[INFO] cloning repository wh317706/rust_cp_snippets
[INFO] running `"git" "clone" "--bare" "git://github.com/wh317706/rust_cp_snippets.git" "work/cache/sources/gh/wh317706/rust_cp_snippets"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/wh317706/rust_cp_snippets'...
[INFO] running `"git" "clone" "work/cache/sources/gh/wh317706/rust_cp_snippets" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/wh317706/rust_cp_snippets"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/wh317706/rust_cp_snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wh317706/rust_cp_snippets" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/wh317706/rust_cp_snippets"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/wh317706/rust_cp_snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e990f906e866ef8077f9e5349d1e75c0fe9a844
[INFO] sha for GitHub repo wh317706/rust_cp_snippets: 7e990f906e866ef8077f9e5349d1e75c0fe9a844
[INFO] validating manifest of wh317706/rust_cp_snippets on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wh317706/rust_cp_snippets on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wh317706/rust_cp_snippets
[INFO] finished frobbing wh317706/rust_cp_snippets
[INFO] frobbed toml for wh317706/rust_cp_snippets written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/wh317706/rust_cp_snippets/Cargo.toml
[INFO] started frobbing wh317706/rust_cp_snippets
[INFO] finished frobbing wh317706/rust_cp_snippets
[INFO] frobbed toml for wh317706/rust_cp_snippets written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/wh317706/rust_cp_snippets/Cargo.toml
[INFO] crate wh317706/rust_cp_snippets has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-snippet v0.2.6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wh317706/rust_cp_snippets against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/wh317706/rust_cp_snippets:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dcf998b5ac6b9ec0bb19fb0b1142804276795b85a59b91be5a331ae885c5a1bb
[INFO] running `"docker" "start" "-a" "dcf998b5ac6b9ec0bb19fb0b1142804276795b85a59b91be5a331ae885c5a1bb"`
[INFO] [stderr]    Compiling cargo-snippet v0.2.6
[INFO] [stderr]     Checking rust_cp_snippets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stderr]    --> src/template.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |         let mut next = move || -> String{
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_next`
[INFO] [stderr] ...
[INFO] [stderr] 148 |     input!{}
[INFO] [stderr]     |     -------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/template.rs:25:13
[INFO] [stderr]     |
[INFO] [stderr] 25  |         let mut next = move || -> String{
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 148 |     input!{}
[INFO] [stderr]     |     -------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next`
[INFO] [stderr]    --> src/template.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |         let mut next = move || -> String{
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_next`
[INFO] [stderr] ...
[INFO] [stderr] 148 |     input!{}
[INFO] [stderr]     |     -------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/template.rs:25:13
[INFO] [stderr]     |
[INFO] [stderr] 25  |         let mut next = move || -> String{
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 148 |     input!{}
[INFO] [stderr]     |     -------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `"docker" "inspect" "dcf998b5ac6b9ec0bb19fb0b1142804276795b85a59b91be5a331ae885c5a1bb"`
[INFO] running `"docker" "rm" "-f" "dcf998b5ac6b9ec0bb19fb0b1142804276795b85a59b91be5a331ae885c5a1bb"`
[INFO] [stdout] dcf998b5ac6b9ec0bb19fb0b1142804276795b85a59b91be5a331ae885c5a1bb