[INFO] updating cached repository ccapitalK/zeus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ccapitalK/zeus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ccapitalK/zeus" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/ccapitalK/zeus"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/ccapitalK/zeus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ccapitalK/zeus" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/ccapitalK/zeus"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/ccapitalK/zeus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 933989658f93b35b8a3b42ce413dc70eb972bc23
[INFO] sha for GitHub repo ccapitalK/zeus: 933989658f93b35b8a3b42ce413dc70eb972bc23
[INFO] validating manifest of ccapitalK/zeus on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ccapitalK/zeus on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ccapitalK/zeus
[INFO] finished frobbing ccapitalK/zeus
[INFO] frobbed toml for ccapitalK/zeus written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/ccapitalK/zeus/Cargo.toml
[INFO] started frobbing ccapitalK/zeus
[INFO] finished frobbing ccapitalK/zeus
[INFO] frobbed toml for ccapitalK/zeus written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/ccapitalK/zeus/Cargo.toml
[INFO] crate ccapitalK/zeus has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ccapitalK/zeus against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-7/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/ccapitalK/zeus:/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c23bbc4c7c41cdbe9975c2b366641e52c55c6bd74524d28bb9ebed7a83fdee8
[INFO] running `"docker" "start" "-a" "4c23bbc4c7c41cdbe9975c2b366641e52c55c6bd74524d28bb9ebed7a83fdee8"`
[INFO] [stderr]     Checking zeus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `a_val`
[INFO] [stderr]   --> src/cpu.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let a_val = match a {
[INFO] [stderr]    |             ^^^^^ help: consider using `_a_val` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b_val`
[INFO] [stderr]    --> src/cpu.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let b_val = match b {
[INFO] [stderr]     |             ^^^^^ help: consider using `_b_val` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_val`
[INFO] [stderr]   --> src/cpu.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let a_val = match a {
[INFO] [stderr]    |             ^^^^^ help: consider using `_a_val` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b_val`
[INFO] [stderr]    --> src/cpu.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let b_val = match b {
[INFO] [stderr]     |             ^^^^^ help: consider using `_b_val` instead
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_A`
[INFO] [stderr]   --> src/cpu.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REG_A: usize = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_B`
[INFO] [stderr]   --> src/cpu.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const REG_B: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_C`
[INFO] [stderr]   --> src/cpu.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const REG_C: usize = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_X`
[INFO] [stderr]   --> src/cpu.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const REG_X: usize = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_Y`
[INFO] [stderr]   --> src/cpu.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const REG_Y: usize = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_Z`
[INFO] [stderr]   --> src/cpu.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const REG_Z: usize = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_I`
[INFO] [stderr]   --> src/cpu.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const REG_I: usize = 6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_J`
[INFO] [stderr]   --> src/cpu.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const REG_J: usize = 7;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fail`
[INFO] [stderr]   --> src/cpu.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn fail(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_A`
[INFO] [stderr]   --> src/cpu.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const REG_A: usize = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_B`
[INFO] [stderr]   --> src/cpu.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const REG_B: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_C`
[INFO] [stderr]   --> src/cpu.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const REG_C: usize = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_X`
[INFO] [stderr]   --> src/cpu.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const REG_X: usize = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_Y`
[INFO] [stderr]   --> src/cpu.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const REG_Y: usize = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_Z`
[INFO] [stderr]   --> src/cpu.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const REG_Z: usize = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_I`
[INFO] [stderr]   --> src/cpu.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const REG_I: usize = 6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REG_J`
[INFO] [stderr]   --> src/cpu.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const REG_J: usize = 7;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fail`
[INFO] [stderr]   --> src/cpu.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn fail(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "4c23bbc4c7c41cdbe9975c2b366641e52c55c6bd74524d28bb9ebed7a83fdee8"`
[INFO] running `"docker" "rm" "-f" "4c23bbc4c7c41cdbe9975c2b366641e52c55c6bd74524d28bb9ebed7a83fdee8"`
[INFO] [stdout] 4c23bbc4c7c41cdbe9975c2b366641e52c55c6bd74524d28bb9ebed7a83fdee8