Nov 18 20:02:06.425 INFO testing balloon-0.0.1 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 20:02:06.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 20:02:06.892 INFO [stdout] b2c7ab619306e5aa0e1463aa305478739e13edd937a288cdf66bf033875f0f91
Nov 18 20:02:06.901 INFO running `"docker" "start" "-a" "b2c7ab619306e5aa0e1463aa305478739e13edd937a288cdf66bf033875f0f91"`
Nov 18 20:02:07.907 INFO [stderr] usermod: no changes
Nov 18 20:02:07.995 INFO [stderr]    Compiling subtle v0.7.1
Nov 18 20:02:08.699 INFO [stderr]    Compiling balloon v0.0.1 (/source)
Nov 18 20:02:09.679 INFO [stderr] warning: method is never used: `get`
Nov 18 20:02:09.679 INFO [stderr]   --> src/buffer.rs:51:5
Nov 18 20:02:09.679 INFO [stderr]    |
Nov 18 20:02:09.679 INFO [stderr] 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Nov 18 20:02:09.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:09.679 INFO [stderr]    |
Nov 18 20:02:09.679 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 20:02:09.679 INFO [stderr] 
Nov 18 20:02:09.679 INFO [stderr] warning: method is never used: `get_mut`
Nov 18 20:02:09.679 INFO [stderr]   --> src/buffer.rs:54:5
Nov 18 20:02:09.679 INFO [stderr]    |
Nov 18 20:02:09.679 INFO [stderr] 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Nov 18 20:02:09.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:09.679 INFO [stderr] 
Nov 18 20:02:09.679 INFO [stderr] warning: method is never used: `clear`
Nov 18 20:02:09.679 INFO [stderr]   --> src/buffer.rs:57:5
Nov 18 20:02:09.679 INFO [stderr]    |
Nov 18 20:02:09.679 INFO [stderr] 57 |     pub fn clear(&mut self) { self.back.clear() }
Nov 18 20:02:09.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:09.679 INFO [stderr] 
Nov 18 20:02:09.679 INFO [stderr] warning: method is never used: `is_empty`
Nov 18 20:02:09.679 INFO [stderr]   --> src/buffer.rs:58:5
Nov 18 20:02:09.679 INFO [stderr]    |
Nov 18 20:02:09.679 INFO [stderr] 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Nov 18 20:02:09.679 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:09.679 INFO [stderr] 
Nov 18 20:02:09.679 INFO [stderr] warning: method is never used: `len`
Nov 18 20:02:09.679 INFO [stderr]   --> src/buffer.rs:59:5
Nov 18 20:02:09.679 INFO [stderr]    |
Nov 18 20:02:09.679 INFO [stderr] 59 |     pub fn len(&self) -> usize { self.back.len() }
Nov 18 20:02:09.680 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:09.680 INFO [stderr] 
Nov 18 20:02:09.903 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
Nov 18 20:02:09.906 INFO [stderr] su: No module specific data is present
Nov 18 20:02:11.699 INFO running `"docker" "inspect" "b2c7ab619306e5aa0e1463aa305478739e13edd937a288cdf66bf033875f0f91"`
Nov 18 20:02:11.917 INFO running `"docker" "rm" "-f" "b2c7ab619306e5aa0e1463aa305478739e13edd937a288cdf66bf033875f0f91"`
Nov 18 20:02:12.139 INFO [stdout] b2c7ab619306e5aa0e1463aa305478739e13edd937a288cdf66bf033875f0f91
Nov 18 20:02:12.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 20:02:12.795 INFO [stdout] 93256481c97841f3b640e605d6758787ff92dcd55d91d4517f733555273aa1c1
Nov 18 20:02:12.799 INFO running `"docker" "start" "-a" "93256481c97841f3b640e605d6758787ff92dcd55d91d4517f733555273aa1c1"`
Nov 18 20:02:13.753 INFO [stderr] usermod: no changes
Nov 18 20:02:13.813 INFO [stderr]    Compiling balloon v0.0.1 (/source)
Nov 18 20:02:14.687 INFO [stderr] warning: method is never used: `get`
Nov 18 20:02:14.687 INFO [stderr]   --> src/buffer.rs:51:5
Nov 18 20:02:14.687 INFO [stderr]    |
Nov 18 20:02:14.687 INFO [stderr] 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Nov 18 20:02:14.687 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:14.687 INFO [stderr]    |
