[INFO] fetching crate ukhasnet-parser 0.4.0...
[INFO] checking ukhasnet-parser-0.4.0 against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] extracting crate ukhasnet-parser 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ukhasnet-parser 0.4.0 on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ukhasnet-parser 0.4.0
[INFO] finished tweaking crates.io crate ukhasnet-parser 0.4.0
[INFO] tweaked toml for crates.io crate ukhasnet-parser 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cd6e89db272ffd51891d7a612d120703554fe5d944531f1bca201c6befd8e1d
[INFO] running `Command { std: "docker" "start" "-a" "0cd6e89db272ffd51891d7a612d120703554fe5d944531f1bca201c6befd8e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cd6e89db272ffd51891d7a612d120703554fe5d944531f1bca201c6befd8e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd6e89db272ffd51891d7a612d120703554fe5d944531f1bca201c6befd8e1d", kill_on_drop: false }`
[INFO] [stdout] 0cd6e89db272ffd51891d7a612d120703554fe5d944531f1bca201c6befd8e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758c00fde1ad0207b22891570fc65fd8c91b9206f43d5df23698dfb67e47129e
[INFO] running `Command { std: "docker" "start" "-a" "758c00fde1ad0207b22891570fc65fd8c91b9206f43d5df23698dfb67e47129e", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking ukhasnet-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:233:32
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn cause(&self) -> Option<&dyn error::Error> { None }
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser.rs:233:32
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn cause(&self) -> Option<&dyn error::Error> { None }
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused logical operation that must be used
[INFO] [stdout]    --> src/parser.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / impl_rdp! {
[INFO] [stdout] 7   | |     /*
[INFO] [stdout] 8   | |      * UKHASnet Packet Grammar
[INFO] [stdout] 9   | |      *
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |     }
[INFO] [stdout] 215 | | }
[INFO] [stdout]     | |_^ the logical operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `grammar` which comes from the expansion of the macro `impl_rdp` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused logical operation that must be used
[INFO] [stdout]    --> src/parser.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / impl_rdp! {
[INFO] [stdout] 7   | |     /*
[INFO] [stdout] 8   | |      * UKHASnet Packet Grammar
[INFO] [stdout] 9   | |      *
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |     }
[INFO] [stdout] 215 | | }
[INFO] [stdout]     | |_^ the logical operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `grammar` which comes from the expansion of the macro `impl_rdp` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused logical operation that must be used
[INFO] [stdout]    --> src/parser.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / impl_rdp! {
[INFO] [stdout] 7   | |     /*
[INFO] [stdout] 8   | |      * UKHASnet Packet Grammar
[INFO] [stdout] 9   | |      *
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |     }
[INFO] [stdout] 215 | | }
[INFO] [stdout]     | |_^ the logical operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `grammar` which comes from the expansion of the macro `impl_rdp` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused logical operation that must be used
[INFO] [stdout]    --> src/parser.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / impl_rdp! {
[INFO] [stdout] 7   | |     /*
[INFO] [stdout] 8   | |      * UKHASnet Packet Grammar
[INFO] [stdout] 9   | |      *
[INFO] [stdout] ...   |
[INFO] [stdout] 214 | |     }
[INFO] [stdout] 215 | | }
[INFO] [stdout]     | |_^ the logical operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `grammar` which comes from the expansion of the macro `impl_rdp` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> examples/socket_stream.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug,RustcDecodable)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `i`, `ni`, and `s` are never read
[INFO] [stdout]   --> examples/socket_stream.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct SocketMessage {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 14 |     i: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     ni: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     s: String,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SocketMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "758c00fde1ad0207b22891570fc65fd8c91b9206f43d5df23698dfb67e47129e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758c00fde1ad0207b22891570fc65fd8c91b9206f43d5df23698dfb67e47129e", kill_on_drop: false }`
[INFO] [stdout] 758c00fde1ad0207b22891570fc65fd8c91b9206f43d5df23698dfb67e47129e