[INFO] fetching crate cargho 0.1.7...
[INFO] checking cargho-0.1.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate cargho 0.1.7 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargho 0.1.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargho_shared v0.1.6
[INFO] [stderr]   Downloaded cargho_derive v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 565739b4a346f6f39c90f2f356f11171344171db4466015f380d36decbe5c9ed
[INFO] running `Command { std: "docker" "start" "-a" "565739b4a346f6f39c90f2f356f11171344171db4466015f380d36decbe5c9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565739b4a346f6f39c90f2f356f11171344171db4466015f380d36decbe5c9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565739b4a346f6f39c90f2f356f11171344171db4466015f380d36decbe5c9ed", kill_on_drop: false }`
[INFO] [stdout] 565739b4a346f6f39c90f2f356f11171344171db4466015f380d36decbe5c9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9540ac932b0dad9c02fd5fcd6190ff3efc7c327931f8e2e76b9b3d8c7b789221
[INFO] running `Command { std: "docker" "start" "-a" "9540ac932b0dad9c02fd5fcd6190ff3efc7c327931f8e2e76b9b3d8c7b789221", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling cargho_shared v0.1.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.40
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "9540ac932b0dad9c02fd5fcd6190ff3efc7c327931f8e2e76b9b3d8c7b789221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9540ac932b0dad9c02fd5fcd6190ff3efc7c327931f8e2e76b9b3d8c7b789221", kill_on_drop: false }`
[INFO] [stdout] 9540ac932b0dad9c02fd5fcd6190ff3efc7c327931f8e2e76b9b3d8c7b789221