[INFO] fetching crate xreflect-proc-macro 0.1.0...
[INFO] checking xreflect-proc-macro-0.1.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate xreflect-proc-macro 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate xreflect-proc-macro 0.1.0
[INFO] finished tweaking crates.io crate xreflect-proc-macro 0.1.0
[INFO] tweaked toml for crates.io crate xreflect-proc-macro 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xreflect-proc-macro 0.1.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12df32d8159d8b2b45106a9a1fc1153c47216a5b7de2a2b4b90419878191a9c4
[INFO] running `Command { std: "docker" "start" "-a" "12df32d8159d8b2b45106a9a1fc1153c47216a5b7de2a2b4b90419878191a9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12df32d8159d8b2b45106a9a1fc1153c47216a5b7de2a2b4b90419878191a9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12df32d8159d8b2b45106a9a1fc1153c47216a5b7de2a2b4b90419878191a9c4", kill_on_drop: false }`
[INFO] [stdout] 12df32d8159d8b2b45106a9a1fc1153c47216a5b7de2a2b4b90419878191a9c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 839edf1376fa53a1e30b0c857eafc6a37185ed6465c72c4c8d3c880ba26c9106
[INFO] running `Command { std: "docker" "start" "-a" "839edf1376fa53a1e30b0c857eafc6a37185ed6465c72c4c8d3c880ba26c9106", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.117
[INFO] [stderr]     Checking xreflect-core v0.1.0
[INFO] [stderr]     Checking xreflect-proc-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `generics` is never read
[INFO] [stdout]  --> src/wrapper_types.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct EnumData {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] 7 |     pub name: String,
[INFO] [stdout] 8 |     pub generics: Vec<GenericType>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `field_names` is never used
[INFO] [stdout]    --> src/wrapper_types.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl StructType {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn field_names(&self) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generics` is never read
[INFO] [stdout]    --> src/wrapper_types.rs:210:6
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub(crate) struct StructData {
[INFO] [stdout]     |                   ---------- field in this struct
[INFO] [stdout] 209 |     pub name: String,
[INFO] [stdout] 210 |     pub generics: Vec<GenericType>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/wrapper_types.rs:312:3
[INFO] [stdout]     |
[INFO] [stdout] 311 |     Lifetime {
[INFO] [stdout]     |     -------- field in this variant
[INFO] [stdout] 312 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `const_type` are never read
[INFO] [stdout]    --> src/wrapper_types.rs:320:3
[INFO] [stdout]     |
[INFO] [stdout] 319 |     Const {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 320 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 321 |         const_type: Type,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Type` is never constructed
[INFO] [stdout]    --> src/wrapper_types.rs:315:2
[INFO] [stdout]     |
[INFO] [stdout] 310 | pub(crate) enum GenericType {
[INFO] [stdout]     |                 ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 315 |     Type {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generics` is never read
[INFO] [stdout]  --> src/wrapper_types.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct EnumData {
[INFO] [stdout]   |                   -------- field in this struct
[INFO] [stdout] 7 |     pub name: String,
[INFO] [stdout] 8 |     pub generics: Vec<GenericType>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `field_names` is never used
[INFO] [stdout]    --> src/wrapper_types.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl StructType {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn field_names(&self) -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generics` is never read
[INFO] [stdout]    --> src/wrapper_types.rs:210:6
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub(crate) struct StructData {
[INFO] [stdout]     |                   ---------- field in this struct
[INFO] [stdout] 209 |     pub name: String,
[INFO] [stdout] 210 |     pub generics: Vec<GenericType>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/wrapper_types.rs:312:3
[INFO] [stdout]     |
[INFO] [stdout] 311 |     Lifetime {
[INFO] [stdout]     |     -------- field in this variant
[INFO] [stdout] 312 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `const_type` are never read
[INFO] [stdout]    --> src/wrapper_types.rs:320:3
[INFO] [stdout]     |
[INFO] [stdout] 319 |     Const {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 320 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 321 |         const_type: Type,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Type` is never constructed
[INFO] [stdout]    --> src/wrapper_types.rs:315:2
[INFO] [stdout]     |
[INFO] [stdout] 310 | pub(crate) enum GenericType {
[INFO] [stdout]     |                 ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 315 |     Type {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "839edf1376fa53a1e30b0c857eafc6a37185ed6465c72c4c8d3c880ba26c9106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839edf1376fa53a1e30b0c857eafc6a37185ed6465c72c4c8d3c880ba26c9106", kill_on_drop: false }`
[INFO] [stdout] 839edf1376fa53a1e30b0c857eafc6a37185ed6465c72c4c8d3c880ba26c9106