[INFO] updating cached repository pbchekin/mutable-threads
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pbchekin/mutable-threads
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pbchekin/mutable-threads" "work/ex/clippy-test-run/sources/stable/gh/pbchekin/mutable-threads"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pbchekin/mutable-threads'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pbchekin/mutable-threads" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pbchekin/mutable-threads"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pbchekin/mutable-threads'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2a00d2b133bf00276fb34b55df64f8e9c5d6b63
[INFO] sha for GitHub repo pbchekin/mutable-threads: f2a00d2b133bf00276fb34b55df64f8e9c5d6b63
[INFO] validating manifest of pbchekin/mutable-threads on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pbchekin/mutable-threads on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pbchekin/mutable-threads
[INFO] finished frobbing pbchekin/mutable-threads
[INFO] frobbed toml for pbchekin/mutable-threads written to work/ex/clippy-test-run/sources/stable/gh/pbchekin/mutable-threads/Cargo.toml
[INFO] started frobbing pbchekin/mutable-threads
[INFO] finished frobbing pbchekin/mutable-threads
[INFO] frobbed toml for pbchekin/mutable-threads written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pbchekin/mutable-threads/Cargo.toml
[INFO] crate pbchekin/mutable-threads has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting pbchekin/mutable-threads against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/pbchekin/mutable-threads:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4358759cf7104012cddc3df08fd63efe6198a33da902ca61365d4730ffffaadb
[INFO] running `"docker" "start" "-a" "4358759cf7104012cddc3df08fd63efe6198a33da902ca61365d4730ffffaadb"`
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking linebased v0.3.1
[INFO] [stderr]     Checking mute-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 counter = counter + 1;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `counter += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 counter = counter + 1;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `counter += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.04s
[INFO] running `"docker" "inspect" "4358759cf7104012cddc3df08fd63efe6198a33da902ca61365d4730ffffaadb"`
[INFO] running `"docker" "rm" "-f" "4358759cf7104012cddc3df08fd63efe6198a33da902ca61365d4730ffffaadb"`
[INFO] [stdout] 4358759cf7104012cddc3df08fd63efe6198a33da902ca61365d4730ffffaadb