Dec 05 16:30:43.827 INFO checking aterm-0.20.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:30:43.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:30:44.272 INFO [stdout] 1273832d28453da61642a58907ca45f1d9100d31359f093098e299652b511464
Dec 05 16:30:44.282 INFO running `"docker" "start" "-a" "1273832d28453da61642a58907ca45f1d9100d31359f093098e299652b511464"`
Dec 05 16:30:45.647 INFO [stderr] usermod: no changes
Dec 05 16:30:45.766 INFO [stderr]     Checking aterm v0.20.0 (/source)
Dec 05 16:30:47.473 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:30:47.473 INFO [stderr]    --> src/rc/mod.rs:221:13
Dec 05 16:30:47.473 INFO [stderr]     |
Dec 05 16:30:47.473 INFO [stderr] 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 05 16:30:47.473 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 05 16:30:47.473 INFO [stderr]     |             |
Dec 05 16:30:47.473 INFO [stderr]     |             help: remove this `mut`
Dec 05 16:30:47.473 INFO [stderr]     |
Dec 05 16:30:47.473 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:30:47.473 INFO [stderr] 
Dec 05 16:30:47.484 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:30:47.491 INFO [stderr]   --> src/rc/shared.rs:78:13
Dec 05 16:30:47.492 INFO [stderr]    |
Dec 05 16:30:47.492 INFO [stderr] 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 05 16:30:47.492 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 05 16:30:47.492 INFO [stderr]    |             |
Dec 05 16:30:47.492 INFO [stderr]    |             help: remove this `mut`
Dec 05 16:30:47.492 INFO [stderr] 
Dec 05 16:30:47.582 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 16:30:47.583 INFO [stderr]   --> src/rc/mod.rs:71:19
Dec 05 16:30:47.583 INFO [stderr]    |
Dec 05 16:30:47.583 INFO [stderr] 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
Dec 05 16:30:47.583 INFO [stderr]    |                   ^^^^^^^^^^
Dec 05 16:30:47.583 INFO [stderr]    |
Dec 05 16:30:47.583 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 05 16:30:47.583 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 16:30:47.583 INFO [stderr] 
Dec 05 16:30:48.167 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:30:48.167 INFO [stderr]    --> src/rc/mod.rs:221:13
Dec 05 16:30:48.167 INFO [stderr]     |
Dec 05 16:30:48.167 INFO [stderr] 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 05 16:30:48.167 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 05 16:30:48.167 INFO [stderr]     |             |
Dec 05 16:30:48.167 INFO [stderr]     |             help: remove this `mut`
Dec 05 16:30:48.167 INFO [stderr]     |
Dec 05 16:30:48.167 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:30:48.167 INFO [stderr] 
Dec 05 16:30:48.185 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:30:48.185 INFO [stderr]   --> src/rc/shared.rs:78:13
Dec 05 16:30:48.185 INFO [stderr]    |
Dec 05 16:30:48.185 INFO [stderr] 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 05 16:30:48.185 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 05 16:30:48.185 INFO [stderr]    |             |
Dec 05 16:30:48.185 INFO [stderr]    |             help: remove this `mut`
Dec 05 16:30:48.185 INFO [stderr] 
Dec 05 16:30:48.351 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 16:30:48.351 INFO [stderr]   --> src/rc/mod.rs:71:19
Dec 05 16:30:48.351 INFO [stderr]    |
Dec 05 16:30:48.351 INFO [stderr] 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
Dec 05 16:30:48.351 INFO [stderr]    |                   ^^^^^^^^^^
Dec 05 16:30:48.351 INFO [stderr]    |
Dec 05 16:30:48.351 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 05 16:30:48.351 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 16:30:48.351 INFO [stderr] 
Dec 05 16:30:50.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
Dec 05 16:30:50.140 INFO [stderr] su: No module specific data is present
Dec 05 16:30:50.841 INFO running `"docker" "inspect" "1273832d28453da61642a58907ca45f1d9100d31359f093098e299652b511464"`
Dec 05 16:30:51.128 INFO running `"docker" "rm" "-f" "1273832d28453da61642a58907ca45f1d9100d31359f093098e299652b511464"`
Dec 05 16:30:51.358 INFO [stdout] 1273832d28453da61642a58907ca45f1d9100d31359f093098e299652b511464