[INFO] fetching crate enso-automata 0.2.0...
[INFO] testing enso-automata-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate enso-automata 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate enso-automata 0.2.0
[INFO] finished tweaking crates.io crate enso-automata 0.2.0
[INFO] tweaked toml for crates.io crate enso-automata 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enso-automata 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 102 packages to latest compatible versions
[INFO] [stderr]       Adding js-sys v0.3.35 (available: v0.3.81)
[INFO] [stderr]       Adding wasm-bindgen v0.2.58 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.58 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.58 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.58 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.58 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-webidl v0.2.58 (available: v0.2.75)
[INFO] [stderr]       Adding web-sys v0.3.35 (available: v0.3.81)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shrinkwraprs v0.3.0
[INFO] [stderr]   Downloaded ifmt v0.3.3
[INFO] [stderr]   Downloaded weak-table v0.3.2
[INFO] [stderr]   Downloaded ifmt-impl v0.3.3
[INFO] [stderr]   Downloaded enso-prelude v0.2.6
[INFO] [stderr]   Downloaded boolinator v2.4.0
[INFO] [stderr]   Downloaded enso-macro-utils v0.2.0
[INFO] [stderr]   Downloaded simba v0.4.0
[INFO] [stderr]   Downloaded enclose v1.2.1
[INFO] [stderr]   Downloaded enso-shapely-macros v0.2.1
[INFO] [stderr]   Downloaded enso-shapely v0.2.0
[INFO] [stderr]   Downloaded nalgebra v0.26.2
[INFO] [stderr]   Downloaded object v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 886e8207919d0b4da6cb63331cab1a4358f853d554364b9237f1675457caa27f
[INFO] running `Command { std: "docker" "start" "-a" "886e8207919d0b4da6cb63331cab1a4358f853d554364b9237f1675457caa27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "886e8207919d0b4da6cb63331cab1a4358f853d554364b9237f1675457caa27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886e8207919d0b4da6cb63331cab1a4358f853d554364b9237f1675457caa27f", kill_on_drop: false }`
[INFO] [stdout] 886e8207919d0b4da6cb63331cab1a4358f853d554364b9237f1675457caa27f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 124fe9368db48fc0ef0971ff5358320285bb1a0f867f83999e38a6c704a50b9b
[INFO] running `Command { std: "docker" "start" "-a" "124fe9368db48fc0ef0971ff5358320285bb1a0f867f83999e38a6c704a50b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling enso-macro-utils v0.2.0
[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/enso-macro-utils-0.2.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(trait_alias)]
[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 `enso-macro-utils` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "124fe9368db48fc0ef0971ff5358320285bb1a0f867f83999e38a6c704a50b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124fe9368db48fc0ef0971ff5358320285bb1a0f867f83999e38a6c704a50b9b", kill_on_drop: false }`
[INFO] [stdout] 124fe9368db48fc0ef0971ff5358320285bb1a0f867f83999e38a6c704a50b9b