[INFO] cloning repository https://github.com/YoloDev/skorm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YoloDev/skorm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoloDev%2Fskorm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoloDev%2Fskorm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0e896de8868bf8ccbeaaf9428d5a317f21c130a
[INFO] testing YoloDev/skorm against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoloDev%2Fskorm" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YoloDev/skorm 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] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/YoloDev/skorm
[INFO] finished tweaking git repo https://github.com/YoloDev/skorm
[INFO] tweaked toml for git repo https://github.com/YoloDev/skorm written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/YoloDev/skorm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.3.4
[INFO] [stderr]   Downloaded salsa-macros v0.16.0
[INFO] [stderr]   Downloaded structopt v0.3.4
[INFO] [stderr]   Downloaded rust_decimal v1.0.3
[INFO] [stderr]   Downloaded regex v1.3.3
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.13
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded salsa v0.16.1
[INFO] [stderr]   Downloaded datatest v0.6.0
[INFO] [stderr]   Downloaded datatest-derive v0.6.0
[INFO] [stderr]   Downloaded evitable-derive v0.5.0
[INFO] [stderr]   Downloaded evitable v0.5.0
[INFO] [stderr]   Downloaded evitable-derive-core v0.5.0
[INFO] [stderr]   Downloaded evitable-syn-meta-ext v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc0d503f60b12babc396cba0dc6d959e5d4afc04d901996edb0e4d0abb8260ad
[INFO] running `Command { std: "docker" "start" "-a" "bc0d503f60b12babc396cba0dc6d959e5d4afc04d901996edb0e4d0abb8260ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc0d503f60b12babc396cba0dc6d959e5d4afc04d901996edb0e4d0abb8260ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0d503f60b12babc396cba0dc6d959e5d4afc04d901996edb0e4d0abb8260ad", kill_on_drop: false }`
[INFO] [stdout] bc0d503f60b12babc396cba0dc6d959e5d4afc04d901996edb0e4d0abb8260ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9f477a6a0885ae5124a7b45f702b2ac617fe80500f61d4c73d8c9388ccfa5446
[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" "9f477a6a0885ae5124a7b45f702b2ac617fe80500f61d4c73d8c9388ccfa5446", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling skorm-core v0.1.0 (/opt/rustwide/workdir/crates/core)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling bitmaps v2.0.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> crates/core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[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]    Compiling backtrace v0.3.40
[INFO] [stderr] error: could not compile `skorm-core` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9f477a6a0885ae5124a7b45f702b2ac617fe80500f61d4c73d8c9388ccfa5446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f477a6a0885ae5124a7b45f702b2ac617fe80500f61d4c73d8c9388ccfa5446", kill_on_drop: false }`
[INFO] [stdout] 9f477a6a0885ae5124a7b45f702b2ac617fe80500f61d4c73d8c9388ccfa5446
