[INFO] fetching crate ssbm_utils 0.4.0...
[INFO] checking ssbm_utils-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ssbm_utils 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ssbm_utils 0.4.0
[INFO] finished tweaking crates.io crate ssbm_utils 0.4.0
[INFO] tweaked toml for crates.io crate ssbm_utils 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssbm_utils 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 14 packages to latest compatible versions
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.27.1)
[INFO] [stderr]       Adding strum_macros v0.26.4 (available: v0.27.1)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 64e5651d5e09c1b4ea283d9b0b0c85b2510bdb5787a377f10e1dcaaaa7329ee7
[INFO] running `Command { std: "docker" "start" "-a" "64e5651d5e09c1b4ea283d9b0b0c85b2510bdb5787a377f10e1dcaaaa7329ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64e5651d5e09c1b4ea283d9b0b0c85b2510bdb5787a377f10e1dcaaaa7329ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e5651d5e09c1b4ea283d9b0b0c85b2510bdb5787a377f10e1dcaaaa7329ee7", kill_on_drop: false }`
[INFO] [stdout] 64e5651d5e09c1b4ea283d9b0b0c85b2510bdb5787a377f10e1dcaaaa7329ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 089cf44c2ef265bf38454d7db0b4b45966581216e6cecf811d3bb605e5cc3049
[INFO] running `Command { std: "docker" "start" "-a" "089cf44c2ef265bf38454d7db0b4b45966581216e6cecf811d3bb605e5cc3049", kill_on_drop: false }`
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking ssbm_utils v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/enums/character.rs:229:22
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn get_stats(&self) -> Attributes {
[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] 229 |     pub fn get_stats(&self) -> Attributes<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/enums/character.rs:229:22
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn get_stats(&self) -> Attributes {
[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] 229 |     pub fn get_stats(&self) -> Attributes<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "089cf44c2ef265bf38454d7db0b4b45966581216e6cecf811d3bb605e5cc3049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089cf44c2ef265bf38454d7db0b4b45966581216e6cecf811d3bb605e5cc3049", kill_on_drop: false }`
[INFO] [stdout] 089cf44c2ef265bf38454d7db0b4b45966581216e6cecf811d3bb605e5cc3049