[INFO] updating cached repository Lait-au-Cafe/estimate_automaton
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Lait-au-Cafe/estimate_automaton
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Lait-au-Cafe/estimate_automaton" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Lait-au-Cafe/estimate_automaton"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Lait-au-Cafe/estimate_automaton'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Lait-au-Cafe/estimate_automaton" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Lait-au-Cafe/estimate_automaton"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Lait-au-Cafe/estimate_automaton'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b287cd6b12f387fd1c1f700d4032c59415edc976
[INFO] sha for GitHub repo Lait-au-Cafe/estimate_automaton: b287cd6b12f387fd1c1f700d4032c59415edc976
[INFO] validating manifest of Lait-au-Cafe/estimate_automaton on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Lait-au-Cafe/estimate_automaton on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Lait-au-Cafe/estimate_automaton
[INFO] finished frobbing Lait-au-Cafe/estimate_automaton
[INFO] frobbed toml for Lait-au-Cafe/estimate_automaton written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Lait-au-Cafe/estimate_automaton/Cargo.toml
[INFO] started frobbing Lait-au-Cafe/estimate_automaton
[INFO] finished frobbing Lait-au-Cafe/estimate_automaton
[INFO] frobbed toml for Lait-au-Cafe/estimate_automaton written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Lait-au-Cafe/estimate_automaton/Cargo.toml
[INFO] crate Lait-au-Cafe/estimate_automaton already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Lait-au-Cafe/estimate_automaton against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-5/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Lait-au-Cafe/estimate_automaton:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5661218d983c0d82f1e17f56475aec41abd4c58d8ca68ba243e765f85221a40e
[INFO] running `"docker" "start" "-a" "5661218d983c0d82f1e17f56475aec41abd4c58d8ca68ba243e765f85221a40e"`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking estimate_automaton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let mut link_list = &mut list[*ptr as usize].link;
[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:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let mut link_list = &mut list[*ptr as usize].link;
[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 4.59s
[INFO] running `"docker" "inspect" "5661218d983c0d82f1e17f56475aec41abd4c58d8ca68ba243e765f85221a40e"`
[INFO] running `"docker" "rm" "-f" "5661218d983c0d82f1e17f56475aec41abd4c58d8ca68ba243e765f85221a40e"`
[INFO] [stdout] 5661218d983c0d82f1e17f56475aec41abd4c58d8ca68ba243e765f85221a40e