[INFO] fetching crate parsegen 0.1.0...
[INFO] checking parsegen-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate parsegen 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate parsegen 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea108b1c747f7db6e79351f1df9e5995e5586debc7eb588ff691e0328a5fc4c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea108b1c747f7db6e79351f1df9e5995e5586debc7eb588ff691e0328a5fc4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea108b1c747f7db6e79351f1df9e5995e5586debc7eb588ff691e0328a5fc4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea108b1c747f7db6e79351f1df9e5995e5586debc7eb588ff691e0328a5fc4c6", kill_on_drop: false }`
[INFO] [stdout] ea108b1c747f7db6e79351f1df9e5995e5586debc7eb588ff691e0328a5fc4c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5a15698c02c56b07e1de515a095bb11683e53d36789b87fe7d99fa13fdfd5c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a5a15698c02c56b07e1de515a095bb11683e53d36789b87fe7d99fa13fdfd5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.76
[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 15.88s
[INFO] running `Command { std: "docker" "inspect" "7a5a15698c02c56b07e1de515a095bb11683e53d36789b87fe7d99fa13fdfd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5a15698c02c56b07e1de515a095bb11683e53d36789b87fe7d99fa13fdfd5c", kill_on_drop: false }`
[INFO] [stdout] 7a5a15698c02c56b07e1de515a095bb11683e53d36789b87fe7d99fa13fdfd5c