[INFO] fetching crate fixedvec 0.2.3...
[INFO] extracting crate fixedvec 0.2.3 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/fixedvec/0.2.3
[INFO] extracting crate fixedvec 0.2.3 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fixedvec/0.2.3
[INFO] validating manifest of fixedvec-0.2.3 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fixedvec-0.2.3 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/fixedvec/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building fixedvec-0.2.3 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 9e6d119fbb8af5c26460638bead68e1a1ff9ca6ff7e92c0b6f24392b684fdb58
[INFO] running `"docker" "start" "-a" "9e6d119fbb8af5c26460638bead68e1a1ff9ca6ff7e92c0b6f24392b684fdb58"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "9e6d119fbb8af5c26460638bead68e1a1ff9ca6ff7e92c0b6f24392b684fdb58"`
[INFO] running `"docker" "rm" "-f" "9e6d119fbb8af5c26460638bead68e1a1ff9ca6ff7e92c0b6f24392b684fdb58"`
[INFO] [stdout] 9e6d119fbb8af5c26460638bead68e1a1ff9ca6ff7e92c0b6f24392b684fdb58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0225abfa47f90a1cc4c75235fc395a3225b8859205824f9eab5c5b3622df87cb
[INFO] running `"docker" "start" "-a" "0225abfa47f90a1cc4c75235fc395a3225b8859205824f9eab5c5b3622df87cb"`
[INFO] [stderr]    Compiling fixedvec v0.2.3 (/opt/crater/workdir)
[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 1.03s
[INFO] running `"docker" "inspect" "0225abfa47f90a1cc4c75235fc395a3225b8859205824f9eab5c5b3622df87cb"`
[INFO] running `"docker" "rm" "-f" "0225abfa47f90a1cc4c75235fc395a3225b8859205824f9eab5c5b3622df87cb"`
[INFO] [stdout] 0225abfa47f90a1cc4c75235fc395a3225b8859205824f9eab5c5b3622df87cb