[INFO] cloning repository https://github.com/gsson/mini-web-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsson/mini-web-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsson%2Fmini-web-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsson%2Fmini-web-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 445d457e9ef448217b8c33438609e070b3c26b2d
[INFO] checking gsson/mini-web-rs against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsson%2Fmini-web-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gsson/mini-web-rs on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gsson/mini-web-rs
[INFO] finished tweaking git repo https://github.com/gsson/mini-web-rs
[INFO] tweaked toml for git repo https://github.com/gsson/mini-web-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/gsson/mini-web-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded opentelemetry-prometheus v0.9.0
[INFO] [stderr]   Downloaded axum v0.2.8
[INFO] [stderr]   Downloaded protobuf v2.25.1
[INFO] [stderr]   Downloaded prometheus v0.12.0
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 675d5550239a25988c0779aa0713e786c2311f46b6f0654ee0632d0c7064413f
[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" "675d5550239a25988c0779aa0713e786c2311f46b6f0654ee0632d0c7064413f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "675d5550239a25988c0779aa0713e786c2311f46b6f0654ee0632d0c7064413f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675d5550239a25988c0779aa0713e786c2311f46b6f0654ee0632d0c7064413f", kill_on_drop: false }`
[INFO] [stdout] 675d5550239a25988c0779aa0713e786c2311f46b6f0654ee0632d0c7064413f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91729d9bfc6f4c218a4bdf5dc3ceb739d6c8678298d73e1354d37c0e529d5d01
[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" "91729d9bfc6f4c218a4bdf5dc3ceb739d6c8678298d73e1354d37c0e529d5d01", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking opentelemetry v0.16.0
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking tower v0.4.9
[INFO] [stderr]     Checking tracing-opentelemetry v0.15.0
[INFO] [stderr]     Checking opentelemetry-prometheus v0.9.0
[INFO] [stderr]     Checking axum v0.2.8
[INFO] [stderr]     Checking mini-web 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(poll_ready)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(poll_ready)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `ready` found for enum `Poll` in the current scope
[INFO] [stdout]    --> src/meter_layer.rs:100:40
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let res = this.future.poll(cx).ready()??;
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        method not found in `Poll<Result<Response<ResBody>, E>>`
[INFO] [stdout]     |                                        help: there is a variant with a similar name: `Ready`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-web` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `ready` found for enum `Poll` in the current scope
[INFO] [stdout]    --> src/meter_layer.rs:100:40
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let res = this.future.poll(cx).ready()??;
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        method not found in `Poll<Result<Response<ResBody>, E>>`
[INFO] [stdout]     |                                        help: there is a variant with a similar name: `Ready`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "91729d9bfc6f4c218a4bdf5dc3ceb739d6c8678298d73e1354d37c0e529d5d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91729d9bfc6f4c218a4bdf5dc3ceb739d6c8678298d73e1354d37c0e529d5d01", kill_on_drop: false }`
[INFO] [stdout] 91729d9bfc6f4c218a4bdf5dc3ceb739d6c8678298d73e1354d37c0e529d5d01
