[INFO] fetching crate aliri_braid_impl 0.4.0...
[INFO] checking aliri_braid_impl-0.4.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate aliri_braid_impl 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate aliri_braid_impl 0.4.0
[INFO] finished tweaking crates.io crate aliri_braid_impl 0.4.0
[INFO] tweaked toml for crates.io crate aliri_braid_impl 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate aliri_braid_impl 0.4.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cbc2aa2936173c4a97be3922754295c5b9676213a85e11f929b4298e3e58b7e
[INFO] running `Command { std: "docker" "start" "-a" "8cbc2aa2936173c4a97be3922754295c5b9676213a85e11f929b4298e3e58b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cbc2aa2936173c4a97be3922754295c5b9676213a85e11f929b4298e3e58b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbc2aa2936173c4a97be3922754295c5b9676213a85e11f929b4298e3e58b7e", kill_on_drop: false }`
[INFO] [stdout] 8cbc2aa2936173c4a97be3922754295c5b9676213a85e11f929b4298e3e58b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b3e77afc54db5149b03d93a44658d0ccdfeb2c4d33c4f2ed7efee02e6ff6b4
[INFO] running `Command { std: "docker" "start" "-a" "a6b3e77afc54db5149b03d93a44658d0ccdfeb2c4d33c4f2ed7efee02e6ff6b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking aliri_braid_impl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `common_attrs` is never read
[INFO] [stdout]  --> src/codegen/owned.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct OwnedCodeGen<'a> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 6 |     pub common_attrs: &'a [syn::Attribute],
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/codegen/mod.rs:399:18
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn owned(&self) -> OwnedCodeGen {
[INFO] [stdout]     |                  ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn owned(&self) -> OwnedCodeGen<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/codegen/mod.rs:414:21
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn borrowed(&self) -> RefCodeGen {
[INFO] [stdout]     |                     ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn borrowed(&self) -> RefCodeGen<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/codegen/mod.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn self_constructor(&self) -> SelfConstructorImpl {
[INFO] [stdout]     |                         ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn self_constructor(&self) -> SelfConstructorImpl<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stdout] warning: field `common_attrs` is never read
[INFO] [stdout]  --> src/codegen/owned.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct OwnedCodeGen<'a> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 6 |     pub common_attrs: &'a [syn::Attribute],
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/codegen/mod.rs:399:18
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn owned(&self) -> OwnedCodeGen {
[INFO] [stdout]     |                  ^^^^^     ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn owned(&self) -> OwnedCodeGen<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/codegen/mod.rs:414:21
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn borrowed(&self) -> RefCodeGen {
[INFO] [stdout]     |                     ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn borrowed(&self) -> RefCodeGen<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/codegen/mod.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn self_constructor(&self) -> SelfConstructorImpl {
[INFO] [stdout]     |                         ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn self_constructor(&self) -> SelfConstructorImpl<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `Command { std: "docker" "inspect" "a6b3e77afc54db5149b03d93a44658d0ccdfeb2c4d33c4f2ed7efee02e6ff6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b3e77afc54db5149b03d93a44658d0ccdfeb2c4d33c4f2ed7efee02e6ff6b4", kill_on_drop: false }`
[INFO] [stdout] a6b3e77afc54db5149b03d93a44658d0ccdfeb2c4d33c4f2ed7efee02e6ff6b4