[INFO] cloning repository https://github.com/SfietKonstantin/pretend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SfietKonstantin/pretend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSfietKonstantin%2Fpretend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSfietKonstantin%2Fpretend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a0d7578d3b59797a6e548562b5e7ae090168695
[INFO] checking SfietKonstantin/pretend against try#8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce for pr-112988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSfietKonstantin%2Fpretend" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SfietKonstantin/pretend on toolchain 8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SfietKonstantin/pretend
[INFO] finished tweaking git repo https://github.com/SfietKonstantin/pretend
[INFO] tweaked toml for git repo https://github.com/SfietKonstantin/pretend written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd6483ec9b19c58f2ec43a9d4d1f4cd1bb8780b912900a0fda9ab06178d89ed
[INFO] running `Command { std: "docker" "start" "-a" "5cd6483ec9b19c58f2ec43a9d4d1f4cd1bb8780b912900a0fda9ab06178d89ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd6483ec9b19c58f2ec43a9d4d1f4cd1bb8780b912900a0fda9ab06178d89ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd6483ec9b19c58f2ec43a9d4d1f4cd1bb8780b912900a0fda9ab06178d89ed", kill_on_drop: false }`
[INFO] [stdout] 5cd6483ec9b19c58f2ec43a9d4d1f4cd1bb8780b912900a0fda9ab06178d89ed
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+8fb84356ab7a0da6d9a7ed076311fd4ee15d59ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3992e974dd98d6f109ceaa1465e8a8c0a41b109d0df1f72a01b3c6cf561d18a
[INFO] running `Command { std: "docker" "start" "-a" "a3992e974dd98d6f109ceaa1465e8a8c0a41b109d0df1f72a01b3c6cf561d18a", kill_on_drop: false }`
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[INFO] [stdout] warning: field `login` is never read
[INFO] [stdout]   --> pretend/examples/responses.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Contributor {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 10 |     login: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Contributor` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message` is never read
[INFO] [stdout]   --> pretend/examples/responses.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct GithubError {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 17 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GithubError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.88s
[INFO] running `Command { std: "docker" "inspect" "a3992e974dd98d6f109ceaa1465e8a8c0a41b109d0df1f72a01b3c6cf561d18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3992e974dd98d6f109ceaa1465e8a8c0a41b109d0df1f72a01b3c6cf561d18a", kill_on_drop: false }`
[INFO] [stdout] a3992e974dd98d6f109ceaa1465e8a8c0a41b109d0df1f72a01b3c6cf561d18a