[INFO] fetching crate maybe-dangling 0.1.0...
[INFO] checking maybe-dangling-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate maybe-dangling 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate maybe-dangling 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate maybe-dangling 0.1.0
[INFO] finished tweaking crates.io crate maybe-dangling 0.1.0
[INFO] tweaked toml for crates.io crate maybe-dangling 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec72e1d92961b417aefb11c1ccc8fe85e95a993bf1b5e48d43fef2585e8469e9
[INFO] running `Command { std: "docker" "start" "-a" "ec72e1d92961b417aefb11c1ccc8fe85e95a993bf1b5e48d43fef2585e8469e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec72e1d92961b417aefb11c1ccc8fe85e95a993bf1b5e48d43fef2585e8469e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec72e1d92961b417aefb11c1ccc8fe85e95a993bf1b5e48d43fef2585e8469e9", kill_on_drop: false }`
[INFO] [stdout] ec72e1d92961b417aefb11c1ccc8fe85e95a993bf1b5e48d43fef2585e8469e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc9439d39699c552912827f7c85253ae962e38de60324473369c247b800e0ccb
[INFO] running `Command { std: "docker" "start" "-a" "dc9439d39699c552912827f7c85253ae962e38de60324473369c247b800e0ccb", kill_on_drop: false }`
[INFO] [stderr]     Checking maybe-dangling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/maybe_dangling.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | crate::cfg_match! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/maybe_dangling.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | crate::cfg_match! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `feature`
[INFO] [stdout]   --> src/maybe_dangling.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     feature = "nightly-dropck_eyepatch" => {
[INFO] [stdout]    |     ^^^^^^^ no rules expected this token in macro call
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match `cfg`
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/macros/mod.rs:214:11
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `feature`
[INFO] [stdout]   --> src/maybe_dangling.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     feature = "nightly-dropck_eyepatch" => {
[INFO] [stdout]    |     ^^^^^^^ no rules expected this token in macro call
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match `cfg`
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/macros/mod.rs:214:11
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a macro-expanded name and a less macro-expanded name from outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro defined here
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / macro_rules! cfg_match {
[INFO] [stdout] 18 | |     (
[INFO] [stdout] 19 | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 20 | |     ) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     });
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cfg_match`
[INFO] [stdout]   --> src/lib.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! cfg_match {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a macro-expanded name and a less macro-expanded name from outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro defined here
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / macro_rules! cfg_match {
[INFO] [stdout] 18 | |     (
[INFO] [stdout] 19 | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 20 | |     ) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     });
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cfg_match`
[INFO] [stdout]   --> src/lib.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! cfg_match {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0658, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maybe-dangling` (lib) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0658, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maybe-dangling` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "dc9439d39699c552912827f7c85253ae962e38de60324473369c247b800e0ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9439d39699c552912827f7c85253ae962e38de60324473369c247b800e0ccb", kill_on_drop: false }`
[INFO] [stdout] dc9439d39699c552912827f7c85253ae962e38de60324473369c247b800e0ccb
[INFO] checking maybe-dangling-0.1.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate maybe-dangling 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate maybe-dangling 0.1.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate maybe-dangling 0.1.0
[INFO] finished tweaking crates.io crate maybe-dangling 0.1.0
[INFO] tweaked toml for crates.io crate maybe-dangling 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad6259c11ea6314681431d12a4b8a445de36fac5a03c2d85a4a8e7716ea3a7d3
[INFO] running `Command { std: "docker" "start" "-a" "ad6259c11ea6314681431d12a4b8a445de36fac5a03c2d85a4a8e7716ea3a7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad6259c11ea6314681431d12a4b8a445de36fac5a03c2d85a4a8e7716ea3a7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6259c11ea6314681431d12a4b8a445de36fac5a03c2d85a4a8e7716ea3a7d3", kill_on_drop: false }`
[INFO] [stdout] ad6259c11ea6314681431d12a4b8a445de36fac5a03c2d85a4a8e7716ea3a7d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c34b63adb5100ae0400f53d7e370a1e77aba6cb6d0026a801fe78a7d41716600
[INFO] running `Command { std: "docker" "start" "-a" "c34b63adb5100ae0400f53d7e370a1e77aba6cb6d0026a801fe78a7d41716600", kill_on_drop: false }`
[INFO] [stderr]     Checking maybe-dangling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/maybe_dangling.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | crate::cfg_match! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/maybe_dangling.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | crate::cfg_match! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `feature`
[INFO] [stdout]   --> src/maybe_dangling.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     feature = "nightly-dropck_eyepatch" => {
[INFO] [stdout]    |     ^^^^^^^ no rules expected this token in macro call
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match `cfg`
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/macros/mod.rs:214:11
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: no rules expected the token `feature`
[INFO] [stdout]   --> src/maybe_dangling.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     feature = "nightly-dropck_eyepatch" => {
[INFO] [stdout]    |     ^^^^^^^ no rules expected this token in macro call
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match `cfg`
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/macros/mod.rs:214:11
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a macro-expanded name and a less macro-expanded name from outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro defined here
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / macro_rules! cfg_match {
[INFO] [stdout] 18 | |     (
[INFO] [stdout] 19 | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 20 | |     ) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     });
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cfg_match`
[INFO] [stdout]   --> src/lib.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! cfg_match {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `cfg_match` is ambiguous
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a macro-expanded name and a less macro-expanded name from outer scope during import or macro resolution
[INFO] [stdout]    = note: `cfg_match` could refer to a macro from prelude
[INFO] [stdout] note: `cfg_match` could also refer to the macro defined here
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / macro_rules! cfg_match {
[INFO] [stdout] 18 | |     (
[INFO] [stdout] 19 | |         _ => { $($expansion:tt)* } $(,)?
[INFO] [stdout] 20 | |     ) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     });
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cfg_match`
[INFO] [stdout]   --> src/lib.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | macro_rules! cfg_match {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cfg_match'
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use cfg_match;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #115585 <https://github.com/rust-lang/rust/issues/115585> for more information
[INFO] [stdout]    = help: add `#![feature(cfg_match)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-04-23; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0658, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maybe-dangling` (lib) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0658, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maybe-dangling` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c34b63adb5100ae0400f53d7e370a1e77aba6cb6d0026a801fe78a7d41716600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34b63adb5100ae0400f53d7e370a1e77aba6cb6d0026a801fe78a7d41716600", kill_on_drop: false }`
[INFO] [stdout] c34b63adb5100ae0400f53d7e370a1e77aba6cb6d0026a801fe78a7d41716600
