[INFO] fetching crate union-fn-macro 0.2.0...
[INFO] building union-fn-macro-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate union-fn-macro 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate union-fn-macro 0.2.0
[INFO] finished tweaking crates.io crate union-fn-macro 0.2.0
[INFO] tweaked toml for crates.io crate union-fn-macro 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate union-fn-macro 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd20a9ce7dcf9dfb5aef1a79f1e73ab3db5f89ff01ed1f21e2d21d71b87f6101
[INFO] running `Command { std: "docker" "start" "-a" "fd20a9ce7dcf9dfb5aef1a79f1e73ab3db5f89ff01ed1f21e2d21d71b87f6101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd20a9ce7dcf9dfb5aef1a79f1e73ab3db5f89ff01ed1f21e2d21d71b87f6101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd20a9ce7dcf9dfb5aef1a79f1e73ab3db5f89ff01ed1f21e2d21d71b87f6101", kill_on_drop: false }`
[INFO] [stdout] fd20a9ce7dcf9dfb5aef1a79f1e73ab3db5f89ff01ed1f21e2d21d71b87f6101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ebf3a82bee6811d0a8b4803ea28728fe56673f5ae657bd6ebc8ccd76c56587
[INFO] running `Command { std: "docker" "start" "-a" "57ebf3a82bee6811d0a8b4803ea28728fe56673f5ae657bd6ebc8ccd76c56587", kill_on_drop: false }`
[INFO] [stderr]    Compiling union-fn-macro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `filter_docs` and `get_docs` are never used
[INFO] [stdout]   --> src/utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait AttributeExt {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn filter_docs(&self) -> Option<&syn::Attribute>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_docs(&self) -> Option<syn::LitStr>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:378:20
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn methods(&self) -> impl Iterator<Item = UnionFnMethod> {
[INFO] [stdout]     |                    ^^^^^                          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn methods(&self) -> impl Iterator<Item = UnionFnMethod<'_>> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "57ebf3a82bee6811d0a8b4803ea28728fe56673f5ae657bd6ebc8ccd76c56587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ebf3a82bee6811d0a8b4803ea28728fe56673f5ae657bd6ebc8ccd76c56587", kill_on_drop: false }`
[INFO] [stdout] 57ebf3a82bee6811d0a8b4803ea28728fe56673f5ae657bd6ebc8ccd76c56587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d78bb0b1ce128d5a6f7b8f7bdc43f25ce66421f703ca7d87e2393d2f1d4526d
[INFO] running `Command { std: "docker" "start" "-a" "7d78bb0b1ce128d5a6f7b8f7bdc43f25ce66421f703ca7d87e2393d2f1d4526d", kill_on_drop: false }`
[INFO] [stderr]    Compiling union-fn-macro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:378:20
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn methods(&self) -> impl Iterator<Item = UnionFnMethod> {
[INFO] [stdout]     |                    ^^^^^                          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn methods(&self) -> impl Iterator<Item = UnionFnMethod<'_>> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `filter_docs` and `get_docs` are never used
[INFO] [stdout]   --> src/utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait AttributeExt {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn filter_docs(&self) -> Option<&syn::Attribute>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_docs(&self) -> Option<syn::LitStr>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:378:20
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn methods(&self) -> impl Iterator<Item = UnionFnMethod> {
[INFO] [stdout]     |                    ^^^^^                          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub fn methods(&self) -> impl Iterator<Item = UnionFnMethod<'_>> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `filter_docs` and `get_docs` are never used
[INFO] [stdout]   --> src/utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait AttributeExt {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn filter_docs(&self) -> Option<&syn::Attribute>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_docs(&self) -> Option<syn::LitStr>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "7d78bb0b1ce128d5a6f7b8f7bdc43f25ce66421f703ca7d87e2393d2f1d4526d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d78bb0b1ce128d5a6f7b8f7bdc43f25ce66421f703ca7d87e2393d2f1d4526d", kill_on_drop: false }`
[INFO] [stdout] 7d78bb0b1ce128d5a6f7b8f7bdc43f25ce66421f703ca7d87e2393d2f1d4526d
