[INFO] fetching crate syscall-alt 0.0.14...
[INFO] testing syscall-alt-0.0.14 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate syscall-alt 0.0.14 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate syscall-alt 0.0.14 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70d3506f1694ec42d88d48bc174ec971cefba2875f21e4cfda99b2ef79605b49
[INFO] running `Command { std: "docker" "start" "-a" "70d3506f1694ec42d88d48bc174ec971cefba2875f21e4cfda99b2ef79605b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d3506f1694ec42d88d48bc174ec971cefba2875f21e4cfda99b2ef79605b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d3506f1694ec42d88d48bc174ec971cefba2875f21e4cfda99b2ef79605b49", kill_on_drop: false }`
[INFO] [stdout] 70d3506f1694ec42d88d48bc174ec971cefba2875f21e4cfda99b2ef79605b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99f35fd675d9d780b8e7c9b546fdd70555807c4670479efa34e81abd9ace2734
[INFO] running `Command { std: "docker" "start" "-a" "99f35fd675d9d780b8e7c9b546fdd70555807c4670479efa34e81abd9ace2734", 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: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syscall-alt` due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "99f35fd675d9d780b8e7c9b546fdd70555807c4670479efa34e81abd9ace2734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f35fd675d9d780b8e7c9b546fdd70555807c4670479efa34e81abd9ace2734", kill_on_drop: false }`
[INFO] [stdout] 99f35fd675d9d780b8e7c9b546fdd70555807c4670479efa34e81abd9ace2734