[INFO] fetching crate ayaya 2.0.0...
[INFO] testing ayaya-2.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ayaya 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ayaya 2.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking crates.io crate ayaya 2.0.0
[INFO] finished tweaking crates.io crate ayaya 2.0.0
[INFO] tweaked toml for crates.io crate ayaya 2.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ayaya 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15528caddfa4564f9c256718ac13a1909f4c758cd2e6ca3deaab1e08857f2a8f
[INFO] running `Command { std: "docker" "start" "-a" "15528caddfa4564f9c256718ac13a1909f4c758cd2e6ca3deaab1e08857f2a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15528caddfa4564f9c256718ac13a1909f4c758cd2e6ca3deaab1e08857f2a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15528caddfa4564f9c256718ac13a1909f4c758cd2e6ca3deaab1e08857f2a8f", kill_on_drop: false }`
[INFO] [stdout] 15528caddfa4564f9c256718ac13a1909f4c758cd2e6ca3deaab1e08857f2a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e98cf2275b73c11d72cea808bb11ea51114cf917392f910ba9104693e7e8dbf
[INFO] running `Command { std: "docker" "start" "-a" "0e98cf2275b73c11d72cea808bb11ea51114cf917392f910ba9104693e7e8dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling ayaya v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc_error_handler, asm, link_args, naked_functions)]
[INFO] [stdout]   |                                      ^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of using `-C link-arg=ARG` on command line, which is available from cargo build scripts with `cargo:rustc-link-arg` now
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `link_args` in this scope
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![link_args = "-nostartfiles"]
[INFO] [stdout]   |    ^^^^^^^^^ help: a built-in attribute with a similar name exists: `linkage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `global_allocator`
[INFO] [stdout]   --> src/main.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[global_allocator]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no global memory allocator found but one is required; link to std or add `#[global_allocator]` to a static item that implements the GlobalAlloc trait.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `ayaya`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0e98cf2275b73c11d72cea808bb11ea51114cf917392f910ba9104693e7e8dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e98cf2275b73c11d72cea808bb11ea51114cf917392f910ba9104693e7e8dbf", kill_on_drop: false }`
[INFO] [stdout] 0e98cf2275b73c11d72cea808bb11ea51114cf917392f910ba9104693e7e8dbf