[INFO] cloning repository https://github.com/myuon/rustapp-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myuon/rustapp-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Frustapp-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Frustapp-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 924184f767a47b0a7b16c1a76af7963ef5c898b9
[INFO] testing myuon/rustapp-example 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%2Fmyuon%2Frustapp-example" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myuon/rustapp-example 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/myuon/rustapp-example
[INFO] finished tweaking git repo https://github.com/myuon/rustapp-example
[INFO] tweaked toml for git repo https://github.com/myuon/rustapp-example written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/myuon/rustapp-example 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.13
[INFO] [stderr]   Downloaded bcrypt v0.6.0
[INFO] [stderr]   Downloaded mysql_common v0.18.0
[INFO] [stderr]   Downloaded r2d2_mysql v16.0.0
[INFO] [stderr]   Downloaded futures01 v0.1.29
[INFO] [stderr]   Downloaded biscuit v0.3.1
[INFO] [stderr]   Downloaded ulid v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 37ede6807864ca6e278002e43e1f3dcbc43f851a9dfefbfc5bd36e88d528e671
[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" "37ede6807864ca6e278002e43e1f3dcbc43f851a9dfefbfc5bd36e88d528e671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ede6807864ca6e278002e43e1f3dcbc43f851a9dfefbfc5bd36e88d528e671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ede6807864ca6e278002e43e1f3dcbc43f851a9dfefbfc5bd36e88d528e671", kill_on_drop: false }`
[INFO] [stdout] 37ede6807864ca6e278002e43e1f3dcbc43f851a9dfefbfc5bd36e88d528e671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 954406e148d33056e3c5263af11548ef2558dafd72100037641510af369dbf5d
[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" "954406e148d33056e3c5263af11548ef2558dafd72100037641510af369dbf5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling mysql v16.1.0
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling futures01 v0.1.29
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling blowfish v0.4.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling env_logger v0.7.0
[INFO] [stderr]    Compiling signal-hook v0.1.10
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.2
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling ulid v0.3.1
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling bcrypt v0.6.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling actix-utils v0.4.6
[INFO] [stderr]    Compiling actix-server-config v0.1.2
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling async-trait v0.1.13
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling dotenv v0.14.1
[INFO] [stderr]    Compiling actix-threadpool v0.1.2
[INFO] [stderr]    Compiling actix-rt v0.2.5
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling actix-server v0.6.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling actix-testing v0.1.0
[INFO] [stderr]    Compiling actix-connect v0.2.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling rust_decimal v1.0.3
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling actix-http v0.2.10
[INFO] [stderr]    Compiling mysql_common v0.18.0
[INFO] [stderr]    Compiling biscuit v0.3.1
[INFO] [stderr]    Compiling r2d2_mysql v16.0.0
[INFO] [stderr]    Compiling awc v0.2.7
[INFO] [stderr]    Compiling actix v0.8.3
[INFO] [stderr]    Compiling actix-web v1.0.8
[INFO] [stderr]    Compiling rustapp-example 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(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning 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 `rustapp-example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "954406e148d33056e3c5263af11548ef2558dafd72100037641510af369dbf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954406e148d33056e3c5263af11548ef2558dafd72100037641510af369dbf5d", kill_on_drop: false }`
[INFO] [stdout] 954406e148d33056e3c5263af11548ef2558dafd72100037641510af369dbf5d