[INFO] fetching crate ruapc 0.1.3...
[INFO] checking ruapc-0.1.3 against 1.95.0 for pr-155915
[INFO] extracting crate ruapc 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ruapc 0.1.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ruapc 0.1.3
[INFO] tweaked toml for crates.io crate ruapc 0.1.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruapc 0.1.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruapc 0.1.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-tungstenite v0.18.0
[INFO] [stderr]   Downloaded ruapc-rdma v0.1.3
[INFO] [stderr]   Downloaded serde-inline-default v0.2.3
[INFO] [stderr]   Downloaded ruapc-macro v0.1.3
[INFO] [stderr]   Downloaded rand v0.9.3
[INFO] [stderr]   Downloaded rustls-webpki v0.103.11
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dea44936478bd82ccbcf76d9e9b3885dba75ac153566aab669d8c44a1c3b8d2f
[INFO] running `Command { std: "docker" "start" "-a" "dea44936478bd82ccbcf76d9e9b3885dba75ac153566aab669d8c44a1c3b8d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dea44936478bd82ccbcf76d9e9b3885dba75ac153566aab669d8c44a1c3b8d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea44936478bd82ccbcf76d9e9b3885dba75ac153566aab669d8c44a1c3b8d2f", kill_on_drop: false }`
[INFO] [stdout] dea44936478bd82ccbcf76d9e9b3885dba75ac153566aab669d8c44a1c3b8d2f
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2337a05855d1f2240ee419d3cc6f60dc4c2bc328614aedd3731801079ac55793
[INFO] running `Command { std: "docker" "start" "-a" "2337a05855d1f2240ee419d3cc6f60dc4c2bc328614aedd3731801079ac55793", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking yoke v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.76
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking rand v0.9.3
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking zerovec v0.11.6
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking zerotrie v0.2.4
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]    Compiling serde-inline-default v0.2.3
[INFO] [stderr]     Checking tokio v1.51.1
[INFO] [stderr]     Checking iri-string v0.7.12
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking openapiv3 v2.2.0
[INFO] [stderr]     Checking tinystr v0.8.3
[INFO] [stderr]     Checking potential_utf v0.1.5
[INFO] [stderr]     Checking tungstenite v0.27.0
[INFO] [stderr]     Checking icu_collections v2.2.0
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]     Checking icu_locale_core v2.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking icu_provider v2.2.0
[INFO] [stderr]     Checking icu_properties v2.2.0
[INFO] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking schemars v1.2.1
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling ruapc-macro v0.1.3
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking tokio-tungstenite v0.27.0
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking h2 v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v1.9.0
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking hyper-tungstenite v0.18.0
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking ruapc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![feature(return_type_notation)]
[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 `ruapc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![feature(return_type_notation)]
[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 `ruapc` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2337a05855d1f2240ee419d3cc6f60dc4c2bc328614aedd3731801079ac55793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2337a05855d1f2240ee419d3cc6f60dc4c2bc328614aedd3731801079ac55793", kill_on_drop: false }`
[INFO] [stdout] 2337a05855d1f2240ee419d3cc6f60dc4c2bc328614aedd3731801079ac55793
