[INFO] updating cached repository DCP-solved-with-Rust/dcp_00002
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DCP-solved-with-Rust/dcp_00002
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DCP-solved-with-Rust/dcp_00002" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/DCP-solved-with-Rust/dcp_00002"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/DCP-solved-with-Rust/dcp_00002'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DCP-solved-with-Rust/dcp_00002" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/DCP-solved-with-Rust/dcp_00002"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/DCP-solved-with-Rust/dcp_00002'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8620acbdc85adbd9cf97c32bddc57681a9860515
[INFO] sha for GitHub repo DCP-solved-with-Rust/dcp_00002: 8620acbdc85adbd9cf97c32bddc57681a9860515
[INFO] validating manifest of DCP-solved-with-Rust/dcp_00002 on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DCP-solved-with-Rust/dcp_00002 on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DCP-solved-with-Rust/dcp_00002
[INFO] finished frobbing DCP-solved-with-Rust/dcp_00002
[INFO] frobbed toml for DCP-solved-with-Rust/dcp_00002 written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/DCP-solved-with-Rust/dcp_00002/Cargo.toml
[INFO] started frobbing DCP-solved-with-Rust/dcp_00002
[INFO] finished frobbing DCP-solved-with-Rust/dcp_00002
[INFO] frobbed toml for DCP-solved-with-Rust/dcp_00002 written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/DCP-solved-with-Rust/dcp_00002/Cargo.toml
[INFO] crate DCP-solved-with-Rust/dcp_00002 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DCP-solved-with-Rust/dcp_00002 against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-7/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/DCP-solved-with-Rust/dcp_00002:/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8e1ac8a84dd5eeb7d422fb3f0d56bb217c3b881ac9caad746606de8c31143512
[INFO] running `"docker" "start" "-a" "8e1ac8a84dd5eeb7d422fb3f0d56bb217c3b881ac9caad746606de8c31143512"`
[INFO] [stderr]     Checking dcp_00002 v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |     for (&num, mut prod_i) in nums.iter().rev().zip(prod_right_side.iter_mut().rev())
[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/main.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |     for (&num, mut prod_i) in nums.iter().rev().zip(prod_right_side.iter_mut().rev())
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "8e1ac8a84dd5eeb7d422fb3f0d56bb217c3b881ac9caad746606de8c31143512"`
[INFO] running `"docker" "rm" "-f" "8e1ac8a84dd5eeb7d422fb3f0d56bb217c3b881ac9caad746606de8c31143512"`
[INFO] [stdout] 8e1ac8a84dd5eeb7d422fb3f0d56bb217c3b881ac9caad746606de8c31143512