Dec 07 10:04:42.835 INFO testing ioc-0.6.2 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 10:04:42.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 10:04:43.298 INFO [stdout] 236e654cbe994179a5de50f318baf78e4e7ac3f1c073d103880ba33540a9cb50
Dec 07 10:04:43.299 INFO running `"docker" "start" "-a" "236e654cbe994179a5de50f318baf78e4e7ac3f1c073d103880ba33540a9cb50"`
Dec 07 10:04:44.890 INFO [stderr] usermod: no changes
Dec 07 10:04:44.936 INFO [stderr]    Compiling downcast v0.6.0
Dec 07 10:04:45.612 INFO [stderr]    Compiling ioc v0.6.2 (/source)
Dec 07 10:04:46.288 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 10:04:46.288 INFO [stderr]  --> src/lib.rs:1:1
Dec 07 10:04:46.288 INFO [stderr]   |
Dec 07 10:04:46.288 INFO [stderr] 1 | #[macro_use] 
Dec 07 10:04:46.288 INFO [stderr]   | ^^^^^^^^^^^^
Dec 07 10:04:46.288 INFO [stderr]   |
Dec 07 10:04:46.288 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 10:04:46.288 INFO [stderr] 
Dec 07 10:04:46.292 INFO [stderr] warning: unused import: `TryLockError`
Dec 07 10:04:46.292 INFO [stderr]  --> src/container.rs:9:17
Dec 07 10:04:46.292 INFO [stderr]   |
Dec 07 10:04:46.292 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Dec 07 10:04:46.292 INFO [stderr]   |                 ^^^^^^^^^^^^
Dec 07 10:04:46.292 INFO [stderr] 
Dec 07 10:04:50.628 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:04:50.628 INFO [stderr]   --> src/container.rs:18:33
Dec 07 10:04:50.628 INFO [stderr]    |
Dec 07 10:04:50.628 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Dec 07 10:04:50.628 INFO [stderr]    |                                 ^^^^^^
Dec 07 10:04:50.628 INFO [stderr]    |
Dec 07 10:04:50.628 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 07 10:04:50.628 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:04:50.628 INFO [stderr] 
Dec 07 10:04:50.628 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:04:50.628 INFO [stderr]   --> src/container.rs:19:34
Dec 07 10:04:50.628 INFO [stderr]    |
Dec 07 10:04:50.628 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Dec 07 10:04:50.628 INFO [stderr]    |                                  ^^^^^^
Dec 07 10:04:50.628 INFO [stderr]    |
Dec 07 10:04:50.628 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:04:50.628 INFO [stderr] 
Dec 07 10:04:51.144 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
Dec 07 10:04:51.144 INFO [stderr] su: No module specific data is present
Dec 07 10:04:51.812 INFO running `"docker" "inspect" "236e654cbe994179a5de50f318baf78e4e7ac3f1c073d103880ba33540a9cb50"`
Dec 07 10:04:52.072 INFO running `"docker" "rm" "-f" "236e654cbe994179a5de50f318baf78e4e7ac3f1c073d103880ba33540a9cb50"`
Dec 07 10:04:52.420 INFO [stdout] 236e654cbe994179a5de50f318baf78e4e7ac3f1c073d103880ba33540a9cb50
Dec 07 10:04:52.432 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 10:04:52.774 INFO [stdout] df893f08a4ffcdb2ebae1720d6e0b555ec60e5e3d5eb5069928e04fb45ac43e1
Dec 07 10:04:52.776 INFO running `"docker" "start" "-a" "df893f08a4ffcdb2ebae1720d6e0b555ec60e5e3d5eb5069928e04fb45ac43e1"`
Dec 07 10:04:53.832 INFO [stderr] usermod: no changes
Dec 07 10:04:53.884 INFO [stderr]    Compiling ioc v0.6.2 (/source)
Dec 07 10:04:54.708 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 10:04:54.708 INFO [stderr]  --> src/lib.rs:1:1
Dec 07 10:04:54.708 INFO [stderr]   |
Dec 07 10:04:54.708 INFO [stderr] 1 | #[macro_use] 
Dec 07 10:04:54.708 INFO [stderr]   | ^^^^^^^^^^^^
Dec 07 10:04:54.708 INFO [stderr]   |
Dec 07 10:04:54.708 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 10:04:54.708 INFO [stderr] 
Dec 07 10:04:54.708 INFO [stderr] warning: unused import: `TryLockError`
Dec 07 10:04:54.708 INFO [stderr]  --> src/container.rs:9:17
Dec 07 10:04:54.708 INFO [stderr]   |
Dec 07 10:04:54.708 INFO [stderr] 9 | use std::sync::{TryLockError, Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
Dec 07 10:04:54.708 INFO [stderr]   |                 ^^^^^^^^^^^^
Dec 07 10:04:54.708 INFO [stderr] 
Dec 07 10:04:58.960 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:04:58.960 INFO [stderr]   --> src/container.rs:18:33
Dec 07 10:04:58.960 INFO [stderr]    |
Dec 07 10:04:58.960 INFO [stderr] 18 | pub type ReadGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockReadGuard<'a, Box<Base>>>;
Dec 07 10:04:58.960 INFO [stderr]    |                                 ^^^^^^
Dec 07 10:04:58.960 INFO [stderr]    |
Dec 07 10:04:58.960 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 07 10:04:58.960 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:04:58.960 INFO [stderr] 
Dec 07 10:04:58.960 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 07 10:04:58.960 INFO [stderr]   --> src/container.rs:19:34
Dec 07 10:04:58.960 INFO [stderr]    |
Dec 07 10:04:58.960 INFO [stderr] 19 | pub type WriteGuard<'a, T, Base: ?Sized> = downcast::Guard<T, RwLockWriteGuard<'a, Box<Base>>>;
Dec 07 10:04:58.960 INFO [stderr]    |                                  ^^^^^^
Dec 07 10:04:58.960 INFO [stderr]    |
Dec 07 10:04:58.960 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 07 10:04:58.960 INFO [stderr] 
Dec 07 10:04:59.338 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
Dec 07 10:04:59.341 INFO [stderr] su: No module specific data is present
Dec 07 10:04:59.846 INFO running `"docker" "inspect" "df893f08a4ffcdb2ebae1720d6e0b555ec60e5e3d5eb5069928e04fb45ac43e1"`
Dec 07 10:05:00.054 INFO running `"docker" "rm" "-f" "df893f08a4ffcdb2ebae1720d6e0b555ec60e5e3d5eb5069928e04fb45ac43e1"`
Dec 07 10:05:00.348 INFO [stdout] df893f08a4ffcdb2ebae1720d6e0b555ec60e5e3d5eb5069928e04fb45ac43e1