[INFO] fetching crate macroclassrender 0.0.2...
[INFO] testing macroclassrender-0.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate macroclassrender 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate macroclassrender 0.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] a9a0f5040bc82ef67a379d1fe11260e6deac02aa88fea7f0b57fa5a76f7c0bca
[INFO] running `Command { std: "docker" "start" "-a" "a9a0f5040bc82ef67a379d1fe11260e6deac02aa88fea7f0b57fa5a76f7c0bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a0f5040bc82ef67a379d1fe11260e6deac02aa88fea7f0b57fa5a76f7c0bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a0f5040bc82ef67a379d1fe11260e6deac02aa88fea7f0b57fa5a76f7c0bca", kill_on_drop: false }`
[INFO] [stdout] a9a0f5040bc82ef67a379d1fe11260e6deac02aa88fea7f0b57fa5a76f7c0bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 30b0b3b2779485a8bdc440ab1e8377a869953766738b6056319f1938fec370f6
[INFO] running `Command { std: "docker" "start" "-a" "30b0b3b2779485a8bdc440ab1e8377a869953766738b6056319f1938fec370f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[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]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let generated = field.attrs.iter().map(|x| { 
[INFO] [stdout] 13 |             worker(&x, &impl_generics)
[INFO] [stdout] 14 |          }).collect::<Vec<_>>();
[INFO] [stdout]    |
[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]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let generated = fields.iter().map(|x| { 
[INFO] [stdout] 126 |             worker(x, &classname)
[INFO] [stdout] 127 |          }).collect::<Vec<_>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `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 6.89s
[INFO] running `Command { std: "docker" "inspect" "30b0b3b2779485a8bdc440ab1e8377a869953766738b6056319f1938fec370f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b0b3b2779485a8bdc440ab1e8377a869953766738b6056319f1938fec370f6", kill_on_drop: false }`
[INFO] [stdout] 30b0b3b2779485a8bdc440ab1e8377a869953766738b6056319f1938fec370f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf7f5a22c5934272c5819591856914a3864354b479b11edcee0664fc31a1d68e
[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" "bf7f5a22c5934272c5819591856914a3864354b479b11edcee0664fc31a1d68e", 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]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let generated = field.attrs.iter().map(|x| { 
[INFO] [stdout] 13 |             worker(&x, &impl_generics)
[INFO] [stdout] 14 |          }).collect::<Vec<_>>();
[INFO] [stdout]    |
[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]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let generated = fields.iter().map(|x| { 
[INFO] [stdout] 126 |             worker(x, &classname)
[INFO] [stdout] 127 |          }).collect::<Vec<_>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `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]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let generated = field.attrs.iter().map(|x| { 
[INFO] [stdout] 13 |             worker(&x, &impl_generics)
[INFO] [stdout] 14 |          }).collect::<Vec<_>>();
[INFO] [stdout]    |
[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]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let generated = fields.iter().map(|x| { 
[INFO] [stdout] 126 |             worker(x, &classname)
[INFO] [stdout] 127 |          }).collect::<Vec<_>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item: `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 0.49s
[INFO] running `Command { std: "docker" "inspect" "bf7f5a22c5934272c5819591856914a3864354b479b11edcee0664fc31a1d68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7f5a22c5934272c5819591856914a3864354b479b11edcee0664fc31a1d68e", kill_on_drop: false }`
[INFO] [stdout] bf7f5a22c5934272c5819591856914a3864354b479b11edcee0664fc31a1d68e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2479204aa92a6966212a546e37608a0cefd42464a217c9bb3026ddcccc7b75ae
[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" "2479204aa92a6966212a546e37608a0cefd42464a217c9bb3026ddcccc7b75ae", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/functions.rs:12:50
[INFO] [stderr]    |
[INFO] [stderr] 12 |       let generated = field.attrs.iter().map(|x| { (
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 13 | |             worker(&x, &impl_generics)
[INFO] [stderr] 14 | |         ) }).collect::<Vec<_>>();
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let generated = field.attrs.iter().map(|x| { 
[INFO] [stderr] 13 |             worker(&x, &impl_generics)
[INFO] [stderr] 14 |          }).collect::<Vec<_>>();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/functions.rs:12:50
[INFO] [stderr]    |
[INFO] [stderr] 12 |       let generated = field.attrs.iter().map(|x| { (
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 13 | |             worker(&x, &impl_generics)
[INFO] [stderr] 14 | |         ) }).collect::<Vec<_>>();
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let generated = field.attrs.iter().map(|x| { 
