[INFO] updating cached repository MrWint/smb-opt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MrWint/smb-opt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MrWint/smb-opt" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/MrWint/smb-opt"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/MrWint/smb-opt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MrWint/smb-opt" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/MrWint/smb-opt"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/MrWint/smb-opt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] daa44287bc9ccab7e85b430e80bf7dff77542542
[INFO] sha for GitHub repo MrWint/smb-opt: daa44287bc9ccab7e85b430e80bf7dff77542542
[INFO] validating manifest of MrWint/smb-opt on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MrWint/smb-opt on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MrWint/smb-opt
[INFO] finished frobbing MrWint/smb-opt
[INFO] frobbed toml for MrWint/smb-opt written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/MrWint/smb-opt/Cargo.toml
[INFO] started frobbing MrWint/smb-opt
[INFO] finished frobbing MrWint/smb-opt
[INFO] frobbed toml for MrWint/smb-opt written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/MrWint/smb-opt/Cargo.toml
[INFO] crate MrWint/smb-opt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking MrWint/smb-opt against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-1/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/MrWint/smb-opt:/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bc2c8398e574e77afec64714711fb234e637ca8023c284c56e3d3be4adef4067
[INFO] running `"docker" "start" "-a" "bc2c8398e574e77afec64714711fb234e637ca8023c284c56e3d3be4adef4067"`
[INFO] [stderr]     Checking bitpack v0.2.1
[INFO] [stderr]     Checking smb-opt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/heuristics/xpos.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 |       let mut next_states = XPosEmu::<O>::run_step(vec![s.clone()], ALLOW_SIDE_COLLISIONS);
[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/heuristics/xpos.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 |       let mut next_states = XPosEmu::<O>::run_step(vec![s.clone()], ALLOW_SIDE_COLLISIONS);
[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/heuristics/ypos.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 |       let mut next_states = YPosEmu::<O>::run_step(vec![s.clone()]);
[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/heuristics/ypos.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 |       let mut next_states = YPosEmu::<O>::run_step(vec![s.clone()]);
[INFO] [stderr]    |           ----^^^^^^^^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `"docker" "inspect" "bc2c8398e574e77afec64714711fb234e637ca8023c284c56e3d3be4adef4067"`
[INFO] running `"docker" "rm" "-f" "bc2c8398e574e77afec64714711fb234e637ca8023c284c56e3d3be4adef4067"`
[INFO] [stdout] bc2c8398e574e77afec64714711fb234e637ca8023c284c56e3d3be4adef4067