[INFO] cloning repository https://github.com/redox-os/extrautils
[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/extrautils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fextrautils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fextrautils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9abf681a9bd5079baeafb8f4b9cfd7820f8d6025
[INFO] testing redox-os/extrautils against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fextrautils" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/extrautils on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/extrautils
[INFO] finished tweaking git repo https://github.com/redox-os/extrautils
[INFO] tweaked toml for git repo https://github.com/redox-os/extrautils written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/extrautils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d23997fe612315d654fed4e1bc844ebb88bf1d65d3e8987106b06499e95e4559
[INFO] running `Command { std: "docker" "start" "-a" "d23997fe612315d654fed4e1bc844ebb88bf1d65d3e8987106b06499e95e4559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d23997fe612315d654fed4e1bc844ebb88bf1d65d3e8987106b06499e95e4559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23997fe612315d654fed4e1bc844ebb88bf1d65d3e8987106b06499e95e4559", kill_on_drop: false }`
[INFO] [stdout] d23997fe612315d654fed4e1bc844ebb88bf1d65d3e8987106b06499e95e4559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 287106895a612daa9ba2d577feb9949e0d2cf73ba0d183724975b29a8c80a47d
[INFO] running `Command { std: "docker" "start" "-a" "287106895a612daa9ba2d577feb9949e0d2cf73ba0d183724975b29a8c80a47d", 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] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling arg_parser v0.1.0 (https://gitlab.redox-os.org/redox-os/arg-parser.git#1c434b55)
[INFO] [stderr]    Compiling extra v0.1.0 (https://gitlab.redox-os.org/redox-os/libextra.git#cf213969)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rust-lzma v0.5.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling redox_syscall v0.2.9
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling raw-cpuid v8.1.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling termion v1.5.6 (https://gitlab.redox-os.org/redox-os/termion.git#dce5e750)
[INFO] [stderr]    Compiling filetime v0.2.14 (https://gitlab.redox-os.org/redox-os/filetime.git?branch=redox#5bcbaaed)
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.2.9/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.2.9/src/lib.rs:2:12
[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" "287106895a612daa9ba2d577feb9949e0d2cf73ba0d183724975b29a8c80a47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287106895a612daa9ba2d577feb9949e0d2cf73ba0d183724975b29a8c80a47d", kill_on_drop: false }`
[INFO] [stdout] 287106895a612daa9ba2d577feb9949e0d2cf73ba0d183724975b29a8c80a47d