[INFO] cloning repository https://github.com/stevecooperorg/polymorphic-provider-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevecooperorg/polymorphic-provider-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevecooperorg%2Fpolymorphic-provider-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevecooperorg%2Fpolymorphic-provider-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ba4018c3822e1a973b44f24ee1ed2af3c74f6c7
[INFO] checking stevecooperorg/polymorphic-provider-example against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevecooperorg%2Fpolymorphic-provider-example" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevecooperorg/polymorphic-provider-example on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevecooperorg/polymorphic-provider-example
[INFO] finished tweaking git repo https://github.com/stevecooperorg/polymorphic-provider-example
[INFO] tweaked toml for git repo https://github.com/stevecooperorg/polymorphic-provider-example written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stevecooperorg/polymorphic-provider-example 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 514a3bd74aaa17bea2024539915a4f3de677a438d798e88c55e2f06ff4045623
[INFO] running `Command { std: "docker" "start" "-a" "514a3bd74aaa17bea2024539915a4f3de677a438d798e88c55e2f06ff4045623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "514a3bd74aaa17bea2024539915a4f3de677a438d798e88c55e2f06ff4045623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514a3bd74aaa17bea2024539915a4f3de677a438d798e88c55e2f06ff4045623", kill_on_drop: false }`
[INFO] [stdout] 514a3bd74aaa17bea2024539915a4f3de677a438d798e88c55e2f06ff4045623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c928f438390e0419467affeb19181dc701a6841f3bb2173a5bb393fb2ef631f4
[INFO] running `Command { std: "docker" "start" "-a" "c928f438390e0419467affeb19181dc701a6841f3bb2173a5bb393fb2ef631f4", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking provider_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `process_sse` is never used
[INFO] [stdout]   --> src/main.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | trait Provider {
[INFO] [stdout]    |       -------- method in this trait
[INFO] [stdout] 29 |     async fn get_request(&self, request: &str) -> String;
[INFO] [stdout] 30 |     async fn process_sse(&self, event: String) -> String;
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process_sse` is never used
[INFO] [stdout]   --> src/main.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | trait Provider {
[INFO] [stdout]    |       -------- method in this trait
[INFO] [stdout] 29 |     async fn get_request(&self, request: &str) -> String;
[INFO] [stdout] 30 |     async fn process_sse(&self, event: String) -> String;
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "c928f438390e0419467affeb19181dc701a6841f3bb2173a5bb393fb2ef631f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c928f438390e0419467affeb19181dc701a6841f3bb2173a5bb393fb2ef631f4", kill_on_drop: false }`
[INFO] [stdout] c928f438390e0419467affeb19181dc701a6841f3bb2173a5bb393fb2ef631f4