[INFO] cloning repository https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vlad-Shcherbina/rusty_sand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlad-Shcherbina%2Frusty_sand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlad-Shcherbina%2Frusty_sand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26c085a38477022be627a28d81c6f2caa04ace8c
[INFO] documenting Vlad-Shcherbina/rusty_sand against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVlad-Shcherbina%2Frusty_sand" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vlad-Shcherbina/rusty_sand on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] finished tweaking git repo https://github.com/Vlad-Shcherbina/rusty_sand
[INFO] tweaked toml for git repo https://github.com/Vlad-Shcherbina/rusty_sand written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Vlad-Shcherbina/rusty_sand already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 908fe612261d165bbc6dc56d34b5e075ba787a409478fea3a814892b6409425a
[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" "908fe612261d165bbc6dc56d34b5e075ba787a409478fea3a814892b6409425a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908fe612261d165bbc6dc56d34b5e075ba787a409478fea3a814892b6409425a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908fe612261d165bbc6dc56d34b5e075ba787a409478fea3a814892b6409425a", kill_on_drop: false }`
[INFO] [stdout] 908fe612261d165bbc6dc56d34b5e075ba787a409478fea3a814892b6409425a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cacc0c20b453897abd38fff245b99618312bb05726bea7e8ba98abf86e0e2da
[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" "8cacc0c20b453897abd38fff245b99618312bb05726bea7e8ba98abf86e0e2da", kill_on_drop: false }`
[INFO] [stderr]     Checking amd64_gen v0.1.0 (/opt/rustwide/workdir/amd64_gen)
[INFO] [stderr]  Documenting amd64_gen v0.1.0 (/opt/rustwide/workdir/amd64_gen)
[INFO] [stderr]     Checking exe_buf v0.1.0 (/opt/rustwide/workdir/exe_buf)
[INFO] [stderr]  Documenting exe_buf v0.1.0 (/opt/rustwide/workdir/exe_buf)
[INFO] [stderr]  Documenting binutils v0.1.0 (/opt/rustwide/workdir/binutils)
[INFO] [stderr]     Checking rusty_sand v0.1.0 (/opt/rustwide/workdir/rusty_sand)
[INFO] [stderr]  Documenting rusty_sand v0.1.0 (/opt/rustwide/workdir/rusty_sand)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_fill)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rusty_sand`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rusty_sand rusty_sand/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern amd64_gen=/opt/rustwide/target/debug/deps/libamd64_gen-779b9b7e9841da2f.rmeta --extern exe_buf=/opt/rustwide/target/debug/deps/libexe_buf-e44d562af27ff391.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-e89337128da412e0.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rusty_sand/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_fill)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust ABI is unsupported in naked functions
[INFO] [stdout]   --> rusty_sand/src/jit.rs:91:11
[INFO] [stdout]    |
[INFO] [stdout] 91 | unsafe fn jit_trampoline() {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unsupported_naked_functions)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #32408 <https://github.com/rust-lang/rust/issues/32408>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: asm in naked functions must use `noreturn` option
[INFO] [stdout]    --> rusty_sand/src/jit.rs:92:5
[INFO] [stdout]     |
[INFO] [stdout] 92  | /     asm!("
[INFO] [stdout] 93  | |     // push all win64 volatile registers
[INFO] [stdout] 94  | |     push rax
[INFO] [stdout] 95  | |     //push rcx
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |     compile = sym State::compile
[INFO] [stdout] 121 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #32408 <https://github.com/rust-lang/rust/issues/32408>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8cacc0c20b453897abd38fff245b99618312bb05726bea7e8ba98abf86e0e2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cacc0c20b453897abd38fff245b99618312bb05726bea7e8ba98abf86e0e2da", kill_on_drop: false }`
[INFO] [stdout] 8cacc0c20b453897abd38fff245b99618312bb05726bea7e8ba98abf86e0e2da
