[INFO] cloning repository https://github.com/IcyDefiance/jitos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IcyDefiance/jitos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcyDefiance%2Fjitos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcyDefiance%2Fjitos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0033314cf755ee7bacf7995890dd7367b64bedf
[INFO] testing IcyDefiance/jitos against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIcyDefiance%2Fjitos" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IcyDefiance/jitos on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-51/source/.cargo/config
[INFO] removed /workspace/builds/worker-51/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/IcyDefiance/jitos
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/IcyDefiance/jitos
[INFO] tweaked toml for git repo https://github.com/IcyDefiance/jitos written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/IcyDefiance/jitos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60491a26a9700bd3ac916843b7f47d0c3be951fc456b8a0c42e0d6df403c00f0
[INFO] running `Command { std: "docker" "start" "-a" "60491a26a9700bd3ac916843b7f47d0c3be951fc456b8a0c42e0d6df403c00f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60491a26a9700bd3ac916843b7f47d0c3be951fc456b8a0c42e0d6df403c00f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60491a26a9700bd3ac916843b7f47d0c3be951fc456b8a0c42e0d6df403c00f0", kill_on_drop: false }`
[INFO] [stdout] 60491a26a9700bd3ac916843b7f47d0c3be951fc456b8a0c42e0d6df403c00f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7de0651837a7e6835a39b3b758f7b3d31e4bb53dbd47a8a7f30f1cccce8bfaa
[INFO] running `Command { std: "docker" "start" "-a" "b7de0651837a7e6835a39b3b758f7b3d31e4bb53dbd47a8a7f30f1cccce8bfaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling x86_64 v0.11.2
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling bootloader v0.9.8
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cpuio v0.3.0
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling bit_field v0.10.0
[INFO] [stderr]    Compiling jitos-wasi v0.1.0 (/opt/rustwide/workdir/lib/wasi)
[INFO] [stderr]    Compiling volatile v0.2.6
[INFO] [stderr]    Compiling pc-keyboard v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.3.0/src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm, const_fn)]
[INFO] [stdout]   |                      ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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/cpuio-0.3.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm, const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpuio`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b7de0651837a7e6835a39b3b758f7b3d31e4bb53dbd47a8a7f30f1cccce8bfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7de0651837a7e6835a39b3b758f7b3d31e4bb53dbd47a8a7f30f1cccce8bfaa", kill_on_drop: false }`
[INFO] [stdout] b7de0651837a7e6835a39b3b758f7b3d31e4bb53dbd47a8a7f30f1cccce8bfaa
