[INFO] fetching crate txtframe 0.4.0...
[INFO] checking txtframe-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate txtframe 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate txtframe 0.4.0
[INFO] finished tweaking crates.io crate txtframe 0.4.0
[INFO] tweaked toml for crates.io crate txtframe 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate txtframe 0.4.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding strip-ansi-escapes v0.1.1 (available: v0.2.1)
[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] 0552540faa1e3914d9fbfdf02a118c0189316e77dfc77de731aa23ba2e642a1c
[INFO] running `Command { std: "docker" "start" "-a" "0552540faa1e3914d9fbfdf02a118c0189316e77dfc77de731aa23ba2e642a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0552540faa1e3914d9fbfdf02a118c0189316e77dfc77de731aa23ba2e642a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0552540faa1e3914d9fbfdf02a118c0189316e77dfc77de731aa23ba2e642a1c", kill_on_drop: false }`
[INFO] [stdout] 0552540faa1e3914d9fbfdf02a118c0189316e77dfc77de731aa23ba2e642a1c
[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] 68d879ba94b05a6af1e5f82fecf46f0aed93ba6074560ce1cb9fc29ccb3c3bfb
[INFO] running `Command { std: "docker" "start" "-a" "68d879ba94b05a6af1e5f82fecf46f0aed93ba6074560ce1cb9fc29ccb3c3bfb", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]     Checking smallstr v0.3.0
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking txtframe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/txt_frame.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn frame_iter<'a>(&'a self, text: &'a str) -> impl Iterator<Item = &str> {
[INFO] [stdout]     |                            ^^              ^^                              ---- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                            |               |
[INFO] [stdout]     |                            |               these lifetimes flow to the output
[INFO] [stdout]     |                            these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn frame_iter<'a>(&'a self, text: &'a str) -> impl Iterator<Item = &'a str> {
[INFO] [stdout]     |                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/txt_frame.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn frame_iter<'a>(&'a self, text: &'a str) -> impl Iterator<Item = &str> {
[INFO] [stdout]     |                            ^^              ^^                              ---- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                            |               |
[INFO] [stdout]     |                            |               these lifetimes flow to the output
[INFO] [stdout]     |                            these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn frame_iter<'a>(&'a self, text: &'a str) -> impl Iterator<Item = &'a str> {
[INFO] [stdout]     |                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "68d879ba94b05a6af1e5f82fecf46f0aed93ba6074560ce1cb9fc29ccb3c3bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d879ba94b05a6af1e5f82fecf46f0aed93ba6074560ce1cb9fc29ccb3c3bfb", kill_on_drop: false }`
[INFO] [stdout] 68d879ba94b05a6af1e5f82fecf46f0aed93ba6074560ce1cb9fc29ccb3c3bfb