[INFO] updating cached repository https://github.com/archer884/dkill
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c414ab638b1ed10f46a1f4b2cfd67cf7814084a
[INFO] testing archer884/dkill against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fdkill" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/dkill on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/archer884/dkill
[INFO] finished tweaking git repo https://github.com/archer884/dkill
[INFO] tweaked toml for git repo https://github.com/archer884/dkill written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/dkill already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4d86483eee2fa919969a546cda36e3152c3cc2f33177ae83b88c6e30ca76cb9
[INFO] running `"docker" "start" "-a" "b4d86483eee2fa919969a546cda36e3152c3cc2f33177ae83b88c6e30ca76cb9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling dkill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Iter` in crate `walkdir`
[INFO] [stderr]   --> src/file.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |     iter: walkdir::Iter
[INFO] [stderr]    |                    ^^^^ not found in `walkdir`
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing one of these items
[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 beta 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 struct `std::vec::Vec<u8>`
[INFO] [stderr]               found struct `sha1::Digest`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted
[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" "b4d86483eee2fa919969a546cda36e3152c3cc2f33177ae83b88c6e30ca76cb9"`
[INFO] running `"docker" "rm" "-f" "b4d86483eee2fa919969a546cda36e3152c3cc2f33177ae83b88c6e30ca76cb9"`
[INFO] [stdout] b4d86483eee2fa919969a546cda36e3152c3cc2f33177ae83b88c6e30ca76cb9