[INFO] updating cached repository Alfriadox/Bf-Interpreter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Alfriadox/Bf-Interpreter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Alfriadox/Bf-Interpreter" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Alfriadox/Bf-Interpreter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Alfriadox/Bf-Interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Alfriadox/Bf-Interpreter" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Alfriadox/Bf-Interpreter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Alfriadox/Bf-Interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 981932dddddedce49dc60583c0fc3f5e0808fd5a
[INFO] sha for GitHub repo Alfriadox/Bf-Interpreter: 981932dddddedce49dc60583c0fc3f5e0808fd5a
[INFO] validating manifest of Alfriadox/Bf-Interpreter on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Alfriadox/Bf-Interpreter on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Alfriadox/Bf-Interpreter
[INFO] finished frobbing Alfriadox/Bf-Interpreter
[INFO] frobbed toml for Alfriadox/Bf-Interpreter written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Alfriadox/Bf-Interpreter/Cargo.toml
[INFO] started frobbing Alfriadox/Bf-Interpreter
[INFO] finished frobbing Alfriadox/Bf-Interpreter
[INFO] frobbed toml for Alfriadox/Bf-Interpreter written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Alfriadox/Bf-Interpreter/Cargo.toml
[INFO] crate Alfriadox/Bf-Interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Alfriadox/Bf-Interpreter/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Alfriadox/Bf-Interpreter against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Alfriadox/Bf-Interpreter:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d59b69a87975a0a618b70b55496e524b3aebea0b9dbc4edb63ac30e6a2f61e30
[INFO] running `"docker" "start" "-a" "d59b69a87975a0a618b70b55496e524b3aebea0b9dbc4edb63ac30e6a2f61e30"`
[INFO] [stderr]     Checking bf_interpreter v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `swap` is never read
[INFO] [stderr]   --> src/main.rs:74:11
[INFO] [stderr]    |
[INFO] [stderr] 74 |           swap = [0];
[INFO] [stderr]    |           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `swap` is never read
[INFO] [stderr]   --> src/main.rs:74:11
[INFO] [stderr]    |
[INFO] [stderr] 74 |           swap = [0];
[INFO] [stderr]    |           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "d59b69a87975a0a618b70b55496e524b3aebea0b9dbc4edb63ac30e6a2f61e30"`
[INFO] running `"docker" "rm" "-f" "d59b69a87975a0a618b70b55496e524b3aebea0b9dbc4edb63ac30e6a2f61e30"`
[INFO] [stdout] d59b69a87975a0a618b70b55496e524b3aebea0b9dbc4edb63ac30e6a2f61e30