[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 [INFO] [stdout] --> src/command/commands/mod.rs:40:82 [INFO] [stdout] | [INFO] [stdout] 40 | fn parse_data(&self, data: Self::Data) -> Result { [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 [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<

::Value, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:88:82 [INFO] [stdout] | [INFO] [stdout] 88 | fn parse_data(&self, data: Self::Data) -> Result { [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<

::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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:160:82 [INFO] [stdout] | [INFO] [stdout] 160 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:180:82 [INFO] [stdout] | [INFO] [stdout] 180 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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 [INFO] [stdout] --> src/command/commands/mod.rs:209:82 [INFO] [stdout] | [INFO] [stdout] 209 | fn parse_data(&self, data: Self::Data) -> Result { [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 [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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:233:82 [INFO] [stdout] | [INFO] [stdout] 233 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:280:82 [INFO] [stdout] | [INFO] [stdout] 280 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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 [INFO] [stdout] --> src/command/commands/mod.rs:40:82 [INFO] [stdout] | [INFO] [stdout] 40 | fn parse_data(&self, data: Self::Data) -> Result { [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 [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<

::Value, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:88:82 [INFO] [stdout] | [INFO] [stdout] 88 | fn parse_data(&self, data: Self::Data) -> Result { [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<

::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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:160:82 [INFO] [stdout] | [INFO] [stdout] 160 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:180:82 [INFO] [stdout] | [INFO] [stdout] 180 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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 [INFO] [stdout] --> src/command/commands/mod.rs:209:82 [INFO] [stdout] | [INFO] [stdout] 209 | fn parse_data(&self, data: Self::Data) -> Result { [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 [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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:233:82 [INFO] [stdout] | [INFO] [stdout] 233 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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, Infallible> [INFO] [stdout] --> src/command/commands/mod.rs:280:82 [INFO] [stdout] | [INFO] [stdout] 280 | fn parse_data(&self, data: Self::Data) -> Result { [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, 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