[INFO] fetching crate union-fn-macro 0.2.0... [INFO] building union-fn-macro-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate union-fn-macro 0.2.0 into /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate union-fn-macro 0.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e2e24c64633332a5eb2d12d98909bc11ad5def323077f0d8e29eec4872e96c0 [INFO] running `Command { std: "docker" "start" "-a" "2e2e24c64633332a5eb2d12d98909bc11ad5def323077f0d8e29eec4872e96c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e2e24c64633332a5eb2d12d98909bc11ad5def323077f0d8e29eec4872e96c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e2e24c64633332a5eb2d12d98909bc11ad5def323077f0d8e29eec4872e96c0", kill_on_drop: false }` [INFO] [stdout] 2e2e24c64633332a5eb2d12d98909bc11ad5def323077f0d8e29eec4872e96c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a05173126a6456cfdeb1580da213b195c3d4e61cda750c8cc23d3c2a7fa55937 [INFO] running `Command { std: "docker" "start" "-a" "a05173126a6456cfdeb1580da213b195c3d4e61cda750c8cc23d3c2a7fa55937", 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; [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 { [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> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `Command { std: "docker" "inspect" "a05173126a6456cfdeb1580da213b195c3d4e61cda750c8cc23d3c2a7fa55937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a05173126a6456cfdeb1580da213b195c3d4e61cda750c8cc23d3c2a7fa55937", kill_on_drop: false }` [INFO] [stdout] a05173126a6456cfdeb1580da213b195c3d4e61cda750c8cc23d3c2a7fa55937 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27160459d28b7d809a75a3be74b2c41f255780184364aaa20d88b538fff9e8c6 [INFO] running `Command { std: "docker" "start" "-a" "27160459d28b7d809a75a3be74b2c41f255780184364aaa20d88b538fff9e8c6", 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; [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 { [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> { [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; [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 { [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> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `Command { std: "docker" "inspect" "27160459d28b7d809a75a3be74b2c41f255780184364aaa20d88b538fff9e8c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27160459d28b7d809a75a3be74b2c41f255780184364aaa20d88b538fff9e8c6", kill_on_drop: false }` [INFO] [stdout] 27160459d28b7d809a75a3be74b2c41f255780184364aaa20d88b538fff9e8c6