[INFO] cloning repository https://github.com/enarx/enarx-keepldr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enarx/enarx-keepldr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenarx%2Fenarx-keepldr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenarx%2Fenarx-keepldr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4efae82d207550099dc8253764acc734c10d0d9a
[INFO] checking enarx/enarx-keepldr against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenarx%2Fenarx-keepldr" "/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/enarx/enarx-keepldr on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/enarx/enarx-keepldr
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/enarx/enarx-keepldr
[INFO] tweaked toml for git repo https://github.com/enarx/enarx-keepldr written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/enarx/enarx-keepldr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1f5a72a44c7206542eeec8a00b6eeda549ca2a203ebc70026cb7623c4a3fc7d
[INFO] running `Command { std: "docker" "start" "-a" "e1f5a72a44c7206542eeec8a00b6eeda549ca2a203ebc70026cb7623c4a3fc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1f5a72a44c7206542eeec8a00b6eeda549ca2a203ebc70026cb7623c4a3fc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f5a72a44c7206542eeec8a00b6eeda549ca2a203ebc70026cb7623c4a3fc7d", kill_on_drop: false }`
[INFO] [stdout] e1f5a72a44c7206542eeec8a00b6eeda549ca2a203ebc70026cb7623c4a3fc7d
[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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd032cb50a678b3dcf751b69f116db238e67a4bf9cab5b7a73ae35fc3943de5c
[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" "cd032cb50a678b3dcf751b69f116db238e67a4bf9cab5b7a73ae35fc3943de5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling x86_64 v0.14.6
[INFO] [stderr]    Compiling primordial v0.3.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling sgx v0.1.0 (https://github.com/enarx/sgx?rev=57df3753a0ea1777963dbf3023452993df2edb8c#57df3753)
[INFO] [stderr]     Checking crt0stack v0.1.0
[INFO] [stderr]     Checking nbytes v0.1.0
[INFO] [stderr]     Checking lset v0.2.0
[INFO] [stderr]     Checking iocuddle v0.1.1
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]     Checking vmm-sys-util v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mmarinus v0.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking process_control v3.1.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling const-default-derive v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking kvm-bindings v0.5.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking kvm-ioctls v0.10.0
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking const-default v0.2.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking xsave v1.0.0
[INFO] [stderr]    Compiling goblin v0.4.3
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]    Compiling protobuf-codegen v2.25.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.25.1
[INFO] [stderr]     Checking vdso v0.1.0
[INFO] [stderr]     Checking sallyport v0.1.0 (https://github.com/enarx/sallyport?rev=a567a22665c7e5ba88a8c4acd64ab43ee32b4681#a567a226)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/sallyport-87d2f89630049c63/a567a22/src/lib.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 | #![cfg_attr(feature = "asm", feature(asm))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sallyport` 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" "cd032cb50a678b3dcf751b69f116db238e67a4bf9cab5b7a73ae35fc3943de5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd032cb50a678b3dcf751b69f116db238e67a4bf9cab5b7a73ae35fc3943de5c", kill_on_drop: false }`
[INFO] [stdout] cd032cb50a678b3dcf751b69f116db238e67a4bf9cab5b7a73ae35fc3943de5c
