[INFO] crate base-encoding 0.1.0 is already in cache
[INFO] extracting crate base-encoding 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/base-encoding/0.1.0
[INFO] extracting crate base-encoding 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base-encoding/0.1.0
[INFO] validating manifest of base-encoding-0.1.0 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 base-encoding-0.1.0 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 base-encoding-0.1.0
[INFO] finished frobbing base-encoding-0.1.0
[INFO] frobbed toml for base-encoding-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/base-encoding/0.1.0/Cargo.toml
[INFO] started frobbing base-encoding-0.1.0
[INFO] finished frobbing base-encoding-0.1.0
[INFO] frobbed toml for base-encoding-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base-encoding/0.1.0/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 base-encoding-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/base-encoding/0.1.0:/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] 6fef1a219e702b3a94c71fd288e1db1d908d7c0e57c102d5cc6dea157e8ad286
[INFO] running `"docker" "start" "-a" "6fef1a219e702b3a94c71fd288e1db1d908d7c0e57c102d5cc6dea157e8ad286"`
[INFO] [stderr]     Checking base-encoding v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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/encode/base64.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     ((x[1] as u32) << 8) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     x[2] as u32;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: try: `u32::from(x[2])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     ((x[1] as u32) << 8);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let buf: u32 = (x[0] as u32) << 16;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     ((x[1] as u32) << 8) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     x[2] as u32;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: try: `u32::from(x[2])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     ((x[1] as u32) << 8);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let buf: u32 = (x[0] as u32) << 16;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 (((lookup(x[0]).unwrap() & BASE_64_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 (((lookup(x[1]).unwrap() & BASE_64_MASK) as u32) << 12);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 (((lookup(x[0]).unwrap() & BASE_64_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 (((lookup(x[1]).unwrap() & BASE_64_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 (((lookup(x[2]).unwrap() & BASE_64_MASK) as u32) << 6);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 (((lookup(x[0]).unwrap() & BASE_64_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 (((lookup(x[1]).unwrap() & BASE_64_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 (((lookup(x[2]).unwrap() & BASE_64_MASK) as u32) << 6) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 ((lookup(x[3]).unwrap() & BASE_64_MASK) as u32);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[3]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 (((lookup(x[0]).unwrap() & BASE_64_URL_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 (((lookup(x[1]).unwrap() & BASE_64_URL_MASK) as u32) << 12);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 (((lookup(x[0]).unwrap() & BASE_64_URL_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 (((lookup(x[1]).unwrap() & BASE_64_URL_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 (((lookup(x[2]).unwrap() & BASE_64_URL_MASK) as u32) << 6);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 (((lookup(x[0]).unwrap() & BASE_64_URL_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 (((lookup(x[1]).unwrap() & BASE_64_URL_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 (((lookup(x[2]).unwrap() & BASE_64_URL_MASK) as u32) << 6) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 ((lookup(x[3]).unwrap() & BASE_64_URL_MASK) as u32);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[3]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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/encode/base64.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     ((x[1] as u32) << 8) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     x[2] as u32;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: try: `u32::from(x[2])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     ((x[1] as u32) << 8);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let buf: u32 = (x[0] as u32) << 16;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     ((x[1] as u32) << 8) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |                     x[2] as u32;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: try: `u32::from(x[2])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     ((x[0] as u32) << 16) +
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     ((x[1] as u32) << 8);
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: try: `u32::from(x[1])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/encode/base64url.rs:56:32
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let buf: u32 = (x[0] as u32) << 16;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: try: `u32::from(x[0])`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 (((lookup(x[0]).unwrap() & BASE_64_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 (((lookup(x[1]).unwrap() & BASE_64_MASK) as u32) << 12);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 (((lookup(x[0]).unwrap() & BASE_64_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 (((lookup(x[1]).unwrap() & BASE_64_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 (((lookup(x[2]).unwrap() & BASE_64_MASK) as u32) << 6);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 (((lookup(x[0]).unwrap() & BASE_64_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 (((lookup(x[1]).unwrap() & BASE_64_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 (((lookup(x[2]).unwrap() & BASE_64_MASK) as u32) << 6) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 ((lookup(x[3]).unwrap() & BASE_64_MASK) as u32);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[3]).unwrap() & BASE_64_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:53:18
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 (((lookup(x[0]).unwrap() & BASE_64_URL_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 (((lookup(x[1]).unwrap() & BASE_64_URL_MASK) as u32) << 12);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 (((lookup(x[0]).unwrap() & BASE_64_URL_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 (((lookup(x[1]).unwrap() & BASE_64_URL_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 (((lookup(x[2]).unwrap() & BASE_64_URL_MASK) as u32) << 6);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 (((lookup(x[0]).unwrap() & BASE_64_URL_MASK) as u32) << 18) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[0]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 (((lookup(x[1]).unwrap() & BASE_64_URL_MASK) as u32) << 12) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[1]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 (((lookup(x[2]).unwrap() & BASE_64_URL_MASK) as u32) << 6) +
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[2]).unwrap() & BASE_64_URL_MASK)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode/base64url.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 ((lookup(x[3]).unwrap() & BASE_64_URL_MASK) as u32);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(lookup(x[3]).unwrap() & BASE_64_URL_MASK)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "6fef1a219e702b3a94c71fd288e1db1d908d7c0e57c102d5cc6dea157e8ad286"`
[INFO] running `"docker" "rm" "-f" "6fef1a219e702b3a94c71fd288e1db1d908d7c0e57c102d5cc6dea157e8ad286"`
[INFO] [stdout] 6fef1a219e702b3a94c71fd288e1db1d908d7c0e57c102d5cc6dea157e8ad286