[INFO] fetching crate unindent 0.2.4...
[INFO] checking unindent-0.2.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate unindent 0.2.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate unindent 0.2.4
[INFO] finished tweaking crates.io crate unindent 0.2.4
[INFO] tweaked toml for crates.io crate unindent 0.2.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unindent 0.2.4 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 unindent 0.2.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ec44b3674c6ee55754c39213375a5a626d19f590a59961f698fa2de2cb78d751
[INFO] running `Command { std: "docker" "start" "-a" "ec44b3674c6ee55754c39213375a5a626d19f590a59961f698fa2de2cb78d751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec44b3674c6ee55754c39213375a5a626d19f590a59961f698fa2de2cb78d751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec44b3674c6ee55754c39213375a5a626d19f590a59961f698fa2de2cb78d751", kill_on_drop: false }`
[INFO] [stdout] ec44b3674c6ee55754c39213375a5a626d19f590a59961f698fa2de2cb78d751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 19a40e589ad7c72f362a77482e412adfa4de403de3ac7f0a70667fc7f460aa95
[INFO] running `Command { std: "docker" "start" "-a" "19a40e589ad7c72f362a77482e412adfa4de403de3ac7f0a70667fc7f460aa95", kill_on_drop: false }`
[INFO] [stderr]     Checking unindent v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unindent.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn lines(&self) -> Split<u8, fn(&u8) -> bool>;
[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] 103 |     fn lines(&self) -> Split<'_, u8, fn(&u8) -> bool>;
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unindent.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn lines(&self) -> Split<u8, fn(&u8) -> bool> {
[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] 107 |     fn lines(&self) -> Split<'_, u8, fn(&u8) -> bool> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unindent.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn lines(&self) -> Split<u8, fn(&u8) -> bool>;
[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] 103 |     fn lines(&self) -> Split<'_, u8, fn(&u8) -> bool>;
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/unindent.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn lines(&self) -> Split<u8, fn(&u8) -> bool> {
[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] 107 |     fn lines(&self) -> Split<'_, u8, fn(&u8) -> bool> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "19a40e589ad7c72f362a77482e412adfa4de403de3ac7f0a70667fc7f460aa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a40e589ad7c72f362a77482e412adfa4de403de3ac7f0a70667fc7f460aa95", kill_on_drop: false }`
[INFO] [stdout] 19a40e589ad7c72f362a77482e412adfa4de403de3ac7f0a70667fc7f460aa95