[INFO] cloning repository https://github.com/pacman82/odbc2parquet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pacman82/odbc2parquet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpacman82%2Fodbc2parquet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpacman82%2Fodbc2parquet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 074aa546abcce7b4857badb351c61aef20f5f386
[INFO] checking pacman82/odbc2parquet against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpacman82%2Fodbc2parquet" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pacman82/odbc2parquet on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/pacman82/odbc2parquet
[INFO] finished tweaking git repo https://github.com/pacman82/odbc2parquet
[INFO] tweaked toml for git repo https://github.com/pacman82/odbc2parquet written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/pacman82/odbc2parquet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a786654a40d3b988770bcc59e850f91a6fc6a922a5b225b8b9944bd2ebdcad3
[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" "0a786654a40d3b988770bcc59e850f91a6fc6a922a5b225b8b9944bd2ebdcad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a786654a40d3b988770bcc59e850f91a6fc6a922a5b225b8b9944bd2ebdcad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a786654a40d3b988770bcc59e850f91a6fc6a922a5b225b8b9944bd2ebdcad3", kill_on_drop: false }`
[INFO] [stdout] 0a786654a40d3b988770bcc59e850f91a6fc6a922a5b225b8b9944bd2ebdcad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e2b2ec42a802b7e4d41a8a1014c300a51afdffbb30f9ca1c172e1d8623ade7
[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" "86e2b2ec42a802b7e4d41a8a1014c300a51afdffbb30f9ca1c172e1d8623ade7", kill_on_drop: false }`
[INFO] [stderr]    Compiling odbc-sys v0.14.0
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking stderrlog v0.5.0
[INFO] [stderr]     Checking zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking arrow v2.0.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking parquet-format v2.6.1
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrow-2.0.0/src/lib.rs:127:1
[INFO] [stdout]     |
[INFO] [stdout] 127 | #![feature(specialization)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking odbc-api v0.9.1
[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 `arrow`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "86e2b2ec42a802b7e4d41a8a1014c300a51afdffbb30f9ca1c172e1d8623ade7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e2b2ec42a802b7e4d41a8a1014c300a51afdffbb30f9ca1c172e1d8623ade7", kill_on_drop: false }`
[INFO] [stdout] 86e2b2ec42a802b7e4d41a8a1014c300a51afdffbb30f9ca1c172e1d8623ade7