[INFO] fetching crate syscall-alt 0.0.14...
[INFO] testing syscall-alt-0.0.14 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate syscall-alt 0.0.14 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate syscall-alt 0.0.14 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syscall-alt 0.0.14
[INFO] finished tweaking crates.io crate syscall-alt 0.0.14
[INFO] tweaked toml for crates.io crate syscall-alt 0.0.14 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0117921a18782a292f509bdd1e9eefb4408e8f44fb8c8900e3e6285714f6d0c
[INFO] running `Command { std: "docker" "start" "-a" "d0117921a18782a292f509bdd1e9eefb4408e8f44fb8c8900e3e6285714f6d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0117921a18782a292f509bdd1e9eefb4408e8f44fb8c8900e3e6285714f6d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0117921a18782a292f509bdd1e9eefb4408e8f44fb8c8900e3e6285714f6d0c", kill_on_drop: false }`
[INFO] [stdout] d0117921a18782a292f509bdd1e9eefb4408e8f44fb8c8900e3e6285714f6d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c7faa530fbf0e13f0345b9a7cbcc2035974b409f051a85b41345a314a748b5
[INFO] running `Command { std: "docker" "start" "-a" "08c7faa530fbf0e13f0345b9a7cbcc2035974b409f051a85b41345a314a748b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syscall-alt v0.0.14 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls/linux_like/x86_64/syscall0.rs:9:2
[INFO] [stdout]    |
[INFO] [stdout] 9  |       asm!
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |     (
[INFO] [stdout] 11 | |         "syscall"
[INFO] [stdout] 12 | |         : "={rax}"(result)
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         : "volatile"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls/linux_like/x86_64/syscall1.rs:9:2
[INFO] [stdout]    |
[INFO] [stdout] 9  |       asm!
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |     (
[INFO] [stdout] 11 | |         "syscall"
[INFO] [stdout] 12 | |         : "={rax}"(result)
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         : "volatile"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls/linux_like/x86_64/syscall2.rs:9:2
[INFO] [stdout]    |
[INFO] [stdout] 9  |       asm!
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |     (
[INFO] [stdout] 11 | |         "syscall"
[INFO] [stdout] 12 | |         : "={rax}"(result)
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         : "volatile"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls/linux_like/x86_64/syscall3.rs:9:2
[INFO] [stdout]    |
[INFO] [stdout] 9  |       asm!
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |     (
[INFO] [stdout] 11 | |         "syscall"
[INFO] [stdout] 12 | |         : "={rax}"(result)
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         : "volatile"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls/linux_like/x86_64/syscall4.rs:9:2
[INFO] [stdout]    |
[INFO] [stdout] 9  |       asm!
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |     (
[INFO] [stdout] 11 | |         "syscall"
[INFO] [stdout] 12 | |         : "={rax}"(result)
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         : "volatile"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls/linux_like/x86_64/syscall5.rs:9:2
[INFO] [stdout]    |
[INFO] [stdout] 9  |       asm!
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |     (
[INFO] [stdout] 11 | |         "syscall"
[INFO] [stdout] 12 | |         : "={rax}"(result)
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         : "volatile"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/syscalls/linux_like/x86_64/syscall6.rs:9:2
[INFO] [stdout]    |
[INFO] [stdout] 9  |       asm!
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |     (
[INFO] [stdout] 11 | |         "syscall"
[INFO] [stdout] 12 | |         : "={rax}"(result)
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         : "volatile"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(associated_consts)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syscall-alt` due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "08c7faa530fbf0e13f0345b9a7cbcc2035974b409f051a85b41345a314a748b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c7faa530fbf0e13f0345b9a7cbcc2035974b409f051a85b41345a314a748b5", kill_on_drop: false }`
[INFO] [stdout] 08c7faa530fbf0e13f0345b9a7cbcc2035974b409f051a85b41345a314a748b5
