[INFO] fetching crate fn_mut 0.1.0...
[INFO] checking fn_mut-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate fn_mut 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fn_mut 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fn_mut 0.1.0
[INFO] finished tweaking crates.io crate fn_mut 0.1.0
[INFO] tweaked toml for crates.io crate fn_mut 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f344d506e1420bfa87ff5d70d4d6421f306e091ab996ed7a552fe1d193e6e1b
[INFO] running `"docker" "start" "-a" "3f344d506e1420bfa87ff5d70d4d6421f306e091ab996ed7a552fe1d193e6e1b"`
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking fn_mut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / lazy_static! {
[INFO] [stderr] 11 | |     static ref RE1: Regex = Regex::new(r#"([a-zA-Z0-9_]+)( = "([a-zA-Z0-9,_]*)")?"#).unwrap();
[INFO] [stderr] 12 | |     static ref RE2: Regex = Regex::new(r#"[a-zA-Z0-9_]*"#).unwrap();
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / lazy_static! {
[INFO] [stderr] 11 | |     static ref RE1: Regex = Regex::new(r#"([a-zA-Z0-9_]+)( = "([a-zA-Z0-9,_]*)")?"#).unwrap();
[INFO] [stderr] 12 | |     static ref RE2: Regex = Regex::new(r#"[a-zA-Z0-9_]*"#).unwrap();
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / lazy_static! {
[INFO] [stderr] 11 | |     static ref RE1: Regex = Regex::new(r#"([a-zA-Z0-9_]+)( = "([a-zA-Z0-9,_]*)")?"#).unwrap();
[INFO] [stderr] 12 | |     static ref RE2: Regex = Regex::new(r#"[a-zA-Z0-9_]*"#).unwrap();
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / lazy_static! {
[INFO] [stderr] 11 | |     static ref RE1: Regex = Regex::new(r#"([a-zA-Z0-9_]+)( = "([a-zA-Z0-9,_]*)")?"#).unwrap();
[INFO] [stderr] 12 | |     static ref RE2: Regex = Regex::new(r#"[a-zA-Z0-9_]*"#).unwrap();
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qualified`
[INFO] [stderr]    --> src/lib.rs:111:38
[INFO] [stderr]     |
[INFO] [stderr] 111 |             if let &mut Some(ref mut qualified) = qualified {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_qualified`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qualified`
[INFO] [stderr]    --> src/lib.rs:111:38
[INFO] [stderr]     |
[INFO] [stderr] 111 |             if let &mut Some(ref mut qualified) = qualified {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_qualified`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 | #![feature(proc_macro)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 | #![feature(proc_macro)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / lazy_static! {
[INFO] [stderr] 11 | |     static ref RE1: Regex = Regex::new(r#"([a-zA-Z0-9_]+)( = "([a-zA-Z0-9,_]*)")?"#).unwrap();
[INFO] [stderr] 12 | |     static ref RE2: Regex = Regex::new(r#"[a-zA-Z0-9_]*"#).unwrap();
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / lazy_static! {
[INFO] [stderr] 11 | |     static ref RE1: Regex = Regex::new(r#"([a-zA-Z0-9_]+)( = "([a-zA-Z0-9,_]*)")?"#).unwrap();
[INFO] [stderr] 12 | |     static ref RE2: Regex = Regex::new(r#"[a-zA-Z0-9_]*"#).unwrap();
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qualified`
[INFO] [stderr]    --> src/lib.rs:111:38
[INFO] [stderr]     |
[INFO] [stderr] 111 |             if let &mut Some(ref mut qualified) = qualified {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: consider prefixing with an underscore: `_qualified`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 | #![feature(proc_macro)]
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot expand to macro definitions
[INFO] [stderr]  --> tests/basic.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[fn_mut(enable_attrs = "text")]
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]   = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `fn_mut`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3f344d506e1420bfa87ff5d70d4d6421f306e091ab996ed7a552fe1d193e6e1b"`
[INFO] running `"docker" "rm" "-f" "3f344d506e1420bfa87ff5d70d4d6421f306e091ab996ed7a552fe1d193e6e1b"`
[INFO] [stdout] 3f344d506e1420bfa87ff5d70d4d6421f306e091ab996ed7a552fe1d193e6e1b