Dec 13 06:59:52.625 INFO testing programLyrique/tomatoton against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 06:59:52.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 06:59:52.972 INFO [stdout] d573cb8c32a7e6730071cd1bcfd6d8fbc099109fb48e61550019ced9b65400ef
Dec 13 06:59:52.973 INFO running `"docker" "start" "-a" "d573cb8c32a7e6730071cd1bcfd6d8fbc099109fb48e61550019ced9b65400ef"`
Dec 13 06:59:53.576 INFO [stderr] usermod: no changes
Dec 13 06:59:53.648 INFO [stderr]    Compiling memchr v2.0.1
Dec 13 06:59:53.650 INFO [stderr]    Compiling chrono v0.4.0
Dec 13 06:59:54.041 INFO [stderr]    Compiling csv-core v0.1.4
Dec 13 06:59:55.199 INFO [stderr]    Compiling csv v1.0.0-beta.5
Dec 13 06:59:57.100 INFO [stderr]    Compiling tomatoton v0.1.0 (/source)
Dec 13 06:59:57.415 INFO [stderr] warning: unused import: `File`
Dec 13 06:59:57.415 INFO [stderr]  --> src/lib.rs:8:15
Dec 13 06:59:57.415 INFO [stderr]   |
Dec 13 06:59:57.415 INFO [stderr] 8 | use std::fs::{File, OpenOptions};
Dec 13 06:59:57.415 INFO [stderr]   |               ^^^^
Dec 13 06:59:57.415 INFO [stderr]   |
Dec 13 06:59:57.415 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 06:59:57.415 INFO [stderr] 
Dec 13 06:59:57.415 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 13 06:59:57.415 INFO [stderr]   --> src/lib.rs:11:5
Dec 13 06:59:57.415 INFO [stderr]    |
Dec 13 06:59:57.415 INFO [stderr] 11 | use std::io::prelude::*;
Dec 13 06:59:57.415 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:57.415 INFO [stderr] 
Dec 13 06:59:57.490 INFO [stderr] warning: unused import: `serde::Serialize`
Dec 13 06:59:57.491 INFO [stderr]  --> src/lib.rs:9:5
Dec 13 06:59:57.491 INFO [stderr]   |
Dec 13 06:59:57.491 INFO [stderr] 9 | use serde::Serialize;
Dec 13 06:59:57.491 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 13 06:59:57.491 INFO [stderr] 
Dec 13 06:59:57.527 INFO [stderr] warning: method is never used: `new`
Dec 13 06:59:57.527 INFO [stderr]   --> src/lib.rs:49:5
Dec 13 06:59:57.527 INFO [stderr]    |
Dec 13 06:59:57.527 INFO [stderr] 49 |     fn new(start_time : DateTime, expected_duration : time::Duration, kind : Kind) -> Pomodoro {
Dec 13 06:59:57.527 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:59:57.527 INFO [stderr]    |
Dec 13 06:59:57.527 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:59:57.527 INFO [stderr] 
Dec 13 06:59:59.275 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
Dec 13 06:59:59.275 INFO [stderr] su: No module specific data is present
Dec 13 06:59:59.740 INFO running `"docker" "inspect" "d573cb8c32a7e6730071cd1bcfd6d8fbc099109fb48e61550019ced9b65400ef"`
Dec 13 06:59:59.945 INFO running `"docker" "rm" "-f" "d573cb8c32a7e6730071cd1bcfd6d8fbc099109fb48e61550019ced9b65400ef"`
Dec 13 07:00:00.213 INFO [stdout] d573cb8c32a7e6730071cd1bcfd6d8fbc099109fb48e61550019ced9b65400ef
Dec 13 07:00:00.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 07:00:00.671 INFO [stdout] 0e7e3c1e91cb0c28cc74bd282f89f260337b5e07db292ab259afe85c49f34bd3
Dec 13 07:00:00.679 INFO running `"docker" "start" "-a" "0e7e3c1e91cb0c28cc74bd282f89f260337b5e07db292ab259afe85c49f34bd3"`
Dec 13 07:00:01.879 INFO [stderr] usermod: no changes
Dec 13 07:00:02.013 INFO [stderr]    Compiling tomatoton v0.1.0 (/source)
Dec 13 07:00:02.679 INFO [stderr] warning: unused import: `File`
Dec 13 07:00:02.679 INFO [stderr]  --> src/lib.rs:8:15
Dec 13 07:00:02.679 INFO [stderr]   |
Dec 13 07:00:02.679 INFO [stderr] 8 | use std::fs::{File, OpenOptions};
Dec 13 07:00:02.679 INFO [stderr]   |               ^^^^
Dec 13 07:00:02.679 INFO [stderr]   |
Dec 13 07:00:02.679 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:00:02.679 INFO [stderr] 
Dec 13 07:00:02.679 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 13 07:00:02.679 INFO [stderr]   --> src/lib.rs:11:5
Dec 13 07:00:02.679 INFO [stderr]    |
Dec 13 07:00:02.679 INFO [stderr] 11 | use std::io::prelude::*;
Dec 13 07:00:02.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 07:00:02.679 INFO [stderr] 
Dec 13 07:00:02.823 INFO [stderr] warning: unused import: `serde::Serialize`
Dec 13 07:00:02.823 INFO [stderr]  --> src/lib.rs:9:5
Dec 13 07:00:02.823 INFO [stderr]   |
Dec 13 07:00:02.823 INFO [stderr] 9 | use serde::Serialize;
Dec 13 07:00:02.823 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 13 07:00:02.823 INFO [stderr] 
Dec 13 07:00:02.872 INFO [stderr] warning: method is never used: `new`
Dec 13 07:00:02.872 INFO [stderr]   --> src/lib.rs:49:5
Dec 13 07:00:02.872 INFO [stderr]    |
Dec 13 07:00:02.872 INFO [stderr] 49 |     fn new(start_time : DateTime, expected_duration : time::Duration, kind : Kind) -> Pomodoro {
Dec 13 07:00:02.872 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:00:02.872 INFO [stderr]    |
Dec 13 07:00:02.872 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:00:02.872 INFO [stderr] 
Dec 13 07:00:04.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
Dec 13 07:00:04.843 INFO [stderr] su: No module specific data is present
Dec 13 07:00:05.397 INFO running `"docker" "inspect" "0e7e3c1e91cb0c28cc74bd282f89f260337b5e07db292ab259afe85c49f34bd3"`
Dec 13 07:00:05.643 INFO running `"docker" "rm" "-f" "0e7e3c1e91cb0c28cc74bd282f89f260337b5e07db292ab259afe85c49f34bd3"`
Dec 13 07:00:06.059 INFO [stdout] 0e7e3c1e91cb0c28cc74bd282f89f260337b5e07db292ab259afe85c49f34bd3