[INFO] crate extfsm 0.11.0 is already in cache
[INFO] extracting crate extfsm 0.11.0 into work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/reg/extfsm/0.11.0
[INFO] extracting crate extfsm 0.11.0 into work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/extfsm/0.11.0
[INFO] validating manifest of extfsm-0.11.0 on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of extfsm-0.11.0 on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing extfsm-0.11.0
[INFO] finished frobbing extfsm-0.11.0
[INFO] frobbed toml for extfsm-0.11.0 written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/reg/extfsm/0.11.0/Cargo.toml
[INFO] started frobbing extfsm-0.11.0
[INFO] finished frobbing extfsm-0.11.0
[INFO] frobbed toml for extfsm-0.11.0 written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/extfsm/0.11.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking extfsm-0.11.0 against try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-5/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/reg/extfsm/0.11.0:/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" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e1cb102e28fb26e34a47cdaca52e8cce80a32f23bd070a1a1de3e8b440c9fe33
[INFO] running `"docker" "start" "-a" "e1cb102e28fb26e34a47cdaca52e8cce80a32f23bd070a1a1de3e8b440c9fe33"`
[INFO] [stderr]     Checking slog-atomic v2.0.0
[INFO] [stderr]     Checking extfsm v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1220:40
[INFO] [stderr]      |
[INFO] [stderr] 1220 |                                     Ok(mut v) => {
[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/lib.rs:1173:36
[INFO] [stderr]      |
[INFO] [stderr] 1173 |                                 Ok(mut v) => match v {
[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/lib.rs:1220:40
[INFO] [stderr]      |
[INFO] [stderr] 1220 |                                     Ok(mut v) => {
[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/lib.rs:1173:36
[INFO] [stderr]      |
[INFO] [stderr] 1173 |                                 Ok(mut v) => match v {
[INFO] [stderr]      |                                    ----^
[INFO] [stderr]      |                                    |
[INFO] [stderr]      |                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "e1cb102e28fb26e34a47cdaca52e8cce80a32f23bd070a1a1de3e8b440c9fe33"`
[INFO] running `"docker" "rm" "-f" "e1cb102e28fb26e34a47cdaca52e8cce80a32f23bd070a1a1de3e8b440c9fe33"`
[INFO] [stdout] e1cb102e28fb26e34a47cdaca52e8cce80a32f23bd070a1a1de3e8b440c9fe33