[INFO] cloning repository https://github.com/BleuShan/viewbuilder-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BleuShan/viewbuilder-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleuShan%2Fviewbuilder-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleuShan%2Fviewbuilder-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73418359b312c6364bcaf1630a01b0918166949d
[INFO] testing BleuShan/viewbuilder-rs against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleuShan%2Fviewbuilder-rs" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BleuShan/viewbuilder-rs 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 git repo https://github.com/BleuShan/viewbuilder-rs
[INFO] finished tweaking git repo https://github.com/BleuShan/viewbuilder-rs
[INFO] tweaked toml for git repo https://github.com/BleuShan/viewbuilder-rs written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/BleuShan/viewbuilder-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] a4ceb0c2c68711590da9b11c48d74eea48e5f20917510ac58ad2c832fc23eb82
[INFO] running `Command { std: "docker" "start" "-a" "a4ceb0c2c68711590da9b11c48d74eea48e5f20917510ac58ad2c832fc23eb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4ceb0c2c68711590da9b11c48d74eea48e5f20917510ac58ad2c832fc23eb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ceb0c2c68711590da9b11c48d74eea48e5f20917510ac58ad2c832fc23eb82", kill_on_drop: false }`
[INFO] [stdout] a4ceb0c2c68711590da9b11c48d74eea48e5f20917510ac58ad2c832fc23eb82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2844a230b392f108fba09ca48062f3fb806d6038c03664a052d81b18921c4dcf
[INFO] running `Command { std: "docker" "start" "-a" "2844a230b392f108fba09ca48062f3fb806d6038c03664a052d81b18921c4dcf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling viewbuilder-core v0.1.0 (/opt/rustwide/workdir/viewbuilder-core)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> viewbuilder-core/src/lib.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(never_type, format_args_capture, trait_alias, external_doc)]
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> viewbuilder-core/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(never_type, format_args_capture, trait_alias, external_doc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown `doc` attribute `include`
[INFO] [stdout]   --> viewbuilder-core/src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | / #![doc(
[INFO] [stdout] 11 | |     test(
[INFO] [stdout] 12 | |         no_crate_inject,
[INFO] [stdout] 13 | |         attr(forbid(future_incompatible)),
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     include = "../README.md"
[INFO] [stdout]    | |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | | )]
[INFO] [stdout]    | |__- help: use `doc = include_str!` instead: `#![doc = include_str!("../README.md")]`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> viewbuilder-core/src/lib.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![forbid(future_incompatible)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` implied by `#[warn(future_incompatible)]`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `viewbuilder-core` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2844a230b392f108fba09ca48062f3fb806d6038c03664a052d81b18921c4dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2844a230b392f108fba09ca48062f3fb806d6038c03664a052d81b18921c4dcf", kill_on_drop: false }`
[INFO] [stdout] 2844a230b392f108fba09ca48062f3fb806d6038c03664a052d81b18921c4dcf
