[INFO] updating cached repository https://github.com/LightStrawberry/cow
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bada0ce01b169c7dbce0bba508734a8dc5f833e
[INFO] testing LightStrawberry/cow against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightStrawberry%2Fcow" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LightStrawberry/cow on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LightStrawberry/cow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 665d5a2855fce6d0e213263334c8136933bd319e10b5a35c697409991ef9dd6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "665d5a2855fce6d0e213263334c8136933bd319e10b5a35c697409991ef9dd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "665d5a2855fce6d0e213263334c8136933bd319e10b5a35c697409991ef9dd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665d5a2855fce6d0e213263334c8136933bd319e10b5a35c697409991ef9dd6a", kill_on_drop: false }`
[INFO] [stdout] 665d5a2855fce6d0e213263334c8136933bd319e10b5a35c697409991ef9dd6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbf452506e9ab22a3217b8c8dad6c0d64f41124e38346bbb924ff66079787810
[INFO] running `Command { std: "docker" "start" "-a" "fbf452506e9ab22a3217b8c8dad6c0d64f41124e38346bbb924ff66079787810", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.9
[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 parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling handlebars v2.0.2
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/main.rs:365:20
[INFO] [stdout]     |
[INFO] [stdout] 365 |     future::result({ render_error_html(status) })
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |                     respond_with_dir(path)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^ expected struct `futures::Done`, found opaque type
[INFO] [stdout] ...
[INFO] [stdout] 334 | fn respond_with_dir(path: PathBuf) -> impl Future<Item=Response<Body>, Error=Error> {
[INFO] [stdout]     |                                       --------------------------------------------- the found opaque type
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected struct `futures::Done<hyper::Response<hyper::Body>, Error>`
[INFO] [stdout]             found opaque type `impl futures::Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `http::response::Builder: futures::Future` is not satisfied
[INFO] [stdout]    --> src/main.rs:334:39
[INFO] [stdout]     |
[INFO] [stdout] 334 |   fn respond_with_dir(path: PathBuf) -> impl Future<Item=Response<Body>, Error=Error> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `futures::Future` is not implemented for `http::response::Builder`
[INFO] [stdout] 335 | /     Response::builder()
[INFO] [stdout] 336 | |         .status(StatusCode::OK)
[INFO] [stdout] 337 | |         .header("cow", "0.0.1")
[INFO] [stdout]     | |_______________________________- this returned value is of type `&mut http::response::Builder`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `futures::Future` for `&mut http::response::Builder`
[INFO] [stdout]     = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cow`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fbf452506e9ab22a3217b8c8dad6c0d64f41124e38346bbb924ff66079787810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf452506e9ab22a3217b8c8dad6c0d64f41124e38346bbb924ff66079787810", kill_on_drop: false }`
[INFO] [stdout] fbf452506e9ab22a3217b8c8dad6c0d64f41124e38346bbb924ff66079787810