[INFO] fetching crate progression 0.1.15...
[INFO] checking progression-0.1.15 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate progression 0.1.15 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate progression 0.1.15
[INFO] finished tweaking crates.io crate progression 0.1.15
[INFO] tweaked toml for crates.io crate progression 0.1.15 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate progression 0.1.15 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 progression 0.1.15 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4840aa02f001f526521a9fe1612233e5d7e987952172978c90a24ef778e3b250
[INFO] running `Command { std: "docker" "start" "-a" "4840aa02f001f526521a9fe1612233e5d7e987952172978c90a24ef778e3b250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4840aa02f001f526521a9fe1612233e5d7e987952172978c90a24ef778e3b250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4840aa02f001f526521a9fe1612233e5d7e987952172978c90a24ef778e3b250", kill_on_drop: false }`
[INFO] [stdout] 4840aa02f001f526521a9fe1612233e5d7e987952172978c90a24ef778e3b250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e611ba718714dc54f11836d5d5c2a5a37930807e046c28422639cb247f880cc
[INFO] running `Command { std: "docker" "start" "-a" "5e611ba718714dc54f11836d5d5c2a5a37930807e046c28422639cb247f880cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking terminal_size v0.2.3
[INFO] [stderr]     Checking progression v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:74:63
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn bar_with_config<I: ExactSizeIterator>(iter: I, config: Config) -> std::iter::Inspect<I, impl FnMut(&I::Item) + '_> {
[INFO] [stdout]    |                                                               ^^^^^^ this lifetime flows to the output                -- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn bar_with_config<I: ExactSizeIterator>(iter: I, config: Config<'_>) -> std::iter::Inspect<I, impl FnMut(&I::Item) + '_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:74:63
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn bar_with_config<I: ExactSizeIterator>(iter: I, config: Config) -> std::iter::Inspect<I, impl FnMut(&I::Item) + '_> {
[INFO] [stdout]    |                                                               ^^^^^^ this lifetime flows to the output                -- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn bar_with_config<I: ExactSizeIterator>(iter: I, config: Config<'_>) -> std::iter::Inspect<I, impl FnMut(&I::Item) + '_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "5e611ba718714dc54f11836d5d5c2a5a37930807e046c28422639cb247f880cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e611ba718714dc54f11836d5d5c2a5a37930807e046c28422639cb247f880cc", kill_on_drop: false }`
[INFO] [stdout] 5e611ba718714dc54f11836d5d5c2a5a37930807e046c28422639cb247f880cc