[INFO] cloning repository https://github.com/vdbe/radio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vdbe/radio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvdbe%2Fradio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvdbe%2Fradio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e99a981d80926ffc41e1482af34a4d23159d594
[INFO] testing vdbe/radio against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvdbe%2Fradio" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vdbe/radio on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vdbe/radio
[INFO] finished tweaking git repo https://github.com/vdbe/radio
[INFO] tweaked toml for git repo https://github.com/vdbe/radio written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/vdbe/radio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5474c45be1b563a783a98ac5e7ebbe3afe17682f985f6ce8aa61f8c2e41f67f2
[INFO] running `Command { std: "docker" "start" "-a" "5474c45be1b563a783a98ac5e7ebbe3afe17682f985f6ce8aa61f8c2e41f67f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5474c45be1b563a783a98ac5e7ebbe3afe17682f985f6ce8aa61f8c2e41f67f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5474c45be1b563a783a98ac5e7ebbe3afe17682f985f6ce8aa61f8c2e41f67f2", kill_on_drop: false }`
[INFO] [stdout] 5474c45be1b563a783a98ac5e7ebbe3afe17682f985f6ce8aa61f8c2e41f67f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b2a5b8c12aec0b2bb77e2bc2b8ba90e78fd491b89755eaa568471f2ec1c7c1
[INFO] running `Command { std: "docker" "start" "-a" "42b2a5b8c12aec0b2bb77e2bc2b8ba90e78fd491b89755eaa568471f2ec1c7c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling fsapi v0.1.0 (/opt/rustwide/workdir/fsapi)
[INFO] [stderr]    Compiling radio v0.1.0 (/opt/rustwide/workdir/radio)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> radio/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[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: could not compile `radio` 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" "42b2a5b8c12aec0b2bb77e2bc2b8ba90e78fd491b89755eaa568471f2ec1c7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b2a5b8c12aec0b2bb77e2bc2b8ba90e78fd491b89755eaa568471f2ec1c7c1", kill_on_drop: false }`
[INFO] [stdout] 42b2a5b8c12aec0b2bb77e2bc2b8ba90e78fd491b89755eaa568471f2ec1c7c1