Nov 30 20:48:00.169 INFO checking ioc-0.6.2 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 20:48:00.169 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 20:48:00.391 INFO [stdout] a6273c4749b41842ea639c21a757aff1ebe34f41e2004681f99666351f7c91e1
Nov 30 20:48:00.394 INFO running `"docker" "start" "-a" "a6273c4749b41842ea639c21a757aff1ebe34f41e2004681f99666351f7c91e1"`
Nov 30 20:48:01.086 INFO [stderr] usermod: no changes
Nov 30 20:48:01.136 INFO [stderr]     Checking ioc v0.6.2 (/source)
Nov 30 20:48:01.992 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 20:48:01.992 INFO [stderr]  --> src/lib.rs:1:1
Nov 30 20:48:01.992 INFO [stderr]   |
Nov 30 20:48:01.992 INFO [stderr] 1 | #[macro_use] 
Nov 30 20:48:01.992 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 20:48:01.992 INFO [stderr]   |
Nov 30 20:48:01.992 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 20:48:01.992 INFO [stderr] 
Nov 30 20:48:01.993 INFO [stderr] warning: unused import: `TryLockError`
Nov 30 20:48:01.993 INFO [stderr]  --> src/container.rs:9:17
Nov 30 20:48:01.993 INFO [stderr]   |
Nov 30 20:48:01.993 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Nov 30 20:48:01.993 INFO [stderr]   |                 ^^^^^^^^^^^^
Nov 30 20:48:01.993 INFO [stderr] 
Nov 30 20:48:02.295 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 20:48:02.295 INFO [stderr]  --> src/lib.rs:1:1
Nov 30 20:48:02.295 INFO [stderr]   |
Nov 30 20:48:02.295 INFO [stderr] 1 | #[macro_use] 
Nov 30 20:48:02.295 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 20:48:02.295 INFO [stderr]   |
Nov 30 20:48:02.295 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 20:48:02.296 INFO [stderr] 
Nov 30 20:48:02.300 INFO [stderr] warning: unused import: `TryLockError`
Nov 30 20:48:02.300 INFO [stderr]  --> src/container.rs:9:17
Nov 30 20:48:02.300 INFO [stderr]   |
Nov 30 20:48:02.300 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Nov 30 20:48:02.300 INFO [stderr]   |                 ^^^^^^^^^^^^
Nov 30 20:48:02.300 INFO [stderr] 
Nov 30 20:48:06.725 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:06.725 INFO [stderr]   --> src/container.rs:18:33
Nov 30 20:48:06.725 INFO [stderr]    |
Nov 30 20:48:06.725 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Nov 30 20:48:06.725 INFO [stderr]    |                                 ^^^^^^
Nov 30 20:48:06.725 INFO [stderr]    |
Nov 30 20:48:06.725 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Nov 30 20:48:06.725 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:06.725 INFO [stderr] 
Nov 30 20:48:06.725 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:06.725 INFO [stderr]   --> src/container.rs:19:34
Nov 30 20:48:06.725 INFO [stderr]    |
Nov 30 20:48:06.725 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Nov 30 20:48:06.725 INFO [stderr]    |                                  ^^^^^^
Nov 30 20:48:06.725 INFO [stderr]    |
Nov 30 20:48:06.725 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:06.725 INFO [stderr] 
Nov 30 20:48:07.372 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:07.372 INFO [stderr]   --> src/container.rs:18:33
Nov 30 20:48:07.372 INFO [stderr]    |
Nov 30 20:48:07.372 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Nov 30 20:48:07.372 INFO [stderr]    |                                 ^^^^^^
Nov 30 20:48:07.372 INFO [stderr]    |
Nov 30 20:48:07.372 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Nov 30 20:48:07.372 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:07.372 INFO [stderr] 
Nov 30 20:48:07.372 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 30 20:48:07.372 INFO [stderr]   --> src/container.rs:19:34
Nov 30 20:48:07.372 INFO [stderr]    |
Nov 30 20:48:07.372 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Nov 30 20:48:07.372 INFO [stderr]    |                                  ^^^^^^
Nov 30 20:48:07.372 INFO [stderr]    |
Nov 30 20:48:07.372 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 30 20:48:07.376 INFO [stderr] 
Nov 30 20:48:07.440 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.33s
Nov 30 20:48:07.444 INFO [stderr] su: No module specific data is present
Nov 30 20:48:07.906 INFO running `"docker" "inspect" "a6273c4749b41842ea639c21a757aff1ebe34f41e2004681f99666351f7c91e1"`
Nov 30 20:48:08.009 INFO running `"docker" "rm" "-f" "a6273c4749b41842ea639c21a757aff1ebe34f41e2004681f99666351f7c91e1"`
Nov 30 20:48:08.224 INFO [stdout] a6273c4749b41842ea639c21a757aff1ebe34f41e2004681f99666351f7c91e1