[INFO] fetching crate wasmyon-macro-support 0.1.1...
[INFO] checking wasmyon-macro-support-0.1.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate wasmyon-macro-support 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmyon-macro-support 0.1.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmyon-macro-support 0.1.1
[INFO] finished tweaking crates.io crate wasmyon-macro-support 0.1.1
[INFO] tweaked toml for crates.io crate wasmyon-macro-support 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda4a59531e07fa53c9d4da1c7b5200bdcbad47609ae04543e657de48e3f297a
[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" "cda4a59531e07fa53c9d4da1c7b5200bdcbad47609ae04543e657de48e3f297a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda4a59531e07fa53c9d4da1c7b5200bdcbad47609ae04543e657de48e3f297a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda4a59531e07fa53c9d4da1c7b5200bdcbad47609ae04543e657de48e3f297a", kill_on_drop: false }`
[INFO] [stdout] cda4a59531e07fa53c9d4da1c7b5200bdcbad47609ae04543e657de48e3f297a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27bdf34ef138f20e00d4e73304f5d4bb30e717d357ffec26277ad6da70c890c
[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" "e27bdf34ef138f20e00d4e73304f5d4bb30e717d357ffec26277ad6da70c890c", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.75
[INFO] [stderr]     Checking wasmyon-macro-support v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::ItemFn`
[INFO] [stdout]  --> src/lib.rs:4:58
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, parse_quote, token::RArrow, ItemFn, ReturnType, Type};
[INFO] [stdout]   |                                                          ^^^^^^ no `ItemFn` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token_stream::IntoIter`
[INFO] [stdout]  --> src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{token_stream::IntoIter, Ident, Span, TokenStream as TokenStream2};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `__private::ext::RepAsIteratorExt`
[INFO] [stdout]  --> src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::{ToTokens, __private::ext::RepAsIteratorExt, quote};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToTokens`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::{ToTokens, __private::ext::RepAsIteratorExt, quote};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmyon-macro-support` due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `syn::ItemFn`
[INFO] [stdout]  --> src/lib.rs:4:58
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse_macro_input, parse_quote, token::RArrow, ItemFn, ReturnType, Type};
[INFO] [stdout]   |                                                          ^^^^^^ no `ItemFn` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token_stream::IntoIter`
[INFO] [stdout]  --> src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{token_stream::IntoIter, Ident, Span, TokenStream as TokenStream2};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `__private::ext::RepAsIteratorExt`
[INFO] [stdout]  --> src/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::{ToTokens, __private::ext::RepAsIteratorExt, quote};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToTokens`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::{ToTokens, __private::ext::RepAsIteratorExt, quote};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e27bdf34ef138f20e00d4e73304f5d4bb30e717d357ffec26277ad6da70c890c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27bdf34ef138f20e00d4e73304f5d4bb30e717d357ffec26277ad6da70c890c", kill_on_drop: false }`
[INFO] [stdout] e27bdf34ef138f20e00d4e73304f5d4bb30e717d357ffec26277ad6da70c890c