[INFO] cloning repository landaire/pingg
[INFO] running `"git" "clone" "--bare" "git://github.com/landaire/pingg.git" "work/cache/sources/gh/landaire/pingg"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/landaire/pingg'...
[INFO] running `"git" "clone" "work/cache/sources/gh/landaire/pingg" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/landaire/pingg"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/landaire/pingg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/landaire/pingg" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/landaire/pingg"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of landaire/pingg on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing landaire/pingg against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] a78c1191f08dc02798bac06152e54c493ae221e44cf2f610fbfcbbe067c55851
[INFO] running `"docker" "start" "-a" "a78c1191f08dc02798bac06152e54c493ae221e44cf2f610fbfcbbe067c55851"`
[INFO] [stderr]    Compiling 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: `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]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `"docker" "inspect" "a78c1191f08dc02798bac06152e54c493ae221e44cf2f610fbfcbbe067c55851"`
[INFO] running `"docker" "rm" "-f" "a78c1191f08dc02798bac06152e54c493ae221e44cf2f610fbfcbbe067c55851"`
[INFO] [stdout] a78c1191f08dc02798bac06152e54c493ae221e44cf2f610fbfcbbe067c55851
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 669ca2349aac564dcf5d3ab3bb1c403c8703bdec01a2d97127fd23175cddf4c0
[INFO] running `"docker" "start" "-a" "669ca2349aac564dcf5d3ab3bb1c403c8703bdec01a2d97127fd23175cddf4c0"`
[INFO] [stderr]    Compiling 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: `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]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "669ca2349aac564dcf5d3ab3bb1c403c8703bdec01a2d97127fd23175cddf4c0"`
[INFO] running `"docker" "rm" "-f" "669ca2349aac564dcf5d3ab3bb1c403c8703bdec01a2d97127fd23175cddf4c0"`
[INFO] [stdout] 669ca2349aac564dcf5d3ab3bb1c403c8703bdec01a2d97127fd23175cddf4c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] b2b8c47da544ec98fda871f933a91b0bce694763ea605f819b80fed7d75e91a0
[INFO] running `"docker" "start" "-a" "b2b8c47da544ec98fda871f933a91b0bce694763ea605f819b80fed7d75e91a0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pingg-6482c2a51eb07708
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b2b8c47da544ec98fda871f933a91b0bce694763ea605f819b80fed7d75e91a0"`
[INFO] running `"docker" "rm" "-f" "b2b8c47da544ec98fda871f933a91b0bce694763ea605f819b80fed7d75e91a0"`
[INFO] [stdout] b2b8c47da544ec98fda871f933a91b0bce694763ea605f819b80fed7d75e91a0