Dec 19 04:24:40.453 INFO checking zzeroo/average against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 04:24:40.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 04:24:41.187 INFO [stdout] 70d44d4b292480562787a21a3ccb4934db5b11882d6f06b8674668a629872692
Dec 19 04:24:41.196 INFO running `"docker" "start" "-a" "70d44d4b292480562787a21a3ccb4934db5b11882d6f06b8674668a629872692"`
Dec 19 04:24:43.189 INFO [stderr]     Checking num-traits v0.1.36
Dec 19 04:24:43.189 INFO [stderr]     Checking libc v0.2.20
Dec 19 04:24:43.189 INFO [stderr]     Checking serde v0.9.7
Dec 19 04:24:44.757 INFO [stderr]     Checking time v0.1.36
Dec 19 04:24:44.759 INFO [stderr]     Checking rand v0.3.15
Dec 19 04:24:46.213 INFO [stderr]     Checking num-integer v0.1.32
Dec 19 04:24:47.090 INFO [stderr]     Checking num-iter v0.1.32
Dec 19 04:24:47.470 INFO [stderr]     Checking num v0.1.36
Dec 19 04:24:53.360 INFO [stderr]     Checking chrono v0.3.0
Dec 19 04:24:54.979 INFO [stderr]     Checking average v0.1.0 (/opt/crater/workdir)
Dec 19 04:24:55.136 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 19 04:24:55.136 INFO [stderr]  --> src/lib.rs:7:5
Dec 19 04:24:55.136 INFO [stderr]   |
Dec 19 04:24:55.136 INFO [stderr] 7 | use chrono::prelude::*;
Dec 19 04:24:55.136 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 04:24:55.136 INFO [stderr]   |
Dec 19 04:24:55.136 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 04:24:55.136 INFO [stderr] 
Dec 19 04:24:55.194 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 19 04:24:55.194 INFO [stderr]  --> src/lib.rs:7:5
Dec 19 04:24:55.194 INFO [stderr]   |
Dec 19 04:24:55.194 INFO [stderr] 7 | use chrono::prelude::*;
Dec 19 04:24:55.194 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 04:24:55.194 INFO [stderr]   |
Dec 19 04:24:55.194 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 04:24:55.194 INFO [stderr] 
Dec 19 04:24:55.202 INFO [stderr] warning: unused variable: `three_second`
Dec 19 04:24:55.202 INFO [stderr]   --> src/lib.rs:26:9
Dec 19 04:24:55.202 INFO [stderr]    |
Dec 19 04:24:55.202 INFO [stderr] 26 |     let three_second = Duration::new(3, 0);
Dec 19 04:24:55.202 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_three_second` instead
Dec 19 04:24:55.202 INFO [stderr]    |
Dec 19 04:24:55.208 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 04:24:55.208 INFO [stderr] 
Dec 19 04:24:55.208 INFO [stderr] warning: unused variable: `i`
Dec 19 04:24:55.208 INFO [stderr]   --> src/lib.rs:69:13
Dec 19 04:24:55.208 INFO [stderr]    |
Dec 19 04:24:55.208 INFO [stderr] 69 |         for i in 0..1801 {
Dec 19 04:24:55.208 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 19 04:24:55.208 INFO [stderr] 
Dec 19 04:24:55.292 INFO [stderr] warning: unused variable: `three_second`
Dec 19 04:24:55.292 INFO [stderr]   --> src/lib.rs:26:9
Dec 19 04:24:55.292 INFO [stderr]    |
Dec 19 04:24:55.292 INFO [stderr] 26 |     let three_second = Duration::new(3, 0);
Dec 19 04:24:55.292 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_three_second` instead
Dec 19 04:24:55.292 INFO [stderr]    |
Dec 19 04:24:55.292 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 04:24:55.292 INFO [stderr] 
Dec 19 04:24:55.303 INFO [stderr] warning: function is never used: `sum`
Dec 19 04:24:55.303 INFO [stderr]   --> src/lib.rs:12:1
Dec 19 04:24:55.303 INFO [stderr]    |
Dec 19 04:24:55.303 INFO [stderr] 12 | fn sum(values: &Vec<(u32, Instant)>) -> Option<f64> {
Dec 19 04:24:55.303 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 04:24:55.308 INFO [stderr]    |
Dec 19 04:24:55.308 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 04:24:55.308 INFO [stderr] 
Dec 19 04:24:55.795 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.69s
Dec 19 04:24:57.010 INFO running `"docker" "inspect" "70d44d4b292480562787a21a3ccb4934db5b11882d6f06b8674668a629872692"`
Dec 19 04:24:57.246 INFO running `"docker" "rm" "-f" "70d44d4b292480562787a21a3ccb4934db5b11882d6f06b8674668a629872692"`
Dec 19 04:24:57.408 INFO [stdout] 70d44d4b292480562787a21a3ccb4934db5b11882d6f06b8674668a629872692