[INFO] fetching crate macroclassrender 0.0.2...
[INFO] building macroclassrender-0.0.2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate macroclassrender 0.0.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate macroclassrender 0.0.2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macroclassrender 0.0.2
[INFO] finished tweaking crates.io crate macroclassrender 0.0.2
[INFO] tweaked toml for crates.io crate macroclassrender 0.0.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 973d7beca218a4d65ec37f513cdc5dc2ca0a03747375370ca9e47759c43201ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "973d7beca218a4d65ec37f513cdc5dc2ca0a03747375370ca9e47759c43201ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "973d7beca218a4d65ec37f513cdc5dc2ca0a03747375370ca9e47759c43201ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973d7beca218a4d65ec37f513cdc5dc2ca0a03747375370ca9e47759c43201ad", kill_on_drop: false }`
[INFO] [stdout] 973d7beca218a4d65ec37f513cdc5dc2ca0a03747375370ca9e47759c43201ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b82f46ef8f9dee3110bc28d87826f18c75c34dbeeed52dd9527057b7c79d007b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b82f46ef8f9dee3110bc28d87826f18c75c34dbeeed52dd9527057b7c79d007b", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling macroclassrender v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/functions.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let generated = field.attrs.iter().map(|x| { (
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 13 | |             worker(&x, &impl_generics)
[INFO] [stdout] 14 | |         ) }).collect::<Vec<_>>();
[INFO] [stdout]    | |_________^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:125:49
[INFO] [stdout]     |
[INFO] [stdout] 125 |           let generated = fields.iter().map(|x| { (
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 126 | |             worker(x, &classname)
[INFO] [stdout] 127 | |         ) }).collect::<Vec<_>>();
[INFO] [stdout]     | |_________^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/constructor.rs:84:23
[INFO] [stdout]    |
[INFO] [stdout] 84 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/constructor.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/constructor.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/constructor.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/functions.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/functions.rs:112:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/functions.rs:120:23
[INFO] [stdout]     |
[INFO] [stdout] 120 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/functions.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 121 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `classname`
[INFO] [stdout]   --> src/functions.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let classname = Ident::from(impl_generics.clone());
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_classname`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "b82f46ef8f9dee3110bc28d87826f18c75c34dbeeed52dd9527057b7c79d007b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82f46ef8f9dee3110bc28d87826f18c75c34dbeeed52dd9527057b7c79d007b", kill_on_drop: false }`
[INFO] [stdout] b82f46ef8f9dee3110bc28d87826f18c75c34dbeeed52dd9527057b7c79d007b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d179cf6939e483de2b84776c2bead83af0186f635d0d24610d56ac8bb516f7d
[INFO] running `Command { std: "docker" "start" "-a" "9d179cf6939e483de2b84776c2bead83af0186f635d0d24610d56ac8bb516f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling macroclassrender v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/functions.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let generated = field.attrs.iter().map(|x| { (
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 13 | |             worker(&x, &impl_generics)
[INFO] [stdout] 14 | |         ) }).collect::<Vec<_>>();
[INFO] [stdout]    | |_________^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:125:49
[INFO] [stdout]     |
[INFO] [stdout] 125 |           let generated = fields.iter().map(|x| { (
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 126 | |             worker(x, &classname)
[INFO] [stdout] 127 | |         ) }).collect::<Vec<_>>();
[INFO] [stdout]     | |_________^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/constructor.rs:84:23
[INFO] [stdout]    |
[INFO] [stdout] 84 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/constructor.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/constructor.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/constructor.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/functions.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/functions.rs:112:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/functions.rs:120:23
[INFO] [stdout]     |
[INFO] [stdout] 120 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/functions.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 121 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `classname`
[INFO] [stdout]   --> src/functions.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let classname = Ident::from(impl_generics.clone());
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_classname`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/functions.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let generated = field.attrs.iter().map(|x| { (
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 13 | |             worker(&x, &impl_generics)
[INFO] [stdout] 14 | |         ) }).collect::<Vec<_>>();
[INFO] [stdout]    | |_________^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:125:49
[INFO] [stdout]     |
[INFO] [stdout] 125 |           let generated = fields.iter().map(|x| { (
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 126 | |             worker(x, &classname)
[INFO] [stdout] 127 | |         ) }).collect::<Vec<_>>();
[INFO] [stdout]     | |_________^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/constructor.rs:84:23
[INFO] [stdout]    |
[INFO] [stdout] 84 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/constructor.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/constructor.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/constructor.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/functions.rs:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/functions.rs:112:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/functions.rs:120:23
[INFO] [stdout]     |
[INFO] [stdout] 120 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/functions.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 121 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `classname`
[INFO] [stdout]   --> src/functions.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let classname = Ident::from(impl_generics.clone());
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_classname`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9d179cf6939e483de2b84776c2bead83af0186f635d0d24610d56ac8bb516f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d179cf6939e483de2b84776c2bead83af0186f635d0d24610d56ac8bb516f7d", kill_on_drop: false }`
[INFO] [stdout] 9d179cf6939e483de2b84776c2bead83af0186f635d0d24610d56ac8bb516f7d
