[INFO] fetching crate inari 0.8.0...
[INFO] testing inari-0.8.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate inari 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate inari 0.8.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inari 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate inari 0.8.0
[INFO] tweaked toml for crates.io crate inari 0.8.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate inari 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded nom v6.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69997c3cffe07a05e7e58aeeb77828ed0e4c855fcdae30f8c07deff2ec6c3f1c
[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" "69997c3cffe07a05e7e58aeeb77828ed0e4c855fcdae30f8c07deff2ec6c3f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69997c3cffe07a05e7e58aeeb77828ed0e4c855fcdae30f8c07deff2ec6c3f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69997c3cffe07a05e7e58aeeb77828ed0e4c855fcdae30f8c07deff2ec6c3f1c", kill_on_drop: false }`
[INFO] [stdout] 69997c3cffe07a05e7e58aeeb77828ed0e4c855fcdae30f8c07deff2ec6c3f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 023d80efcde2772b0c3fc80f6acc59c6df096aa40e5c9b69874d29e718db1892
[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" "023d80efcde2772b0c3fc80f6acc59c6df096aa40e5c9b69874d29e718db1892", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling funty v1.0.1
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling az v1.0.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling nom v6.0.0
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling inari v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(external_doc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inari`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "023d80efcde2772b0c3fc80f6acc59c6df096aa40e5c9b69874d29e718db1892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023d80efcde2772b0c3fc80f6acc59c6df096aa40e5c9b69874d29e718db1892", kill_on_drop: false }`
[INFO] [stdout] 023d80efcde2772b0c3fc80f6acc59c6df096aa40e5c9b69874d29e718db1892