[INFO] updating cached repository pengowen123/blocks
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pengowen123/blocks
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pengowen123/blocks" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/pengowen123/blocks"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/pengowen123/blocks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pengowen123/blocks" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/pengowen123/blocks"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/pengowen123/blocks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66adc275ef39c2b6b6e375e9df671a4ab789f57a
[INFO] sha for GitHub repo pengowen123/blocks: 66adc275ef39c2b6b6e375e9df671a4ab789f57a
[INFO] validating manifest of pengowen123/blocks on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pengowen123/blocks on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pengowen123/blocks
[INFO] finished frobbing pengowen123/blocks
[INFO] frobbed toml for pengowen123/blocks written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/pengowen123/blocks/Cargo.toml
[INFO] started frobbing pengowen123/blocks
[INFO] finished frobbing pengowen123/blocks
[INFO] frobbed toml for pengowen123/blocks written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/pengowen123/blocks/Cargo.toml
[INFO] crate pengowen123/blocks already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking pengowen123/blocks against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/pengowen123/blocks:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c73856a771d423d9a3b3343b5a9982e2a474724172f7da5653fd8eb1def94609
[INFO] running `"docker" "start" "-a" "c73856a771d423d9a3b3343b5a9982e2a474724172f7da5653fd8eb1def94609"`
[INFO] [stderr]     Checking blocks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `remove_dead_temp` in this scope
[INFO] [stderr]   --> src/tests/ir.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         remove_dead_temp(&mut ir);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `remove_dead_code`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ir`
[INFO] [stderr]  --> src/ir/optimizer.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn opt_0(ir: &mut Vec<Ir>) {
[INFO] [stderr]   |              ^^ help: consider prefixing with an underscore: `_ir`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ir`
[INFO] [stderr]  --> src/ir/optimizer.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn remove_dead_code(ir: &mut Vec<Ir>) {
[INFO] [stderr]   |                         ^^ help: consider prefixing with an underscore: `_ir`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `blocks`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: function is never used: `get_code_size`
[INFO] [stderr]   --> src/compile_utils.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn get_code_size(ir: &[Ir]) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `opt_0`
[INFO] [stderr]  --> src/ir/optimizer.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn opt_0(ir: &mut Vec<Ir>) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(question_mark)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c73856a771d423d9a3b3343b5a9982e2a474724172f7da5653fd8eb1def94609"`
[INFO] running `"docker" "rm" "-f" "c73856a771d423d9a3b3343b5a9982e2a474724172f7da5653fd8eb1def94609"`
[INFO] [stdout] c73856a771d423d9a3b3343b5a9982e2a474724172f7da5653fd8eb1def94609