[INFO] fetching crate parsegen 0.1.0...
[INFO] checking parsegen-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate parsegen 0.1.0 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate parsegen 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parsegen 0.1.0
[INFO] finished tweaking crates.io crate parsegen 0.1.0
[INFO] tweaked toml for crates.io crate parsegen 0.1.0 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aea7f4083076c91c4da9e056194d5a7b44b4589f829dac2ee1e6096f276824d5
[INFO] running `Command { std: "docker" "start" "-a" "aea7f4083076c91c4da9e056194d5a7b44b4589f829dac2ee1e6096f276824d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aea7f4083076c91c4da9e056194d5a7b44b4589f829dac2ee1e6096f276824d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea7f4083076c91c4da9e056194d5a7b44b4589f829dac2ee1e6096f276824d5", kill_on_drop: false }`
[INFO] [stdout] aea7f4083076c91c4da9e056194d5a7b44b4589f829dac2ee1e6096f276824d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68d4cf499fcfcd04fc4a6cc10f2847e73e8278f5d0e8fef4aea36dbebdf9a66a
[INFO] running `Command { std: "docker" "start" "-a" "68d4cf499fcfcd04fc4a6cc10f2847e73e8278f5d0e8fef4aea36dbebdf9a66a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking parsegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `kind_type_name`
[INFO] [stdout]   --> src/terminal.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     kind_type_name: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/terminal.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ident: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/terminal.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lexgen v0.2.2
[INFO] [stdout] warning: field is never read: `kind_type_name`
[INFO] [stdout]   --> src/terminal.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     kind_type_name: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/terminal.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ident: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/terminal.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind_type_name`
[INFO] [stdout]   --> src/terminal.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     kind_type_name: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/terminal.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ident: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/terminal.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.93s
[INFO] running `Command { std: "docker" "inspect" "68d4cf499fcfcd04fc4a6cc10f2847e73e8278f5d0e8fef4aea36dbebdf9a66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d4cf499fcfcd04fc4a6cc10f2847e73e8278f5d0e8fef4aea36dbebdf9a66a", kill_on_drop: false }`
[INFO] [stdout] 68d4cf499fcfcd04fc4a6cc10f2847e73e8278f5d0e8fef4aea36dbebdf9a66a