Dec 11 04:54:18.141 INFO checking zzeroo/average against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 04:54:18.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 04:54:18.628 INFO [stdout] a3ee75d36adfec774542fe277a1fc9d122a37f0de27263d0b5f0f4b9d9c41af3
Dec 11 04:54:18.636 INFO running `"docker" "start" "-a" "a3ee75d36adfec774542fe277a1fc9d122a37f0de27263d0b5f0f4b9d9c41af3"`
Dec 11 04:54:20.608 INFO [stderr] usermod: no changes
Dec 11 04:54:20.724 INFO [stderr]     Checking num-traits v0.1.36
Dec 11 04:54:20.724 INFO [stderr]     Checking libc v0.2.20
Dec 11 04:54:20.724 INFO [stderr]     Checking serde v0.9.7
Dec 11 04:54:22.354 INFO [stderr]     Checking time v0.1.36
Dec 11 04:54:22.354 INFO [stderr]     Checking rand v0.3.15
Dec 11 04:54:23.329 INFO [stderr]     Checking num-integer v0.1.32
Dec 11 04:54:24.170 INFO [stderr]     Checking num-iter v0.1.32
Dec 11 04:54:24.830 INFO [stderr]     Checking num v0.1.36
Dec 11 04:54:30.627 INFO [stderr]     Checking chrono v0.3.0
Dec 11 04:54:32.254 INFO [stderr]     Checking average v0.1.0 (/source)
Dec 11 04:54:32.384 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 11 04:54:32.385 INFO [stderr]  --> src/lib.rs:7:5
Dec 11 04:54:32.385 INFO [stderr]   |
Dec 11 04:54:32.385 INFO [stderr] 7 | use chrono::prelude::*;
Dec 11 04:54:32.386 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 04:54:32.386 INFO [stderr]   |
Dec 11 04:54:32.386 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 04:54:32.386 INFO [stderr] 
Dec 11 04:54:32.434 INFO [stderr] warning: unused import: `chrono::prelude::*`
Dec 11 04:54:32.434 INFO [stderr]  --> src/lib.rs:7:5
Dec 11 04:54:32.435 INFO [stderr]   |
Dec 11 04:54:32.435 INFO [stderr] 7 | use chrono::prelude::*;
Dec 11 04:54:32.435 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 04:54:32.436 INFO [stderr]   |
Dec 11 04:54:32.436 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 04:54:32.436 INFO [stderr] 
Dec 11 04:54:32.493 INFO [stderr] warning: unused variable: `three_second`
Dec 11 04:54:32.493 INFO [stderr]   --> src/lib.rs:26:9
Dec 11 04:54:32.493 INFO [stderr]    |
Dec 11 04:54:32.493 INFO [stderr] 26 |     let three_second = Duration::new(3, 0);
Dec 11 04:54:32.493 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_three_second` instead
Dec 11 04:54:32.493 INFO [stderr]    |
Dec 11 04:54:32.493 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 04:54:32.494 INFO [stderr] 
Dec 11 04:54:32.494 INFO [stderr] warning: unused variable: `i`
Dec 11 04:54:32.494 INFO [stderr]   --> src/lib.rs:69:13
Dec 11 04:54:32.494 INFO [stderr]    |
Dec 11 04:54:32.494 INFO [stderr] 69 |         for i in 0..1801 {
Dec 11 04:54:32.494 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 11 04:54:32.494 INFO [stderr] 
Dec 11 04:54:32.522 INFO [stderr] warning: unused variable: `three_second`
Dec 11 04:54:32.522 INFO [stderr]   --> src/lib.rs:26:9
Dec 11 04:54:32.522 INFO [stderr]    |
Dec 11 04:54:32.522 INFO [stderr] 26 |     let three_second = Duration::new(3, 0);
Dec 11 04:54:32.522 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_three_second` instead
Dec 11 04:54:32.522 INFO [stderr]    |
Dec 11 04:54:32.523 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 04:54:32.523 INFO [stderr] 
Dec 11 04:54:32.536 INFO [stderr] warning: function is never used: `sum`
Dec 11 04:54:32.536 INFO [stderr]   --> src/lib.rs:12:1
Dec 11 04:54:32.537 INFO [stderr]    |
Dec 11 04:54:32.537 INFO [stderr] 12 | fn sum(values: &Vec<(u32, Instant)>) -> Option<f64> {
Dec 11 04:54:32.537 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 04:54:32.538 INFO [stderr]    |
Dec 11 04:54:32.538 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 04:54:32.538 INFO [stderr] 
Dec 11 04:54:32.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.29s
Dec 11 04:54:32.928 INFO [stderr] su: No module specific data is present
Dec 11 04:54:34.042 INFO running `"docker" "inspect" "a3ee75d36adfec774542fe277a1fc9d122a37f0de27263d0b5f0f4b9d9c41af3"`
Dec 11 04:54:34.390 INFO running `"docker" "rm" "-f" "a3ee75d36adfec774542fe277a1fc9d122a37f0de27263d0b5f0f4b9d9c41af3"`
Dec 11 04:54:34.777 INFO [stdout] a3ee75d36adfec774542fe277a1fc9d122a37f0de27263d0b5f0f4b9d9c41af3