[INFO] cloning repository https://github.com/erick-dsnk/FlowOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erick-dsnk/FlowOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferick-dsnk%2FFlowOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferick-dsnk%2FFlowOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fa73eeb84bc8ef5d444f7db20ce8422c0ce72e7
[INFO] testing erick-dsnk/FlowOS against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferick-dsnk%2FFlowOS" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erick-dsnk/FlowOS on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erick-dsnk/FlowOS
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/erick-dsnk/FlowOS
[INFO] tweaked toml for git repo https://github.com/erick-dsnk/FlowOS written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/erick-dsnk/FlowOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.10
[INFO] [stderr]   Downloaded bootloader v0.9.11
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded x86_64 v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5e09bccf8eb7c0ecbba2fd3784d5e33087350cfe4ce5ba13d200afdff45f5d
[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" "9b5e09bccf8eb7c0ecbba2fd3784d5e33087350cfe4ce5ba13d200afdff45f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5e09bccf8eb7c0ecbba2fd3784d5e33087350cfe4ce5ba13d200afdff45f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5e09bccf8eb7c0ecbba2fd3784d5e33087350cfe4ce5ba13d200afdff45f5d", kill_on_drop: false }`
[INFO] [stdout] 9b5e09bccf8eb7c0ecbba2fd3784d5e33087350cfe4ce5ba13d200afdff45f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c65c8bccbc2e8d60c0abf2914a0b4e029fbb1e25b12ec84e5bcd75f2cddc28
[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" "48c65c8bccbc2e8d60c0abf2914a0b4e029fbb1e25b12ec84e5bcd75f2cddc28", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.12.2
[INFO] [stderr]    Compiling bootloader v0.9.11
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling cpuio v0.3.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `x86_64-flow_os-15512291070171371980` target may not be installed
[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 E0463`.
[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] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `x86_64-flow_os-15512291070171371980` target may not be installed
[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 E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `x86_64-flow_os-15512291070171371980` target may not be installed
[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 E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `x86_64-flow_os-15512291070171371980` target may not be installed
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "48c65c8bccbc2e8d60c0abf2914a0b4e029fbb1e25b12ec84e5bcd75f2cddc28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c65c8bccbc2e8d60c0abf2914a0b4e029fbb1e25b12ec84e5bcd75f2cddc28", kill_on_drop: false }`
[INFO] [stdout] 48c65c8bccbc2e8d60c0abf2914a0b4e029fbb1e25b12ec84e5bcd75f2cddc28