Nov 28 23:23:56.181 INFO checking ioc-0.6.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:23:56.182 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 23:23:56.420 INFO [stdout] 48e2c49977b9823ff68595599a03a99c9532339025795360b6975d3289f23825
Nov 28 23:23:56.422 INFO running `"docker" "start" "-a" "48e2c49977b9823ff68595599a03a99c9532339025795360b6975d3289f23825"`
Nov 28 23:23:57.361 INFO [stderr] usermod: no changes
Nov 28 23:23:57.464 INFO [stderr]     Checking downcast v0.6.0
Nov 28 23:23:58.017 INFO [stderr]     Checking ioc v0.6.2 (/source)
Nov 28 23:23:58.660 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 23:23:58.661 INFO [stderr]  --> src/lib.rs:1:1
Nov 28 23:23:58.661 INFO [stderr]   |
Nov 28 23:23:58.662 INFO [stderr] 1 | #[macro_use] 
Nov 28 23:23:58.662 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 23:23:58.662 INFO [stderr]   |
Nov 28 23:23:58.662 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 23:23:58.663 INFO [stderr] 
Nov 28 23:23:58.664 INFO [stderr] warning: unused import: `TryLockError`
Nov 28 23:23:58.664 INFO [stderr]  --> src/container.rs:9:17
Nov 28 23:23:58.664 INFO [stderr]   |
Nov 28 23:23:58.664 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Nov 28 23:23:58.664 INFO [stderr]   |                 ^^^^^^^^^^^^
Nov 28 23:23:58.664 INFO [stderr] 
Nov 28 23:23:58.796 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 23:23:58.796 INFO [stderr]  --> src/lib.rs:1:1
Nov 28 23:23:58.796 INFO [stderr]   |
Nov 28 23:23:58.796 INFO [stderr] 1 | #[macro_use] 
Nov 28 23:23:58.796 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 23:23:58.796 INFO [stderr]   |
Nov 28 23:23:58.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 23:23:58.796 INFO [stderr] 
Nov 28 23:23:58.796 INFO [stderr] warning: unused import: `TryLockError`
Nov 28 23:23:58.796 INFO [stderr]  --> src/container.rs:9:17
Nov 28 23:23:58.796 INFO [stderr]   |
Nov 28 23:23:58.796 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Nov 28 23:23:58.796 INFO [stderr]   |                 ^^^^^^^^^^^^
Nov 28 23:23:58.796 INFO [stderr] 
Nov 28 23:24:04.100 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 28 23:24:04.100 INFO [stderr]   --> src/container.rs:18:33
Nov 28 23:24:04.100 INFO [stderr]    |
Nov 28 23:24:04.100 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Nov 28 23:24:04.100 INFO [stderr]    |                                 ^^^^^^
Nov 28 23:24:04.100 INFO [stderr]    |
Nov 28 23:24:04.100 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Nov 28 23:24:04.100 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 28 23:24:04.100 INFO [stderr] 
Nov 28 23:24:04.100 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 28 23:24:04.100 INFO [stderr]   --> src/container.rs:19:34
Nov 28 23:24:04.100 INFO [stderr]    |
Nov 28 23:24:04.100 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Nov 28 23:24:04.100 INFO [stderr]    |                                  ^^^^^^
Nov 28 23:24:04.100 INFO [stderr]    |
Nov 28 23:24:04.100 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 28 23:24:04.100 INFO [stderr] 
Nov 28 23:24:04.399 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 28 23:24:04.399 INFO [stderr]   --> src/container.rs:18:33
Nov 28 23:24:04.399 INFO [stderr]    |
Nov 28 23:24:04.399 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Nov 28 23:24:04.400 INFO [stderr]    |                                 ^^^^^^
Nov 28 23:24:04.400 INFO [stderr]    |
Nov 28 23:24:04.400 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Nov 28 23:24:04.401 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 28 23:24:04.401 INFO [stderr] 
Nov 28 23:24:04.401 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Nov 28 23:24:04.401 INFO [stderr]   --> src/container.rs:19:34
Nov 28 23:24:04.402 INFO [stderr]    |
Nov 28 23:24:04.402 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Nov 28 23:24:04.402 INFO [stderr]    |                                  ^^^^^^
Nov 28 23:24:04.402 INFO [stderr]    |
Nov 28 23:24:04.403 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Nov 28 23:24:04.403 INFO [stderr] 
Nov 28 23:24:04.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
Nov 28 23:24:04.449 INFO [stderr] su: No module specific data is present
Nov 28 23:24:04.918 INFO running `"docker" "inspect" "48e2c49977b9823ff68595599a03a99c9532339025795360b6975d3289f23825"`
Nov 28 23:24:05.066 INFO running `"docker" "rm" "-f" "48e2c49977b9823ff68595599a03a99c9532339025795360b6975d3289f23825"`
Nov 28 23:24:05.224 INFO [stdout] 48e2c49977b9823ff68595599a03a99c9532339025795360b6975d3289f23825