[INFO] fetching crate depcon 0.3.0...
[INFO] checking depcon-0.3.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate depcon 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate depcon 0.3.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate depcon 0.3.0
[INFO] finished tweaking crates.io crate depcon 0.3.0
[INFO] tweaked toml for crates.io crate depcon 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory v0.2.3
[INFO] [stderr]   Downloaded depcon_codegen v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e8e3c688b539c899dba4f39eed3ed0a523e0dc4b84809a442be813a6643f9b7
[INFO] running `Command { std: "docker" "start" "-a" "7e8e3c688b539c899dba4f39eed3ed0a523e0dc4b84809a442be813a6643f9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8e3c688b539c899dba4f39eed3ed0a523e0dc4b84809a442be813a6643f9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8e3c688b539c899dba4f39eed3ed0a523e0dc4b84809a442be813a6643f9b7", kill_on_drop: false }`
[INFO] [stdout] 7e8e3c688b539c899dba4f39eed3ed0a523e0dc4b84809a442be813a6643f9b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 065170c97d9bb67752d5e7fdb3676f500b0dae2e56026fbf996290d4f807a7b3
[INFO] running `Command { std: "docker" "start" "-a" "065170c97d9bb67752d5e7fdb3676f500b0dae2e56026fbf996290d4f807a7b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling trybuild v1.0.89
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking basic-toml v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling depcon_codegen v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking inventory v0.2.3
[INFO] [stderr]     Checking depcon v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/integration.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |     struct CycleImplA(Arc<dyn CycleB>);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CycleImplA` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 66 |     struct CycleImplA(());
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/integration.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |     struct CycleImplB(Arc<dyn CycleA>);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CycleImplB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 71 |     struct CycleImplB(());
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "065170c97d9bb67752d5e7fdb3676f500b0dae2e56026fbf996290d4f807a7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065170c97d9bb67752d5e7fdb3676f500b0dae2e56026fbf996290d4f807a7b3", kill_on_drop: false }`
[INFO] [stdout] 065170c97d9bb67752d5e7fdb3676f500b0dae2e56026fbf996290d4f807a7b3
