[INFO] fetching crate enarx-shim-kvm 0.6.3...
[INFO] testing enarx-shim-kvm-0.6.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate enarx-shim-kvm 0.6.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate enarx-shim-kvm 0.6.3
[INFO] finished tweaking crates.io crate enarx-shim-kvm 0.6.3
[INFO] tweaked toml for crates.io crate enarx-shim-kvm 0.6.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enarx-shim-kvm 0.6.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate enarx-shim-kvm 0.6.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded const-default-derive v0.2.0
[INFO] [stderr]   Downloaded xsave v2.0.2
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded proc-macro-crate v1.2.1
[INFO] [stderr]   Downloaded const-default v1.0.0
[INFO] [stderr]   Downloaded rustversion v1.0.9
[INFO] [stderr]   Downloaded array-const-fn-init v0.1.1
[INFO] [stderr]   Downloaded nbytes v0.1.0
[INFO] [stderr]   Downloaded volatile v0.4.5
[INFO] [stderr]   Downloaded testaso v0.1.0
[INFO] [stderr]   Downloaded noted v1.0.0
[INFO] [stderr]   Downloaded spinning v0.1.0
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded ctr v0.9.1
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded lset v0.3.0
[INFO] [stderr]   Downloaded x86_64 v0.14.10
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.1
[INFO] [stderr]   Downloaded sallyport v0.6.3
[INFO] [stderr]   Downloaded rcrt1 v2.4.0
[INFO] [stderr]   Downloaded gdbstub v0.5.0
[INFO] [stderr]   Downloaded aes v0.8.1
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded goblin v0.5.3
[INFO] [stderr]   Downloaded ghash v0.5.0
[INFO] [stderr]   Downloaded gdbstub_arch v0.1.1
[INFO] [stderr]   Downloaded primordial v0.5.0
[INFO] [stderr]   Downloaded crt0stack v0.1.0
[INFO] [stderr]   Downloaded paste v1.0.8
[INFO] [stderr]   Downloaded scroll v0.11.0
[INFO] [stderr]   Downloaded aead v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdd16fe542d08668ed4a04487c011e478c889d7c4cb76846e9bff11e8268420f
[INFO] running `Command { std: "docker" "start" "-a" "cdd16fe542d08668ed4a04487c011e478c889d7c4cb76846e9bff11e8268420f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd16fe542d08668ed4a04487c011e478c889d7c4cb76846e9bff11e8268420f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd16fe542d08668ed4a04487c011e478c889d7c4cb76846e9bff11e8268420f", kill_on_drop: false }`
[INFO] [stdout] cdd16fe542d08668ed4a04487c011e478c889d7c4cb76846e9bff11e8268420f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1d4974ccdae2c5573ff725419b3289472c3988e0ca94a1259dbce7f40376ab4
[INFO] running `Command { std: "docker" "start" "-a" "b1d4974ccdae2c5573ff725419b3289472c3988e0ca94a1259dbce7f40376ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling scroll v0.11.0
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling volatile v0.4.5
[INFO] [stderr]    Compiling enarx-shim-kvm v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling nbytes v0.1.0
[INFO] [stderr]    Compiling crt0stack v0.1.0
[INFO] [stderr]    Compiling noted v1.0.0
[INFO] [stderr]    Compiling primordial v0.5.0
[INFO] [stderr]    Compiling array-const-fn-init v0.1.1
[INFO] [stderr]    Compiling linked_list_allocator v0.10.1
[INFO] [stderr]    Compiling lset v0.3.0
[INFO] [stderr]    Compiling goblin v0.5.3
[INFO] [stderr]    Compiling spinning v0.1.0
[INFO] [stderr]    Compiling sallyport v0.6.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sallyport-0.6.3/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(c_size_t)]
[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/index.crates.io-1949cf8c6b5b557f/sallyport-0.6.3/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(nonnull_slice_from_raw_parts)]
[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/index.crates.io-1949cf8c6b5b557f/sallyport-0.6.3/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(slice_ptr_get)]
[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/index.crates.io-1949cf8c6b5b557f/sallyport-0.6.3/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(slice_ptr_len)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling x86_64 v0.14.10
[INFO] [stderr]    Compiling rcrt1 v2.4.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sallyport` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1d4974ccdae2c5573ff725419b3289472c3988e0ca94a1259dbce7f40376ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d4974ccdae2c5573ff725419b3289472c3988e0ca94a1259dbce7f40376ab4", kill_on_drop: false }`
[INFO] [stdout] b1d4974ccdae2c5573ff725419b3289472c3988e0ca94a1259dbce7f40376ab4