[INFO] cloning repository 1uks/brainfuck-jit
[INFO] running `"git" "clone" "--bare" "git://github.com/1uks/brainfuck-jit.git" "work/cache/sources/gh/1uks/brainfuck-jit"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/1uks/brainfuck-jit'...
[INFO] running `"git" "clone" "work/cache/sources/gh/1uks/brainfuck-jit" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/1uks/brainfuck-jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/1uks/brainfuck-jit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/1uks/brainfuck-jit" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/1uks/brainfuck-jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/1uks/brainfuck-jit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c97a9ede2f87c934b4273eb8cd791b87f579dd5
[INFO] sha for GitHub repo 1uks/brainfuck-jit: 1c97a9ede2f87c934b4273eb8cd791b87f579dd5
[INFO] validating manifest of 1uks/brainfuck-jit 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 1uks/brainfuck-jit 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 1uks/brainfuck-jit
[INFO] finished frobbing 1uks/brainfuck-jit
[INFO] frobbed toml for 1uks/brainfuck-jit written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/1uks/brainfuck-jit/Cargo.toml
[INFO] started frobbing 1uks/brainfuck-jit
[INFO] finished frobbing 1uks/brainfuck-jit
[INFO] frobbed toml for 1uks/brainfuck-jit written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/1uks/brainfuck-jit/Cargo.toml
[INFO] crate 1uks/brainfuck-jit 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/1uks/brainfuck-jit/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 1uks/brainfuck-jit against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/1uks/brainfuck-jit:/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] c2091c341468165b49f87ac3459d9d759b7a7bd9912a68e45d362b9c6d7ace31
[INFO] running `"docker" "start" "-a" "c2091c341468165b49f87ac3459d9d759b7a7bd9912a68e45d362b9c6d7ace31"`
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use std::io::{Read, Write, Cursor, Seek, SeekFrom};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use std::io::{Read, Write, Cursor, Seek, SeekFrom};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "c2091c341468165b49f87ac3459d9d759b7a7bd9912a68e45d362b9c6d7ace31"`
[INFO] running `"docker" "rm" "-f" "c2091c341468165b49f87ac3459d9d759b7a7bd9912a68e45d362b9c6d7ace31"`
[INFO] [stdout] c2091c341468165b49f87ac3459d9d759b7a7bd9912a68e45d362b9c6d7ace31