Dec 12 16:29:10.985 INFO checking colorful-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 16:29:10.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 12 16:29:11.528 INFO [stdout] 97c6eb1237db407c9f1371cc2e67359f3ef959ca2a5e00f356e331180b88550c
Dec 12 16:29:11.530 INFO running `"docker" "start" "-a" "97c6eb1237db407c9f1371cc2e67359f3ef959ca2a5e00f356e331180b88550c"`
Dec 12 16:29:13.208 INFO [stderr] usermod: no changes
Dec 12 16:29:13.264 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 12 16:29:13.288 INFO [stderr]     Checking colorful v0.1.0 (/source)
Dec 12 16:29:14.420 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 12 16:29:14.420 INFO [stderr]  --> src/core/colors.rs:1:5
Dec 12 16:29:14.420 INFO [stderr]   |
Dec 12 16:29:14.420 INFO [stderr] 1 | use std::fmt::Display;
Dec 12 16:29:14.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 16:29:14.420 INFO [stderr]   |
Dec 12 16:29:14.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:29:14.420 INFO [stderr] 
Dec 12 16:29:14.420 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 12 16:29:14.420 INFO [stderr]  --> src/core/colors.rs:2:5
Dec 12 16:29:14.420 INFO [stderr]   |
Dec 12 16:29:14.420 INFO [stderr] 2 | use std::fmt::Formatter;
Dec 12 16:29:14.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 16:29:14.420 INFO [stderr] 
Dec 12 16:29:14.420 INFO [stderr] warning: unused import: `std::fmt::Result as FmtResult`
Dec 12 16:29:14.420 INFO [stderr]  --> src/core/colors.rs:3:5
Dec 12 16:29:14.420 INFO [stderr]   |
Dec 12 16:29:14.420 INFO [stderr] 3 | use std::fmt::Result as FmtResult;
Dec 12 16:29:14.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:29:14.420 INFO [stderr] 
Dec 12 16:29:14.480 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 12 16:29:14.480 INFO [stderr]  --> src/core/colors.rs:1:5
Dec 12 16:29:14.480 INFO [stderr]   |
Dec 12 16:29:14.480 INFO [stderr] 1 | use std::fmt::Display;
Dec 12 16:29:14.480 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 12 16:29:14.480 INFO [stderr]   |
Dec 12 16:29:14.480 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:29:14.480 INFO [stderr] 
Dec 12 16:29:14.480 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 12 16:29:14.480 INFO [stderr]  --> src/core/colors.rs:2:5
Dec 12 16:29:14.480 INFO [stderr]   |
Dec 12 16:29:14.480 INFO [stderr] 2 | use std::fmt::Formatter;
Dec 12 16:29:14.480 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 16:29:14.480 INFO [stderr] 
Dec 12 16:29:14.480 INFO [stderr] warning: unused import: `std::fmt::Result as FmtResult`
Dec 12 16:29:14.480 INFO [stderr]  --> src/core/colors.rs:3:5
Dec 12 16:29:14.480 INFO [stderr]   |
Dec 12 16:29:14.480 INFO [stderr] 3 | use std::fmt::Result as FmtResult;
Dec 12 16:29:14.480 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:29:14.480 INFO [stderr] 
Dec 12 16:29:14.644 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:29:14.644 INFO [stderr]    --> src/core/colors.rs:579:9
Dec 12 16:29:14.644 INFO [stderr]     |
Dec 12 16:29:14.644 INFO [stderr] 579 |     let mut red: f32;
Dec 12 16:29:14.644 INFO [stderr]     |         ----^^^
Dec 12 16:29:14.644 INFO [stderr]     |         |
Dec 12 16:29:14.644 INFO [stderr]     |         help: remove this `mut`
Dec 12 16:29:14.644 INFO [stderr]     |
Dec 12 16:29:14.644 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 16:29:14.644 INFO [stderr] 
Dec 12 16:29:14.644 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:29:14.644 INFO [stderr]    --> src/core/colors.rs:580:9
Dec 12 16:29:14.644 INFO [stderr]     |
Dec 12 16:29:14.644 INFO [stderr] 580 |     let mut green: f32;
Dec 12 16:29:14.644 INFO [stderr]     |         ----^^^^^
Dec 12 16:29:14.644 INFO [stderr]     |         |
Dec 12 16:29:14.644 INFO [stderr]     |         help: remove this `mut`
Dec 12 16:29:14.644 INFO [stderr] 
Dec 12 16:29:14.648 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:29:14.648 INFO [stderr]    --> src/core/colors.rs:581:9
Dec 12 16:29:14.648 INFO [stderr]     |
Dec 12 16:29:14.648 INFO [stderr] 581 |     let mut blue: f32;
Dec 12 16:29:14.648 INFO [stderr]     |         ----^^^^
Dec 12 16:29:14.648 INFO [stderr]     |         |
Dec 12 16:29:14.648 INFO [stderr]     |         help: remove this `mut`
Dec 12 16:29:14.648 INFO [stderr] 
Dec 12 16:29:15.352 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:29:15.352 INFO [stderr]    --> src/core/colors.rs:579:9
Dec 12 16:29:15.352 INFO [stderr]     |
Dec 12 16:29:15.352 INFO [stderr] 579 |     let mut red: f32;
Dec 12 16:29:15.352 INFO [stderr]     |         ----^^^
Dec 12 16:29:15.352 INFO [stderr]     |         |
Dec 12 16:29:15.352 INFO [stderr]     |         help: remove this `mut`
Dec 12 16:29:15.352 INFO [stderr]     |
Dec 12 16:29:15.352 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 16:29:15.352 INFO [stderr] 
Dec 12 16:29:15.352 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:29:15.352 INFO [stderr]    --> src/core/colors.rs:580:9
Dec 12 16:29:15.352 INFO [stderr]     |
Dec 12 16:29:15.352 INFO [stderr] 580 |     let mut green: f32;
Dec 12 16:29:15.352 INFO [stderr]     |         ----^^^^^
Dec 12 16:29:15.352 INFO [stderr]     |         |
Dec 12 16:29:15.352 INFO [stderr]     |         help: remove this `mut`
Dec 12 16:29:15.352 INFO [stderr] 
Dec 12 16:29:15.352 INFO [stderr] warning: variable does not need to be mutable
Dec 12 16:29:15.352 INFO [stderr]    --> src/core/colors.rs:581:9
Dec 12 16:29:15.352 INFO [stderr]     |
Dec 12 16:29:15.352 INFO [stderr] 581 |     let mut blue: f32;
Dec 12 16:29:15.352 INFO [stderr]     |         ----^^^^
Dec 12 16:29:15.352 INFO [stderr]     |         |
Dec 12 16:29:15.352 INFO [stderr]     |         help: remove this `mut`
Dec 12 16:29:15.352 INFO [stderr] 
Dec 12 16:29:17.098 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
Dec 12 16:29:17.102 INFO [stderr] su: No module specific data is present
Dec 12 16:29:17.766 INFO running `"docker" "inspect" "97c6eb1237db407c9f1371cc2e67359f3ef959ca2a5e00f356e331180b88550c"`
Dec 12 16:29:18.016 INFO running `"docker" "rm" "-f" "97c6eb1237db407c9f1371cc2e67359f3ef959ca2a5e00f356e331180b88550c"`
Dec 12 16:29:18.306 INFO [stdout] 97c6eb1237db407c9f1371cc2e67359f3ef959ca2a5e00f356e331180b88550c