Nov 18 20:02:14.687 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 20:02:14.687 INFO [stderr] 
Nov 18 20:02:14.687 INFO [stderr] warning: method is never used: `get_mut`
Nov 18 20:02:14.687 INFO [stderr]   --> src/buffer.rs:54:5
Nov 18 20:02:14.687 INFO [stderr]    |
Nov 18 20:02:14.687 INFO [stderr] 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Nov 18 20:02:14.687 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:14.687 INFO [stderr] 
Nov 18 20:02:14.687 INFO [stderr] warning: method is never used: `clear`
Nov 18 20:02:14.687 INFO [stderr]   --> src/buffer.rs:57:5
Nov 18 20:02:14.687 INFO [stderr]    |
Nov 18 20:02:14.687 INFO [stderr] 57 |     pub fn clear(&mut self) { self.back.clear() }
Nov 18 20:02:14.687 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:14.687 INFO [stderr] 
Nov 18 20:02:14.687 INFO [stderr] warning: method is never used: `is_empty`
Nov 18 20:02:14.687 INFO [stderr]   --> src/buffer.rs:58:5
Nov 18 20:02:14.687 INFO [stderr]    |
Nov 18 20:02:14.687 INFO [stderr] 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Nov 18 20:02:14.687 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:14.687 INFO [stderr] 
Nov 18 20:02:14.687 INFO [stderr] warning: method is never used: `len`
Nov 18 20:02:14.687 INFO [stderr]   --> src/buffer.rs:59:5
Nov 18 20:02:14.687 INFO [stderr]    |
Nov 18 20:02:14.687 INFO [stderr] 59 |     pub fn len(&self) -> usize { self.back.len() }
Nov 18 20:02:14.687 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 20:02:14.687 INFO [stderr] 
Nov 18 20:02:15.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
Nov 18 20:02:15.369 INFO [stderr] su: No module specific data is present
Nov 18 20:02:15.927 INFO running `"docker" "inspect" "93256481c97841f3b640e605d6758787ff92dcd55d91d4517f733555273aa1c1"`
Nov 18 20:02:16.182 INFO running `"docker" "rm" "-f" "93256481c97841f3b640e605d6758787ff92dcd55d91d4517f733555273aa1c1"`
Nov 18 20:02:16.429 INFO [stdout] 93256481c97841f3b640e605d6758787ff92dcd55d91d4517f733555273aa1c1
Nov 18 20:02:16.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --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"`
Nov 18 20:02:16.791 INFO [stdout] d7fd385374f6f11bcd413fb9a08e6e12f2cdc437d893b14da4017fbbf3366830
Nov 18 20:02:16.793 INFO running `"docker" "start" "-a" "d7fd385374f6f11bcd413fb9a08e6e12f2cdc437d893b14da4017fbbf3366830"`
Nov 18 20:02:17.613 INFO [stderr] usermod: no changes
Nov 18 20:02:17.671 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 18 20:02:17.671 INFO [stderr]      Running /target/debug/deps/balloon-833c428a97f64032
Nov 18 20:02:17.677 INFO [stdout] 
Nov 18 20:02:17.677 INFO [stdout] running 1 test
Nov 18 20:02:17.779 INFO [stdout] test tests::it_works ... ok
Nov 18 20:02:17.779 INFO [stderr]    Doc-tests balloon
Nov 18 20:02:17.779 INFO [stdout] 
Nov 18 20:02:17.779 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 20:02:17.779 INFO [stdout] 
Nov 18 20:02:18.738 INFO [stdout] 
Nov 18 20:02:18.738 INFO [stdout] running 0 tests
Nov 18 20:02:18.738 INFO [stdout] 
Nov 18 20:02:18.738 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 20:02:18.738 INFO [stdout] 
Nov 18 20:02:18.744 INFO [stderr] su: No module specific data is present
Nov 18 20:02:19.060 INFO running `"docker" "inspect" "d7fd385374f6f11bcd413fb9a08e6e12f2cdc437d893b14da4017fbbf3366830"`
Nov 18 20:02:19.196 INFO running `"docker" "rm" "-f" "d7fd385374f6f11bcd413fb9a08e6e12f2cdc437d893b14da4017fbbf3366830"`
Nov 18 20:02:19.278 INFO [stdout] d7fd385374f6f11bcd413fb9a08e6e12f2cdc437d893b14da4017fbbf3366830