[INFO] updating cached repository Gregory-Meyer/spinlock-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gregory-Meyer/spinlock-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gregory-Meyer/spinlock-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/Gregory-Meyer/spinlock-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Gregory-Meyer/spinlock-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gregory-Meyer/spinlock-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gregory-Meyer/spinlock-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gregory-Meyer/spinlock-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0adbb47c6d77538ee23bbb30aea3f59079bd1ae4
[INFO] sha for GitHub repo Gregory-Meyer/spinlock-rs: 0adbb47c6d77538ee23bbb30aea3f59079bd1ae4
[INFO] validating manifest of Gregory-Meyer/spinlock-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Gregory-Meyer/spinlock-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Gregory-Meyer/spinlock-rs
[INFO] finished frobbing Gregory-Meyer/spinlock-rs
[INFO] frobbed toml for Gregory-Meyer/spinlock-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/Gregory-Meyer/spinlock-rs/Cargo.toml
[INFO] started frobbing Gregory-Meyer/spinlock-rs
[INFO] finished frobbing Gregory-Meyer/spinlock-rs
[INFO] frobbed toml for Gregory-Meyer/spinlock-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gregory-Meyer/spinlock-rs/Cargo.toml
[INFO] crate Gregory-Meyer/spinlock-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Gregory-Meyer/spinlock-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gregory-Meyer/spinlock-rs:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] be034201779fb750152cce3fc0d5f4f07e804561c13119e4fa0890e54677a4bd
[INFO] running `"docker" "start" "-a" "be034201779fb750152cce3fc0d5f4f07e804561c13119e4fa0890e54677a4bd"`
[INFO] [stderr]    Compiling spinlock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/spinlock.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |             is_locked: std::sync::atomic::ATOMIC_BOOL_INIT,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/spinlock.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |             is_poisoned: std::sync::atomic::ATOMIC_BOOL_INIT,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_inner`
[INFO] [stderr]   --> src/spinlock.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn into_inner(self) -> std::sync::LockResult<T> where T: Sized {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/spinlock.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn get_mut(&mut self) -> std::sync::LockResult<&mut T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "be034201779fb750152cce3fc0d5f4f07e804561c13119e4fa0890e54677a4bd"`
[INFO] running `"docker" "rm" "-f" "be034201779fb750152cce3fc0d5f4f07e804561c13119e4fa0890e54677a4bd"`
[INFO] [stdout] be034201779fb750152cce3fc0d5f4f07e804561c13119e4fa0890e54677a4bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gregory-Meyer/spinlock-rs:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b7b369ccfc0bad3cb92cff0113f2e47c903c0c8963905852368f3c1688a5603e
[INFO] running `"docker" "start" "-a" "b7b369ccfc0bad3cb92cff0113f2e47c903c0c8963905852368f3c1688a5603e"`
[INFO] [stderr]    Compiling spinlock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/spinlock.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |             is_locked: std::sync::atomic::ATOMIC_BOOL_INIT,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/spinlock.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |             is_poisoned: std::sync::atomic::ATOMIC_BOOL_INIT,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_inner`
[INFO] [stderr]   --> src/spinlock.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn into_inner(self) -> std::sync::LockResult<T> where T: Sized {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/spinlock.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn get_mut(&mut self) -> std::sync::LockResult<&mut T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "b7b369ccfc0bad3cb92cff0113f2e47c903c0c8963905852368f3c1688a5603e"`
[INFO] running `"docker" "rm" "-f" "b7b369ccfc0bad3cb92cff0113f2e47c903c0c8963905852368f3c1688a5603e"`
[INFO] [stdout] b7b369ccfc0bad3cb92cff0113f2e47c903c0c8963905852368f3c1688a5603e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gregory-Meyer/spinlock-rs:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6d87da598c43696648c48ae9fa169cbd6688d3f650f028137b40a253bf3dc1ea
[INFO] running `"docker" "start" "-a" "6d87da598c43696648c48ae9fa169cbd6688d3f650f028137b40a253bf3dc1ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spinlock-b9011bd98ad38f8f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test spinlock::tests::already_locked ... ok
[INFO] [stdout] test spinlock::tests::poisoned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6d87da598c43696648c48ae9fa169cbd6688d3f650f028137b40a253bf3dc1ea"`
[INFO] running `"docker" "rm" "-f" "6d87da598c43696648c48ae9fa169cbd6688d3f650f028137b40a253bf3dc1ea"`
[INFO] [stdout] 6d87da598c43696648c48ae9fa169cbd6688d3f650f028137b40a253bf3dc1ea