[INFO] fetching crate cargho 0.1.7...
[INFO] checking cargho-0.1.7 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate cargho 0.1.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargho 0.1.7 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 cargho 0.1.7
[INFO] finished tweaking crates.io crate cargho 0.1.7
[INFO] tweaked toml for crates.io crate cargho 0.1.7 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 cargho_derive v0.1.6
[INFO] [stderr]   Downloaded cargho_shared v0.1.6
[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] 339ce8d96326b370f718dfbd2a6eff4599f13f861fdbf18470de2729c92251e1
[INFO] running `Command { std: "docker" "start" "-a" "339ce8d96326b370f718dfbd2a6eff4599f13f861fdbf18470de2729c92251e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339ce8d96326b370f718dfbd2a6eff4599f13f861fdbf18470de2729c92251e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339ce8d96326b370f718dfbd2a6eff4599f13f861fdbf18470de2729c92251e1", kill_on_drop: false }`
[INFO] [stdout] 339ce8d96326b370f718dfbd2a6eff4599f13f861fdbf18470de2729c92251e1
[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] 1e7b6062b21114250b202be4fd81c950032f3f04890d6f409f18e04e39ce9d3c
[INFO] running `Command { std: "docker" "start" "-a" "1e7b6062b21114250b202be4fd81c950032f3f04890d6f409f18e04e39ce9d3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling cargho_shared v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling cargho_derive v0.1.6
[INFO] [stderr]     Checking cargho v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `msg` is never read
[INFO] [stdout]    --> tests/lib.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     struct Cmd {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 179 |         msg: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cmd` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]    --> tests/lib.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |     struct TwoSwitches {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 538 |         a: bool,
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 541 |         b: bool,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TwoSwitches` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `foo` is never read
[INFO] [stdout]    --> tests/lib.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |     struct OneOption {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 557 |         foo: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OneOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sub` is never read
[INFO] [stdout]    --> tests/lib.rs:665:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |     struct HelpTopLevel {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 664 |         #[cargho(subcommand)]
[INFO] [stdout] 665 |         sub: HelpFirstSub,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HelpTopLevel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sub` is never read
[INFO] [stdout]    --> tests/lib.rs:673:9
[INFO] [stdout]     |
[INFO] [stdout] 671 |     struct HelpFirstSub {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 672 |         #[cargho(subcommand)]
[INFO] [stdout] 673 |         sub: HelpSecondSub,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HelpFirstSub` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "1e7b6062b21114250b202be4fd81c950032f3f04890d6f409f18e04e39ce9d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7b6062b21114250b202be4fd81c950032f3f04890d6f409f18e04e39ce9d3c", kill_on_drop: false }`
[INFO] [stdout] 1e7b6062b21114250b202be4fd81c950032f3f04890d6f409f18e04e39ce9d3c
[INFO] checking cargho-0.1.7 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate cargho 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cargho 0.1.7 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 cargho 0.1.7
[INFO] finished tweaking crates.io crate cargho 0.1.7
[INFO] tweaked toml for crates.io crate cargho 0.1.7 written to /workspace/builds/worker-4-tc2/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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2172e2a74d70e87b20c5c09228490942b8f56ebe5d1c05bf6b1598b54b585608
[INFO] running `Command { std: "docker" "start" "-a" "2172e2a74d70e87b20c5c09228490942b8f56ebe5d1c05bf6b1598b54b585608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2172e2a74d70e87b20c5c09228490942b8f56ebe5d1c05bf6b1598b54b585608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2172e2a74d70e87b20c5c09228490942b8f56ebe5d1c05bf6b1598b54b585608", kill_on_drop: false }`
[INFO] [stdout] 2172e2a74d70e87b20c5c09228490942b8f56ebe5d1c05bf6b1598b54b585608
[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 -Dunexpected_cfgs" "-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" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 2f84d8f6dae739a620e7d9995972171932da56de55e849da9fd121b30be535db
[INFO] running `Command { std: "docker" "start" "-a" "2f84d8f6dae739a620e7d9995972171932da56de55e849da9fd121b30be535db", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling cargho_shared v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling cargho_derive v0.1.6
[INFO] [stderr]     Checking cargho v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `msg` is never read
[INFO] [stdout]    --> tests/lib.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     struct Cmd {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 179 |         msg: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cmd` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]    --> tests/lib.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |     struct TwoSwitches {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 538 |         a: bool,
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 541 |         b: bool,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TwoSwitches` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `foo` is never read
[INFO] [stdout]    --> tests/lib.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |     struct OneOption {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 557 |         foo: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OneOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sub` is never read
[INFO] [stdout]    --> tests/lib.rs:665:9
[INFO] [stdout]     |
[INFO] [stdout] 663 |     struct HelpTopLevel {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 664 |         #[cargho(subcommand)]
[INFO] [stdout] 665 |         sub: HelpFirstSub,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HelpTopLevel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sub` is never read
[INFO] [stdout]    --> tests/lib.rs:673:9
[INFO] [stdout]     |
[INFO] [stdout] 671 |     struct HelpFirstSub {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 672 |         #[cargho(subcommand)]
[INFO] [stdout] 673 |         sub: HelpSecondSub,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HelpFirstSub` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "2f84d8f6dae739a620e7d9995972171932da56de55e849da9fd121b30be535db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f84d8f6dae739a620e7d9995972171932da56de55e849da9fd121b30be535db", kill_on_drop: false }`
[INFO] [stdout] 2f84d8f6dae739a620e7d9995972171932da56de55e849da9fd121b30be535db
