Dec 18 16:28:38.103 INFO checking fixedvec-0.2.3 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:28:38.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/fixedvec/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:28:38.488 INFO [stdout] 3f7b5944b3a4ce85b1f4f9f4ab3a519629681ec526f816bf0e80c5da603da675
Dec 18 16:28:38.488 INFO running `"docker" "start" "-a" "3f7b5944b3a4ce85b1f4f9f4ab3a519629681ec526f816bf0e80c5da603da675"`
Dec 18 16:28:39.764 INFO [stderr]    Compiling skeptic v0.5.0
Dec 18 16:28:41.540 INFO [stderr]    Compiling fixedvec v0.2.3 (/opt/crater/workdir)
Dec 18 16:28:42.776 INFO [stderr] warning: use of deprecated item 'core::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
Dec 18 16:28:42.776 INFO [stderr]    --> src/lib.rs:960:27
Dec 18 16:28:42.776 INFO [stderr]     |
Dec 18 16:28:42.776 INFO [stderr] 960 |     use std::hash::{Hash, SipHasher};
Dec 18 16:28:42.776 INFO [stderr]     |                           ^^^^^^^^^
Dec 18 16:28:42.776 INFO [stderr]     |
Dec 18 16:28:42.776 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 16:28:42.776 INFO [stderr] 
Dec 18 16:28:42.776 INFO [stderr] warning: use of deprecated item 'core::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
Dec 18 16:28:42.776 INFO [stderr]     --> src/lib.rs:1032:27
Dec 18 16:28:42.776 INFO [stderr]      |
Dec 18 16:28:42.776 INFO [stderr] 1032 |         let mut hasher1 = SipHasher::new();
Dec 18 16:28:42.776 INFO [stderr]      |                           ^^^^^^^^^^^^^^
Dec 18 16:28:42.776 INFO [stderr] 
Dec 18 16:28:42.776 INFO [stderr] warning: use of deprecated item 'core::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
Dec 18 16:28:42.776 INFO [stderr]     --> src/lib.rs:1036:27
Dec 18 16:28:42.776 INFO [stderr]      |
Dec 18 16:28:42.776 INFO [stderr] 1036 |         let mut hasher2 = SipHasher::new();
Dec 18 16:28:42.776 INFO [stderr]      |                           ^^^^^^^^^^^^^^
Dec 18 16:28:42.776 INFO [stderr] 
Dec 18 16:28:42.874 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:28:42.874 INFO [stderr]    --> src/lib.rs:627:14
Dec 18 16:28:42.874 INFO [stderr]     |
Dec 18 16:28:42.874 INFO [stderr] 627 |         let (mut slice, _) = self.memory.split_at_mut(self.len);
Dec 18 16:28:42.874 INFO [stderr]     |              ----^^^^^
Dec 18 16:28:42.874 INFO [stderr]     |              |
Dec 18 16:28:42.874 INFO [stderr]     |              help: remove this `mut`
Dec 18 16:28:42.874 INFO [stderr]     |
Dec 18 16:28:42.874 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:28:42.874 INFO [stderr] 
Dec 18 16:28:42.882 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:28:42.882 INFO [stderr]    --> src/lib.rs:891:18
Dec 18 16:28:42.882 INFO [stderr]     |
Dec 18 16:28:42.882 INFO [stderr] 891 |     fn into_iter(mut self) -> IterMut<'a, T> {
Dec 18 16:28:42.882 INFO [stderr]     |                  ----^^^^
Dec 18 16:28:42.882 INFO [stderr]     |                  |
Dec 18 16:28:42.882 INFO [stderr]     |                  help: remove this `mut`
Dec 18 16:28:42.882 INFO [stderr] 
Dec 18 16:28:42.896 INFO [stderr] warning: use of deprecated item 'core::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
Dec 18 16:28:42.896 INFO [stderr]     --> src/lib.rs:1032:27
Dec 18 16:28:42.896 INFO [stderr]      |
Dec 18 16:28:42.896 INFO [stderr] 1032 |         let mut hasher1 = SipHasher::new();
Dec 18 16:28:42.896 INFO [stderr]      |                           ^^^^^^^^^^^^^^
Dec 18 16:28:42.896 INFO [stderr] 
Dec 18 16:28:42.896 INFO [stderr] warning: use of deprecated item 'core::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
Dec 18 16:28:42.896 INFO [stderr]     --> src/lib.rs:1036:27
Dec 18 16:28:42.896 INFO [stderr]      |
Dec 18 16:28:42.896 INFO [stderr] 1036 |         let mut hasher2 = SipHasher::new();
Dec 18 16:28:42.896 INFO [stderr]      |                           ^^^^^^^^^^^^^^
Dec 18 16:28:42.896 INFO [stderr] 
Dec 18 16:28:42.920 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:28:42.920 INFO [stderr]    --> src/lib.rs:627:14
Dec 18 16:28:42.920 INFO [stderr]     |
Dec 18 16:28:42.920 INFO [stderr] 627 |         let (mut slice, _) = self.memory.split_at_mut(self.len);
Dec 18 16:28:42.920 INFO [stderr]     |              ----^^^^^
Dec 18 16:28:42.920 INFO [stderr]     |              |
Dec 18 16:28:42.920 INFO [stderr]     |              help: remove this `mut`
Dec 18 16:28:42.920 INFO [stderr]     |
Dec 18 16:28:42.920 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:28:42.920 INFO [stderr] 
Dec 18 16:28:42.928 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:28:42.928 INFO [stderr]    --> src/lib.rs:891:18
Dec 18 16:28:42.928 INFO [stderr]     |
Dec 18 16:28:42.928 INFO [stderr] 891 |     fn into_iter(mut self) -> IterMut<'a, T> {
Dec 18 16:28:42.928 INFO [stderr]     |                  ----^^^^
Dec 18 16:28:42.928 INFO [stderr]     |                  |
Dec 18 16:28:42.928 INFO [stderr]     |                  help: remove this `mut`
Dec 18 16:28:42.928 INFO [stderr] 
Dec 18 16:28:43.421 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
Dec 18 16:28:43.986 INFO running `"docker" "inspect" "3f7b5944b3a4ce85b1f4f9f4ab3a519629681ec526f816bf0e80c5da603da675"`
Dec 18 16:28:44.332 INFO running `"docker" "rm" "-f" "3f7b5944b3a4ce85b1f4f9f4ab3a519629681ec526f816bf0e80c5da603da675"`
Dec 18 16:28:44.620 INFO [stdout] 3f7b5944b3a4ce85b1f4f9f4ab3a519629681ec526f816bf0e80c5da603da675