[INFO] updating cached repository programLyrique/tomatoton
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/programLyrique/tomatoton
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/programLyrique/tomatoton" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/programLyrique/tomatoton"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/programLyrique/tomatoton'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/programLyrique/tomatoton" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/programLyrique/tomatoton"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/programLyrique/tomatoton'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82321c3f54726875fa957bc9c5f5c21998df241c
[INFO] sha for GitHub repo programLyrique/tomatoton: 82321c3f54726875fa957bc9c5f5c21998df241c
[INFO] validating manifest of programLyrique/tomatoton on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of programLyrique/tomatoton on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing programLyrique/tomatoton
[INFO] finished frobbing programLyrique/tomatoton
[INFO] frobbed toml for programLyrique/tomatoton written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/programLyrique/tomatoton/Cargo.toml
[INFO] started frobbing programLyrique/tomatoton
[INFO] finished frobbing programLyrique/tomatoton
[INFO] frobbed toml for programLyrique/tomatoton written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/programLyrique/tomatoton/Cargo.toml
[INFO] crate programLyrique/tomatoton already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking programLyrique/tomatoton against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/programLyrique/tomatoton:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 30bd9c13dd7d622b3e5c30b71625753d1f7435a9c70e59ad4df5e4b8752a764c
[INFO] running `"docker" "start" "-a" "30bd9c13dd7d622b3e5c30b71625753d1f7435a9c70e59ad4df5e4b8752a764c"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking tomatoton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/lib.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]  --> src/lib.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde::Serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde::Serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn new(start_time : DateTime, expected_duration : time::Duration, kind : Kind) -> Pomodoro {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn new(start_time : DateTime, expected_duration : time::Duration, kind : Kind) -> Pomodoro {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `"docker" "inspect" "30bd9c13dd7d622b3e5c30b71625753d1f7435a9c70e59ad4df5e4b8752a764c"`
[INFO] running `"docker" "rm" "-f" "30bd9c13dd7d622b3e5c30b71625753d1f7435a9c70e59ad4df5e4b8752a764c"`
[INFO] [stdout] 30bd9c13dd7d622b3e5c30b71625753d1f7435a9c70e59ad4df5e4b8752a764c