[INFO] updating cached repository archer884/dkill
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/archer884/dkill
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/archer884/dkill" "work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/dkill"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/dkill'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/archer884/dkill" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/archer884/dkill"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/archer884/dkill'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c414ab638b1ed10f46a1f4b2cfd67cf7814084a
[INFO] sha for GitHub repo archer884/dkill: 5c414ab638b1ed10f46a1f4b2cfd67cf7814084a
[INFO] validating manifest of archer884/dkill on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of archer884/dkill on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing archer884/dkill
[INFO] finished frobbing archer884/dkill
[INFO] frobbed toml for archer884/dkill written to work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/dkill/Cargo.toml
[INFO] started frobbing archer884/dkill
[INFO] finished frobbing archer884/dkill
[INFO] frobbed toml for archer884/dkill written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/archer884/dkill/Cargo.toml
[INFO] crate archer884/dkill already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/dkill/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing archer884/dkill against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/archer884/dkill:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9bb10aa45cd9a09f2afe5a7ffca3985fbfcc8400366ef9baf34b3b098f73c9cf
[INFO] running `"docker" "start" "-a" "9bb10aa45cd9a09f2afe5a7ffca3985fbfcc8400366ef9baf34b3b098f73c9cf"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dkill v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Iter` in module `walkdir`
[INFO] [stderr]   --> src/file.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |     iter: walkdir::Iter
[INFO] [stderr]    |                    ^^^^ not found in `walkdir`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::collections::binary_heap::Iter;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::collections::btree_map::Iter;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::collections::btree_set::Iter;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use std::collections::hash_map::Iter;
[INFO] [stderr]    |
[INFO] [stderr] and 8 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax, question_mark)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |     BadIncludePattern(Box<Error>),
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:46:27
[INFO] [stderr]    |
[INFO] [stderr] 46 |     BadExcludePattern(Box<Error>),
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/file.rs:77:16
[INFO] [stderr]    |
[INFO] [stderr] 77 |             Ok(hash.digest())
[INFO] [stderr]    |                ^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `sha1::Digest`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::vec::Vec<u8>`
[INFO] [stderr]               found type `sha1::Digest`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0412, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `dkill`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9bb10aa45cd9a09f2afe5a7ffca3985fbfcc8400366ef9baf34b3b098f73c9cf"`
[INFO] running `"docker" "rm" "-f" "9bb10aa45cd9a09f2afe5a7ffca3985fbfcc8400366ef9baf34b3b098f73c9cf"`
[INFO] [stdout] 9bb10aa45cd9a09f2afe5a7ffca3985fbfcc8400366ef9baf34b3b098f73c9cf