[INFO] updating cached repository lars-t-hansen/pl0
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lars-t-hansen/pl0
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lars-t-hansen/pl0" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lars-t-hansen/pl0"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lars-t-hansen/pl0'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lars-t-hansen/pl0" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lars-t-hansen/pl0"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lars-t-hansen/pl0'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e54fa1e22f3e3a5adb3c32fccc84b6e3e290483
[INFO] sha for GitHub repo lars-t-hansen/pl0: 7e54fa1e22f3e3a5adb3c32fccc84b6e3e290483
[INFO] validating manifest of lars-t-hansen/pl0 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lars-t-hansen/pl0 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lars-t-hansen/pl0
[INFO] finished frobbing lars-t-hansen/pl0
[INFO] frobbed toml for lars-t-hansen/pl0 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lars-t-hansen/pl0/Cargo.toml
[INFO] started frobbing lars-t-hansen/pl0
[INFO] finished frobbing lars-t-hansen/pl0
[INFO] frobbed toml for lars-t-hansen/pl0 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lars-t-hansen/pl0/Cargo.toml
[INFO] crate lars-t-hansen/pl0 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lars-t-hansen/pl0 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43c2d574e744b4c1053e3463dfc36c574536b5c9c7ca3a41ac2dc1aa7cf01ae3
[INFO] running `"docker" "start" "-a" "43c2d574e744b4c1053e3463dfc36c574536b5c9c7ca3a41ac2dc1aa7cf01ae3"`
[INFO] [stderr]     Checking pl0 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Nop`
[INFO] [stderr]   --> src/ir.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     Nop,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Notreached`
[INFO] [stderr]   --> src/ir.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Notreached,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nop`
[INFO] [stderr]    --> src/irgen.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     fn nop(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `notreached`
[INFO] [stderr]    --> src/irgen.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn notreached(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup`
[INFO] [stderr]   --> src/names.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn lookup(&self, id:Name) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nop`
[INFO] [stderr]   --> src/ir.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     Nop,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Notreached`
[INFO] [stderr]   --> src/ir.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Notreached,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nop`
[INFO] [stderr]    --> src/irgen.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     fn nop(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `notreached`
[INFO] [stderr]    --> src/irgen.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn notreached(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup`
[INFO] [stderr]   --> src/names.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn lookup(&self, id:Name) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "43c2d574e744b4c1053e3463dfc36c574536b5c9c7ca3a41ac2dc1aa7cf01ae3"`
[INFO] running `"docker" "rm" "-f" "43c2d574e744b4c1053e3463dfc36c574536b5c9c7ca3a41ac2dc1aa7cf01ae3"`
[INFO] [stdout] 43c2d574e744b4c1053e3463dfc36c574536b5c9c7ca3a41ac2dc1aa7cf01ae3