Dec 15 21:43:51.167 INFO testing balloon-0.0.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 21:43:51.167 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 15 21:43:51.584 INFO [stdout] 30a45259082cb520f3427e9401d359dcc3d9f409f9016910087d51bd8269cf33
Dec 15 21:43:51.589 INFO running `"docker" "start" "-a" "30a45259082cb520f3427e9401d359dcc3d9f409f9016910087d51bd8269cf33"`
Dec 15 21:43:52.931 INFO [stderr] usermod: no changes
Dec 15 21:43:53.065 INFO [stderr]    Compiling num-bigint v0.2.1
Dec 15 21:43:57.472 INFO [stderr]    Compiling balloon v0.0.1 (/source)
Dec 15 21:43:58.703 INFO [stderr] warning: method is never used: `get`
Dec 15 21:43:58.703 INFO [stderr]   --> src/buffer.rs:51:5
Dec 15 21:43:58.703 INFO [stderr]    |
Dec 15 21:43:58.703 INFO [stderr] 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Dec 15 21:43:58.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:43:58.703 INFO [stderr]    |
Dec 15 21:43:58.703 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 21:43:58.703 INFO [stderr] 
Dec 15 21:43:58.703 INFO [stderr] warning: method is never used: `get_mut`
Dec 15 21:43:58.703 INFO [stderr]   --> src/buffer.rs:54:5
Dec 15 21:43:58.703 INFO [stderr]    |
Dec 15 21:43:58.703 INFO [stderr] 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Dec 15 21:43:58.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:43:58.703 INFO [stderr] 
Dec 15 21:43:58.703 INFO [stderr] warning: method is never used: `clear`
Dec 15 21:43:58.703 INFO [stderr]   --> src/buffer.rs:57:5
Dec 15 21:43:58.703 INFO [stderr]    |
Dec 15 21:43:58.703 INFO [stderr] 57 |     pub fn clear(&mut self) { self.back.clear() }
Dec 15 21:43:58.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:43:58.703 INFO [stderr] 
Dec 15 21:43:58.703 INFO [stderr] warning: method is never used: `is_empty`
Dec 15 21:43:58.703 INFO [stderr]   --> src/buffer.rs:58:5
Dec 15 21:43:58.703 INFO [stderr]    |
Dec 15 21:43:58.703 INFO [stderr] 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Dec 15 21:43:58.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:43:58.703 INFO [stderr] 
Dec 15 21:43:58.703 INFO [stderr] warning: method is never used: `len`
Dec 15 21:43:58.703 INFO [stderr]   --> src/buffer.rs:59:5
Dec 15 21:43:58.703 INFO [stderr]    |
Dec 15 21:43:58.703 INFO [stderr] 59 |     pub fn len(&self) -> usize { self.back.len() }
Dec 15 21:43:58.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:43:58.703 INFO [stderr] 
Dec 15 21:43:59.031 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
Dec 15 21:43:59.031 INFO [stderr] su: No module specific data is present
Dec 15 21:43:59.802 INFO running `"docker" "inspect" "30a45259082cb520f3427e9401d359dcc3d9f409f9016910087d51bd8269cf33"`
Dec 15 21:44:00.069 INFO running `"docker" "rm" "-f" "30a45259082cb520f3427e9401d359dcc3d9f409f9016910087d51bd8269cf33"`
Dec 15 21:44:00.384 INFO [stdout] 30a45259082cb520f3427e9401d359dcc3d9f409f9016910087d51bd8269cf33
Dec 15 21:44:00.391 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 15 21:44:01.189 INFO [stdout] 40306e4323b4e795921f6b87dfe3b724e10381fcd4c10bf05e83572335b9fc42
Dec 15 21:44:01.191 INFO running `"docker" "start" "-a" "40306e4323b4e795921f6b87dfe3b724e10381fcd4c10bf05e83572335b9fc42"`
Dec 15 21:44:01.955 INFO [stderr] usermod: no changes
Dec 15 21:44:02.002 INFO [stderr]    Compiling balloon v0.0.1 (/source)
Dec 15 21:44:03.179 INFO [stderr] warning: method is never used: `get`
Dec 15 21:44:03.179 INFO [stderr]   --> src/buffer.rs:51:5
Dec 15 21:44:03.179 INFO [stderr]    |
Dec 15 21:44:03.179 INFO [stderr] 51 |     pub fn get(&self, index: usize) -> Option<&T> { self.back.get(index) }
