[INFO] crate structsy 0.1.0 is already in cache
[INFO] testing structsy-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate structsy 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate structsy 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structsy 0.1.0
[INFO] finished tweaking crates.io crate structsy 0.1.0
[INFO] tweaked toml for crates.io crate structsy 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate structsy 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 415b583514d8f239869d5f7816d78b5120b08c84d47d4a52f144bd778511f427
[INFO] running `"docker" "start" "-a" "415b583514d8f239869d5f7816d78b5120b08c84d47d4a52f144bd778511f427"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling unsigned-varint v0.2.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling persy v0.6.2
[INFO] [stderr]    Compiling structsy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:114:22
[INFO] [stderr]     |
[INFO] [stderr] 114 | impl_field_type!(u8, (FieldValueType::U8));
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:115:23
[INFO] [stderr]     |
[INFO] [stderr] 115 | impl_field_type!(u16, (FieldValueType::U16));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:116:23
[INFO] [stderr]     |
[INFO] [stderr] 116 | impl_field_type!(u32, (FieldValueType::U32));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:117:23
[INFO] [stderr]     |
[INFO] [stderr] 117 | impl_field_type!(u64, (FieldValueType::U64));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 | impl_field_type!(u128, (FieldValueType::U128));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:119:22
[INFO] [stderr]     |
[INFO] [stderr] 119 | impl_field_type!(i8, (FieldValueType::I8));
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:120:23
[INFO] [stderr]     |
[INFO] [stderr] 120 | impl_field_type!(i16, (FieldValueType::I16));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:121:23
[INFO] [stderr]     |
[INFO] [stderr] 121 | impl_field_type!(i32, (FieldValueType::I32));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:122:23
[INFO] [stderr]     |
[INFO] [stderr] 122 | impl_field_type!(i64, (FieldValueType::I64));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 | impl_field_type!(i128, (FieldValueType::I128));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:124:23
[INFO] [stderr]     |
[INFO] [stderr] 124 | impl_field_type!(f32, (FieldValueType::F32));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:125:23
[INFO] [stderr]     |
[INFO] [stderr] 125 | impl_field_type!(f64, (FieldValueType::F64));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 | impl_field_type!(bool, (FieldValueType::Bool));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/desc.rs:127:26
[INFO] [stderr]     |
[INFO] [stderr] 127 | impl_field_type!(String, (FieldValueType::String));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `persy`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name persy /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/persy-0.6.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=f37ff729c6eba121 -C extra-filename=-f37ff729c6eba121 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-2cdd9ae034878c52.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-faf6376f2a5bc4a2.rmeta --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-503bd975d814d848.rmeta --extern fs2=/opt/rustwide/target/debug/deps/libfs2-ef9d460931abf95f.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-c82cad3fbef0a017.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-71e622ee2def2cbf.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-d6842ceb3e19a632.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "415b583514d8f239869d5f7816d78b5120b08c84d47d4a52f144bd778511f427"`
[INFO] running `"docker" "rm" "-f" "415b583514d8f239869d5f7816d78b5120b08c84d47d4a52f144bd778511f427"`
[INFO] [stdout] 415b583514d8f239869d5f7816d78b5120b08c84d47d4a52f144bd778511f427