Dec 19 20:16:36.624 INFO checking asitacko/guessing_game against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:16:36.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/asitacko/guessing_game:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:16:37.041 INFO [stdout] 21b565c25f9475d7f72017f2147e1c8ebb0c29cad3e4b398313c7059c2493651
Dec 19 20:16:37.046 INFO running `"docker" "start" "-a" "21b565c25f9475d7f72017f2147e1c8ebb0c29cad3e4b398313c7059c2493651"`
Dec 19 20:16:37.776 INFO [stderr]    Compiling ring v0.13.0-alpha5
Dec 19 20:16:42.942 INFO [stderr]     Checking guessing_game v0.1.0 (/opt/crater/workdir)
Dec 19 20:16:43.148 INFO [stderr] warning: unused imports: `Display`, `Formatter`, `self`
Dec 19 20:16:43.148 INFO [stderr]  --> src/main.rs:1:16
Dec 19 20:16:43.148 INFO [stderr]   |
Dec 19 20:16:43.148 INFO [stderr] 1 | use std::fmt::{self, Formatter, Display};
Dec 19 20:16:43.148 INFO [stderr]   |                ^^^^  ^^^^^^^^^  ^^^^^^^
Dec 19 20:16:43.148 INFO [stderr]   |
Dec 19 20:16:43.148 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:16:43.148 INFO [stderr] 
Dec 19 20:16:43.164 INFO [stderr] warning: unused imports: `Display`, `Formatter`, `self`
Dec 19 20:16:43.164 INFO [stderr]  --> src/main.rs:1:16
Dec 19 20:16:43.164 INFO [stderr]   |
Dec 19 20:16:43.164 INFO [stderr] 1 | use std::fmt::{self, Formatter, Display};
Dec 19 20:16:43.164 INFO [stderr]   |                ^^^^  ^^^^^^^^^  ^^^^^^^
Dec 19 20:16:43.164 INFO [stderr]   |
Dec 19 20:16:43.164 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:16:43.164 INFO [stderr] 
Dec 19 20:16:43.188 INFO [stderr] warning: unused variable: `time`
Dec 19 20:16:43.188 INFO [stderr]   --> src/main.rs:56:13
Dec 19 20:16:43.188 INFO [stderr]    |
Dec 19 20:16:43.188 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 19 20:16:43.188 INFO [stderr]    |             ^^^^ help: consider using `_time` instead
Dec 19 20:16:43.188 INFO [stderr]    |
Dec 19 20:16:43.188 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:16:43.188 INFO [stderr] 
Dec 19 20:16:43.208 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:16:43.208 INFO [stderr]   --> src/main.rs:53:9
Dec 19 20:16:43.208 INFO [stderr]    |
Dec 19 20:16:43.208 INFO [stderr] 53 |     let mut b = vec!(B::create(2));
Dec 19 20:16:43.236 INFO [stderr]    |         ----^
Dec 19 20:16:43.236 INFO [stderr]    |         |
Dec 19 20:16:43.236 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:16:43.236 INFO [stderr]    |
Dec 19 20:16:43.236 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:16:43.236 INFO [stderr] 
Dec 19 20:16:43.236 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:16:43.236 INFO [stderr]   --> src/main.rs:54:9
Dec 19 20:16:43.236 INFO [stderr]    |
Dec 19 20:16:43.236 INFO [stderr] 54 |     let mut a = A::create(1, b);
Dec 19 20:16:43.236 INFO [stderr]    |         ----^
Dec 19 20:16:43.237 INFO [stderr]    |         |
Dec 19 20:16:43.237 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:16:43.237 INFO [stderr] 
Dec 19 20:16:43.237 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:16:43.237 INFO [stderr]   --> src/main.rs:56:9
Dec 19 20:16:43.237 INFO [stderr]    |
Dec 19 20:16:43.237 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 19 20:16:43.237 INFO [stderr]    |         ----^^^^
Dec 19 20:16:43.237 INFO [stderr]    |         |
Dec 19 20:16:43.237 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:16:43.237 INFO [stderr] 
Dec 19 20:16:43.237 INFO [stderr] warning: unused variable: `time`
Dec 19 20:16:43.237 INFO [stderr]   --> src/main.rs:56:13
Dec 19 20:16:43.237 INFO [stderr]    |
Dec 19 20:16:43.237 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 19 20:16:43.237 INFO [stderr]    |             ^^^^ help: consider using `_time` instead
Dec 19 20:16:43.237 INFO [stderr]    |
Dec 19 20:16:43.237 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:16:43.237 INFO [stderr] 
Dec 19 20:16:43.237 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:16:43.237 INFO [stderr]   --> src/main.rs:53:9
Dec 19 20:16:43.237 INFO [stderr]    |
Dec 19 20:16:43.237 INFO [stderr] 53 |     let mut b = vec!(B::create(2));
Dec 19 20:16:43.237 INFO [stderr]    |         ----^
Dec 19 20:16:43.237 INFO [stderr]    |         |
Dec 19 20:16:43.237 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:16:43.237 INFO [stderr]    |
Dec 19 20:16:43.237 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 20:16:43.237 INFO [stderr] 
Dec 19 20:16:43.237 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:16:43.237 INFO [stderr]   --> src/main.rs:54:9
Dec 19 20:16:43.237 INFO [stderr]    |
Dec 19 20:16:43.237 INFO [stderr] 54 |     let mut a = A::create(1, b);
Dec 19 20:16:43.237 INFO [stderr]    |         ----^
Dec 19 20:16:43.237 INFO [stderr]    |         |
Dec 19 20:16:43.237 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:16:43.237 INFO [stderr] 
Dec 19 20:16:43.237 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:16:43.237 INFO [stderr]   --> src/main.rs:56:9
Dec 19 20:16:43.237 INFO [stderr]    |
Dec 19 20:16:43.237 INFO [stderr] 56 |     let mut time = Utc::now().date() + Duration::days(3);
Dec 19 20:16:43.237 INFO [stderr]    |         ----^^^^
Dec 19 20:16:43.237 INFO [stderr]    |         |
Dec 19 20:16:43.237 INFO [stderr]    |         help: remove this `mut`
Dec 19 20:16:43.237 INFO [stderr] 
Dec 19 20:16:43.241 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
Dec 19 20:16:43.517 INFO running `"docker" "inspect" "21b565c25f9475d7f72017f2147e1c8ebb0c29cad3e4b398313c7059c2493651"`
Dec 19 20:16:43.602 INFO running `"docker" "rm" "-f" "21b565c25f9475d7f72017f2147e1c8ebb0c29cad3e4b398313c7059c2493651"`
Dec 19 20:16:43.699 INFO [stdout] 21b565c25f9475d7f72017f2147e1c8ebb0c29cad3e4b398313c7059c2493651