Dec 05 11:42:39.055 INFO checking ioc-0.6.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:42:39.055 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 11:42:39.287 INFO [stdout] ebaf0ac812c3ffb80ae7c71327c6b7babd9c59258760c82aa6f925dbc7679724
Dec 05 11:42:39.289 INFO running `"docker" "start" "-a" "ebaf0ac812c3ffb80ae7c71327c6b7babd9c59258760c82aa6f925dbc7679724"`
Dec 05 11:42:40.171 INFO [stderr] usermod: no changes
Dec 05 11:42:40.201 INFO [stderr]     Checking downcast v0.6.0
Dec 05 11:42:40.660 INFO [stderr]     Checking ioc v0.6.2 (/source)
Dec 05 11:42:41.601 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:42:41.601 INFO [stderr]  --> src/lib.rs:1:1
Dec 05 11:42:41.601 INFO [stderr]   |
Dec 05 11:42:41.601 INFO [stderr] 1 | #[macro_use] 
Dec 05 11:42:41.601 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:42:41.601 INFO [stderr]   |
Dec 05 11:42:41.601 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:42:41.601 INFO [stderr] 
Dec 05 11:42:41.607 INFO [stderr] warning: unused import: `TryLockError`
Dec 05 11:42:41.607 INFO [stderr]  --> src/container.rs:9:17
Dec 05 11:42:41.607 INFO [stderr]   |
Dec 05 11:42:41.607 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Dec 05 11:42:41.607 INFO [stderr]   |                 ^^^^^^^^^^^^
Dec 05 11:42:41.607 INFO [stderr] 
Dec 05 11:42:41.719 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:42:41.719 INFO [stderr]  --> src/lib.rs:1:1
Dec 05 11:42:41.719 INFO [stderr]   |
Dec 05 11:42:41.719 INFO [stderr] 1 | #[macro_use] 
Dec 05 11:42:41.719 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 11:42:41.719 INFO [stderr]   |
Dec 05 11:42:41.719 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:42:41.723 INFO [stderr] 
Dec 05 11:42:41.731 INFO [stderr] warning: unused import: `TryLockError`
Dec 05 11:42:41.731 INFO [stderr]  --> src/container.rs:9:17
Dec 05 11:42:41.731 INFO [stderr]   |
Dec 05 11:42:41.731 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Dec 05 11:42:41.731 INFO [stderr]   |                 ^^^^^^^^^^^^
Dec 05 11:42:41.731 INFO [stderr] 
Dec 05 11:42:46.587 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 11:42:46.587 INFO [stderr]   --> src/container.rs:18:33
Dec 05 11:42:46.587 INFO [stderr]    |
Dec 05 11:42:46.587 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Dec 05 11:42:46.587 INFO [stderr]    |                                 ^^^^^^
Dec 05 11:42:46.587 INFO [stderr]    |
Dec 05 11:42:46.587 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 05 11:42:46.587 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 11:42:46.587 INFO [stderr] 
Dec 05 11:42:46.587 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 11:42:46.587 INFO [stderr]   --> src/container.rs:19:34
Dec 05 11:42:46.587 INFO [stderr]    |
Dec 05 11:42:46.587 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Dec 05 11:42:46.587 INFO [stderr]    |                                  ^^^^^^
Dec 05 11:42:46.587 INFO [stderr]    |
Dec 05 11:42:46.587 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 11:42:46.587 INFO [stderr] 
Dec 05 11:42:46.630 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 11:42:46.630 INFO [stderr]   --> src/container.rs:18:33
Dec 05 11:42:46.630 INFO [stderr]    |
Dec 05 11:42:46.630 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Dec 05 11:42:46.630 INFO [stderr]    |                                 ^^^^^^
Dec 05 11:42:46.630 INFO [stderr]    |
Dec 05 11:42:46.630 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 05 11:42:46.630 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 11:42:46.630 INFO [stderr] 
Dec 05 11:42:46.630 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 11:42:46.630 INFO [stderr]   --> src/container.rs:19:34
Dec 05 11:42:46.630 INFO [stderr]    |
Dec 05 11:42:46.630 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Dec 05 11:42:46.630 INFO [stderr]    |                                  ^^^^^^
Dec 05 11:42:46.630 INFO [stderr]    |
Dec 05 11:42:46.630 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 11:42:46.630 INFO [stderr] 
Dec 05 11:42:46.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
Dec 05 11:42:46.662 INFO [stderr] su: No module specific data is present
Dec 05 11:42:47.067 INFO running `"docker" "inspect" "ebaf0ac812c3ffb80ae7c71327c6b7babd9c59258760c82aa6f925dbc7679724"`
Dec 05 11:42:47.251 INFO running `"docker" "rm" "-f" "ebaf0ac812c3ffb80ae7c71327c6b7babd9c59258760c82aa6f925dbc7679724"`
Dec 05 11:42:47.474 INFO [stdout] ebaf0ac812c3ffb80ae7c71327c6b7babd9c59258760c82aa6f925dbc7679724