Dec 17 10:41:24.301 INFO checking zzeroo/average against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 10:41:24.301 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/gh/zzeroo/average:/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 17 10:41:24.946 INFO [stdout] cb08cea7571801a32e8ff02a0b8fab0ac69a986e19449be7f63273f9eb9f87f1
Dec 17 10:41:24.952 INFO running `"docker" "start" "-a" "cb08cea7571801a32e8ff02a0b8fab0ac69a986e19449be7f63273f9eb9f87f1"`
Dec 17 10:41:26.691 INFO [stderr]     Checking num-traits v0.1.36
Dec 17 10:41:26.691 INFO [stderr]     Checking libc v0.2.20
Dec 17 10:41:26.691 INFO [stderr]     Checking serde v0.9.7
Dec 17 10:41:28.356 INFO [stderr]     Checking time v0.1.36
Dec 17 10:41:28.356 INFO [stderr]     Checking rand v0.3.15
Dec 17 10:41:28.906 INFO [stderr]     Checking num-integer v0.1.32
Dec 17 10:41:29.571 INFO [stderr]     Checking num-iter v0.1.32
Dec 17 10:41:29.921 INFO [stderr]     Checking num v0.1.36
Dec 17 10:41:35.666 INFO [stderr]     Checking chrono v0.3.0
Dec 17 10:41:37.216 INFO [stderr]     Checking average v0.1.0 (/opt/crater/workdir)
Dec 17 10:41:37.304 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 17 10:41:37.304 INFO [stderr]  --> src/lib.rs:7:5
Dec 17 10:41:37.305 INFO [stderr]   |
Dec 17 10:41:37.305 INFO [stderr] 7 | use chrono::prelude::*;
Dec 17 10:41:37.305 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 10:41:37.308 INFO [stderr]   |
Dec 17 10:41:37.308 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 10:41:37.308 INFO [stderr] 
Dec 17 10:41:37.315 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 17 10:41:37.315 INFO [stderr]  --> src/lib.rs:7:5
Dec 17 10:41:37.315 INFO [stderr]   |
Dec 17 10:41:37.315 INFO [stderr] 7 | use chrono::prelude::*;
Dec 17 10:41:37.315 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 10:41:37.315 INFO [stderr]   |
Dec 17 10:41:37.316 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 10:41:37.316 INFO [stderr] 
Dec 17 10:41:37.376 INFO [stderr] warning: unused variable: `three_second`
Dec 17 10:41:37.376 INFO [stderr]   --> src/lib.rs:26:9
Dec 17 10:41:37.376 INFO [stderr]    |
Dec 17 10:41:37.376 INFO [stderr] 26 |     let three_second = Duration::new(3, 0);
Dec 17 10:41:37.376 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_three_second` instead
Dec 17 10:41:37.376 INFO [stderr]    |
Dec 17 10:41:37.376 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 10:41:37.376 INFO [stderr] 
Dec 17 10:41:37.376 INFO [stderr] warning: unused variable: `three_second`
Dec 17 10:41:37.376 INFO [stderr]   --> src/lib.rs:26:9
Dec 17 10:41:37.376 INFO [stderr]    |
Dec 17 10:41:37.376 INFO [stderr] 26 |     let three_second = Duration::new(3, 0);
Dec 17 10:41:37.376 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_three_second` instead
Dec 17 10:41:37.376 INFO [stderr]    |
Dec 17 10:41:37.376 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 10:41:37.376 INFO [stderr] 
Dec 17 10:41:37.376 INFO [stderr] warning: unused variable: `i`
Dec 17 10:41:37.376 INFO [stderr]   --> src/lib.rs:69:13
Dec 17 10:41:37.376 INFO [stderr]    |
Dec 17 10:41:37.376 INFO [stderr] 69 |         for i in 0..1801 {
Dec 17 10:41:37.376 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 17 10:41:37.376 INFO [stderr] 
Dec 17 10:41:37.377 INFO [stderr] warning: function is never used: `sum`
Dec 17 10:41:37.377 INFO [stderr]   --> src/lib.rs:12:1
Dec 17 10:41:37.377 INFO [stderr]    |
Dec 17 10:41:37.378 INFO [stderr] 12 | fn sum(values: &Vec<(u32, Instant)>) -> Option<f64> {
Dec 17 10:41:37.378 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:41:37.378 INFO [stderr]    |
Dec 17 10:41:37.378 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 10:41:37.378 INFO [stderr] 
Dec 17 10:41:37.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.03s
Dec 17 10:41:38.006 INFO running `"docker" "inspect" "cb08cea7571801a32e8ff02a0b8fab0ac69a986e19449be7f63273f9eb9f87f1"`
Dec 17 10:41:38.122 INFO running `"docker" "rm" "-f" "cb08cea7571801a32e8ff02a0b8fab0ac69a986e19449be7f63273f9eb9f87f1"`
Dec 17 10:41:38.254 INFO [stdout] cb08cea7571801a32e8ff02a0b8fab0ac69a986e19449be7f63273f9eb9f87f1