[INFO] crate evitable-syn-meta-ext 0.5.0 is already in cache
[INFO] testing evitable-syn-meta-ext-0.5.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate evitable-syn-meta-ext 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate evitable-syn-meta-ext 0.5.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate evitable-syn-meta-ext 0.5.0
[INFO] finished tweaking crates.io crate evitable-syn-meta-ext 0.5.0
[INFO] tweaked toml for crates.io crate evitable-syn-meta-ext 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "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] a598d1fa8dc32c5ec4be893ad8d05bd682307c9c4740d52b85d79313de0f747a
[INFO] running `"docker" "start" "-a" "a598d1fa8dc32c5ec4be893ad8d05bd682307c9c4740d52b85d79313de0f747a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling evitable-syn-meta-ext v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.81s
[INFO] running `"docker" "inspect" "a598d1fa8dc32c5ec4be893ad8d05bd682307c9c4740d52b85d79313de0f747a"`
[INFO] running `"docker" "rm" "-f" "a598d1fa8dc32c5ec4be893ad8d05bd682307c9c4740d52b85d79313de0f747a"`
[INFO] [stdout] a598d1fa8dc32c5ec4be893ad8d05bd682307c9c4740d52b85d79313de0f747a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 18cdf8f8c03cb39e244e9bb38bdff36946f62a030d03094489fa2fa95f5d8bb1
[INFO] running `"docker" "start" "-a" "18cdf8f8c03cb39e244e9bb38bdff36946f62a030d03094489fa2fa95f5d8bb1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling evitable-syn-meta-ext v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `"docker" "inspect" "18cdf8f8c03cb39e244e9bb38bdff36946f62a030d03094489fa2fa95f5d8bb1"`
[INFO] running `"docker" "rm" "-f" "18cdf8f8c03cb39e244e9bb38bdff36946f62a030d03094489fa2fa95f5d8bb1"`
[INFO] [stdout] 18cdf8f8c03cb39e244e9bb38bdff36946f62a030d03094489fa2fa95f5d8bb1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f30a36bf56ad093bd9657f13282bc854781b46f12eec99f2fcab783853d4765e
[INFO] running `"docker" "start" "-a" "f30a36bf56ad093bd9657f13282bc854781b46f12eec99f2fcab783853d4765e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/evitable_syn_meta_ext-f414942ea78bbbb8
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test error::tests::flatten_simple ... ok
[INFO] [stdout] test error::tests::flatten_noop ... ok
[INFO] [stdout] test from_meta::tests::float_without_quotes ... ok
[INFO] [stderr]    Doc-tests evitable-syn-meta-ext
[INFO] [stdout] test from_meta::tests::meta_succeeds ... ok
[INFO] [stdout] test test::derive_test ... ok
[INFO] [stdout] test error::tests::len_nested ... ok
[INFO] [stdout] test from_meta::tests::int_without_quotes ... ok
[INFO] [stdout] test from_meta::tests::unit_succeeds ... ok
[INFO] [stdout] test error::tests::len_single ... ok
[INFO] [stdout] test from_meta::tests::string_succeeds ... ok
[INFO] [stdout] test from_meta::tests::bool_succeeds ... ok
[INFO] [stdout] test from_meta::tests::number_succeeds ... ok
[INFO] [stdout] test from_meta::tests::result_succeeds ... ok
[INFO] [stdout] test error::tests::len_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `"docker" "inspect" "f30a36bf56ad093bd9657f13282bc854781b46f12eec99f2fcab783853d4765e"`
[INFO] running `"docker" "rm" "-f" "f30a36bf56ad093bd9657f13282bc854781b46f12eec99f2fcab783853d4765e"`
[INFO] [stdout] f30a36bf56ad093bd9657f13282bc854781b46f12eec99f2fcab783853d4765e