[INFO] fetching crate binread_derive 2.1.0...
[INFO] checking binread_derive-2.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate binread_derive 2.1.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate binread_derive 2.1.0 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 binread_derive 2.1.0
[INFO] finished tweaking crates.io crate binread_derive 2.1.0
[INFO] tweaked toml for crates.io crate binread_derive 2.1.0 written to /workspace/builds/worker-97/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] a8fc1f2db815e49172b556a88c023e08c3bbc3525fe4abc457850b3a5d88ad09
[INFO] running `Command { std: "docker" "start" "-a" "a8fc1f2db815e49172b556a88c023e08c3bbc3525fe4abc457850b3a5d88ad09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8fc1f2db815e49172b556a88c023e08c3bbc3525fe4abc457850b3a5d88ad09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8fc1f2db815e49172b556a88c023e08c3bbc3525fe4abc457850b3a5d88ad09", kill_on_drop: false }`
[INFO] [stdout] a8fc1f2db815e49172b556a88c023e08c3bbc3525fe4abc457850b3a5d88ad09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 50cf18a381ed1903504ca0cb66a244ecabf50343382c128d8b1acc3bb8fc7140
[INFO] running `Command { std: "docker" "start" "-a" "50cf18a381ed1903504ca0cb66a244ecabf50343382c128d8b1acc3bb8fc7140", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking runtime-macros-derive v0.4.0
[INFO] [stderr]     Checking binread_derive v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parens`
[INFO] [stdout]   --> src/parser/meta_types.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub(crate) parens: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colon_token`
[INFO] [stdout]    --> src/parser/meta_types.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub(crate) colon_token: Token![:],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parens`
[INFO] [stdout]   --> src/parser/meta_types.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub(crate) parens: token::Paren,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colon_token`
[INFO] [stdout]    --> src/parser/meta_types.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub(crate) colon_token: Token![:],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
[INFO] running `Command { std: "docker" "inspect" "50cf18a381ed1903504ca0cb66a244ecabf50343382c128d8b1acc3bb8fc7140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cf18a381ed1903504ca0cb66a244ecabf50343382c128d8b1acc3bb8fc7140", kill_on_drop: false }`
[INFO] [stdout] 50cf18a381ed1903504ca0cb66a244ecabf50343382c128d8b1acc3bb8fc7140