[INFO] crate strider 0.1.3 is already in cache
[INFO] checking strider-0.1.3 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate strider 0.1.3 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate strider 0.1.3 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate strider 0.1.3
[INFO] finished tweaking crates.io crate strider 0.1.3
[INFO] tweaked toml for crates.io crate strider 0.1.3 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 14e6c6cdb9b1c735633fd9215e8fde583a62084454325683703378b3610138f6
[INFO] running `"docker" "start" "-a" "14e6c6cdb9b1c735633fd9215e8fde583a62084454325683703378b3610138f6"`
[INFO] [stderr]     Checking strider v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut input_buffer: &mut [u8] = &mut [0; 4];
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 50 |     test_string_windowing!(VecDeque::<u8>::new());
[INFO] [stderr]    |     ---------------------------------------------- in this macro invocation
[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]   --> tests/lib.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut window_buffer: &mut [u8] = &mut [0; WINDOW_SIZE];
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 50 |     test_string_windowing!(VecDeque::<u8>::new());
[INFO] [stderr]    |     ---------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut input_buffer: &mut [u8] = &mut [0; 4];
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 54 |     test_string_windowing!(SliceRingImpl::<u8>::new());
[INFO] [stderr]    |     --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lib.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut window_buffer: &mut [u8] = &mut [0; WINDOW_SIZE];
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 54 |     test_string_windowing!(SliceRingImpl::<u8>::new());
[INFO] [stderr]    |     --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "14e6c6cdb9b1c735633fd9215e8fde583a62084454325683703378b3610138f6"`
[INFO] running `"docker" "rm" "-f" "14e6c6cdb9b1c735633fd9215e8fde583a62084454325683703378b3610138f6"`
[INFO] [stdout] 14e6c6cdb9b1c735633fd9215e8fde583a62084454325683703378b3610138f6