[INFO] updating cached repository samrat/rusl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samrat/rusl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samrat/rusl" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/samrat/rusl"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/samrat/rusl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samrat/rusl" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/samrat/rusl"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/samrat/rusl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3f3f59cf7ecb2677b6f33f5850a8cca6c19ba00
[INFO] sha for GitHub repo samrat/rusl: d3f3f59cf7ecb2677b6f33f5850a8cca6c19ba00
[INFO] validating manifest of samrat/rusl 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 samrat/rusl 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 samrat/rusl
[INFO] finished frobbing samrat/rusl
[INFO] frobbed toml for samrat/rusl written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/samrat/rusl/Cargo.toml
[INFO] started frobbing samrat/rusl
[INFO] finished frobbing samrat/rusl
[INFO] frobbed toml for samrat/rusl written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/samrat/rusl/Cargo.toml
[INFO] crate samrat/rusl 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking samrat/rusl against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/samrat/rusl:/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] e61320e8b35d3aae9509692e1c0db59d6d4ae73bb38b9d6a577013672c9a0566
[INFO] running `"docker" "start" "-a" "e61320e8b35d3aae9509692e1c0db59d6d4ae73bb38b9d6a577013672c9a0566"`
[INFO] [stderr]     Checking rusl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/anf.rs:295:25
[INFO] [stderr]     |
[INFO] [stderr] 295 |                         f => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/anf.rs:295:25
[INFO] [stderr]     |
[INFO] [stderr] 295 |                         f => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/lexer.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn main() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/parser.rs:169:1
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn main() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ensure_bool`
[INFO] [stderr]    --> src/x86.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn ensure_bool(a: X86Arg) -> Vec<X86> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/lexer.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn main() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/parser.rs:169:1
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn main() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ensure_bool`
[INFO] [stderr]    --> src/x86.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn ensure_bool(a: X86Arg) -> Vec<X86> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "e61320e8b35d3aae9509692e1c0db59d6d4ae73bb38b9d6a577013672c9a0566"`
[INFO] running `"docker" "rm" "-f" "e61320e8b35d3aae9509692e1c0db59d6d4ae73bb38b9d6a577013672c9a0566"`
[INFO] [stdout] e61320e8b35d3aae9509692e1c0db59d6d4ae73bb38b9d6a577013672c9a0566