[INFO] fetching crate uhttp_json_api 0.6.1...
[INFO] documenting uhttp_json_api-0.6.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate uhttp_json_api 0.6.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate uhttp_json_api 0.6.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uhttp_json_api 0.6.1
[INFO] finished tweaking crates.io crate uhttp_json_api 0.6.1
[INFO] tweaked toml for crates.io crate uhttp_json_api 0.6.1 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uhttp_uri v0.5.1
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded subslice_index v0.5.0
[INFO] [stderr]   Downloaded itoa v0.3.4
[INFO] [stderr]   Downloaded uhttp_method v0.10.0
[INFO] [stderr]   Downloaded uhttp_media_type v0.5.0
[INFO] [stderr]   Downloaded uhttp_chunked_bytes v0.5.0
[INFO] [stderr]   Downloaded uhttp_content_encoding v0.5.1
[INFO] [stderr]   Downloaded uhttp_transfer_encoding v0.5.0
[INFO] [stderr]   Downloaded uhttp_version v0.6.0
[INFO] [stderr]   Downloaded uhttp_status v0.10.0
[INFO] [stderr]   Downloaded uhttp_request v0.5.1
[INFO] [stderr]   Downloaded uhttp_body_bytes v0.5.2
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded uhttp_request_target v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0a7b1a07e33b9e28e59744ba4c8a32b04acfa4762ad4694f5a23b42a0dd507f
[INFO] running `Command { std: "docker" "start" "-a" "b0a7b1a07e33b9e28e59744ba4c8a32b04acfa4762ad4694f5a23b42a0dd507f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a7b1a07e33b9e28e59744ba4c8a32b04acfa4762ad4694f5a23b42a0dd507f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a7b1a07e33b9e28e59744ba4c8a32b04acfa4762ad4694f5a23b42a0dd507f", kill_on_drop: false }`
[INFO] [stdout] b0a7b1a07e33b9e28e59744ba4c8a32b04acfa4762ad4694f5a23b42a0dd507f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb863c2aa6730359f050b20cef675067525a0c4fe2294252ccb643b7a59a1dcf
[INFO] running `Command { std: "docker" "start" "-a" "bb863c2aa6730359f050b20cef675067525a0c4fe2294252ccb643b7a59a1dcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking uhttp_status v0.10.0
[INFO] [stderr]     Checking uhttp_body_bytes v0.5.2
[INFO] [stderr]     Checking subslice_index v0.5.0
[INFO] [stderr]     Checking uhttp_uri v0.5.1
[INFO] [stderr]     Checking uhttp_transfer_encoding v0.5.0
[INFO] [stderr]     Checking uhttp_version v0.6.0
[INFO] [stderr]     Checking uhttp_request_target v0.6.0
[INFO] [stderr]     Checking uhttp_content_encoding v0.5.1
[INFO] [stderr]     Checking uhttp_chunked_bytes v0.5.0
[INFO] [stderr]     Checking uhttp_method v0.10.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uhttp_transfer_encoding-0.5.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uhttp_version-0.6.0/src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(field_init_shorthand)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `field_init_shorthand` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uhttp_version-0.6.0/src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(static_in_const)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `static_in_const` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uhttp_content_encoding-0.5.1/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[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] [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 `uhttp_transfer_encoding` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "bb863c2aa6730359f050b20cef675067525a0c4fe2294252ccb643b7a59a1dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb863c2aa6730359f050b20cef675067525a0c4fe2294252ccb643b7a59a1dcf", kill_on_drop: false }`
[INFO] [stdout] bb863c2aa6730359f050b20cef675067525a0c4fe2294252ccb643b7a59a1dcf
