[INFO] cloning repository https://github.com/loganmhb/rstatsd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loganmhb/rstatsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floganmhb%2Frstatsd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floganmhb%2Frstatsd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3eeaea6b3293316fa475e628010fc5e3ace1b5ca
[INFO] testing loganmhb/rstatsd 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%2Floganmhb%2Frstatsd" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loganmhb/rstatsd 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] started tweaking git repo https://github.com/loganmhb/rstatsd
[INFO] finished tweaking git repo https://github.com/loganmhb/rstatsd
[INFO] tweaked toml for git repo https://github.com/loganmhb/rstatsd written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/loganmhb/rstatsd 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] b2552aa2eea6d2b82c6d467b7dc065c9c4b0a6049083f9b88b4d95a8f4b8187e
[INFO] running `Command { std: "docker" "start" "-a" "b2552aa2eea6d2b82c6d467b7dc065c9c4b0a6049083f9b88b4d95a8f4b8187e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2552aa2eea6d2b82c6d467b7dc065c9c4b0a6049083f9b88b4d95a8f4b8187e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2552aa2eea6d2b82c6d467b7dc065c9c4b0a6049083f9b88b4d95a8f4b8187e", kill_on_drop: false }`
[INFO] [stdout] b2552aa2eea6d2b82c6d467b7dc065c9c4b0a6049083f9b88b4d95a8f4b8187e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 8131e60701b249b695d70b155498ae54c92dc21d3c4b703f5523264e5c6c14df
[INFO] running `Command { std: "docker" "start" "-a" "8131e60701b249b695d70b155498ae54c92dc21d3c4b703f5523264e5c6c14df", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstatsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[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: could not compile `rstatsd` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8131e60701b249b695d70b155498ae54c92dc21d3c4b703f5523264e5c6c14df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8131e60701b249b695d70b155498ae54c92dc21d3c4b703f5523264e5c6c14df", kill_on_drop: false }`
[INFO] [stdout] 8131e60701b249b695d70b155498ae54c92dc21d3c4b703f5523264e5c6c14df
