[INFO] fetching crate serry-derive 0.1.0...
[INFO] checking serry-derive-0.1.0 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate serry-derive 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate serry-derive 0.1.0
[INFO] finished tweaking crates.io crate serry-derive 0.1.0
[INFO] tweaked toml for crates.io crate serry-derive 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serry-derive 0.1.0 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding syn v2.0.119 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13
[INFO] running `Command { std: "docker" "start" "bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.27
[INFO] [stderr]     Checking proc-macro2 v1.0.107
[INFO] [stderr]     Checking quote v1.0.47
[INFO] [stderr]     Checking syn v2.0.119
[INFO] [stderr]     Checking serry-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/sized.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     impl Predict {
[INFO] [stdout]    |     ------------ associated function in this implementation
[INFO] [stdout] 29 |         fn all(v: impl ToTokens) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option<ProcessedFields> {
[INFO] [stdout]    |                           ^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option<ProcessedFields<'_>> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:302:27
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result<SerryAttr, Error> {
[INFO] [stdout]     |                           ^^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result<SerryAttr<'_>, Error> {
[INFO] [stdout]     |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:410:12
[INFO] [stdout]     |
[INFO] [stdout] 410 |     attrs: &Vec<Attribute>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 411 |     fields: SerryAttrFields,
[INFO] [stdout] 412 | ) -> Result<SerryAttr, Error> {
[INFO] [stdout]     |             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 412 | ) -> Result<SerryAttr<'_>, Error> {
[INFO] [stdout]     |                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/sized.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     impl Predict {
[INFO] [stdout]    |     ------------ associated function in this implementation
[INFO] [stdout] 29 |         fn all(v: impl ToTokens) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option<ProcessedFields> {
[INFO] [stdout]    |                           ^^^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option<ProcessedFields<'_>> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:302:27
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result<SerryAttr, Error> {
[INFO] [stdout]     |                           ^^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result<SerryAttr<'_>, Error> {
[INFO] [stdout]     |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:410:12
[INFO] [stdout]     |
[INFO] [stdout] 410 |     attrs: &Vec<Attribute>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 411 |     fields: SerryAttrFields,
[INFO] [stdout] 412 | ) -> Result<SerryAttr, Error> {
[INFO] [stdout]     |             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 412 | ) -> Result<SerryAttr<'_>, Error> {
[INFO] [stdout]     |                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13", kill_on_drop: false }`
[INFO] [stdout] bf5a21df5644db955b881b6c2c1ec1584010e196b3c40d5d2b3c4ea39e91ae13
