[INFO] cloning repository https://github.com/CryZe/livesplit-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CryZe/livesplit-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryZe%2Flivesplit-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryZe%2Flivesplit-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 403896a64a872468ee32bad769f47eb533dc004d
[INFO] testing CryZe/livesplit-server against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryZe%2Flivesplit-server" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CryZe/livesplit-server 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 git repo https://github.com/CryZe/livesplit-server
[INFO] finished tweaking git repo https://github.com/CryZe/livesplit-server
[INFO] tweaked toml for git repo https://github.com/CryZe/livesplit-server written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/CryZe/livesplit-server 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]     Updating git repository `https://github.com/CryZe/livesplit-core`
[INFO] [stderr]     Updating git repository `https://github.com/SergioBenitez/Rocket`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.2.2
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded serde_derive v1.0.8
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded unicode-bidi v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.13
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded png v0.7.0
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded num-rational v0.1.38
[INFO] [stderr]   Downloaded syn v0.8.7
[INFO] [stderr]   Downloaded quote v0.2.3
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded untrusted v0.5.0
[INFO] [stderr]   Downloaded rayon v0.8.1
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.7
[INFO] [stderr]   Downloaded mio v0.6.9
[INFO] [stderr]   Downloaded promising-future v0.2.4
[INFO] [stderr]   Downloaded thread-id v3.1.0
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded serde v1.0.8
[INFO] [stderr]   Downloaded cfg-if v0.1.1
[INFO] [stderr]   Downloaded net2 v0.2.29
[INFO] [stderr]   Downloaded unicase v2.0.0
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded user32-sys v0.2.0
[INFO] [stderr]   Downloaded x11-dl v2.14.0
[INFO] [stderr]   Downloaded odds v0.2.25
[INFO] [stderr]   Downloaded quick-error v1.2.0
[INFO] [stderr]   Downloaded parking_lot v0.4.4
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded ordermap v0.2.10
[INFO] [stderr]   Downloaded state v0.3.1
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded version_check v0.1.2
[INFO] [stderr]   Downloaded deflate v0.7.11
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded adler32 v1.0.0
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] [stderr]   Downloaded iovec v0.1.0
[INFO] [stderr]   Downloaded futures v0.1.14
[INFO] [stderr]   Downloaded redox_syscall v0.1.18
[INFO] [stderr]   Downloaded url v1.5.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded linked-hash-map v0.4.2
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded serde_yaml v0.7.1
[INFO] [stderr]   Downloaded pear v0.0.8
[INFO] [stderr]   Downloaded yansi v0.3.0
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded toml v0.4.1
[INFO] [stderr]   Downloaded derive-new v0.4.0
[INFO] [stderr]   Downloaded typed-arena v1.3.0
[INFO] [stderr]   Downloaded derive_more v0.6.2
[INFO] [stderr]   Downloaded num_cpus v1.6.0
[INFO] [stderr]   Downloaded threadpool v1.3.2
[INFO] [stderr]   Downloaded smallvec v0.4.0
[INFO] [stderr]   Downloaded pear_codegen v0.0.8
[INFO] [stderr]   Downloaded sxd-document v0.2.2
[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" "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] cbbade704b26707cc7d01a1c516ef98a4480ec57821e7890b16870d7377744c0
[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" "cbbade704b26707cc7d01a1c516ef98a4480ec57821e7890b16870d7377744c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbbade704b26707cc7d01a1c516ef98a4480ec57821e7890b16870d7377744c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbade704b26707cc7d01a1c516ef98a4480ec57821e7890b16870d7377744c0", kill_on_drop: false }`
[INFO] [stdout] cbbade704b26707cc7d01a1c516ef98a4480ec57821e7890b16870d7377744c0
[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" "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] 87f12599acd22b6de2175846a3e906c5b1f86fb3aa43fb24039f22b495544b6f
[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" "87f12599acd22b6de2175846a3e906c5b1f86fb3aa43fb24039f22b495544b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling yansi v0.3.0
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling smallvec v0.4.0
[INFO] [stderr]    Compiling untrusted v0.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.1
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling ordermap v0.2.10
[INFO] [stderr]    Compiling pear v0.0.8
[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/yansi-0.3.0/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_fn))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling state v0.3.1
[INFO] [stderr]    Compiling lazycell v0.4.0
[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 `yansi`
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.3.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn, drop_types_in_const)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "87f12599acd22b6de2175846a3e906c5b1f86fb3aa43fb24039f22b495544b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f12599acd22b6de2175846a3e906c5b1f86fb3aa43fb24039f22b495544b6f", kill_on_drop: false }`
[INFO] [stdout] 87f12599acd22b6de2175846a3e906c5b1f86fb3aa43fb24039f22b495544b6f