Dec 18 17:27:12.163 INFO checking colorful-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:27:12.163 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/colorful/0.1.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:27:12.359 INFO [stdout] 8ecc77d1e7f9cbbc99687789a5070875a3f4e1b9bd4fdca35771926330bb183f
Dec 18 17:27:12.361 INFO running `"docker" "start" "-a" "8ecc77d1e7f9cbbc99687789a5070875a3f4e1b9bd4fdca35771926330bb183f"`
Dec 18 17:27:12.915 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 18 17:27:12.915 INFO [stderr]     Checking colorful v0.1.0 (/opt/crater/workdir)
Dec 18 17:27:13.164 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 18 17:27:13.164 INFO [stderr]  --> src/core/colors.rs:1:5
Dec 18 17:27:13.164 INFO [stderr]   |
Dec 18 17:27:13.164 INFO [stderr] 1 | use std::fmt::Display;
Dec 18 17:27:13.164 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 17:27:13.164 INFO [stderr]   |
Dec 18 17:27:13.164 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:27:13.164 INFO [stderr] 
Dec 18 17:27:13.164 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 18 17:27:13.164 INFO [stderr]  --> src/core/colors.rs:2:5
Dec 18 17:27:13.164 INFO [stderr]   |
Dec 18 17:27:13.164 INFO [stderr] 2 | use std::fmt::Formatter;
Dec 18 17:27:13.164 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 17:27:13.164 INFO [stderr] 
Dec 18 17:27:13.164 INFO [stderr] warning: unused import: `std::fmt::Result as FmtResult`
Dec 18 17:27:13.164 INFO [stderr]  --> src/core/colors.rs:3:5
Dec 18 17:27:13.164 INFO [stderr]   |
Dec 18 17:27:13.164 INFO [stderr] 3 | use std::fmt::Result as FmtResult;
Dec 18 17:27:13.164 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:27:13.164 INFO [stderr] 
Dec 18 17:27:13.204 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 18 17:27:13.204 INFO [stderr]  --> src/core/colors.rs:1:5
Dec 18 17:27:13.204 INFO [stderr]   |
Dec 18 17:27:13.204 INFO [stderr] 1 | use std::fmt::Display;
Dec 18 17:27:13.204 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 17:27:13.204 INFO [stderr]   |
Dec 18 17:27:13.204 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:27:13.204 INFO [stderr] 
Dec 18 17:27:13.204 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 18 17:27:13.204 INFO [stderr]  --> src/core/colors.rs:2:5
Dec 18 17:27:13.204 INFO [stderr]   |
Dec 18 17:27:13.204 INFO [stderr] 2 | use std::fmt::Formatter;
Dec 18 17:27:13.204 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 17:27:13.204 INFO [stderr] 
Dec 18 17:27:13.204 INFO [stderr] warning: unused import: `std::fmt::Result as FmtResult`
Dec 18 17:27:13.204 INFO [stderr]  --> src/core/colors.rs:3:5
Dec 18 17:27:13.204 INFO [stderr]   |
Dec 18 17:27:13.204 INFO [stderr] 3 | use std::fmt::Result as FmtResult;
Dec 18 17:27:13.204 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:27:13.204 INFO [stderr] 
Dec 18 17:27:13.452 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:27:13.452 INFO [stderr]    --> src/core/colors.rs:579:9
Dec 18 17:27:13.452 INFO [stderr]     |
Dec 18 17:27:13.452 INFO [stderr] 579 |     let mut red: f32;
Dec 18 17:27:13.452 INFO [stderr]     |         ----^^^
Dec 18 17:27:13.452 INFO [stderr]     |         |
Dec 18 17:27:13.452 INFO [stderr]     |         help: remove this `mut`
Dec 18 17:27:13.452 INFO [stderr]     |
Dec 18 17:27:13.452 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 17:27:13.452 INFO [stderr] 
Dec 18 17:27:13.452 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:27:13.452 INFO [stderr]    --> src/core/colors.rs:580:9
Dec 18 17:27:13.452 INFO [stderr]     |
Dec 18 17:27:13.452 INFO [stderr] 580 |     let mut green: f32;
Dec 18 17:27:13.452 INFO [stderr]     |         ----^^^^^
Dec 18 17:27:13.452 INFO [stderr]     |         |
Dec 18 17:27:13.452 INFO [stderr]     |         help: remove this `mut`
Dec 18 17:27:13.452 INFO [stderr] 
Dec 18 17:27:13.452 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:27:13.452 INFO [stderr]    --> src/core/colors.rs:581:9
Dec 18 17:27:13.452 INFO [stderr]     |
Dec 18 17:27:13.452 INFO [stderr] 581 |     let mut blue: f32;
Dec 18 17:27:13.452 INFO [stderr]     |         ----^^^^
Dec 18 17:27:13.452 INFO [stderr]     |         |
Dec 18 17:27:13.452 INFO [stderr]     |         help: remove this `mut`
Dec 18 17:27:13.452 INFO [stderr] 
Dec 18 17:27:13.539 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:27:13.539 INFO [stderr]    --> src/core/colors.rs:579:9
Dec 18 17:27:13.539 INFO [stderr]     |
Dec 18 17:27:13.539 INFO [stderr] 579 |     let mut red: f32;
Dec 18 17:27:13.539 INFO [stderr]     |         ----^^^
Dec 18 17:27:13.539 INFO [stderr]     |         |
Dec 18 17:27:13.539 INFO [stderr]     |         help: remove this `mut`
Dec 18 17:27:13.539 INFO [stderr]     |
Dec 18 17:27:13.539 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 17:27:13.539 INFO [stderr] 
Dec 18 17:27:13.539 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:27:13.539 INFO [stderr]    --> src/core/colors.rs:580:9
Dec 18 17:27:13.539 INFO [stderr]     |
Dec 18 17:27:13.539 INFO [stderr] 580 |     let mut green: f32;
Dec 18 17:27:13.539 INFO [stderr]     |         ----^^^^^
Dec 18 17:27:13.539 INFO [stderr]     |         |
Dec 18 17:27:13.539 INFO [stderr]     |         help: remove this `mut`
Dec 18 17:27:13.539 INFO [stderr] 
Dec 18 17:27:13.539 INFO [stderr] warning: variable does not need to be mutable
Dec 18 17:27:13.540 INFO [stderr]    --> src/core/colors.rs:581:9
Dec 18 17:27:13.540 INFO [stderr]     |
Dec 18 17:27:13.540 INFO [stderr] 581 |     let mut blue: f32;
Dec 18 17:27:13.540 INFO [stderr]     |         ----^^^^
Dec 18 17:27:13.540 INFO [stderr]     |         |
Dec 18 17:27:13.540 INFO [stderr]     |         help: remove this `mut`
Dec 18 17:27:13.540 INFO [stderr] 
Dec 18 17:27:14.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Dec 18 17:27:14.330 INFO running `"docker" "inspect" "8ecc77d1e7f9cbbc99687789a5070875a3f4e1b9bd4fdca35771926330bb183f"`
Dec 18 17:27:14.430 INFO running `"docker" "rm" "-f" "8ecc77d1e7f9cbbc99687789a5070875a3f4e1b9bd4fdca35771926330bb183f"`
Dec 18 17:27:14.574 INFO [stdout] 8ecc77d1e7f9cbbc99687789a5070875a3f4e1b9bd4fdca35771926330bb183f