[INFO] updating cached repository dobrakmato/rust-brainfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dobrakmato/rust-brainfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dobrakmato/rust-brainfuck" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dobrakmato/rust-brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dobrakmato/rust-brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dobrakmato/rust-brainfuck" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/dobrakmato/rust-brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/dobrakmato/rust-brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9c29e2fd8584b1dcac28ebffd33b9325a3c9bfc
[INFO] sha for GitHub repo dobrakmato/rust-brainfuck: a9c29e2fd8584b1dcac28ebffd33b9325a3c9bfc
[INFO] validating manifest of dobrakmato/rust-brainfuck 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 dobrakmato/rust-brainfuck 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 dobrakmato/rust-brainfuck
[INFO] finished frobbing dobrakmato/rust-brainfuck
[INFO] frobbed toml for dobrakmato/rust-brainfuck written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dobrakmato/rust-brainfuck/Cargo.toml
[INFO] started frobbing dobrakmato/rust-brainfuck
[INFO] finished frobbing dobrakmato/rust-brainfuck
[INFO] frobbed toml for dobrakmato/rust-brainfuck written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/dobrakmato/rust-brainfuck/Cargo.toml
[INFO] crate dobrakmato/rust-brainfuck 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dobrakmato/rust-brainfuck against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/dobrakmato/rust-brainfuck:/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] aec9405fb19e066a58bb2edfe3cf4c8627d0df8a67cd95a3796c1be0c81a0fbb
[INFO] running `"docker" "start" "-a" "aec9405fb19e066a58bb2edfe3cf4c8627d0df8a67cd95a3796c1be0c81a0fbb"`
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bfjit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `mul_unsigned`
[INFO] [stderr]    --> src/assembler.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn mul_unsigned(&mut self, reg: X64Register) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mov_to_mem_offset`
[INFO] [stderr]    --> src/assembler.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn mov_to_mem_offset(&mut self, to_memory: X64Register, from_reg: X64Register, offset: i8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Noop`
[INFO] [stderr]   --> src/ir.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Noop(Link),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `"docker" "inspect" "aec9405fb19e066a58bb2edfe3cf4c8627d0df8a67cd95a3796c1be0c81a0fbb"`
[INFO] running `"docker" "rm" "-f" "aec9405fb19e066a58bb2edfe3cf4c8627d0df8a67cd95a3796c1be0c81a0fbb"`
[INFO] [stdout] aec9405fb19e066a58bb2edfe3cf4c8627d0df8a67cd95a3796c1be0c81a0fbb