Dec 19 13:50:55.205 INFO checking lars-t-hansen/pl0 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:50:55.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/lars-t-hansen/pl0:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:50:55.790 INFO [stdout] 21c010ea5c0633615d56f1b17e0ea22f30fe41bae275018426c85f5acde4610d
Dec 19 13:50:55.796 INFO running `"docker" "start" "-a" "21c010ea5c0633615d56f1b17e0ea22f30fe41bae275018426c85f5acde4610d"`
Dec 19 13:50:57.240 INFO [stderr]     Checking pl0 v0.1.0 (/opt/crater/workdir)
Dec 19 13:50:58.241 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 19 13:50:58.241 INFO [stderr]   --> src/ir.rs:87:5
Dec 19 13:50:58.241 INFO [stderr]    |
Dec 19 13:50:58.241 INFO [stderr] 87 |     Nop,
Dec 19 13:50:58.241 INFO [stderr]    |     ^^^
Dec 19 13:50:58.241 INFO [stderr]    |
Dec 19 13:50:58.241 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:50:58.241 INFO [stderr] 
Dec 19 13:50:58.241 INFO [stderr] warning: variant is never constructed: `Notreached`
Dec 19 13:50:58.241 INFO [stderr]   --> src/ir.rs:88:5
Dec 19 13:50:58.241 INFO [stderr]    |
Dec 19 13:50:58.241 INFO [stderr] 88 |     Notreached,
Dec 19 13:50:58.241 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 13:50:58.241 INFO [stderr] 
Dec 19 13:50:58.241 INFO [stderr] warning: method is never used: `nop`
Dec 19 13:50:58.241 INFO [stderr]    --> src/irgen.rs:313:5
Dec 19 13:50:58.241 INFO [stderr]     |
Dec 19 13:50:58.241 INFO [stderr] 313 |     fn nop(&mut self) {
Dec 19 13:50:58.241 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 19 13:50:58.241 INFO [stderr] 
Dec 19 13:50:58.241 INFO [stderr] warning: method is never used: `notreached`
Dec 19 13:50:58.241 INFO [stderr]    --> src/irgen.rs:317:5
Dec 19 13:50:58.241 INFO [stderr]     |
Dec 19 13:50:58.241 INFO [stderr] 317 |     fn notreached(&mut self) {
Dec 19 13:50:58.241 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:58.241 INFO [stderr] 
Dec 19 13:50:58.241 INFO [stderr] warning: method is never used: `lookup`
Dec 19 13:50:58.241 INFO [stderr]   --> src/names.rs:36:5
Dec 19 13:50:58.241 INFO [stderr]    |
Dec 19 13:50:58.241 INFO [stderr] 36 |     pub fn lookup(&self, id:Name) -> String {
Dec 19 13:50:58.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:58.241 INFO [stderr] 
Dec 19 13:50:58.396 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 19 13:50:58.396 INFO [stderr]   --> src/ir.rs:87:5
Dec 19 13:50:58.396 INFO [stderr]    |
Dec 19 13:50:58.396 INFO [stderr] 87 |     Nop,
Dec 19 13:50:58.396 INFO [stderr]    |     ^^^
Dec 19 13:50:58.396 INFO [stderr]    |
Dec 19 13:50:58.396 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:50:58.396 INFO [stderr] 
Dec 19 13:50:58.396 INFO [stderr] warning: variant is never constructed: `Notreached`
Dec 19 13:50:58.396 INFO [stderr]   --> src/ir.rs:88:5
Dec 19 13:50:58.396 INFO [stderr]    |
Dec 19 13:50:58.396 INFO [stderr] 88 |     Notreached,
Dec 19 13:50:58.396 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 13:50:58.396 INFO [stderr] 
Dec 19 13:50:58.396 INFO [stderr] warning: method is never used: `nop`
Dec 19 13:50:58.396 INFO [stderr]    --> src/irgen.rs:313:5
Dec 19 13:50:58.396 INFO [stderr]     |
Dec 19 13:50:58.396 INFO [stderr] 313 |     fn nop(&mut self) {
Dec 19 13:50:58.396 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 19 13:50:58.397 INFO [stderr] 
Dec 19 13:50:58.397 INFO [stderr] warning: method is never used: `notreached`
Dec 19 13:50:58.397 INFO [stderr]    --> src/irgen.rs:317:5
Dec 19 13:50:58.397 INFO [stderr]     |
Dec 19 13:50:58.397 INFO [stderr] 317 |     fn notreached(&mut self) {
Dec 19 13:50:58.397 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:58.397 INFO [stderr] 
Dec 19 13:50:58.397 INFO [stderr] warning: method is never used: `lookup`
Dec 19 13:50:58.397 INFO [stderr]   --> src/names.rs:36:5
Dec 19 13:50:58.397 INFO [stderr]    |
Dec 19 13:50:58.397 INFO [stderr] 36 |     pub fn lookup(&self, id:Name) -> String {
Dec 19 13:50:58.397 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:58.397 INFO [stderr] 
Dec 19 13:50:58.461 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 19 13:50:59.130 INFO running `"docker" "inspect" "21c010ea5c0633615d56f1b17e0ea22f30fe41bae275018426c85f5acde4610d"`
Dec 19 13:50:59.406 INFO running `"docker" "rm" "-f" "21c010ea5c0633615d56f1b17e0ea22f30fe41bae275018426c85f5acde4610d"`
Dec 19 13:50:59.718 INFO [stdout] 21c010ea5c0633615d56f1b17e0ea22f30fe41bae275018426c85f5acde4610d