[INFO] updating cached repository wh317706/rust_cp_snippets
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wh317706/rust_cp_snippets
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wh317706/rust_cp_snippets" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/wh317706/rust_cp_snippets"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/wh317706/rust_cp_snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wh317706/rust_cp_snippets" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/wh317706/rust_cp_snippets"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/wh317706/rust_cp_snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2206c9ed66b1d03e23afa9740445711f7058122
[INFO] sha for GitHub repo wh317706/rust_cp_snippets: c2206c9ed66b1d03e23afa9740445711f7058122
[INFO] validating manifest of wh317706/rust_cp_snippets on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wh317706/rust_cp_snippets on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wh317706/rust_cp_snippets against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-5/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7fbbf1b34b29b41090ebd6f527724c25ffac291b29732dc695947f081c9a014f
[INFO] running `"docker" "start" "-a" "7fbbf1b34b29b41090ebd6f527724c25ffac291b29732dc695947f081c9a014f"`
[INFO] [stderr]    Compiling cargo-snippet v0.2.5
[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 using `_next` instead
[INFO] [stderr] ...
[INFO] [stderr] 96 |     input!{}
[INFO] [stderr]    |     -------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] 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 using `_next` instead
[INFO] [stderr] ...
[INFO] [stderr] 96 |     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] 96 |     input!{}
[INFO] [stderr]    |     -------- in this macro invocation
[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/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] 96 |     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 2.09s
[INFO] running `"docker" "inspect" "7fbbf1b34b29b41090ebd6f527724c25ffac291b29732dc695947f081c9a014f"`
[INFO] running `"docker" "rm" "-f" "7fbbf1b34b29b41090ebd6f527724c25ffac291b29732dc695947f081c9a014f"`
[INFO] [stdout] 7fbbf1b34b29b41090ebd6f527724c25ffac291b29732dc695947f081c9a014f