[INFO] fetching crate polib 0.2.0...
[INFO] checking polib-0.2.0 against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] extracting crate polib 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate polib 0.2.0
[INFO] finished tweaking crates.io crate polib 0.2.0
[INFO] tweaked toml for crates.io crate polib 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polib 0.2.0 on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polib 0.2.0 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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6079920358270dfb17814a15a6fa60cec93807786acf9b0a41f1c2c9c249e3a
[INFO] running `Command { std: "docker" "start" "-a" "c6079920358270dfb17814a15a6fa60cec93807786acf9b0a41f1c2c9c249e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6079920358270dfb17814a15a6fa60cec93807786acf9b0a41f1c2c9c249e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6079920358270dfb17814a15a6fa60cec93807786acf9b0a41f1c2c9c249e3a", kill_on_drop: false }`
[INFO] [stdout] c6079920358270dfb17814a15a6fa60cec93807786acf9b0a41f1c2c9c249e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73da9023a27d1bbf5e696ee31718e69bdcddc949011fb15c4f146a56c5a696d3
[INFO] running `Command { std: "docker" "start" "-a" "73da9023a27d1bbf5e696ee31718e69bdcddc949011fb15c4f146a56c5a696d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking linereader v0.4.0
[INFO] [stderr]     Checking polib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/catalog/mod.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn messages(&self) -> Iter {
[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] 48 |     pub fn messages(&self) -> Iter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/catalog/mod.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn messages_mut(&mut self) -> IterMut {
[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] 53 |     pub fn messages_mut(&mut self) -> IterMut<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/catalog/mod.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 80 |     ) -> Option<MessageMutProxy> {
[INFO] [stdout]    |                 --------------- the lifetime gets resolved as `'_`
[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] 80 |     ) -> Option<MessageMutProxy<'_>> {
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/message/flags.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> std::slice::Iter<String> {
[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] 87 |     pub fn iter(&self) -> std::slice::Iter<'_, String> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/message/flags.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<String> {
[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] 92 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, String> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/catalog/mod.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn messages(&self) -> Iter {
[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] 48 |     pub fn messages(&self) -> Iter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/catalog/mod.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn messages_mut(&mut self) -> IterMut {
[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] 53 |     pub fn messages_mut(&mut self) -> IterMut<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/catalog/mod.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 80 |     ) -> Option<MessageMutProxy> {
[INFO] [stdout]    |                 --------------- the lifetime gets resolved as `'_`
[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] 80 |     ) -> Option<MessageMutProxy<'_>> {
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/message/flags.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter(&self) -> std::slice::Iter<String> {
[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] 87 |     pub fn iter(&self) -> std::slice::Iter<'_, String> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/message/flags.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<String> {
[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] 92 |     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, String> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "73da9023a27d1bbf5e696ee31718e69bdcddc949011fb15c4f146a56c5a696d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73da9023a27d1bbf5e696ee31718e69bdcddc949011fb15c4f146a56c5a696d3", kill_on_drop: false }`
[INFO] [stdout] 73da9023a27d1bbf5e696ee31718e69bdcddc949011fb15c4f146a56c5a696d3