[INFO] updating cached repository faxal/bfi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/faxal/bfi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/faxal/bfi" "work/ex/beta-1.37-6/sources/1.36.0/gh/faxal/bfi"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/faxal/bfi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/faxal/bfi" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/faxal/bfi"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/faxal/bfi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a6518deee841bbc8c5fb92eab0756a3e2c1f506e
[INFO] sha for GitHub repo faxal/bfi: a6518deee841bbc8c5fb92eab0756a3e2c1f506e
[INFO] validating manifest of faxal/bfi 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 faxal/bfi 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 faxal/bfi
[INFO] finished frobbing faxal/bfi
[INFO] frobbed toml for faxal/bfi written to work/ex/beta-1.37-6/sources/1.36.0/gh/faxal/bfi/Cargo.toml
[INFO] started frobbing faxal/bfi
[INFO] finished frobbing faxal/bfi
[INFO] frobbed toml for faxal/bfi written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/faxal/bfi/Cargo.toml
[INFO] crate faxal/bfi 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing faxal/bfi 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/faxal/bfi:/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] 64345b5ec974de9915d42ab2e11d4c1ae08a9883fa580882703a04c7e0a854ba
[INFO] running `"docker" "start" "-a" "64345b5ec974de9915d42ab2e11d4c1ae08a9883fa580882703a04c7e0a854ba"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/bfi.rs` was erroneously implicitly accepted for binary `bfi`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling BFI v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: invalid width `` for integer literal
[INFO] [stderr]   --> src/brainfuck/mod.rs:88:25
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let mut depth = 0i;
[INFO] [stderr]    |                         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: valid widths are 8, 16, 32, 64 and 128
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `collections`
[INFO] [stderr]  --> src/brainfuck/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate collections;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `BFI`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "64345b5ec974de9915d42ab2e11d4c1ae08a9883fa580882703a04c7e0a854ba"`
[INFO] running `"docker" "rm" "-f" "64345b5ec974de9915d42ab2e11d4c1ae08a9883fa580882703a04c7e0a854ba"`
[INFO] [stdout] 64345b5ec974de9915d42ab2e11d4c1ae08a9883fa580882703a04c7e0a854ba