Dec 04 22:19:24.659 INFO checking asitacko/guessing_game against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:19:24.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 22:19:24.983 INFO [stdout] 4889ba67683af3fcc5ebd8e149eae803848f41b92a6afc596e4a3a06f13c376d
Dec 04 22:19:24.990 INFO running `"docker" "start" "-a" "4889ba67683af3fcc5ebd8e149eae803848f41b92a6afc596e4a3a06f13c376d"`
Dec 04 22:19:26.072 INFO [stderr] usermod: no changes
Dec 04 22:19:26.167 INFO [stderr]    Compiling ring v0.13.0-alpha5
Dec 04 22:19:32.291 INFO [stderr]     Checking guessing_game v0.1.0 (/source)
Dec 04 22:19:32.863 INFO [stderr] warning: unused imports: `Display`, `Formatter`, `self`
Dec 04 22:19:32.863 INFO [stderr]  --> src/main.rs:1:16
Dec 04 22:19:32.863 INFO [stderr]   |
Dec 04 22:19:32.863 INFO [stderr] 1 | use std::fmt::{self, Formatter, Display};
Dec 04 22:19:32.863 INFO [stderr]   |                ^^^^  ^^^^^^^^^  ^^^^^^^
Dec 04 22:19:32.863 INFO [stderr]   |
Dec 04 22:19:32.863 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 22:19:32.863 INFO [stderr] 
Dec 04 22:19:32.903 INFO [stderr] warning: unused variable: `time`
Dec 04 22:19:32.903 INFO [stderr]   --> src/main.rs:56:13
Dec 04 22:19:32.903 INFO [stderr]    |
Dec 04 22:19:32.903 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 04 22:19:32.903 INFO [stderr]    |             ^^^^ help: consider using `_time` instead
Dec 04 22:19:32.903 INFO [stderr]    |
Dec 04 22:19:32.903 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:19:32.903 INFO [stderr] 
Dec 04 22:19:32.911 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:19:32.911 INFO [stderr]   --> src/main.rs:53:9
Dec 04 22:19:32.911 INFO [stderr]    |
Dec 04 22:19:32.911 INFO [stderr] 53 |     let mut b = vec!(B::create(2));
Dec 04 22:19:32.911 INFO [stderr]    |         ----^
Dec 04 22:19:32.911 INFO [stderr]    |         |
Dec 04 22:19:32.911 INFO [stderr]    |         help: remove this `mut`
Dec 04 22:19:32.911 INFO [stderr]    |
Dec 04 22:19:32.911 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 22:19:32.911 INFO [stderr] 
Dec 04 22:19:32.911 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:19:32.911 INFO [stderr]   --> src/main.rs:54:9
Dec 04 22:19:32.911 INFO [stderr]    |
Dec 04 22:19:32.911 INFO [stderr] 54 |     let mut a = A::create(1, b);
Dec 04 22:19:32.911 INFO [stderr]    |         ----^
Dec 04 22:19:32.911 INFO [stderr]    |         |
Dec 04 22:19:32.911 INFO [stderr]    |         help: remove this `mut`
Dec 04 22:19:32.911 INFO [stderr] 
Dec 04 22:19:32.911 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:19:32.911 INFO [stderr]   --> src/main.rs:56:9
Dec 04 22:19:32.911 INFO [stderr]    |
Dec 04 22:19:32.911 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 04 22:19:32.911 INFO [stderr]    |         ----^^^^
Dec 04 22:19:32.911 INFO [stderr]    |         |
Dec 04 22:19:32.911 INFO [stderr]    |         help: remove this `mut`
Dec 04 22:19:32.911 INFO [stderr] 
Dec 04 22:19:33.195 INFO [stderr] warning: unused imports: `Display`, `Formatter`, `self`
Dec 04 22:19:33.195 INFO [stderr]  --> src/main.rs:1:16
Dec 04 22:19:33.195 INFO [stderr]   |
Dec 04 22:19:33.195 INFO [stderr] 1 | use std::fmt::{self, Formatter, Display};
Dec 04 22:19:33.195 INFO [stderr]   |                ^^^^  ^^^^^^^^^  ^^^^^^^
Dec 04 22:19:33.195 INFO [stderr]   |
Dec 04 22:19:33.195 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 22:19:33.195 INFO [stderr] 
Dec 04 22:19:33.239 INFO [stderr] warning: unused variable: `time`
Dec 04 22:19:33.239 INFO [stderr]   --> src/main.rs:56:13
Dec 04 22:19:33.239 INFO [stderr]    |
Dec 04 22:19:33.239 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 04 22:19:33.239 INFO [stderr]    |             ^^^^ help: consider using `_time` instead
Dec 04 22:19:33.239 INFO [stderr]    |
Dec 04 22:19:33.239 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:19:33.239 INFO [stderr] 
Dec 04 22:19:33.247 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:19:33.247 INFO [stderr]   --> src/main.rs:53:9
Dec 04 22:19:33.247 INFO [stderr]    |
Dec 04 22:19:33.247 INFO [stderr] 53 |     let mut b = vec!(B::create(2));
Dec 04 22:19:33.247 INFO [stderr]    |         ----^
Dec 04 22:19:33.247 INFO [stderr]    |         |
Dec 04 22:19:33.247 INFO [stderr]    |         help: remove this `mut`
Dec 04 22:19:33.247 INFO [stderr]    |
Dec 04 22:19:33.247 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 22:19:33.247 INFO [stderr] 
Dec 04 22:19:33.247 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:19:33.247 INFO [stderr]   --> src/main.rs:54:9
Dec 04 22:19:33.247 INFO [stderr]    |
Dec 04 22:19:33.247 INFO [stderr] 54 |     let mut a = A::create(1, b);
Dec 04 22:19:33.247 INFO [stderr]    |         ----^
Dec 04 22:19:33.247 INFO [stderr]    |         |
Dec 04 22:19:33.247 INFO [stderr]    |         help: remove this `mut`
Dec 04 22:19:33.247 INFO [stderr] 
Dec 04 22:19:33.247 INFO [stderr] warning: variable does not need to be mutable
Dec 04 22:19:33.247 INFO [stderr]   --> src/main.rs:56:9
Dec 04 22:19:33.247 INFO [stderr]    |
Dec 04 22:19:33.247 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 04 22:19:33.247 INFO [stderr]    |         ----^^^^
Dec 04 22:19:33.247 INFO [stderr]    |         |
Dec 04 22:19:33.247 INFO [stderr]    |         help: remove this `mut`
Dec 04 22:19:33.247 INFO [stderr] 
Dec 04 22:19:33.291 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.19s
Dec 04 22:19:33.303 INFO [stderr] su: No module specific data is present
Dec 04 22:19:34.243 INFO running `"docker" "inspect" "4889ba67683af3fcc5ebd8e149eae803848f41b92a6afc596e4a3a06f13c376d"`
Dec 04 22:19:34.555 INFO running `"docker" "rm" "-f" "4889ba67683af3fcc5ebd8e149eae803848f41b92a6afc596e4a3a06f13c376d"`
Dec 04 22:19:34.817 INFO [stdout] 4889ba67683af3fcc5ebd8e149eae803848f41b92a6afc596e4a3a06f13c376d