[INFO] fetching crate modrpc-hub 0.0.1...
[INFO] checking modrpc-hub-0.0.1 against 1.95.0 for pr-155915
[INFO] extracting crate modrpc-hub 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate modrpc-hub 0.0.1
[INFO] finished tweaking crates.io crate modrpc-hub 0.0.1
[INFO] tweaked toml for crates.io crate modrpc-hub 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modrpc-hub 0.0.1 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 modrpc-hub 0.0.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.27.0
[INFO] [stderr]   Downloaded thid v0.0.1
[INFO] [stderr]   Downloaded probius-mproto v0.1.2
[INFO] [stderr]   Downloaded tungstenite v0.27.0
[INFO] [stderr]   Downloaded windows-interface v0.59.2
[INFO] [stderr]   Downloaded modrpc-executor v0.0.1
[INFO] [stderr]   Downloaded modrpc v0.0.1
[INFO] [stderr]   Downloaded windows-implement v0.60.1
[INFO] [stderr]   Downloaded async-event v0.2.1
[INFO] [stderr]   Downloaded burstq v0.2.0
[INFO] [stderr]   Downloaded localq v0.0.2
[INFO] [stderr]   Downloaded waitq v0.0.3
[INFO] [stderr]   Downloaded mproto v0.2.1
[INFO] [stderr]   Downloaded probius v0.0.5
[INFO] [stderr]   Downloaded bab v0.0.4
[INFO] [stderr]   Downloaded ispawn v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e0d6286c834623e8b06d3a788d7502cade0db176d23afc230284843ea6362856
[INFO] running `Command { std: "docker" "start" "-a" "e0d6286c834623e8b06d3a788d7502cade0db176d23afc230284843ea6362856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0d6286c834623e8b06d3a788d7502cade0db176d23afc230284843ea6362856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d6286c834623e8b06d3a788d7502cade0db176d23afc230284843ea6362856", kill_on_drop: false }`
[INFO] [stdout] e0d6286c834623e8b06d3a788d7502cade0db176d23afc230284843ea6362856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9762b25252499fc2892a0ad531ae7fb820fe7950d78586fef160cbdba758cea3
[INFO] running `Command { std: "docker" "start" "-a" "9762b25252499fc2892a0ad531ae7fb820fe7950d78586fef160cbdba758cea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking thid v0.0.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mproto v0.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mproto-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(marker_trait_attr)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking async-event v0.2.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking ispawn v0.0.2
[INFO] [stderr]     Checking burstq v0.2.0
[INFO] [stderr]     Checking modrpc-executor v0.0.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking localq v0.0.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mproto` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9762b25252499fc2892a0ad531ae7fb820fe7950d78586fef160cbdba758cea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9762b25252499fc2892a0ad531ae7fb820fe7950d78586fef160cbdba758cea3", kill_on_drop: false }`
[INFO] [stdout] 9762b25252499fc2892a0ad531ae7fb820fe7950d78586fef160cbdba758cea3