[INFO] cloning repository https://github.com/redox-os/installer
[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/installer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Finstaller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Finstaller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84856f459dccbc86a6490904e571389de72bf4c4
[INFO] testing redox-os/installer against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Finstaller" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/installer on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/installer
[INFO] finished tweaking git repo https://github.com/redox-os/installer
[INFO] tweaked toml for git repo https://github.com/redox-os/installer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/installer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/redoxfs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a18202e602c0f464039e54e99ca33ede49e1e57a783295331533adcd42dc019
[INFO] running `Command { std: "docker" "start" "-a" "2a18202e602c0f464039e54e99ca33ede49e1e57a783295331533adcd42dc019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a18202e602c0f464039e54e99ca33ede49e1e57a783295331533adcd42dc019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a18202e602c0f464039e54e99ca33ede49e1e57a783295331533adcd42dc019", kill_on_drop: false }`
[INFO] [stdout] 2a18202e602c0f464039e54e99ca33ede49e1e57a783295331533adcd42dc019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d402d8172a693b533a9e3a9212c12253a0eafef9c0fc8cf57fb2000fab208eec
[INFO] running `Command { std: "docker" "start" "-a" "d402d8172a693b533a9e3a9212c12253a0eafef9c0fc8cf57fb2000fab208eec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling redox_pkgutils v0.1.6
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling index-fixed v0.3.1
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling bidir-map v0.6.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling arg_parser v0.1.0
[INFO] [stderr]    Compiling ring v0.13.5 (https://gitlab.redox-os.org/redox-os/ring.git?branch=redox-unix-0.13.5#c7de589d)
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling blake3 v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling redox_syscall v0.2.10
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling sodalite v0.3.0
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling base64 v0.9.3
[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-0.2.10/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-0.2.10/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mime v0.2.6
[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" "d402d8172a693b533a9e3a9212c12253a0eafef9c0fc8cf57fb2000fab208eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d402d8172a693b533a9e3a9212c12253a0eafef9c0fc8cf57fb2000fab208eec", kill_on_drop: false }`
[INFO] [stdout] d402d8172a693b533a9e3a9212c12253a0eafef9c0fc8cf57fb2000fab208eec