[INFO] fetching crate refault 0.3.0...
[INFO] testing refault-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate refault 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate refault 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate refault 0.3.0
[INFO] tweaked toml for crates.io crate refault 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate refault 0.3.0 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 refault 0.3.0 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 cooked-waker v5.0.0
[INFO] [stderr]   Downloaded radium v1.1.1
[INFO] [stderr]   Downloaded feature-extension-for-async-std v0.2.2
[INFO] [stderr]   Downloaded priority-queue v2.5.0
[INFO] [stderr]   Downloaded atomic-time v0.1.5
[INFO] [stderr]   Downloaded agnostic-lite v0.5.6
[INFO] [stderr]   Downloaded async-io v2.5.0
[INFO] [stderr]   Downloaded send_wrapper v0.4.0
[INFO] [stderr]   Downloaded feature-extension-for-smol v0.2.2
[INFO] [stderr]   Downloaded async-signal v0.2.12
[INFO] [stderr]   Downloaded libc v1.0.0-alpha.1
[INFO] [stderr]   Downloaded async-process v2.4.0
[INFO] [stderr]   Downloaded pin-arc v0.2.1
[INFO] [stderr]   Downloaded feature-extension-for-wasm-bindgen-futures v0.2.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8734a13b5fd2538f495982012ea0e6dd91a594ee25fd62b73124bdf001d5d5e
[INFO] running `Command { std: "docker" "start" "-a" "b8734a13b5fd2538f495982012ea0e6dd91a594ee25fd62b73124bdf001d5d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8734a13b5fd2538f495982012ea0e6dd91a594ee25fd62b73124bdf001d5d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8734a13b5fd2538f495982012ea0e6dd91a594ee25fd62b73124bdf001d5d5e", kill_on_drop: false }`
[INFO] [stdout] b8734a13b5fd2538f495982012ea0e6dd91a594ee25fd62b73124bdf001d5d5e
[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=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] fce49fab08c36ceb0da2972b8289a41db049d20fcaaec8f7eb7054749c046486
[INFO] running `Command { std: "docker" "start" "-a" "fce49fab08c36ceb0da2972b8289a41db049d20fcaaec8f7eb7054749c046486", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling libc v1.0.0-alpha.1
[INFO] [stderr]    Compiling radium v1.1.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling cooked-waker v5.0.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-arc v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling priority-queue v2.5.0
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling refault v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(abort_unwind)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(impl_trait_in_assoc_type)]
[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 `refault` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fce49fab08c36ceb0da2972b8289a41db049d20fcaaec8f7eb7054749c046486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce49fab08c36ceb0da2972b8289a41db049d20fcaaec8f7eb7054749c046486", kill_on_drop: false }`
[INFO] [stdout] fce49fab08c36ceb0da2972b8289a41db049d20fcaaec8f7eb7054749c046486