Dec 15 21:44:03.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:44:03.179 INFO [stderr]    |
Dec 15 21:44:03.179 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 21:44:03.179 INFO [stderr] 
Dec 15 21:44:03.179 INFO [stderr] warning: method is never used: `get_mut`
Dec 15 21:44:03.179 INFO [stderr]   --> src/buffer.rs:54:5
Dec 15 21:44:03.179 INFO [stderr]    |
Dec 15 21:44:03.179 INFO [stderr] 54 |     pub fn get_mut(&mut self, index: usize) -> Option<&mut T> { self.back.get_mut(index) }
Dec 15 21:44:03.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:44:03.179 INFO [stderr] 
Dec 15 21:44:03.179 INFO [stderr] warning: method is never used: `clear`
Dec 15 21:44:03.179 INFO [stderr]   --> src/buffer.rs:57:5
Dec 15 21:44:03.179 INFO [stderr]    |
Dec 15 21:44:03.179 INFO [stderr] 57 |     pub fn clear(&mut self) { self.back.clear() }
Dec 15 21:44:03.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:44:03.179 INFO [stderr] 
Dec 15 21:44:03.179 INFO [stderr] warning: method is never used: `is_empty`
Dec 15 21:44:03.179 INFO [stderr]   --> src/buffer.rs:58:5
Dec 15 21:44:03.179 INFO [stderr]    |
Dec 15 21:44:03.179 INFO [stderr] 58 |     pub fn is_empty(&self) -> bool { self.back.is_empty() }
Dec 15 21:44:03.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:44:03.179 INFO [stderr] 
Dec 15 21:44:03.179 INFO [stderr] warning: method is never used: `len`
Dec 15 21:44:03.179 INFO [stderr]   --> src/buffer.rs:59:5
Dec 15 21:44:03.179 INFO [stderr]    |
Dec 15 21:44:03.179 INFO [stderr] 59 |     pub fn len(&self) -> usize { self.back.len() }
Dec 15 21:44:03.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:44:03.179 INFO [stderr] 
Dec 15 21:44:03.640 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 15 21:44:03.643 INFO [stderr] su: No module specific data is present
Dec 15 21:44:04.295 INFO running `"docker" "inspect" "40306e4323b4e795921f6b87dfe3b724e10381fcd4c10bf05e83572335b9fc42"`
Dec 15 21:44:04.517 INFO running `"docker" "rm" "-f" "40306e4323b4e795921f6b87dfe3b724e10381fcd4c10bf05e83572335b9fc42"`
Dec 15 21:44:04.683 INFO [stdout] 40306e4323b4e795921f6b87dfe3b724e10381fcd4c10bf05e83572335b9fc42
Dec 15 21:44:04.687 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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" "-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 15 21:44:05.011 INFO [stdout] 1005cc838d33b7c2d59507a4d39eca1c1ab712cabed8f5f9916597e8d882f7ba
Dec 15 21:44:05.015 INFO running `"docker" "start" "-a" "1005cc838d33b7c2d59507a4d39eca1c1ab712cabed8f5f9916597e8d882f7ba"`
Dec 15 21:44:05.695 INFO [stderr] usermod: no changes
Dec 15 21:44:05.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 15 21:44:05.771 INFO [stderr]      Running /target/debug/deps/balloon-8ab8b06165c089f8
Dec 15 21:44:05.775 INFO [stdout] 
Dec 15 21:44:05.775 INFO [stdout] running 1 test
Dec 15 21:44:05.895 INFO [stdout] test tests::it_works ... ok
Dec 15 21:44:05.895 INFO [stderr]    Doc-tests balloon
Dec 15 21:44:05.895 INFO [stdout] 
Dec 15 21:44:05.895 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:44:05.895 INFO [stdout] 
Dec 15 21:44:07.693 INFO [stdout] 
Dec 15 21:44:07.693 INFO [stdout] running 0 tests
Dec 15 21:44:07.693 INFO [stdout] 
Dec 15 21:44:07.693 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:44:07.693 INFO [stdout] 
Dec 15 21:44:07.701 INFO [stderr] su: No module specific data is present
Dec 15 21:44:08.030 INFO running `"docker" "inspect" "1005cc838d33b7c2d59507a4d39eca1c1ab712cabed8f5f9916597e8d882f7ba"`
Dec 15 21:44:08.127 INFO running `"docker" "rm" "-f" "1005cc838d33b7c2d59507a4d39eca1c1ab712cabed8f5f9916597e8d882f7ba"`
Dec 15 21:44:08.221 INFO [stdout] 1005cc838d33b7c2d59507a4d39eca1c1ab712cabed8f5f9916597e8d882f7ba