:56.631 INFO [stderr]    |         |
Dec 04 19:16:56.631 INFO [stderr]    |         help: remove this `mut`
Dec 04 19:16:56.631 INFO [stderr] 
Dec 04 19:16:56.650 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 04 19:16:56.651 INFO [stderr] su: No module specific data is present
Dec 04 19:16:57.165 INFO running `"docker" "inspect" "e9467ee2eb0b0d9957334263473829e54142f6f3f716042d2dd9680da1c2b1a6"`
Dec 04 19:16:57.376 INFO running `"docker" "rm" "-f" "e9467ee2eb0b0d9957334263473829e54142f6f3f716042d2dd9680da1c2b1a6"`
Dec 04 19:16:57.603 INFO [stdout] e9467ee2eb0b0d9957334263473829e54142f6f3f716042d2dd9680da1c2b1a6