[INFO] fetching crate reqwless 0.9.1...
[INFO] testing reqwless-0.9.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate reqwless 0.9.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate reqwless 0.9.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate reqwless 0.9.1
[INFO] finished tweaking crates.io crate reqwless 0.9.1
[INFO] tweaked toml for crates.io crate reqwless 0.9.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-io-async v0.6.1
[INFO] [stderr]   Downloaded embedded-io v0.6.1
[INFO] [stderr]   Downloaded embedded-nal v0.7.0
[INFO] [stderr]   Downloaded embedded-io-adapters v0.6.1
[INFO] [stderr]   Downloaded buffered-io v0.4.3
[INFO] [stderr]   Downloaded embedded-nal-async v0.6.0
[INFO] [stderr]   Downloaded nourl v0.1.1
[INFO] [stderr]   Downloaded embedded-tls v0.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 114860179e797c36bd992e4e23777203f8d9e4b053299c2da8f1154aaa628165
[INFO] running `Command { std: "docker" "start" "-a" "114860179e797c36bd992e4e23777203f8d9e4b053299c2da8f1154aaa628165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114860179e797c36bd992e4e23777203f8d9e4b053299c2da8f1154aaa628165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114860179e797c36bd992e4e23777203f8d9e4b053299c2da8f1154aaa628165", kill_on_drop: false }`
[INFO] [stdout] 114860179e797c36bd992e4e23777203f8d9e4b053299c2da8f1154aaa628165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c0c3d42c5e07b053cbd5236881ffb75db50585a1e276f3e72abd78264f2c25
[INFO] running `Command { std: "docker" "start" "-a" "63c0c3d42c5e07b053cbd5236881ffb75db50585a1e276f3e72abd78264f2c25", kill_on_drop: false }`
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling der v0.7.8
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling nourl v0.1.1
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling buffered-io v0.4.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/buffered-io-0.4.3/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(impl_trait_projections)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `impl_trait_projections` has been stable since `1.74.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/buffered-io-0.4.3/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_fn_in_trait` has been stable since `1.75.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buffered-io` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "63c0c3d42c5e07b053cbd5236881ffb75db50585a1e276f3e72abd78264f2c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c0c3d42c5e07b053cbd5236881ffb75db50585a1e276f3e72abd78264f2c25", kill_on_drop: false }`
[INFO] [stdout] 63c0c3d42c5e07b053cbd5236881ffb75db50585a1e276f3e72abd78264f2c25
