Dec 07 10:04:44.965 INFO testing ioc-0.6.2 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 10:04:44.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 10:04:45.360 INFO [stdout] e4d0d8b0808247d70ca094c6b6e5ea5b54fb3c3c09a689264365c1c5eae25c91
Dec 07 10:04:45.362 INFO running `"docker" "start" "-a" "e4d0d8b0808247d70ca094c6b6e5ea5b54fb3c3c09a689264365c1c5eae25c91"`
Dec 07 10:04:46.516 INFO [stderr] usermod: no changes
Dec 07 10:04:46.625 INFO [stderr]    Compiling ioc v0.6.2 (/source)
Dec 07 10:04:47.436 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 10:04:47.436 INFO [stderr]  --> src/lib.rs:1:1
Dec 07 10:04:47.436 INFO [stderr]   |
Dec 07 10:04:47.436 INFO [stderr] 1 | #[macro_use] 
Dec 07 10:04:47.436 INFO [stderr]   | ^^^^^^^^^^^^
Dec 07 10:04:47.436 INFO [stderr]   |
Dec 07 10:04:47.436 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 10:04:47.436 INFO [stderr] 
Dec 07 10:04:47.436 INFO [stderr] warning: unused import: `TryLockError`
Dec 07 10:04:47.436 INFO [stderr]  --> src/container.rs:9:17
Dec 07 10:04:47.436 INFO [stderr]   |
Dec 07 10:04:47.436 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Dec 07 10:04:47.436 INFO [stderr]   |                 ^^^^^^^^^^^^
Dec 07 10:04:47.436 INFO [stderr] 
Dec 07 10:04:51.692 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:04:51.692 INFO [stderr]   --> src/container.rs:18:33
Dec 07 10:04:51.692 INFO [stderr]    |
Dec 07 10:04:51.692 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Dec 07 10:04:51.692 INFO [stderr]    |                                 ^^^^^^
Dec 07 10:04:51.692 INFO [stderr]    |
Dec 07 10:04:51.692 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 07 10:04:51.692 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:04:51.692 INFO [stderr] 
Dec 07 10:04:51.692 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:04:51.692 INFO [stderr]   --> src/container.rs:19:34
Dec 07 10:04:51.692 INFO [stderr]    |
Dec 07 10:04:51.692 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Dec 07 10:04:51.692 INFO [stderr]    |                                  ^^^^^^
Dec 07 10:04:51.692 INFO [stderr]    |
Dec 07 10:04:51.692 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:04:51.692 INFO [stderr] 
Dec 07 10:04:52.268 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.72s
Dec 07 10:04:52.268 INFO [stderr] su: No module specific data is present
Dec 07 10:04:52.785 INFO running `"docker" "inspect" "e4d0d8b0808247d70ca094c6b6e5ea5b54fb3c3c09a689264365c1c5eae25c91"`
Dec 07 10:04:53.040 INFO running `"docker" "rm" "-f" "e4d0d8b0808247d70ca094c6b6e5ea5b54fb3c3c09a689264365c1c5eae25c91"`
Dec 07 10:04:53.328 INFO [stdout] e4d0d8b0808247d70ca094c6b6e5ea5b54fb3c3c09a689264365c1c5eae25c91
Dec 07 10:04:53.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 10:04:53.728 INFO [stdout] 2d0b6ac8ebd0639b3549e285389538f863b78b4e5e30cf7fa5287c846be4ed67
Dec 07 10:04:53.728 INFO running `"docker" "start" "-a" "2d0b6ac8ebd0639b3549e285389538f863b78b4e5e30cf7fa5287c846be4ed67"`
Dec 07 10:04:54.843 INFO [stderr] usermod: no changes
Dec 07 10:04:54.897 INFO [stderr]    Compiling ioc v0.6.2 (/source)
Dec 07 10:04:55.800 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 10:04:55.800 INFO [stderr]  --> src/lib.rs:1:1
Dec 07 10:04:55.800 INFO [stderr]   |
Dec 07 10:04:55.800 INFO [stderr] 1 | #[macro_use] 
Dec 07 10:04:55.800 INFO [stderr]   | ^^^^^^^^^^^^
Dec 07 10:04:55.800 INFO [stderr]   |
Dec 07 10:04:55.804 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 10:04:55.804 INFO [stderr] 
Dec 07 10:04:55.804 INFO [stderr] warning: unused import: `TryLockError`
Dec 07 10:04:55.804 INFO [stderr]  --> src/container.rs:9:17
Dec 07 10:04:55.804 INFO [stderr]   |
Dec 07 10:04:55.804 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Dec 07 10:04:55.804 INFO [stderr]   |                 ^^^^^^^^^^^^
Dec 07 10:04:55.804 INFO [stderr] 
Dec 07 10:05:00.132 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:05:00.132 INFO [stderr]   --> src/container.rs:18:33
Dec 07 10:05:00.132 INFO [stderr]    |
Dec 07 10:05:00.132 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Dec 07 10:05:00.132 INFO [stderr]    |                                 ^^^^^^
Dec 07 10:05:00.132 INFO [stderr]    |
Dec 07 10:05:00.132 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 07 10:05:00.132 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:05:00.132 INFO [stderr] 
Dec 07 10:05:00.132 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:05:00.132 INFO [stderr]   --> src/container.rs:19:34
Dec 07 10:05:00.132 INFO [stderr]    |
Dec 07 10:05:00.132 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Dec 07 10:05:00.132 INFO [stderr]    |                                  ^^^^^^
Dec 07 10:05:00.132 INFO [stderr]    |
Dec 07 10:05:00.132 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:05:00.132 INFO [stderr] 
Dec 07 10:05:00.430 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
Dec 07 10:05:00.438 INFO [stderr] su: No module specific data is present
Dec 07 10:05:01.008 INFO running `"docker" "inspect" "2d0b6ac8ebd0639b3549e285389538f863b78b4e5e30cf7fa5287c846be4ed67"`
Dec 07 10:05:01.352 INFO running `"docker" "rm" "-f" "2d0b6ac8ebd0639b3549e285389538f863b78b4e5e30cf7fa5287c846be4ed67"`
Dec 07 10:05:01.572 INFO [stdout] 2d0b6ac8ebd0639b3549e285389538f863b78b4e5e30cf7fa5287c846be4ed67