[INFO] updating cached repository xiaobai/cache-sim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xiaobai/cache-sim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xiaobai/cache-sim" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xiaobai/cache-sim"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xiaobai/cache-sim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xiaobai/cache-sim" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xiaobai/cache-sim"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xiaobai/cache-sim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5328dec6ee1d2bb4faa2676d442d701104eace63
[INFO] sha for GitHub repo xiaobai/cache-sim: 5328dec6ee1d2bb4faa2676d442d701104eace63
[INFO] validating manifest of xiaobai/cache-sim on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xiaobai/cache-sim on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xiaobai/cache-sim
[INFO] finished frobbing xiaobai/cache-sim
[INFO] frobbed toml for xiaobai/cache-sim written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xiaobai/cache-sim/Cargo.toml
[INFO] started frobbing xiaobai/cache-sim
[INFO] finished frobbing xiaobai/cache-sim
[INFO] frobbed toml for xiaobai/cache-sim written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xiaobai/cache-sim/Cargo.toml
[INFO] crate xiaobai/cache-sim already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xiaobai/cache-sim/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xiaobai/cache-sim against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xiaobai/cache-sim:/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] da1f3bc9e46d1b5a3791ddf14050bb655d5b4b6ad8216f47ba91787ab4a966f1
[INFO] running `"docker" "start" "-a" "da1f3bc9e46d1b5a3791ddf14050bb655d5b4b6ad8216f47ba91787ab4a966f1"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking cachesim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `in_l2`
[INFO] [stderr]   --> src/cache/mod.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let in_l2 = self.search_l2(mode, address);
[INFO] [stderr]    |                     ^^^^^ help: consider prefixing with an underscore: `_in_l2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/cache/mod.rs:220:30
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |                              ^^^^ help: consider prefixing with an underscore: `_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/cache/mod.rs:220:48
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |                                                ^^^^^^^ help: consider prefixing with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `in_l2`
[INFO] [stderr]   --> src/cache/mod.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let in_l2 = self.search_l2(mode, address);
[INFO] [stderr]    |                     ^^^^^ help: consider prefixing with an underscore: `_in_l2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/cache/mod.rs:220:30
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |                              ^^^^ help: consider prefixing with an underscore: `_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/cache/mod.rs:220:48
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |                                                ^^^^^^^ help: consider prefixing with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_to_l2`
[INFO] [stderr]    --> src/cache/mod.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_to_l2`
[INFO] [stderr]    --> src/cache/mod.rs:220:5
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn move_to_l2(&mut self, mode: AccessType, address: u64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "da1f3bc9e46d1b5a3791ddf14050bb655d5b4b6ad8216f47ba91787ab4a966f1"`
[INFO] running `"docker" "rm" "-f" "da1f3bc9e46d1b5a3791ddf14050bb655d5b4b6ad8216f47ba91787ab4a966f1"`
[INFO] [stdout] da1f3bc9e46d1b5a3791ddf14050bb655d5b4b6ad8216f47ba91787ab4a966f1