[INFO] updating cached repository Delta-Psi/borcon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Delta-Psi/borcon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Delta-Psi/borcon" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Delta-Psi/borcon"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Delta-Psi/borcon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Delta-Psi/borcon" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Delta-Psi/borcon"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Delta-Psi/borcon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b7859ce069e4c0c7f9036f9c8ce518ad028c4c0
[INFO] sha for GitHub repo Delta-Psi/borcon: 8b7859ce069e4c0c7f9036f9c8ce518ad028c4c0
[INFO] validating manifest of Delta-Psi/borcon on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Delta-Psi/borcon on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Delta-Psi/borcon
[INFO] removed workspace from Delta-Psi/borcon
[INFO] finished frobbing Delta-Psi/borcon
[INFO] frobbed toml for Delta-Psi/borcon written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Delta-Psi/borcon/Cargo.toml
[INFO] started frobbing Delta-Psi/borcon
[INFO] removed workspace from Delta-Psi/borcon
[INFO] finished frobbing Delta-Psi/borcon
[INFO] frobbed toml for Delta-Psi/borcon written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/Delta-Psi/borcon/Cargo.toml
[INFO] crate Delta-Psi/borcon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Delta-Psi/borcon/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Delta-Psi/borcon against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-0/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/Delta-Psi/borcon:/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b3f7cc651d15f7eea638bb296d1ec383187b83583a8a1fdf739b41a5639519bf
[INFO] running `"docker" "start" "-a" "b3f7cc651d15f7eea638bb296d1ec383187b83583a8a1fdf739b41a5639519bf"`
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking shred v0.5.2
[INFO] [stderr]     Checking hibitset v0.3.2
[INFO] [stderr]     Checking specs v0.10.0
[INFO] [stderr]     Checking borcon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mob/action/movement.rs:95:33
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     if let Some(mut queue) = queue {
[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/mob/action/movement.rs:106:33
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     if let Some(mut queue) = queue {
[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/mob/action/movement.rs:117:33
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     if let Some(mut queue) = queue {
[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/mob/action/movement.rs:95:33
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     if let Some(mut queue) = queue {
[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/mob/action/movement.rs:106:33
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     if let Some(mut queue) = queue {
[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/mob/action/movement.rs:117:33
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     if let Some(mut queue) = queue {
[INFO] [stderr]     |                                 ----^^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.87s
[INFO] running `"docker" "inspect" "b3f7cc651d15f7eea638bb296d1ec383187b83583a8a1fdf739b41a5639519bf"`
[INFO] running `"docker" "rm" "-f" "b3f7cc651d15f7eea638bb296d1ec383187b83583a8a1fdf739b41a5639519bf"`
[INFO] [stdout] b3f7cc651d15f7eea638bb296d1ec383187b83583a8a1fdf739b41a5639519bf