[INFO] updating cached repository landaire/pingg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/landaire/pingg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/landaire/pingg" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/landaire/pingg"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/landaire/pingg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/landaire/pingg" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/landaire/pingg"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/landaire/pingg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2fc44283801f425a930ed753c81f5ae4f67925e
[INFO] sha for GitHub repo landaire/pingg: e2fc44283801f425a930ed753c81f5ae4f67925e
[INFO] validating manifest of landaire/pingg on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of landaire/pingg on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing landaire/pingg
[INFO] finished frobbing landaire/pingg
[INFO] frobbed toml for landaire/pingg written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/landaire/pingg/Cargo.toml
[INFO] started frobbing landaire/pingg
[INFO] finished frobbing landaire/pingg
[INFO] frobbed toml for landaire/pingg written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/landaire/pingg/Cargo.toml
[INFO] crate landaire/pingg already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking landaire/pingg against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/landaire/pingg:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 20bf351f005914447a7f02f283dc3c10974c1ee36fb396d9f6c021eef285d59f
[INFO] running `"docker" "start" "-a" "20bf351f005914447a7f02f283dc3c10974c1ee36fb396d9f6c021eef285d59f"`
[INFO] [stderr]     Checking tui v0.5.0
[INFO] [stderr]     Checking pingg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/main.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use failure::{Error, Fail};
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/main.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use failure::{Error, Fail};
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Fail`
[INFO] [stderr]   --> src/main.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 | use failure::{Error, Fail};
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Fail`
[INFO] [stderr]   --> src/main.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 | use failure::{Error, Fail};
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `input_handle`
[INFO] [stderr]   --> src/event.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tick_handle`
[INFO] [stderr]   --> src/event.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         self.child.kill();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `input_handle`
[INFO] [stderr]   --> src/event.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     input_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tick_handle`
[INFO] [stderr]   --> src/event.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         self.child.kill();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `"docker" "inspect" "20bf351f005914447a7f02f283dc3c10974c1ee36fb396d9f6c021eef285d59f"`
[INFO] running `"docker" "rm" "-f" "20bf351f005914447a7f02f283dc3c10974c1ee36fb396d9f6c021eef285d59f"`
[INFO] [stdout] 20bf351f005914447a7f02f283dc3c10974c1ee36fb396d9f6c021eef285d59f