[INFO] fetching crate connectorx 0.2.4-alpha.8...
[INFO] testing connectorx-0.2.4-alpha.8 against 1.59.0 for beta-1.60-1
[INFO] extracting crate connectorx 0.2.4-alpha.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate connectorx 0.2.4-alpha.8 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connectorx 0.2.4-alpha.8
[INFO] finished tweaking crates.io crate connectorx 0.2.4-alpha.8
[INFO] tweaked toml for crates.io crate connectorx 0.2.4-alpha.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce998cc7af390c28246dcd1738ec1fb5a2e6a5bf40065cabc6f0faace7a6ff1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce998cc7af390c28246dcd1738ec1fb5a2e6a5bf40065cabc6f0faace7a6ff1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce998cc7af390c28246dcd1738ec1fb5a2e6a5bf40065cabc6f0faace7a6ff1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce998cc7af390c28246dcd1738ec1fb5a2e6a5bf40065cabc6f0faace7a6ff1d", kill_on_drop: false }`
[INFO] [stdout] ce998cc7af390c28246dcd1738ec1fb5a2e6a5bf40065cabc6f0faace7a6ff1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 382b28e3d0e79336712788126aaf42371d47eae85ac441b6152ca36bc4f55b7f
[INFO] running `Command { std: "docker" "start" "-a" "382b28e3d0e79336712788126aaf42371d47eae85ac441b6152ca36bc4f55b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling sqlparser v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling connectorx v0.2.4-alpha.8 (/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(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `connectorx` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "382b28e3d0e79336712788126aaf42371d47eae85ac441b6152ca36bc4f55b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382b28e3d0e79336712788126aaf42371d47eae85ac441b6152ca36bc4f55b7f", kill_on_drop: false }`
[INFO] [stdout] 382b28e3d0e79336712788126aaf42371d47eae85ac441b6152ca36bc4f55b7f