[INFO] fetching crate parsegen 0.1.0...
[INFO] checking parsegen-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate parsegen 0.1.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate parsegen 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexgen v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 147710b9b8a68091a4aa19c669d851abaae3f6421318d65544dfd43ccf9ecd60
[INFO] running `Command { std: "docker" "start" "-a" "147710b9b8a68091a4aa19c669d851abaae3f6421318d65544dfd43ccf9ecd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "147710b9b8a68091a4aa19c669d851abaae3f6421318d65544dfd43ccf9ecd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147710b9b8a68091a4aa19c669d851abaae3f6421318d65544dfd43ccf9ecd60", kill_on_drop: false }`
[INFO] [stdout] 147710b9b8a68091a4aa19c669d851abaae3f6421318d65544dfd43ccf9ecd60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ed3d00a8d07b2070eb4ae238eeab1a4f71829a060f8a77acede057813a7ae48
[INFO] running `Command { std: "docker" "start" "-a" "2ed3d00a8d07b2070eb4ae238eeab1a4f71829a060f8a77acede057813a7ae48", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking proc-macro2 v1.0.32
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.25s
[INFO] running `Command { std: "docker" "inspect" "2ed3d00a8d07b2070eb4ae238eeab1a4f71829a060f8a77acede057813a7ae48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed3d00a8d07b2070eb4ae238eeab1a4f71829a060f8a77acede057813a7ae48", kill_on_drop: false }`
[INFO] [stdout] 2ed3d00a8d07b2070eb4ae238eeab1a4f71829a060f8a77acede057813a7ae48