[INFO] updating cached repository 1uks/brainfuck-jit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/1uks/brainfuck-jit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/1uks/brainfuck-jit" "work/ex/beta-1.37-6/sources/1.36.0/gh/1uks/brainfuck-jit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/1uks/brainfuck-jit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/1uks/brainfuck-jit" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/1uks/brainfuck-jit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 1uks/brainfuck-jit on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/1uks/brainfuck-jit/Cargo.toml
[INFO] crate 1uks/brainfuck-jit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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[INFO] the lockfile is outdated, regenerating it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/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 1uks/brainfuck-jit against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/1uks/brainfuck-jit:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 086b3956308b22dcd5dda835ef9e6db8eed9c91c8552129e8c13806e0ff04366
[INFO] running `"docker" "start" "-a" "086b3956308b22dcd5dda835ef9e6db8eed9c91c8552129e8c13806e0ff04366"`
[INFO] [stderr]    Compiling mmap v0.1.1
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "086b3956308b22dcd5dda835ef9e6db8eed9c91c8552129e8c13806e0ff04366"`
[INFO] running `"docker" "rm" "-f" "086b3956308b22dcd5dda835ef9e6db8eed9c91c8552129e8c13806e0ff04366"`
[INFO] [stdout] 086b3956308b22dcd5dda835ef9e6db8eed9c91c8552129e8c13806e0ff04366
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/1uks/brainfuck-jit:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fdc232352fd3c660ee8fc03fbd9f69da941437ff894a2f968546de4b3a551a1f
[INFO] running `"docker" "start" "-a" "fdc232352fd3c660ee8fc03fbd9f69da941437ff894a2f968546de4b3a551a1f"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "fdc232352fd3c660ee8fc03fbd9f69da941437ff894a2f968546de4b3a551a1f"`
[INFO] running `"docker" "rm" "-f" "fdc232352fd3c660ee8fc03fbd9f69da941437ff894a2f968546de4b3a551a1f"`
[INFO] [stdout] fdc232352fd3c660ee8fc03fbd9f69da941437ff894a2f968546de4b3a551a1f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/1uks/brainfuck-jit:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5ad71c88d60f5e3f5903c95a261a3d4bd56a0a786616195621c463902f40f165
[INFO] running `"docker" "start" "-a" "5ad71c88d60f5e3f5903c95a261a3d4bd56a0a786616195621c463902f40f165"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-3c6990c0fc1ed050
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test runlength::test_run_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5ad71c88d60f5e3f5903c95a261a3d4bd56a0a786616195621c463902f40f165"`
[INFO] running `"docker" "rm" "-f" "5ad71c88d60f5e3f5903c95a261a3d4bd56a0a786616195621c463902f40f165"`
[INFO] [stdout] 5ad71c88d60f5e3f5903c95a261a3d4bd56a0a786616195621c463902f40f165