[INFO] fetching crate solitaire-templates 0.0.1...
[INFO] testing solitaire-templates-0.0.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate solitaire-templates 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate solitaire-templates 0.0.1
[INFO] finished tweaking crates.io crate solitaire-templates 0.0.1
[INFO] tweaked toml for crates.io crate solitaire-templates 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate solitaire-templates 0.0.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 108 packages to highest compatible versions
[INFO] [stderr]       Adding maud v0.21.0 (available: v0.27.0)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded solitaire-service v0.0.1
[INFO] [stderr]   Downloaded built v0.3.2
[INFO] [stderr]   Downloaded solitaire-core v0.0.1
[INFO] [stderr]   Downloaded maud_macros v0.21.0
[INFO] [stderr]   Downloaded maud v0.21.0
[INFO] [stderr]   Downloaded maud_htmlescape v0.17.1
[INFO] [stderr]   Downloaded git2 v0.10.2
[INFO] [stderr]   Downloaded libgit2-sys v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2
[INFO] running `Command { std: "docker" "start" "b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libz-sys v1.1.30
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling maud_htmlescape v0.17.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling maud_macros v0.21.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maud_macros-0.21.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_def_site)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maud_macros` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2", kill_on_drop: false }`
[INFO] [stdout] b5ab54798b9d0bddab0ea3973cd68bc0127602ed8621a3b6e2804c8db743c0a2
