[INFO] cloning repository dobrakmato/rust-brainfuck
[INFO] running `"git" "clone" "--bare" "git://github.com/dobrakmato/rust-brainfuck.git" "work/cache/sources/gh/dobrakmato/rust-brainfuck"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dobrakmato/rust-brainfuck'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dobrakmato/rust-brainfuck" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dobrakmato/rust-brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dobrakmato/rust-brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dobrakmato/rust-brainfuck" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dobrakmato/rust-brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dobrakmato/rust-brainfuck on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dobrakmato/rust-brainfuck/Cargo.toml
[INFO] crate dobrakmato/rust-brainfuck already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking dobrakmato/rust-brainfuck against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dobrakmato/rust-brainfuck:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6a1f7fe26767bcda8c9c51c2d087b97354a6299f453fabfae219ef9bea6b674a
[INFO] running `"docker" "start" "-a" "6a1f7fe26767bcda8c9c51c2d087b97354a6299f453fabfae219ef9bea6b674a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 8.35s
[INFO] running `"docker" "inspect" "6a1f7fe26767bcda8c9c51c2d087b97354a6299f453fabfae219ef9bea6b674a"`
[INFO] running `"docker" "rm" "-f" "6a1f7fe26767bcda8c9c51c2d087b97354a6299f453fabfae219ef9bea6b674a"`
[INFO] [stdout] 6a1f7fe26767bcda8c9c51c2d087b97354a6299f453fabfae219ef9bea6b674a