[INFO] cloning repository https://github.com/jpalvarezl/async_rocket_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpalvarezl/async_rocket_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpalvarezl%2Fasync_rocket_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpalvarezl%2Fasync_rocket_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a51a900bc19da357cb53c34c71892fa1ea8f1d0b
[INFO] testing jpalvarezl/async_rocket_playground against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpalvarezl%2Fasync_rocket_playground" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpalvarezl/async_rocket_playground on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jpalvarezl/async_rocket_playground
[INFO] finished tweaking git repo https://github.com/jpalvarezl/async_rocket_playground
[INFO] tweaked toml for git repo https://github.com/jpalvarezl/async_rocket_playground written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jpalvarezl/async_rocket_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fa470d6e8c3e892dfcc613c7b895e15789161a88c4104b934d4db09cd0c6aea
[INFO] running `Command { std: "docker" "start" "-a" "7fa470d6e8c3e892dfcc613c7b895e15789161a88c4104b934d4db09cd0c6aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fa470d6e8c3e892dfcc613c7b895e15789161a88c4104b934d4db09cd0c6aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa470d6e8c3e892dfcc613c7b895e15789161a88c4104b934d4db09cd0c6aea", kill_on_drop: false }`
[INFO] [stdout] 7fa470d6e8c3e892dfcc613c7b895e15789161a88c4104b934d4db09cd0c6aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f174ac03b70ede819fe18e9cc6e204438ae2006abcd2777331373a08c2e4b1
[INFO] running `Command { std: "docker" "start" "-a" "f0f174ac03b70ede819fe18e9cc6e204438ae2006abcd2777331373a08c2e4b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling const_fn v0.4.6
[INFO] [stderr]    Compiling inlinable_string v0.1.14
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling async-trait v0.1.49
[INFO] [stderr]    Compiling state v0.4.2 (https://github.com/SergioBenitez/state.git?rev=8f94dc#8f94dce6)
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling figment v0.10.5
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling multer v1.2.2 (https://github.com/rousan/multer-rs.git?rev=7e4f0c5f#7e4f0c5f)
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling combine v4.5.2
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling rocket v0.5.0-dev (https://github.com/SergioBenitez/Rocket?rev=4f3511786cb8b6540124b867591c7c5a6933409e#4f351178)
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling r2d2 v0.8.9
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling devise_core v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=df00b5#df00b516)
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pear_codegen v0.2.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling devise_codegen v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=df00b5#df00b516)
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling devise v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=df00b5#df00b516)
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling redis v0.20.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling pear v0.2.2
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ubyte v0.10.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling rocket_http v0.5.0-dev (https://github.com/SergioBenitez/Rocket?rev=4f3511786cb8b6540124b867591c7c5a6933409e#4f351178)
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-dev (https://github.com/SergioBenitez/Rocket?rev=4f3511786cb8b6540124b867591c7c5a6933409e#4f351178)
[INFO] [stderr]    Compiling rocket_contrib v0.5.0-dev (https://github.com/SergioBenitez/Rocket?rev=4f3511786cb8b6540124b867591c7c5a6933409e#4f351178)
[INFO] [stderr]    Compiling async_rocket_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure, proc_macro_hygiene, decl_macro, option_result_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_rocket_playground`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f0f174ac03b70ede819fe18e9cc6e204438ae2006abcd2777331373a08c2e4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f174ac03b70ede819fe18e9cc6e204438ae2006abcd2777331373a08c2e4b1", kill_on_drop: false }`
[INFO] [stdout] f0f174ac03b70ede819fe18e9cc6e204438ae2006abcd2777331373a08c2e4b1
