[INFO] updating cached repository ColonelPhantom/brainiter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ColonelPhantom/brainiter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ColonelPhantom/brainiter" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ColonelPhantom/brainiter"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ColonelPhantom/brainiter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ColonelPhantom/brainiter" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ColonelPhantom/brainiter"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ColonelPhantom/brainiter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67e2d2450546417420b1dd625cf0f3de1b8a01b3
[INFO] sha for GitHub repo ColonelPhantom/brainiter: 67e2d2450546417420b1dd625cf0f3de1b8a01b3
[INFO] validating manifest of ColonelPhantom/brainiter on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ColonelPhantom/brainiter on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ColonelPhantom/brainiter
[INFO] finished frobbing ColonelPhantom/brainiter
[INFO] frobbed toml for ColonelPhantom/brainiter written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ColonelPhantom/brainiter/Cargo.toml
[INFO] started frobbing ColonelPhantom/brainiter
[INFO] finished frobbing ColonelPhantom/brainiter
[INFO] frobbed toml for ColonelPhantom/brainiter written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ColonelPhantom/brainiter/Cargo.toml
[INFO] crate ColonelPhantom/brainiter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking ColonelPhantom/brainiter against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ColonelPhantom/brainiter:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0de69e89116915415bce1f690f8c22f8b4accb99012b0444118d538c6f75f634
[INFO] running `"docker" "start" "-a" "0de69e89116915415bce1f690f8c22f8b4accb99012b0444118d538c6f75f634"`
[INFO] [stderr]     Checking brainfuck-mt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/to_c.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             _ => panic!(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/to_c.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             _ => panic!(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_c`
[INFO] [stderr]  --> src/to_c.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn compile_c(code: &Bytecode, tape_size: usize) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_c_recurse`
[INFO] [stderr]   --> src/to_c.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn compile_c_recurse(code: &Bytecode) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_c`
[INFO] [stderr]  --> src/to_c.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn compile_c(code: &Bytecode, tape_size: usize) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_c_recurse`
[INFO] [stderr]   --> src/to_c.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn compile_c_recurse(code: &Bytecode) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "0de69e89116915415bce1f690f8c22f8b4accb99012b0444118d538c6f75f634"`
[INFO] running `"docker" "rm" "-f" "0de69e89116915415bce1f690f8c22f8b4accb99012b0444118d538c6f75f634"`
[INFO] [stdout] 0de69e89116915415bce1f690f8c22f8b4accb99012b0444118d538c6f75f634