[INFO] cloning repository https://github.com/apertus-open-source-cinema/ft60x-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apertus-open-source-cinema/ft60x-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapertus-open-source-cinema%2Fft60x-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapertus-open-source-cinema%2Fft60x-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89a63f697b22baad1a3de2cf44a8f48c61f1d9b5
[INFO] checking apertus-open-source-cinema/ft60x-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapertus-open-source-cinema%2Fft60x-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apertus-open-source-cinema/ft60x-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apertus-open-source-cinema/ft60x-rs
[INFO] finished tweaking git repo https://github.com/apertus-open-source-cinema/ft60x-rs
[INFO] tweaked toml for git repo https://github.com/apertus-open-source-cinema/ft60x-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/apertus-open-source-cinema/ft60x-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b536781ec04134fcbbf4c726a6ebcbde561a5d9cc170ef76e8fd444d21b023a
[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" "9b536781ec04134fcbbf4c726a6ebcbde561a5d9cc170ef76e8fd444d21b023a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b536781ec04134fcbbf4c726a6ebcbde561a5d9cc170ef76e8fd444d21b023a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b536781ec04134fcbbf4c726a6ebcbde561a5d9cc170ef76e8fd444d21b023a", kill_on_drop: false }`
[INFO] [stdout] 9b536781ec04134fcbbf4c726a6ebcbde561a5d9cc170ef76e8fd444d21b023a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf239ccd322bc2037817a6e5e34a58df268c236f05cd2937ccb22521b28556d
[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" "dbf239ccd322bc2037817a6e5e34a58df268c236f05cd2937ccb22521b28556d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]     Checking rusb v0.4.0 (https://github.com/apertus-open-source-cinema/rusb?rev=async#87426267)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ft60x 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(get_mut_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(get_mut_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ft60x`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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: 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" "dbf239ccd322bc2037817a6e5e34a58df268c236f05cd2937ccb22521b28556d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf239ccd322bc2037817a6e5e34a58df268c236f05cd2937ccb22521b28556d", kill_on_drop: false }`
[INFO] [stdout] dbf239ccd322bc2037817a6e5e34a58df268c236f05cd2937ccb22521b28556d