[INFO] fetching crate vino-codec 0.8.0...
[INFO] checking vino-codec-0.8.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate vino-codec 0.8.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate vino-codec 0.8.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vino-codec 0.8.0
[INFO] finished tweaking crates.io crate vino-codec 0.8.0
[INFO] tweaked toml for crates.io crate vino-codec 0.8.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9af0ede8e16cf7b8b336e457cba1b70b0280ddb2436c348994574d3cdf5031d
[INFO] running `Command { std: "docker" "start" "-a" "b9af0ede8e16cf7b8b336e457cba1b70b0280ddb2436c348994574d3cdf5031d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9af0ede8e16cf7b8b336e457cba1b70b0280ddb2436c348994574d3cdf5031d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9af0ede8e16cf7b8b336e457cba1b70b0280ddb2436c348994574d3cdf5031d", kill_on_drop: false }`
[INFO] [stdout] b9af0ede8e16cf7b8b336e457cba1b70b0280ddb2436c348994574d3cdf5031d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1b99753b30693a68b6d17b3c3a616478bae551cd1356bda7ec4b100ffc87314
[INFO] running `Command { std: "docker" "start" "-a" "f1b99753b30693a68b6d17b3c3a616478bae551cd1356bda7ec4b100ffc87314", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking vino-codec v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused attribute
[INFO] [stdout]    --> src/lib.rs:203:1
[INFO] [stdout]     |
[INFO] [stdout] 203 | #![allow()]
[INFO] [stdout]     | ^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   unused,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_attributes)]` implied by `#[deny(unused)]`
[INFO] [stdout]     = note: attribute `allow` with an empty list has no effect
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused attribute
[INFO] [stdout]    --> src/lib.rs:203:1
[INFO] [stdout]     |
[INFO] [stdout] 203 | #![allow()]
[INFO] [stdout]     | ^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   unused,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_attributes)]` implied by `#[deny(unused)]`
[INFO] [stdout]     = note: attribute `allow` with an empty list has no effect
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vino-codec` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f1b99753b30693a68b6d17b3c3a616478bae551cd1356bda7ec4b100ffc87314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b99753b30693a68b6d17b3c3a616478bae551cd1356bda7ec4b100ffc87314", kill_on_drop: false }`
[INFO] [stdout] f1b99753b30693a68b6d17b3c3a616478bae551cd1356bda7ec4b100ffc87314