[INFO] fetching crate mpvsock 0.2.0...
[INFO] checking mpvsock-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mpvsock 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mpvsock 0.2.0
[INFO] finished tweaking crates.io crate mpvsock 0.2.0
[INFO] tweaked toml for crates.io crate mpvsock 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpvsock 0.2.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mpvsock 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8989fcf295f6d103922e1e57be2e740823c8954c7a45f6f0953f8822c2dfbfee
[INFO] running `Command { std: "docker" "start" "-a" "8989fcf295f6d103922e1e57be2e740823c8954c7a45f6f0953f8822c2dfbfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8989fcf295f6d103922e1e57be2e740823c8954c7a45f6f0953f8822c2dfbfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8989fcf295f6d103922e1e57be2e740823c8954c7a45f6f0953f8822c2dfbfee", kill_on_drop: false }`
[INFO] [stdout] 8989fcf295f6d103922e1e57be2e740823c8954c7a45f6f0953f8822c2dfbfee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581f43a38a0b4e4bc1b28fcb930c3f198751b716350006cca2f06b9193fd1219
[INFO] running `Command { std: "docker" "start" "-a" "581f43a38a0b4e4bc1b28fcb930c3f198751b716350006cca2f06b9193fd1219", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking edwardium_logger v1.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking mpvsock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:40:82
[INFO] [stdout]    |
[INFO] [stdout] 40 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________^
[INFO] [stdout] 41 | |         let value = match data {
[INFO] [stdout] 42 | |             None => serde_json::Value::Null,
[INFO] [stdout] 43 | |             Some(value) => value
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         Ok(value)
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(value)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<P as MpvProperty>::Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:88:82
[INFO] [stdout]    |
[INFO] [stdout] 88 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________^
[INFO] [stdout] 89 | |         Ok(data)
[INFO] [stdout] 90 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<P as MpvProperty>::Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |         Ok(data)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:160:82
[INFO] [stdout]     |
[INFO] [stdout] 160 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 161 | |         Ok(data)
[INFO] [stdout] 162 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:161:3
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:180:82
[INFO] [stdout]     |
[INFO] [stdout] 180 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 181 | |         Ok(data)
[INFO] [stdout] 182 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:181:3
[INFO] [stdout]     |
[INFO] [stdout] 181 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<FileloadInfo, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:209:82
[INFO] [stdout]     |
[INFO] [stdout] 209 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 210 | |         Ok(data)
[INFO] [stdout] 211 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<FileloadInfo, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:210:3
[INFO] [stdout]     |
[INFO] [stdout] 210 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:233:82
[INFO] [stdout]     |
[INFO] [stdout] 233 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 234 | |         Ok(data)
[INFO] [stdout] 235 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:234:3
[INFO] [stdout]     |
[INFO] [stdout] 234 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:280:82
[INFO] [stdout]     |
[INFO] [stdout] 280 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 281 | |         Ok(data)
[INFO] [stdout] 282 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:281:3
[INFO] [stdout]     |
[INFO] [stdout] 281 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpvsock` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mpvsock` (lib test) due to 14 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:40:82
[INFO] [stdout]    |
[INFO] [stdout] 40 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________^
[INFO] [stdout] 41 | |         let value = match data {
[INFO] [stdout] 42 | |             None => serde_json::Value::Null,
[INFO] [stdout] 43 | |             Some(value) => value
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |         Ok(value)
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(value)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<P as MpvProperty>::Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:88:82
[INFO] [stdout]    |
[INFO] [stdout] 88 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________^
[INFO] [stdout] 89 | |         Ok(data)
[INFO] [stdout] 90 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<<P as MpvProperty>::Value, Infallible>
[INFO] [stdout]   --> src/command/commands/mod.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |         Ok(data)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:160:82
[INFO] [stdout]     |
[INFO] [stdout] 160 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 161 | |         Ok(data)
[INFO] [stdout] 162 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:161:3
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:180:82
[INFO] [stdout]     |
[INFO] [stdout] 180 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 181 | |         Ok(data)
[INFO] [stdout] 182 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:181:3
[INFO] [stdout]     |
[INFO] [stdout] 181 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<FileloadInfo, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:209:82
[INFO] [stdout]     |
[INFO] [stdout] 209 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 210 | |         Ok(data)
[INFO] [stdout] 211 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<FileloadInfo, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:210:3
[INFO] [stdout]     |
[INFO] [stdout] 210 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:233:82
[INFO] [stdout]     |
[INFO] [stdout] 233 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 234 | |         Ok(data)
[INFO] [stdout] 235 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:234:3
[INFO] [stdout]     |
[INFO] [stdout] 234 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:280:82
[INFO] [stdout]     |
[INFO] [stdout] 280 |       fn parse_data(&self, data: Self::Data) -> Result<Self::ParsedData, Self::Error> {
[INFO] [stdout]     |  _____________________________________________________________________________________^
[INFO] [stdout] 281 | |         Ok(data)
[INFO] [stdout] 282 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<()>, Infallible>
[INFO] [stdout]    --> src/command/commands/mod.rs:281:3
[INFO] [stdout]     |
[INFO] [stdout] 281 |         Ok(data)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "581f43a38a0b4e4bc1b28fcb930c3f198751b716350006cca2f06b9193fd1219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581f43a38a0b4e4bc1b28fcb930c3f198751b716350006cca2f06b9193fd1219", kill_on_drop: false }`
[INFO] [stdout] 581f43a38a0b4e4bc1b28fcb930c3f198751b716350006cca2f06b9193fd1219
