[INFO] fetching crate currawong_core 0.5.0...
[INFO] checking currawong_core-0.5.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate currawong_core 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate currawong_core 0.5.0
[INFO] finished tweaking crates.io crate currawong_core 0.5.0
[INFO] tweaked toml for crates.io crate currawong_core 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate currawong_core 0.5.0 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 30 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.3)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[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-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] ab1a4e9e51e03863b3b42accc22d634ec6b12539f3ca88fae321cd634fed6fe6
[INFO] running `Command { std: "docker" "start" "-a" "ab1a4e9e51e03863b3b42accc22d634ec6b12539f3ca88fae321cd634fed6fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab1a4e9e51e03863b3b42accc22d634ec6b12539f3ca88fae321cd634fed6fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1a4e9e51e03863b3b42accc22d634ec6b12539f3ca88fae321cd634fed6fe6", kill_on_drop: false }`
[INFO] [stdout] ab1a4e9e51e03863b3b42accc22d634ec6b12539f3ca88fae321cd634fed6fe6
[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] f961532d61ecc5f0b87f615714070a8e309bc0a4baed0094a35bc2f15205a97d
[INFO] running `Command { std: "docker" "start" "-a" "f961532d61ecc5f0b87f615714070a8e309bc0a4baed0094a35bc2f15205a97d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]     Checking currawong_core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/builder.rs:736:28
[INFO] [stdout]     |
[INFO] [stdout] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder {
[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] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/builder.rs:736:28
[INFO] [stdout]     |
[INFO] [stdout] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder {
[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] 736 |     pub fn sampler(sample: &Sample) -> SamplerBuilder<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "f961532d61ecc5f0b87f615714070a8e309bc0a4baed0094a35bc2f15205a97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f961532d61ecc5f0b87f615714070a8e309bc0a4baed0094a35bc2f15205a97d", kill_on_drop: false }`
[INFO] [stdout] f961532d61ecc5f0b87f615714070a8e309bc0a4baed0094a35bc2f15205a97d