[INFO] fetching crate autograph 0.1.0...
[INFO] checking autograph-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate autograph 0.1.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate autograph 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 autograph 0.1.0
[INFO] finished tweaking crates.io crate autograph 0.1.0
[INFO] tweaked toml for crates.io crate autograph 0.1.0 written to /workspace/builds/worker-91/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 }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] fce16c81f2f9373757e276a103aef23eb16e61db5af37293cff222af629527dd
[INFO] running `Command { std: "docker" "start" "-a" "fce16c81f2f9373757e276a103aef23eb16e61db5af37293cff222af629527dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fce16c81f2f9373757e276a103aef23eb16e61db5af37293cff222af629527dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce16c81f2f9373757e276a103aef23eb16e61db5af37293cff222af629527dd", kill_on_drop: false }`
[INFO] [stdout] fce16c81f2f9373757e276a103aef23eb16e61db5af37293cff222af629527dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 0a0e9bf3e24fb0225be13f8aa76222a7c90f5d33160159a2ccef664553fa545d
[INFO] running `Command { std: "docker" "start" "-a" "0a0e9bf3e24fb0225be13f8aa76222a7c90f5d33160159a2ccef664553fa545d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
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[INFO] [stderr]    Compiling scopeguard v1.1.0
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[INFO] [stderr]     Checking futures-io v0.3.18
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[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling derive_more v0.99.16
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[INFO] [stderr]     Checking gfx-hal v0.9.0
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling autograph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gfx-backend-vulkan v0.9.0
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]     --> src/device/engine.rs:1022:5
[INFO] [stdout]      |
[INFO] [stdout] 1022 |     index: usize,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]     --> src/device/engine.rs:1377:5
[INFO] [stdout]      |
[INFO] [stdout] 1377 |     context: Arc<Context<B>>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vendor`
[INFO] [stdout]    --> src/device.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     vendor: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device`
[INFO] [stdout]    --> src/device.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     device: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]     --> src/device/engine.rs:1022:5
[INFO] [stdout]      |
[INFO] [stdout] 1022 |     index: usize,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]     --> src/device/engine.rs:1377:5
[INFO] [stdout]      |
[INFO] [stdout] 1377 |     context: Arc<Context<B>>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vendor`
[INFO] [stdout]    --> src/device.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     vendor: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device`
[INFO] [stdout]    --> src/device.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     device: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.87s
[INFO] running `Command { std: "docker" "inspect" "0a0e9bf3e24fb0225be13f8aa76222a7c90f5d33160159a2ccef664553fa545d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0e9bf3e24fb0225be13f8aa76222a7c90f5d33160159a2ccef664553fa545d", kill_on_drop: false }`
[INFO] [stdout] 0a0e9bf3e24fb0225be13f8aa76222a7c90f5d33160159a2ccef664553fa545d