[INFO] fetching crate moros 0.6.0...
[INFO] testing moros-0.6.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate moros 0.6.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate moros 0.6.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-41/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-41/source/rust-toolchain
[INFO] started tweaking crates.io crate moros 0.6.0
[INFO] finished tweaking crates.io crate moros 0.6.0
[INFO] tweaked toml for crates.io crate moros 0.6.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate moros 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed387e36cee2c75e03f003f9e4b0d1cff874944bfbd055172b23a4991a09e77d
[INFO] running `Command { std: "docker" "start" "-a" "ed387e36cee2c75e03f003f9e4b0d1cff874944bfbd055172b23a4991a09e77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed387e36cee2c75e03f003f9e4b0d1cff874944bfbd055172b23a4991a09e77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed387e36cee2c75e03f003f9e4b0d1cff874944bfbd055172b23a4991a09e77d", kill_on_drop: false }`
[INFO] [stdout] ed387e36cee2c75e03f003f9e4b0d1cff874944bfbd055172b23a4991a09e77d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a2a4b9d7e48096e0f4340fb21509d7faf3dea19dfdd527d9e477404d21e78a4
[INFO] running `Command { std: "docker" "start" "-a" "7a2a4b9d7e48096e0f4340fb21509d7faf3dea19dfdd527d9e477404d21e78a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling x86_64 v0.14.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling managed v0.7.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling array-macro v2.1.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rsdp v2.0.0
[INFO] [stderr]    Compiling raw-cpuid v10.2.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling acpi v3.1.0
[INFO] [stderr]    Compiling aml v0.14.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling smoltcp v0.7.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling linked_list_allocator v0.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling littlewing v0.7.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling uart_16550 v0.2.15
[INFO] [stderr]    Compiling pic8259 v0.10.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling moros v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: sym operands for inline assembly are unstable
[INFO] [stdout]    --> src/sys/idt.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 sym $fn,
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 | wrap!(syscall_handler => wrapped_syscall_handler);
[INFO] [stdout]     | ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #72016 <https://github.com/rust-lang/rust/issues/72016> for more information
[INFO] [stdout]     = help: add `#![feature(asm_sym)]` to the crate attributes to enable
[INFO] [stdout]     = note: this error originates in the macro `wrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moros` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7a2a4b9d7e48096e0f4340fb21509d7faf3dea19dfdd527d9e477404d21e78a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2a4b9d7e48096e0f4340fb21509d7faf3dea19dfdd527d9e477404d21e78a4", kill_on_drop: false }`
[INFO] [stdout] 7a2a4b9d7e48096e0f4340fb21509d7faf3dea19dfdd527d9e477404d21e78a4