[INFO] cloning repository https://github.com/nschoellhorn/bmos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nschoellhorn/bmos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnschoellhorn%2Fbmos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnschoellhorn%2Fbmos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d9f453a31fd98cbb9b2c6818dc43ada17a53c24
[INFO] checking nschoellhorn/bmos against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnschoellhorn%2Fbmos" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nschoellhorn/bmos on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nschoellhorn/bmos
[INFO] finished tweaking git repo https://github.com/nschoellhorn/bmos
[INFO] tweaked toml for git repo https://github.com/nschoellhorn/bmos written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nschoellhorn/bmos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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://github.com/nschoellhorn/psf.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded lock_api v0.4.3
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded hashbrown v0.11.2
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded spinning_top v0.1.1
[INFO] [stderr]   Downloaded bit_field v0.9.0
[INFO] [stderr]   Downloaded bootloader-locator v0.0.4
[INFO] [stderr]   Downloaded linked_list_allocator v0.8.11
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded nom v6.1.2
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded ahash v0.7.2
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded x86_64 v0.13.6
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded spin v0.9.0
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded uart_16550 v0.2.12
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded cpuio v0.3.0
[INFO] [stderr]   Downloaded pic8259_simple v0.2.0
[INFO] [stderr]   Downloaded x86_64 v0.14.0
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded bootloader v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7db649ecf32214456c4786ee9d433f5e8f1754b66dd02660c85b580291073a2
[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" "c7db649ecf32214456c4786ee9d433f5e8f1754b66dd02660c85b580291073a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7db649ecf32214456c4786ee9d433f5e8f1754b66dd02660c85b580291073a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7db649ecf32214456c4786ee9d433f5e8f1754b66dd02660c85b580291073a2", kill_on_drop: false }`
[INFO] [stdout] c7db649ecf32214456c4786ee9d433f5e8f1754b66dd02660c85b580291073a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9cdd4c8b17f94744a23d2775fd15e2dde7a3d64ce94efdb4098fe74f216e12
[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" "9b9cdd4c8b17f94744a23d2775fd15e2dde7a3d64ce94efdb4098fe74f216e12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling x86_64 v0.13.6
[INFO] [stderr]     Checking bmos-std v0.1.0 (/opt/rustwide/workdir/bmos-std)
[INFO] [stderr]    Compiling bootloader v0.10.1
[INFO] [stderr]    Compiling x86_64 v0.14.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking cpuio v0.3.0
[INFO] [stderr]     Checking psf v0.2.0 (https://github.com/nschoellhorn/psf.git?branch=feature/nostd#6c0e0f02)
[INFO] [stderr]     Checking rlibc v1.0.0
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpuio` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9b9cdd4c8b17f94744a23d2775fd15e2dde7a3d64ce94efdb4098fe74f216e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9cdd4c8b17f94744a23d2775fd15e2dde7a3d64ce94efdb4098fe74f216e12", kill_on_drop: false }`
[INFO] [stdout] 9b9cdd4c8b17f94744a23d2775fd15e2dde7a3d64ce94efdb4098fe74f216e12