[INFO] cloning repository https://github.com/redox-os/redoxer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/redoxer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fredoxer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fredoxer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4e7232f9b9ddba9e8d5b383e76121d1899def96
[INFO] testing redox-os/redoxer 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%2Fredox-os%2Fredoxer" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/redoxer 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/redox-os/redoxer
[INFO] finished tweaking git repo https://github.com/redox-os/redoxer
[INFO] tweaked toml for git repo https://github.com/redox-os/redoxer written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/redoxer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded pbr v1.0.4
[INFO] [stderr]   Downloaded tar v0.4.35
[INFO] [stderr]   Downloaded hyper-rustls v0.6.2
[INFO] [stderr]   Downloaded partition-identity v0.2.8
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded object v0.26.0
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded proc-mounts v0.2.4
[INFO] [stderr]   Downloaded gimli v0.25.0
[INFO] [stderr]   Downloaded backtrace v0.3.61
[INFO] [stderr]   Downloaded pkgar v0.1.6
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded redoxfs v0.4.3
[INFO] [stderr]   Downloaded arg_parser v0.1.0
[INFO] [stderr]   Downloaded blake3 v0.2.3
[INFO] [stderr]   Downloaded bidir-map v0.6.0
[INFO] [stderr]   Downloaded index-fixed v0.3.1
[INFO] [stderr]   Downloaded webpki-roots v0.15.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.1
[INFO] [stderr]   Downloaded rustls v0.13.1
[INFO] [stderr]   Downloaded ring v0.13.5
[INFO] [stderr]   Downloaded webpki v0.18.1
[INFO] [stderr]   Downloaded addr2line v0.16.0
[INFO] [stderr]   Downloaded sodalite v0.3.0
[INFO] [stderr]   Downloaded sct v0.4.0
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded redox_pkgutils v0.1.6
[INFO] [stderr]   Downloaded redox_installer v0.2.7
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] b4256a4149681c08544b0fb7f3ff480ec2f4123856a8459b85491d37473bf3a3
[INFO] running `Command { std: "docker" "start" "-a" "b4256a4149681c08544b0fb7f3ff480ec2f4123856a8459b85491d37473bf3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4256a4149681c08544b0fb7f3ff480ec2f4123856a8459b85491d37473bf3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4256a4149681c08544b0fb7f3ff480ec2f4123856a8459b85491d37473bf3a3", kill_on_drop: false }`
[INFO] [stdout] b4256a4149681c08544b0fb7f3ff480ec2f4123856a8459b85491d37473bf3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] d255fc9cfd16290af065d99b1be8316649d686742523d0e9373c3f8c8c34fa19
[INFO] running `Command { std: "docker" "start" "-a" "d255fc9cfd16290af065d99b1be8316649d686742523d0e9373c3f8c8c34fa19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling index-fixed v0.3.1
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling redox_pkgutils v0.1.6
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bidir-map v0.6.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling arg_parser v0.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling redox_syscall v0.2.9
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[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/redox_syscall-0.2.9/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/redox_syscall-0.2.9/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redox_syscall` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d255fc9cfd16290af065d99b1be8316649d686742523d0e9373c3f8c8c34fa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d255fc9cfd16290af065d99b1be8316649d686742523d0e9373c3f8c8c34fa19", kill_on_drop: false }`
[INFO] [stdout] d255fc9cfd16290af065d99b1be8316649d686742523d0e9373c3f8c8c34fa19
