[INFO] fetching crate eventheader_macros 0.4.1...
[INFO] checking eventheader_macros-0.4.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate eventheader_macros 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate eventheader_macros 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate eventheader_macros 0.4.1
[INFO] tweaked toml for crates.io crate eventheader_macros 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eventheader_macros 0.4.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate eventheader_macros 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14e3f1ebf33e50f04bafa77785aae96451e7c2acb321b5ff505023b4491efb57
[INFO] running `Command { std: "docker" "start" "-a" "14e3f1ebf33e50f04bafa77785aae96451e7c2acb321b5ff505023b4491efb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e3f1ebf33e50f04bafa77785aae96451e7c2acb321b5ff505023b4491efb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e3f1ebf33e50f04bafa77785aae96451e7c2acb321b5ff505023b4491efb57", kill_on_drop: false }`
[INFO] [stdout] 14e3f1ebf33e50f04bafa77785aae96451e7c2acb321b5ff505023b4491efb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18f61d5e88819b338d3895fe7172914643640b6157c1260868026cf1f01286fa
[INFO] running `Command { std: "docker" "start" "-a" "18f61d5e88819b338d3895fe7172914643640b6157c1260868026cf1f01286fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling eventheader_macros v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn next_arg(&mut self, want_struct: bool) -> ArgResult {
[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] 210 |     pub fn next_arg(&mut self, want_struct: bool) -> ArgResult<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tree.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn drain(&mut self) -> vec::Drain<TokenTree> {
[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] 35 |     pub fn drain(&mut self) -> vec::Drain<'_, TokenTree> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn next_arg(&mut self, want_struct: bool) -> ArgResult {
[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] 210 |     pub fn next_arg(&mut self, want_struct: bool) -> ArgResult<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tree.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn drain(&mut self) -> vec::Drain<TokenTree> {
[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] 35 |     pub fn drain(&mut self) -> vec::Drain<'_, TokenTree> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parser.rs:210:21
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn next_arg(&mut self, want_struct: bool) -> ArgResult {
[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] 210 |     pub fn next_arg(&mut self, want_struct: bool) -> ArgResult<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/tree.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn drain(&mut self) -> vec::Drain<TokenTree> {
[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] 35 |     pub fn drain(&mut self) -> vec::Drain<'_, TokenTree> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "18f61d5e88819b338d3895fe7172914643640b6157c1260868026cf1f01286fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f61d5e88819b338d3895fe7172914643640b6157c1260868026cf1f01286fa", kill_on_drop: false }`
[INFO] [stdout] 18f61d5e88819b338d3895fe7172914643640b6157c1260868026cf1f01286fa