[INFO] updating cached repository https://github.com/SchrodingerZhu/new_chat
[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] 3df0dd4b00d1f10259d72ee6f45ead2a3c1f66d3
[INFO] testing SchrodingerZhu/new_chat 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%2FSchrodingerZhu%2Fnew_chat" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SchrodingerZhu/new_chat 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/SchrodingerZhu/new_chat
[INFO] finished tweaking git repo https://github.com/SchrodingerZhu/new_chat
[INFO] tweaked toml for git repo https://github.com/SchrodingerZhu/new_chat written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/SchrodingerZhu/new_chat 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee05e993aa215a5287bcca8975ff60d07b351df58246cf8178a8e5ae79ee6930
[INFO] running `Command { std: "docker" "start" "-a" "ee05e993aa215a5287bcca8975ff60d07b351df58246cf8178a8e5ae79ee6930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee05e993aa215a5287bcca8975ff60d07b351df58246cf8178a8e5ae79ee6930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee05e993aa215a5287bcca8975ff60d07b351df58246cf8178a8e5ae79ee6930", kill_on_drop: false }`
[INFO] [stdout] ee05e993aa215a5287bcca8975ff60d07b351df58246cf8178a8e5ae79ee6930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 58cb509178e284fc01a52d976e4fca97cfd031815213b94ea191e340bb5215e9
[INFO] running `Command { std: "docker" "start" "-a" "58cb509178e284fc01a52d976e4fca97cfd031815213b94ea191e340bb5215e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.12
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling page_size v0.4.1
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling gotham_derive v0.4.0
[INFO] [stderr]    Compiling webpki v0.19.1
[INFO] [stderr]    Compiling sct v0.5.0
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling tokio-rustls v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]    Compiling tracing v0.1.10
[INFO] [stderr]    Compiling const-random v0.1.6
[INFO] [stderr]    Compiling ahash v0.2.17
[INFO] [stderr]    Compiling pin-project v0.4.5
[INFO] [stderr]    Compiling tokio-io v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-codec v0.2.0-alpha.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling tokio-net v0.2.0-alpha.6
[INFO] [stderr]    Compiling borrow-bag v1.0.0
[INFO] [stderr]    Compiling tokio v0.2.0-alpha.6
[INFO] [stderr]    Compiling sodiumoxide v0.2.5
[INFO] [stderr]    Compiling halfbrown v0.1.10
[INFO] [stderr]    Compiling gotham v0.4.0
[INFO] [stderr]    Compiling simd-json v0.1.26
[INFO] [stderr]    Compiling jemallocator v0.3.2
[INFO] [stderr]    Compiling new_chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro, async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/state.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, Mutex, RwLock};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `Thread`
[INFO] [stdout]  --> src/state.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{JoinHandle, Thread};
[INFO] [stdout]   |                   ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::hash_map::rayon::*`
[INFO] [stdout]  --> src/state.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use hashbrown::hash_map::rayon::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/router.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cookie::SameSite`
[INFO] [stdout]  --> src/router.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cookie::SameSite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::prelude::*`
[INFO] [stdout]  --> src/router.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_empty_response`
[INFO] [stdout]  --> src/router.rs:7:39
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gotham::helpers::http::response::{create_empty_response, create_response};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_pipeline`
[INFO] [stdout]  --> src/router.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use gotham::pipeline::{new_pipeline, single_middleware};
[INFO] [stdout]   |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mime::Mime`
[INFO] [stdout]   --> src/router.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use mime::Mime;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]   --> src/router.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude`
[INFO] [stdout]   --> src/state.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `new_chat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "58cb509178e284fc01a52d976e4fca97cfd031815213b94ea191e340bb5215e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cb509178e284fc01a52d976e4fca97cfd031815213b94ea191e340bb5215e9", kill_on_drop: false }`
[INFO] [stdout] 58cb509178e284fc01a52d976e4fca97cfd031815213b94ea191e340bb5215e9