[INFO] fetching crate maud 0.22.3...
[INFO] checking maud-0.22.3 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate maud 0.22.3 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate maud 0.22.3 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 crates.io crate maud 0.22.3
[INFO] finished tweaking crates.io crate maud 0.22.3
[INFO] tweaked toml for crates.io crate maud 0.22.3 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v4.0.2
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded axum v0.1.3
[INFO] [stderr]   Downloaded trybuild v1.0.50
[INFO] [stderr]   Downloaded tower-http v0.1.1
[INFO] [stderr]   Downloaded http-client v6.5.1
[INFO] [stderr]   Downloaded actix-http v2.2.1
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded maud_macros v0.22.3
[INFO] [stderr]   Downloaded http-types v2.12.0
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 44239d7e838f52e62cdeae75accf39f0951bb06fcbb78da6caa81d294bcd8e92
[INFO] running `Command { std: "docker" "start" "-a" "44239d7e838f52e62cdeae75accf39f0951bb06fcbb78da6caa81d294bcd8e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44239d7e838f52e62cdeae75accf39f0951bb06fcbb78da6caa81d294bcd8e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44239d7e838f52e62cdeae75accf39f0951bb06fcbb78da6caa81d294bcd8e92", kill_on_drop: false }`
[INFO] [stdout] 44239d7e838f52e62cdeae75accf39f0951bb06fcbb78da6caa81d294bcd8e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] e99c2e2ca9b4f53f6e677c4dda1cdd02f4dac3ec3cb890f60e16af9c0f3c2fc0
[INFO] running `Command { std: "docker" "start" "-a" "e99c2e2ca9b4f53f6e677c4dda1cdd02f4dac3ec3cb890f60e16af9c0f3c2fc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maud_htmlescape v0.17.1
[INFO] [stderr]    Compiling trybuild v1.0.50
[INFO] [stderr]     Checking dissimilar v1.0.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling maud_macros v0.22.3
[INFO] [stderr]     Checking maud v0.22.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/complicated_maud.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/maud.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maud` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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" "e99c2e2ca9b4f53f6e677c4dda1cdd02f4dac3ec3cb890f60e16af9c0f3c2fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99c2e2ca9b4f53f6e677c4dda1cdd02f4dac3ec3cb890f60e16af9c0f3c2fc0", kill_on_drop: false }`
[INFO] [stdout] e99c2e2ca9b4f53f6e677c4dda1cdd02f4dac3ec3cb890f60e16af9c0f3c2fc0
