[INFO] updating cached repository https://github.com/LightStrawberry/cow
[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] 3bada0ce01b169c7dbce0bba508734a8dc5f833e
[INFO] testing LightStrawberry/cow against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightStrawberry%2Fcow" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LightStrawberry/cow 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/LightStrawberry/cow
[INFO] finished tweaking git repo https://github.com/LightStrawberry/cow
[INFO] tweaked toml for git repo https://github.com/LightStrawberry/cow written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/LightStrawberry/cow 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 84b5b5f07cfca5b5cda3958d91f27501c6e7094bf2f2aacacf019b53b304bd6c
[INFO] running `"docker" "start" "-a" "84b5b5f07cfca5b5cda3958d91f27501c6e7094bf2f2aacacf019b53b304bd6c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling handlebars v2.0.2
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/main.rs:365:20
[INFO] [stderr]     |
[INFO] [stderr] 365 |     future::result({ render_error_html(status) })
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:201:21
[INFO] [stderr]     |
[INFO] [stderr] 201 |                     respond_with_dir(path)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ expected struct `futures::Done`, found opaque type
[INFO] [stderr] ...
[INFO] [stderr] 334 | fn respond_with_dir(path: PathBuf) -> impl Future<Item=Response<Body>, Error=Error> {
[INFO] [stderr]     |                                       --------------------------------------------- the found opaque type
[INFO] [stderr]     |
[INFO] [stderr]     = note:   expected struct `futures::Done<hyper::Response<hyper::Body>, Error>`
[INFO] [stderr]             found opaque type `impl futures::Future`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `hyper::http::response::Builder: futures::Future` is not satisfied
[INFO] [stderr]    --> src/main.rs:334:39
[INFO] [stderr]     |
[INFO] [stderr] 334 |   fn respond_with_dir(path: PathBuf) -> impl Future<Item=Response<Body>, Error=Error> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `futures::Future` is not implemented for `hyper::http::response::Builder`
[INFO] [stderr] 335 | /     Response::builder()
[INFO] [stderr] 336 | |         .status(StatusCode::OK)
[INFO] [stderr] 337 | |         .header("cow", "0.0.1")
[INFO] [stderr]     | |_______________________________- this returned value is of type `&mut hyper::http::response::Builder`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `futures::Future` for `&mut hyper::http::response::Builder`
[INFO] [stderr]     = note: the return type of a function must have a statically known size
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `cow`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "84b5b5f07cfca5b5cda3958d91f27501c6e7094bf2f2aacacf019b53b304bd6c"`
[INFO] running `"docker" "rm" "-f" "84b5b5f07cfca5b5cda3958d91f27501c6e7094bf2f2aacacf019b53b304bd6c"`
[INFO] [stdout] 84b5b5f07cfca5b5cda3958d91f27501c6e7094bf2f2aacacf019b53b304bd6c