[INFO] updating cached repository vendethiel/smallstack
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vendethiel/smallstack
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vendethiel/smallstack" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/vendethiel/smallstack"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/vendethiel/smallstack'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vendethiel/smallstack" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/vendethiel/smallstack"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/vendethiel/smallstack'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 053b8d48c8de87e036a17ee7283676eeba67ba66
[INFO] sha for GitHub repo vendethiel/smallstack: 053b8d48c8de87e036a17ee7283676eeba67ba66
[INFO] validating manifest of vendethiel/smallstack on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vendethiel/smallstack on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vendethiel/smallstack
[INFO] finished frobbing vendethiel/smallstack
[INFO] frobbed toml for vendethiel/smallstack written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/vendethiel/smallstack/Cargo.toml
[INFO] started frobbing vendethiel/smallstack
[INFO] finished frobbing vendethiel/smallstack
[INFO] frobbed toml for vendethiel/smallstack written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/vendethiel/smallstack/Cargo.toml
[INFO] crate vendethiel/smallstack already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vendethiel/smallstack against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/vendethiel/smallstack:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c7e59a6a5454294652efa74ed574ed1b43f92ad262beffbe7853d1d165ff1c5e
[INFO] running `"docker" "start" "-a" "c7e59a6a5454294652efa74ed574ed1b43f92ad262beffbe7853d1d165ff1c5e"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/smallstack.rs` was erroneously implicitly accepted for binary `smallstack`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Checking smallstack v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/smallstack.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |           /// XXX this should JUST be a call!
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 149 | /         &["math", op] => if let
[INFO] [stderr] 150 | |             (Some(Expr::Int(arg1)), Some(Expr::Int(arg2)))
[INFO] [stderr] 151 | |             =
[INFO] [stderr] 152 | |             (stack.pop(), stack.pop()) {
[INFO] [stderr] ...   |
[INFO] [stderr] 162 | |           panic!("VM error: not enough arguments to `math`");
[INFO] [stderr] 163 | |         },
[INFO] [stderr]     | |_________- rustdoc does not generate documentation for match arms
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/smallstack.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |           /// XXX this should JUST be a call!
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 149 | /         &["math", op] => if let
[INFO] [stderr] 150 | |             (Some(Expr::Int(arg1)), Some(Expr::Int(arg2)))
[INFO] [stderr] 151 | |             =
[INFO] [stderr] 152 | |             (stack.pop(), stack.pop()) {
[INFO] [stderr] ...   |
[INFO] [stderr] 162 | |           panic!("VM error: not enough arguments to `math`");
[INFO] [stderr] 163 | |         },
[INFO] [stderr]     | |_________- rustdoc does not generate documentation for match arms
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "c7e59a6a5454294652efa74ed574ed1b43f92ad262beffbe7853d1d165ff1c5e"`
[INFO] running `"docker" "rm" "-f" "c7e59a6a5454294652efa74ed574ed1b43f92ad262beffbe7853d1d165ff1c5e"`
[INFO] [stdout] c7e59a6a5454294652efa74ed574ed1b43f92ad262beffbe7853d1d165ff1c5e