[INFO] fetching crate sp-core 37.0.0...
[INFO] checking sp-core-37.0.0 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] extracting crate sp-core 37.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate sp-core 37.0.0
[INFO] finished tweaking crates.io crate sp-core 37.0.0
[INFO] tweaked toml for crates.io crate sp-core 37.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sp-core 37.0.0 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sp-core 37.0.0 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a24eaea3190315082791e41a6302a72f23e5401a2ee96fd18a63724c0a5cc8e
[INFO] running `Command { std: "docker" "start" "-a" "3a24eaea3190315082791e41a6302a72f23e5401a2ee96fd18a63724c0a5cc8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a24eaea3190315082791e41a6302a72f23e5401a2ee96fd18a63724c0a5cc8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a24eaea3190315082791e41a6302a72f23e5401a2ee96fd18a63724c0a5cc8e", kill_on_drop: false }`
[INFO] [stdout] 3a24eaea3190315082791e41a6302a72f23e5401a2ee96fd18a63724c0a5cc8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c79d073fb91bc829201ee739fd54f841902c7fb8f159cd36558c4db96d7d0be
[INFO] running `Command { std: "docker" "start" "-a" "7c79d073fb91bc829201ee739fd54f841902c7fb8f159cd36558c4db96d7d0be", kill_on_drop: false }`
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[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/traits.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>>;
[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] 61 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>>;
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/traits.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>> {
[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] 68 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/traits.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>> {
[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] 77 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/traits.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>> {
[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] 114 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/traits.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>>;
[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] 61 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>>;
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/traits.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>> {
[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] 68 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/traits.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>> {
[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] 77 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/traits.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn fetch_runtime_code(&self) -> Option<Cow<[u8]>> {
[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] 114 |     fn fetch_runtime_code(&self) -> Option<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.24s
[INFO] running `Command { std: "docker" "inspect" "7c79d073fb91bc829201ee739fd54f841902c7fb8f159cd36558c4db96d7d0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c79d073fb91bc829201ee739fd54f841902c7fb8f159cd36558c4db96d7d0be", kill_on_drop: false }`
[INFO] [stdout] 7c79d073fb91bc829201ee739fd54f841902c7fb8f159cd36558c4db96d7d0be