[INFO] [stderr] 13 |             worker(&x, &impl_generics)
[INFO] [stderr] 14 |          }).collect::<Vec<_>>();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:125:49
[INFO] [stderr]     |
[INFO] [stderr] 125 |           let generated = fields.iter().map(|x| { (
[INFO] [stderr]     |  _________________________________________________^
[INFO] [stderr] 126 | |             worker(x, &classname)
[INFO] [stderr] 127 | |         ) }).collect::<Vec<_>>();
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let generated = fields.iter().map(|x| { 
[INFO] [stderr] 126 |             worker(x, &classname)
[INFO] [stderr] 127 |          }).collect::<Vec<_>>();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/constructor.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:125:49
[INFO] [stderr]     |
[INFO] [stderr] 125 |           let generated = fields.iter().map(|x| { (
[INFO] [stderr]     |  _________________________________________________^
[INFO] [stderr] 126 | |             worker(x, &classname)
[INFO] [stderr] 127 | |         ) }).collect::<Vec<_>>();
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let generated = fields.iter().map(|x| { 
[INFO] [stderr] 126 |             worker(x, &classname)
[INFO] [stderr] 127 |          }).collect::<Vec<_>>();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/constructor.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/constructor.rs:93:23
[INFO] [stderr]    |
[INFO] [stderr] 93 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/constructor.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/constructor.rs:94:23
[INFO] [stderr]    |
[INFO] [stderr] 94 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/constructor.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/functions.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/functions.rs:112:23
[INFO] [stderr]     |
[INFO] [stderr] 112 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/functions.rs:120:23
[INFO] [stderr]     |
[INFO] [stderr] 120 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/functions.rs:121:23
[INFO] [stderr]     |
[INFO] [stderr] 121 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `classname`
[INFO] [stderr]   --> src/functions.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let classname = Ident::from(impl_generics.clone());
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_classname`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/constructor.rs:93:23
[INFO] [stderr]    |
[INFO] [stderr] 93 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/constructor.rs:94:23
[INFO] [stderr]    |
[INFO] [stderr] 94 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/functions.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |     s_slice = s_slice.trim_left_matches('{');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/functions.rs:112:23
[INFO] [stderr]     |
[INFO] [stderr] 112 |     s_slice = s_slice.trim_right_matches('}');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/functions.rs:120:23
[INFO] [stderr]     |
[INFO] [stderr] 120 |     s_slice = s_slice.trim_left_matches('(');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/functions.rs:121:23
[INFO] [stderr]     |
[INFO] [stderr] 121 |     s_slice = s_slice.trim_right_matches(')');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `classname`
[INFO] [stderr]   --> src/functions.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let classname = Ident::from(impl_generics.clone());
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_classname`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macroclassrender-b0b9bf239e82f5d8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests macroclassrender
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/functions.rs:12:50
[INFO] [stderr]    |
[INFO] [stderr] 12 |       let generated = field.attrs.iter().map(|x| { (
[INFO] [stderr]    |  __________________________________________________^
[INFO] [stderr] 13 | |             worker(&x, &impl_generics)
[INFO] [stderr] 14 | |         ) }).collect::<Vec<_>>();
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let generated = field.attrs.iter().map(|x| { 
[INFO] [stderr] 13 |             worker(&x, &impl_generics)
[INFO] [stderr] 14 |          }).collect::<Vec<_>>();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:125:49
[INFO] [stderr]     |
[INFO] [stderr] 125 |           let generated = fields.iter().map(|x| { (
[INFO] [stderr]     |  _________________________________________________^
[INFO] [stderr] 126 | |             worker(x, &classname)
[INFO] [stderr] 127 | |         ) }).collect::<Vec<_>>();
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let generated = fields.iter().map(|x| { 
[INFO] [stderr] 126 |             worker(x, &classname)
[INFO] [stderr] 127 |          }).collect::<Vec<_>>();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2479204aa92a6966212a546e37608a0cefd42464a217c9bb3026ddcccc7b75ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2479204aa92a6966212a546e37608a0cefd42464a217c9bb3026ddcccc7b75ae", kill_on_drop: false }`
[INFO] [stdout] 2479204aa92a6966212a546e37608a0cefd42464a217c9bb3026ddcccc7b75ae