[INFO] fetching crate async-dropper-derive 0.3.1...
[INFO] testing async-dropper-derive-0.3.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate async-dropper-derive 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate async-dropper-derive 0.3.1
[INFO] finished tweaking crates.io crate async-dropper-derive 0.3.1
[INFO] tweaked toml for crates.io crate async-dropper-derive 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-dropper-derive 0.3.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ab453647f71409d46795d972a8096af4a80b2877924fff4c6bd4a4b0cffd2cf
[INFO] running `Command { std: "docker" "start" "-a" "3ab453647f71409d46795d972a8096af4a80b2877924fff4c6bd4a4b0cffd2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ab453647f71409d46795d972a8096af4a80b2877924fff4c6bd4a4b0cffd2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab453647f71409d46795d972a8096af4a80b2877924fff4c6bd4a4b0cffd2cf", kill_on_drop: false }`
[INFO] [stdout] 3ab453647f71409d46795d972a8096af4a80b2877924fff4c6bd4a4b0cffd2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91ceba4e58c00d7dcc4845ca0c705fc28b70b92d679d9f4bcd9065f70fb5151f
[INFO] running `Command { std: "docker" "start" "-a" "91ceba4e58c00d7dcc4845ca0c705fc28b70b92d679d9f4bcd9065f70fb5151f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling async-dropper-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: either 'async-std' or 'tokio' features must be enabled for the async-dropper crate
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     compile_error!(
[INFO] [stdout] 114 | |         "either 'async-std' or 'tokio' features must be enabled for the async-dropper crate"
[INFO] [stdout] 115 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:9:13
[INFO] [stdout]     |
[INFO] [stdout]   9 |             gen_impl(&derive_input),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ expected `proc_macro2::TokenStream`, found `proc_macro::TokenStream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `proc_macro::TokenStream` and `proc_macro2::TokenStream` have similar names, but are actually distinct types
[INFO] [stdout] note: `proc_macro::TokenStream` is defined in crate `proc_macro`
[INFO] [stdout]    --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/proc_macro/src/lib.rs:103:1
[INFO] [stdout] note: `proc_macro2::TokenStream` is defined in crate `proc_macro2`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.101/src/lib.rs:192:1
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct TokenStream {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: call `Into::into` on this expression to convert `proc_macro::TokenStream` into `proc_macro2::TokenStream`
[INFO] [stdout]     |
[INFO] [stdout]   9 |             gen_impl(&derive_input).into(),
[INFO] [stdout]     |                                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:112:33
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn gen_impl(_: &DeriveInput) -> proc_macro::TokenStream {
[INFO] [stdout]     |    --------                     ^^^^^^^^^^^^^^^^^^^^^^^ expected `TokenStream`, found `()`
[INFO] [stdout]     |    |
[INFO] [stdout]     |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-dropper-derive` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "91ceba4e58c00d7dcc4845ca0c705fc28b70b92d679d9f4bcd9065f70fb5151f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ceba4e58c00d7dcc4845ca0c705fc28b70b92d679d9f4bcd9065f70fb5151f", kill_on_drop: false }`
[INFO] [stdout] 91ceba4e58c00d7dcc4845ca0c705fc28b70b92d679d9f4bcd9065f70fb5151f