[INFO] fetching crate liblinux 0.2.0...
[INFO] checking liblinux-0.2.0 against beta for pr-78714
[INFO] extracting crate liblinux 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate liblinux 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liblinux 0.2.0
[INFO] finished tweaking crates.io crate liblinux 0.2.0
[INFO] tweaked toml for crates.io crate liblinux 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 28965f33b41ed5b326f3d91c48b415d26133cd6f4311b5fffdd10e1abcb18659
[INFO] running `Command { std: "docker" "start" "-a" "28965f33b41ed5b326f3d91c48b415d26133cd6f4311b5fffdd10e1abcb18659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28965f33b41ed5b326f3d91c48b415d26133cd6f4311b5fffdd10e1abcb18659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28965f33b41ed5b326f3d91c48b415d26133cd6f4311b5fffdd10e1abcb18659", kill_on_drop: false }`
[INFO] [stdout] 28965f33b41ed5b326f3d91c48b415d26133cd6f4311b5fffdd10e1abcb18659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 94246dfa771d90bef5d894bb12cf25521be7709f6b9cdd5d4cb79d78b56f16e0
[INFO] running `Command { std: "docker" "start" "-a" "94246dfa771d90bef5d894bb12cf25521be7709f6b9cdd5d4cb79d78b56f16e0", kill_on_drop: false }`
[INFO] [stderr]     Checking liblinux v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/architecture/x86_64.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 6  | |        : "={rax}" (return_value)
[INFO] [stdout] 7  | |        : "{rax}" (number)
[INFO] [stdout] 8  | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 9  | |        : "volatile"
[INFO] [stdout] 10 | |        );
[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/architecture/x86_64.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 20 | |        : "={rax}" (return_value)
[INFO] [stdout] 21 | |        : "{rax}" (number), "{rdi}" (_1)
[INFO] [stdout] 22 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 23 | |        : "volatile"
[INFO] [stdout] 24 | |        );
[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/architecture/x86_64.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 34 | |        : "={rax}" (return_value)
[INFO] [stdout] 35 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2)
[INFO] [stdout] 36 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 37 | |        : "volatile"
[INFO] [stdout] 38 | |        );
[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/architecture/x86_64.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 48 | |        : "={rax}" (return_value)
[INFO] [stdout] 49 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3)
[INFO] [stdout] 50 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 51 | |        : "volatile"
[INFO] [stdout] 52 | |        );
[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/architecture/x86_64.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 62 | |        : "={rax}" (return_value)
[INFO] [stdout] 63 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3), "{r10}" (_4)
[INFO] [stdout] 64 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 65 | |        : "volatile"
[INFO] [stdout] 66 | |        );
[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/architecture/x86_64.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 76 | |        : "={rax}" (return_value)
[INFO] [stdout] 77 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3), "{r10}" (_4), "{r8}" (_5)
[INFO] [stdout] 78 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 79 | |        : "volatile"
[INFO] [stdout] 80 | |        );
[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/architecture/x86_64.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 90 | |        : "={rax}" (return_value)
[INFO] [stdout] 91 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3), "{r10}" (_4), "{r8}" (_5), "{r9}" (_6)
[INFO] [stdout] 92 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 93 | |        : "volatile"
[INFO] [stdout] 94 | |        );
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/architecture/x86_64.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 6  | |        : "={rax}" (return_value)
[INFO] [stdout] 7  | |        : "{rax}" (number)
[INFO] [stdout] 8  | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 9  | |        : "volatile"
[INFO] [stdout] 10 | |        );
[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/architecture/x86_64.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 20 | |        : "={rax}" (return_value)
[INFO] [stdout] 21 | |        : "{rax}" (number), "{rdi}" (_1)
[INFO] [stdout] 22 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 23 | |        : "volatile"
[INFO] [stdout] 24 | |        );
[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/architecture/x86_64.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 34 | |        : "={rax}" (return_value)
[INFO] [stdout] 35 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2)
[INFO] [stdout] 36 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 37 | |        : "volatile"
[INFO] [stdout] 38 | |        );
[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/architecture/x86_64.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 48 | |        : "={rax}" (return_value)
[INFO] [stdout] 49 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3)
[INFO] [stdout] 50 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 51 | |        : "volatile"
[INFO] [stdout] 52 | |        );
[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/architecture/x86_64.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 62 | |        : "={rax}" (return_value)
[INFO] [stdout] 63 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3), "{r10}" (_4)
[INFO] [stdout] 64 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 65 | |        : "volatile"
[INFO] [stdout] 66 | |        );
[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/architecture/x86_64.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 76 | |        : "={rax}" (return_value)
[INFO] [stdout] 77 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3), "{r10}" (_4), "{r8}" (_5)
[INFO] [stdout] 78 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 79 | |        : "volatile"
[INFO] [stdout] 80 | |        );
[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/architecture/x86_64.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |       asm!("syscall"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 90 | |        : "={rax}" (return_value)
[INFO] [stdout] 91 | |        : "{rax}" (number), "{rdi}" (_1), "{rsi}" (_2), "{rdx}" (_3), "{r10}" (_4), "{r8}" (_5), "{r9}" (_6)
[INFO] [stdout] 92 | |        : "rcx", "r8", "r9", "r10" "r11", "cc", "memory"
[INFO] [stdout] 93 | |        : "volatile"
[INFO] [stdout] 94 | |        );
[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] [stderr] error: could not compile `liblinux`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[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" "94246dfa771d90bef5d894bb12cf25521be7709f6b9cdd5d4cb79d78b56f16e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94246dfa771d90bef5d894bb12cf25521be7709f6b9cdd5d4cb79d78b56f16e0", kill_on_drop: false }`
[INFO] [stdout] 94246dfa771d90bef5d894bb12cf25521be7709f6b9cdd5d4cb79d78b56f16e0