[INFO] crate wdg-base64 0.4.7 is already in cache
[INFO] extracting crate wdg-base64 0.4.7 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/wdg-base64/0.4.7
[INFO] extracting crate wdg-base64 0.4.7 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/wdg-base64/0.4.7
[INFO] validating manifest of wdg-base64-0.4.7 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wdg-base64-0.4.7 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wdg-base64-0.4.7
[INFO] finished frobbing wdg-base64-0.4.7
[INFO] frobbed toml for wdg-base64-0.4.7 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/wdg-base64/0.4.7/Cargo.toml
[INFO] started frobbing wdg-base64-0.4.7
[INFO] finished frobbing wdg-base64-0.4.7
[INFO] frobbed toml for wdg-base64-0.4.7 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/wdg-base64/0.4.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wdg-base64-0.4.7 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-5/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/wdg-base64/0.4.7:/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6d99552acb150c013c197f6a61a73728a8d21fafc07a5a7d5697c983c8b2d5e5
[INFO] running `"docker" "start" "-a" "6d99552acb150c013c197f6a61a73728a8d21fafc07a5a7d5697c983c8b2d5e5"`
[INFO] [stderr]     Checking wdg-base64 v0.4.7 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u8_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[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/./include/u8_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u16_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/u16_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u32_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/u32_b64.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u64_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/u64_b64.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i8_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i8_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i16_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i16_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i32_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i32_b64.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i64_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i64_b64.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/string_b64.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/string_b64.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/./include/string_b64.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/./include/string_b64.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u8_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[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/./include/u8_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u16_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/u16_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u32_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/u32_b64.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/u64_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/u64_b64.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i8_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i8_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i16_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i16_b64.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i32_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i32_b64.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/./include/i64_b64.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]   |                 ----^^^^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/i64_b64.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/string_b64.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/./include/string_b64.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/./include/string_b64.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/./include/string_b64.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let mut vector=&mut string.as_mut_vec();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: literal out of range for i8
[INFO] [stderr]   --> tests/i8_b64/./data.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 |     (0b10000000,&"gA=="),
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(overflowing_literals)] on by default
[INFO] [stderr]    = note: the literal `0b10000000` (decimal `128`) does not fit into an `i8` and will become `-128i8`
[INFO] [stderr]    = help: consider using `u8` instead
[INFO] [stderr] 
[INFO] [stderr] warning: literal out of range for i8
[INFO] [stderr]   --> tests/i8_b64/./data.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (0b11111111,&"/w==")
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the literal `0b11111111` (decimal `255`) does not fit into an `i8` and will become `-1i8`
[INFO] [stderr]    = help: consider using `u8` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "6d99552acb150c013c197f6a61a73728a8d21fafc07a5a7d5697c983c8b2d5e5"`
[INFO] running `"docker" "rm" "-f" "6d99552acb150c013c197f6a61a73728a8d21fafc07a5a7d5697c983c8b2d5e5"`
[INFO] [stdout] 6d99552acb150c013c197f6a61a73728a8d21fafc07a5a7d5697c983c8b2d5e5