[INFO] crate vlq 0.5.1 is already in cache
[INFO] extracting crate vlq 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/vlq/0.5.1
[INFO] extracting crate vlq 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/vlq/0.5.1
[INFO] validating manifest of vlq-0.5.1 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 vlq-0.5.1 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 vlq-0.5.1
[INFO] finished frobbing vlq-0.5.1
[INFO] frobbed toml for vlq-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/vlq/0.5.1/Cargo.toml
[INFO] started frobbing vlq-0.5.1
[INFO] finished frobbing vlq-0.5.1
[INFO] frobbed toml for vlq-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/vlq/0.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 vlq-0.5.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/vlq/0.5.1:/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] 088408fe6a1e1cb08becb0c46615df394c4250f012430b71d650bcb7bf02d821
[INFO] running `"docker" "start" "-a" "088408fe6a1e1cb08becb0c46615df394c4250f012430b71d650bcb7bf02d821"`
[INFO] [stderr]     Checking vlq v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking quickcheck v0.5.0
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:66:27
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let digit_value = ((digit & MASK) as u64)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(digit & MASK)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |             .checked_shl(shift as u32)
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: try: `u32::from(shift)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> examples/mapdump.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             println!("");
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> examples/mapdump.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `vlq`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/tests.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     decode_tester_ok("A".as_bytes(), 0);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"A"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/tests.rs:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |     decode_tester_ok("B".as_bytes(), 0);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"B"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/tests.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |     decode_tester_ok("C".as_bytes(), 1);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"C"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/tests.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |     decode_tester_ok("D".as_bytes(), -1);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"D"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> tests/tests.rs:33:27
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Ok(()) => assert!(buf.len() > 0),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!buf.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> tests/tests.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |         roundtrip_ok(u32::MAX as i64 + val);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: try: `i64::from(u32::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> tests/tests.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |         roundtrip_ok(-(u32::MAX as i64) + val);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: try: `i64::from(u32::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:66:27
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let digit_value = ((digit & MASK) as u64)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(digit & MASK)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |             .checked_shl(shift as u32)
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: try: `u32::from(shift)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "088408fe6a1e1cb08becb0c46615df394c4250f012430b71d650bcb7bf02d821"`
[INFO] running `"docker" "rm" "-f" "088408fe6a1e1cb08becb0c46615df394c4250f012430b71d650bcb7bf02d821"`
[INFO] [stdout] 088408fe6a1e1cb08becb0c46615df394c4250f012430b71d650bcb7bf02d821