Dec 01 01:49:39.051 INFO checking aterm-0.20.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 01:49:39.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 01 01:49:39.436 INFO [stdout] 2b494f36ce5f3d7d49d7bf4e61d52264d063193570c32ac56f7df880935bd300
Dec 01 01:49:39.444 INFO running `"docker" "start" "-a" "2b494f36ce5f3d7d49d7bf4e61d52264d063193570c32ac56f7df880935bd300"`
Dec 01 01:49:40.362 INFO [stderr] usermod: no changes
Dec 01 01:49:40.417 INFO [stderr]     Checking aterm v0.20.0 (/source)
Dec 01 01:49:42.088 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:49:42.088 INFO [stderr]    --> src/rc/mod.rs:221:13
Dec 01 01:49:42.088 INFO [stderr]     |
Dec 01 01:49:42.088 INFO [stderr] 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 01 01:49:42.088 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 01 01:49:42.088 INFO [stderr]     |             |
Dec 01 01:49:42.088 INFO [stderr]     |             help: remove this `mut`
Dec 01 01:49:42.088 INFO [stderr]     |
Dec 01 01:49:42.088 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 01:49:42.088 INFO [stderr] 
Dec 01 01:49:42.104 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:49:42.104 INFO [stderr]   --> src/rc/shared.rs:78:13
Dec 01 01:49:42.104 INFO [stderr]    |
Dec 01 01:49:42.104 INFO [stderr] 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 01 01:49:42.104 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 01 01:49:42.104 INFO [stderr]    |             |
Dec 01 01:49:42.104 INFO [stderr]    |             help: remove this `mut`
Dec 01 01:49:42.104 INFO [stderr] 
Dec 01 01:49:42.198 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 01 01:49:42.198 INFO [stderr]   --> src/rc/mod.rs:71:19
Dec 01 01:49:42.198 INFO [stderr]    |
Dec 01 01:49:42.198 INFO [stderr] 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
Dec 01 01:49:42.198 INFO [stderr]    |                   ^^^^^^^^^^
Dec 01 01:49:42.200 INFO [stderr]    |
Dec 01 01:49:42.200 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 01 01:49:42.200 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 01 01:49:42.200 INFO [stderr] 
Dec 01 01:49:43.408 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:49:43.408 INFO [stderr]    --> src/rc/mod.rs:221:13
Dec 01 01:49:43.408 INFO [stderr]     |
Dec 01 01:49:43.408 INFO [stderr] 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 01 01:49:43.408 INFO [stderr]     |             ----^^^^^^^^^^^^
Dec 01 01:49:43.408 INFO [stderr]     |             |
Dec 01 01:49:43.408 INFO [stderr]     |             help: remove this `mut`
Dec 01 01:49:43.408 INFO [stderr]     |
Dec 01 01:49:43.408 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 01:49:43.408 INFO [stderr] 
Dec 01 01:49:43.448 INFO [stderr] warning: variable does not need to be mutable
Dec 01 01:49:43.448 INFO [stderr]   --> src/rc/shared.rs:78:13
Dec 01 01:49:43.448 INFO [stderr]    |
Dec 01 01:49:43.448 INFO [stderr] 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Dec 01 01:49:43.448 INFO [stderr]    |             ----^^^^^^^^^^^^
Dec 01 01:49:43.448 INFO [stderr]    |             |
Dec 01 01:49:43.448 INFO [stderr]    |             help: remove this `mut`
Dec 01 01:49:43.448 INFO [stderr] 
Dec 01 01:49:43.805 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 01 01:49:43.805 INFO [stderr]   --> src/rc/mod.rs:71:19
Dec 01 01:49:43.805 INFO [stderr]    |
Dec 01 01:49:43.805 INFO [stderr] 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
Dec 01 01:49:43.805 INFO [stderr]    |                   ^^^^^^^^^^
Dec 01 01:49:43.805 INFO [stderr]    |
Dec 01 01:49:43.805 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 01 01:49:43.805 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 01 01:49:43.805 INFO [stderr] 
Dec 01 01:49:45.093 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
Dec 01 01:49:45.096 INFO [stderr] su: No module specific data is present
Dec 01 01:49:46.193 INFO running `"docker" "inspect" "2b494f36ce5f3d7d49d7bf4e61d52264d063193570c32ac56f7df880935bd300"`
Dec 01 01:49:46.516 INFO running `"docker" "rm" "-f" "2b494f36ce5f3d7d49d7bf4e61d52264d063193570c32ac56f7df880935bd300"`
Dec 01 01:49:46.816 INFO [stdout] 2b494f36ce5f3d7d49d7bf4e61d52264d063193570c32ac56f7df880935bd300