Nov 30 20:48:00.140 INFO checking ioc-0.6.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 20:48:00.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 30 20:48:00.410 INFO [stdout] b41fae4e66c6ad485f4d100e30ee33f2cf29d4c1db76547ab8df705218d6d974
Nov 30 20:48:00.413 INFO running `"docker" "start" "-a" "b41fae4e66c6ad485f4d100e30ee33f2cf29d4c1db76547ab8df705218d6d974"`
Nov 30 20:48:01.499 INFO [stderr] usermod: no changes
Nov 30 20:48:01.568 INFO [stderr]     Checking downcast v0.6.0
Nov 30 20:48:02.160 INFO [stderr]     Checking ioc v0.6.2 (/source)
Nov 30 20:48:02.876 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 20:48:02.876 INFO [stderr]  --> src/lib.rs:1:1
Nov 30 20:48:02.876 INFO [stderr]   |
Nov 30 20:48:02.876 INFO [stderr] 1 | #[macro_use] 
Nov 30 20:48:02.876 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 20:48:02.876 INFO [stderr]   |
Nov 30 20:48:02.876 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 20:48:02.876 INFO [stderr] 
Nov 30 20:48:02.876 INFO [stderr] warning: unused import: `TryLockError`
Nov 30 20:48:02.876 INFO [stderr]  --> src/container.rs:9:17
Nov 30 20:48:02.876 INFO [stderr]   |
Nov 30 20:48:02.876 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Nov 30 20:48:02.876 INFO [stderr]   |                 ^^^^^^^^^^^^
Nov 30 20:48:02.876 INFO [stderr] 
Nov 30 20:48:03.044 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 20:48:03.044 INFO [stderr]  --> src/lib.rs:1:1
Nov 30 20:48:03.044 INFO [stderr]   |
Nov 30 20:48:03.044 INFO [stderr] 1 | #[macro_use] 
Nov 30 20:48:03.044 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 20:48:03.044 INFO [stderr]   |
Nov 30 20:48:03.044 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 20:48:03.044 INFO [stderr] 
Nov 30 20:48:03.056 INFO [stderr] warning: unused import: `TryLockError`
Nov 30 20:48:03.056 INFO [stderr]  --> src/container.rs:9:17
Nov 30 20:48:03.056 INFO [stderr]   |
Nov 30 20:48:03.056 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Nov 30 20:48:03.056 INFO [stderr]   |                 ^^^^^^^^^^^^
Nov 30 20:48:03.056 INFO [stderr] 
Nov 30 20:48:07.816 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:07.816 INFO [stderr]   --> src/container.rs:18:33
Nov 30 20:48:07.816 INFO [stderr]    |
Nov 30 20:48:07.816 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Nov 30 20:48:07.816 INFO [stderr]    |                                 ^^^^^^
Nov 30 20:48:07.816 INFO [stderr]    |
Nov 30 20:48:07.816 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Nov 30 20:48:07.816 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:07.816 INFO [stderr] 
Nov 30 20:48:07.816 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:07.816 INFO [stderr]   --> src/container.rs:19:34
Nov 30 20:48:07.816 INFO [stderr]    |
Nov 30 20:48:07.816 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Nov 30 20:48:07.816 INFO [stderr]    |                                  ^^^^^^
Nov 30 20:48:07.816 INFO [stderr]    |
Nov 30 20:48:07.816 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:07.816 INFO [stderr] 
Nov 30 20:48:07.972 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:07.972 INFO [stderr]   --> src/container.rs:18:33
Nov 30 20:48:07.972 INFO [stderr]    |
Nov 30 20:48:07.972 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Nov 30 20:48:07.972 INFO [stderr]    |                                 ^^^^^^
Nov 30 20:48:07.972 INFO [stderr]    |
Nov 30 20:48:07.972 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Nov 30 20:48:07.972 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:07.972 INFO [stderr] 
Nov 30 20:48:07.972 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:07.972 INFO [stderr]   --> src/container.rs:19:34
Nov 30 20:48:07.972 INFO [stderr]    |
Nov 30 20:48:07.972 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Nov 30 20:48:07.972 INFO [stderr]    |                                  ^^^^^^
Nov 30 20:48:07.972 INFO [stderr]    |
Nov 30 20:48:07.972 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:07.972 INFO [stderr] 
Nov 30 20:48:07.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
Nov 30 20:48:07.996 INFO [stderr] su: No module specific data is present
Nov 30 20:48:08.352 INFO running `"docker" "inspect" "b41fae4e66c6ad485f4d100e30ee33f2cf29d4c1db76547ab8df705218d6d974"`
Nov 30 20:48:08.537 INFO running `"docker" "rm" "-f" "b41fae4e66c6ad485f4d100e30ee33f2cf29d4c1db76547ab8df705218d6d974"`
Nov 30 20:48:08.683 INFO [stdout] b41fae4e66c6ad485f4d100e30ee33f2cf29d4c1db76547ab8df705218d6d974