[INFO] fetching crate connectorx 0.2.0...
[INFO] testing connectorx-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate connectorx 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate connectorx 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connectorx 0.2.0
[INFO] finished tweaking crates.io crate connectorx 0.2.0
[INFO] tweaked toml for crates.io crate connectorx 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe_unwrap v0.1.0
[INFO] [stderr]   Downloaded polars-arrow v0.14.8
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded polars-core v0.14.8
[INFO] [stderr]   Downloaded bb8 v0.7.0
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded r2d2_postgres v0.18.0
[INFO] [stderr]   Downloaded r2d2_sqlite v0.18.0
[INFO] [stderr]   Downloaded asynchronous-codec v0.5.0
[INFO] [stderr]   Downloaded arrow v4.4.0
[INFO] [stderr]   Downloaded r2d2_mysql v18.0.0
[INFO] [stderr]   Downloaded polars-io v0.14.8
[INFO] [stderr]   Downloaded cpp_demangle v0.3.3
[INFO] [stderr]   Downloaded symbolic-demangle v8.3.0
[INFO] [stderr]   Downloaded connection-string v0.1.13
[INFO] [stderr]   Downloaded opentls v0.2.1
[INFO] [stderr]   Downloaded winauth v0.0.4
[INFO] [stderr]   Downloaded polars-lazy v0.14.8
[INFO] [stderr]   Downloaded symbolic-common v8.3.0
[INFO] [stderr]   Downloaded pprof v0.5.0
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded tiberius v0.5.16
[INFO] [stderr]   Downloaded polars v0.14.8
[INFO] [stderr]   Downloaded bb8-tiberius v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541cd9426a6cf66db92714a9d202c0deb75d44bd6e44818b988c200fedb409c7
[INFO] running `Command { std: "docker" "start" "-a" "541cd9426a6cf66db92714a9d202c0deb75d44bd6e44818b988c200fedb409c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541cd9426a6cf66db92714a9d202c0deb75d44bd6e44818b988c200fedb409c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541cd9426a6cf66db92714a9d202c0deb75d44bd6e44818b988c200fedb409c7", kill_on_drop: false }`
[INFO] [stdout] 541cd9426a6cf66db92714a9d202c0deb75d44bd6e44818b988c200fedb409c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df021e47bac28189ddcf11504061eb4bfc21c56d769b561fd439579408214ac
[INFO] running `Command { std: "docker" "start" "-a" "7df021e47bac28189ddcf11504061eb4bfc21c56d769b561fd439579408214ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling sqlparser v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling connectorx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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" "7df021e47bac28189ddcf11504061eb4bfc21c56d769b561fd439579408214ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df021e47bac28189ddcf11504061eb4bfc21c56d769b561fd439579408214ac", kill_on_drop: false }`
[INFO] [stdout] 7df021e47bac28189ddcf11504061eb4bfc21c56d769b561fd439579408214ac
