[INFO] fetching crate fixedvec 0.2.3...
[INFO] extracting crate fixedvec 0.2.3 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/fixedvec/0.2.3
[INFO] extracting crate fixedvec 0.2.3 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fixedvec/0.2.3
[INFO] validating manifest of fixedvec-0.2.3 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fixedvec-0.2.3 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fixedvec-0.2.3
[INFO] finished frobbing fixedvec-0.2.3
[INFO] frobbed toml for fixedvec-0.2.3 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/fixedvec/0.2.3/Cargo.toml
[INFO] started frobbing fixedvec-0.2.3
[INFO] finished frobbing fixedvec-0.2.3
[INFO] frobbed toml for fixedvec-0.2.3 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fixedvec/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fixedvec-0.2.3 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/fixedvec/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 68b5c1f35103ef201137736c5c1cc9dfa95ae85a7dacb2753ddfa27840785f48
[INFO] running `"docker" "start" "-a" "68b5c1f35103ef201137736c5c1cc9dfa95ae85a7dacb2753ddfa27840785f48"`
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling fixedvec v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:627:14
[INFO] [stderr]     |
[INFO] [stderr] 627 |         let (mut slice, _) = self.memory.split_at_mut(self.len);
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:891:18
[INFO] [stderr]     |
[INFO] [stderr] 891 |     fn into_iter(mut self) -> IterMut<'a, T> {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:960:27
[INFO] [stderr]     |
[INFO] [stderr] 960 |     use std::hash::{Hash, SipHasher};
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/lib.rs:1032:27
[INFO] [stderr]      |
[INFO] [stderr] 1032 |         let mut hasher1 = SipHasher::new();
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/lib.rs:1036:27
[INFO] [stderr]      |
[INFO] [stderr] 1036 |         let mut hasher2 = SipHasher::new();
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/lib.rs:1032:27
[INFO] [stderr]      |
[INFO] [stderr] 1032 |         let mut hasher1 = SipHasher::new();
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]     --> src/lib.rs:1036:27
[INFO] [stderr]      |
[INFO] [stderr] 1036 |         let mut hasher2 = SipHasher::new();
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:627:14
[INFO] [stderr]     |
[INFO] [stderr] 627 |         let (mut slice, _) = self.memory.split_at_mut(self.len);
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:891:18
[INFO] [stderr]     |
[INFO] [stderr] 891 |     fn into_iter(mut self) -> IterMut<'a, T> {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "68b5c1f35103ef201137736c5c1cc9dfa95ae85a7dacb2753ddfa27840785f48"`
[INFO] running `"docker" "rm" "-f" "68b5c1f35103ef201137736c5c1cc9dfa95ae85a7dacb2753ddfa27840785f48"`
[INFO] [stdout] 68b5c1f35103ef201137736c5c1cc9dfa95ae85a7dacb2753ddfa27840785f48