[INFO] cloning repository https://github.com/MagnificentPako/rust-sharex-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MagnificentPako/rust-sharex-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagnificentPako%2Frust-sharex-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagnificentPako%2Frust-sharex-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 664fb38b3c2284af313c6c1dcc924345b6dd3601
[INFO] testing MagnificentPako/rust-sharex-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%2FMagnificentPako%2Frust-sharex-server" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MagnificentPako/rust-sharex-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/MagnificentPako/rust-sharex-server
[INFO] finished tweaking git repo https://github.com/MagnificentPako/rust-sharex-server
[INFO] tweaked toml for git repo https://github.com/MagnificentPako/rust-sharex-server written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MagnificentPako/rust-sharex-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie v0.6.1
[INFO] [stderr]   Downloaded rocket_codegen v0.2.6
[INFO] [stderr]   Downloaded rocket v0.2.6
[INFO] [stderr]   Downloaded rocket_contrib v0.2.6
[INFO] [stderr]   Downloaded digest v0.5.0
[INFO] [stderr]   Downloaded sha2 v0.5.0
[INFO] [stderr]   Downloaded digest-buffer v0.3.0
[INFO] [stderr]   Downloaded multipart v0.11.0
[INFO] [stderr]   Downloaded handlebars v0.25.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cf26d6f902d9ec799beeb773cf5f29b7f872d83a6b225a4c5bbd0d3100f5f21e
[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" "cf26d6f902d9ec799beeb773cf5f29b7f872d83a6b225a4c5bbd0d3100f5f21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf26d6f902d9ec799beeb773cf5f29b7f872d83a6b225a4c5bbd0d3100f5f21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf26d6f902d9ec799beeb773cf5f29b7f872d83a6b225a4c5bbd0d3100f5f21e", kill_on_drop: false }`
[INFO] [stdout] cf26d6f902d9ec799beeb773cf5f29b7f872d83a6b225a4c5bbd0d3100f5f21e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] df053eb2c9a99ace8a7072549b374586889213a58590f9bf886461c9c70fcc48
[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" "df053eb2c9a99ace8a7072549b374586889213a58590f9bf886461c9c70fcc48", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling httparse v1.2.2
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling typenum v1.5.2
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling state v0.2.1
[INFO] [stderr]    Compiling safemem v0.1.1
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling byte-tools v0.1.3
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.3.0
[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-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr] error: could not compile `state`
[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" "df053eb2c9a99ace8a7072549b374586889213a58590f9bf886461c9c70fcc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df053eb2c9a99ace8a7072549b374586889213a58590f9bf886461c9c70fcc48", kill_on_drop: false }`
[INFO] [stdout] df053eb2c9a99ace8a7072549b374586889213a58590f9bf886461c9c70fcc48