[INFO] fetching crate crabscore-energy 0.1.1...
[INFO] testing crabscore-energy-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate crabscore-energy 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate crabscore-energy 0.1.1
[INFO] finished tweaking crates.io crate crabscore-energy 0.1.1
[INFO] tweaked toml for crates.io crate crabscore-energy 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crabscore-energy 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crabscore-energy 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sluice v0.5.5
[INFO] [stderr]   Downloaded loggerv v0.7.2
[INFO] [stderr]   Downloaded castaway v0.1.2
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded isahc v1.7.2
[INFO] [stderr]   Downloaded curl v0.4.48
[INFO] [stderr]   Downloaded procfs v0.12.0
[INFO] [stderr]   Downloaded sysinfo v0.22.5
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.11+1.64.0
[INFO] [stderr]   Downloaded curl-sys v0.4.82+curl-8.14.1
[INFO] [stderr]   Downloaded docker-sync v0.1.2
[INFO] [stderr]   Downloaded k8s-openapi v0.13.1
[INFO] [stderr]   Downloaded k8s-sync v0.2.3
[INFO] [stderr]   Downloaded riemann_client v0.9.0
[INFO] [stderr]   Downloaded warp10 v1.2.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.27.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.27.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.27.0
[INFO] [stderr]   Downloaded scaphandre v0.5.0
[INFO] [stderr]   Downloaded windows-sys v0.27.0
[INFO] [stderr]   Downloaded windows v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40fa791e7d709808ad769c7482b818b345cae234e71af83091b56ae5c757eaf0
[INFO] running `Command { std: "docker" "start" "-a" "40fa791e7d709808ad769c7482b818b345cae234e71af83091b56ae5c757eaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fa791e7d709808ad769c7482b818b345cae234e71af83091b56ae5c757eaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fa791e7d709808ad769c7482b818b345cae234e71af83091b56ae5c757eaf0", kill_on_drop: false }`
[INFO] [stdout] 40fa791e7d709808ad769c7482b818b345cae234e71af83091b56ae5c757eaf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc3b6ff895446d2f6423dc6b4a56e07ad15c073c8786a0eb61284d365674e475
[INFO] running `Command { std: "docker" "start" "-a" "bc3b6ff895446d2f6423dc6b4a56e07ad15c073c8786a0eb61284d365674e475", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling cc v1.2.29
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[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
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[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling isahc v1.7.2
[INFO] [stderr]    Compiling waker-fn v1.2.0
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[INFO] [stderr]    Compiling iana-time-zone v0.1.63
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[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
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[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling riemann_client v0.9.0
[INFO] [stdout] error[E0658]: custom inner attributes are unstable
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/riemann_client-0.9.0/src/proto/mod_pb.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riemann_client` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc3b6ff895446d2f6423dc6b4a56e07ad15c073c8786a0eb61284d365674e475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3b6ff895446d2f6423dc6b4a56e07ad15c073c8786a0eb61284d365674e475", kill_on_drop: false }`
[INFO] [stdout] bc3b6ff895446d2f6423dc6b4a56e07ad15c073c8786a0eb61284d365674e475