[INFO] fetching crate stdin_parser_derive 0.1.0...
[INFO] checking stdin_parser_derive-0.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate stdin_parser_derive 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate stdin_parser_derive 0.1.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stdin_parser_derive 0.1.0
[INFO] finished tweaking crates.io crate stdin_parser_derive 0.1.0
[INFO] tweaked toml for crates.io crate stdin_parser_derive 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 695c17e4ca156c52cace23cada66ae5e6c259aa7f236083ccf02d0527129ddcc
[INFO] running `Command { std: "docker" "start" "-a" "695c17e4ca156c52cace23cada66ae5e6c259aa7f236083ccf02d0527129ddcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "695c17e4ca156c52cace23cada66ae5e6c259aa7f236083ccf02d0527129ddcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695c17e4ca156c52cace23cada66ae5e6c259aa7f236083ccf02d0527129ddcc", kill_on_drop: false }`
[INFO] [stdout] 695c17e4ca156c52cace23cada66ae5e6c259aa7f236083ccf02d0527129ddcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a0649bb50a187f9c72150a1bd3a9e2245bd7df209a57e5945a1ea2e0a7a94e
[INFO] running `Command { std: "docker" "start" "-a" "e8a0649bb50a187f9c72150a1bd3a9e2245bd7df209a57e5945a1ea2e0a7a94e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking stdin_parser v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking stdin_parser_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> examples/nested.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     a: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> examples/nested.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     a: Inner,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> examples/simple.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     a: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> examples/simple.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     b: i64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> examples/simple.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     c: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `d`
[INFO] [stdout]   --> examples/simple.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     d: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> examples/simple.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     e: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "e8a0649bb50a187f9c72150a1bd3a9e2245bd7df209a57e5945a1ea2e0a7a94e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a0649bb50a187f9c72150a1bd3a9e2245bd7df209a57e5945a1ea2e0a7a94e", kill_on_drop: false }`
[INFO] [stdout] e8a0649bb50a187f9c72150a1bd3a9e2245bd7df209a57e5945a1ea2e0a7a94e