[INFO] cloning repository https://github.com/boshtannik/embedded-nano-mesh-arduino-nano-io [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boshtannik/embedded-nano-mesh-arduino-nano-io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboshtannik%2Fembedded-nano-mesh-arduino-nano-io", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboshtannik%2Fembedded-nano-mesh-arduino-nano-io'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 028d35291d688bb3b8b166a96a71402e2434f6de [INFO] checking boshtannik/embedded-nano-mesh-arduino-nano-io against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboshtannik%2Fembedded-nano-mesh-arduino-nano-io" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/boshtannik/embedded-nano-mesh-arduino-nano-io [INFO] finished tweaking git repo https://github.com/boshtannik/embedded-nano-mesh-arduino-nano-io [INFO] tweaked toml for git repo https://github.com/boshtannik/embedded-nano-mesh-arduino-nano-io written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/boshtannik/embedded-nano-mesh-arduino-nano-io 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 git repo https://github.com/boshtannik/embedded-nano-mesh-arduino-nano-io 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6085b98e02f4d36b55a9824d55f17c5025ce7e65269b7a717bd65165587ddd55 [INFO] running `Command { std: "docker" "start" "-a" "6085b98e02f4d36b55a9824d55f17c5025ce7e65269b7a717bd65165587ddd55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6085b98e02f4d36b55a9824d55f17c5025ce7e65269b7a717bd65165587ddd55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6085b98e02f4d36b55a9824d55f17c5025ce7e65269b7a717bd65165587ddd55", kill_on_drop: false }` [INFO] [stdout] 6085b98e02f4d36b55a9824d55f17c5025ce7e65269b7a717bd65165587ddd55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b242e7b5ee1bf7dbbe06d8c4a58fd9b04689bb6072ad9a449c7ade8f28b9664a [INFO] running `Command { std: "docker" "start" "-a" "b242e7b5ee1bf7dbbe06d8c4a58fd9b04689bb6072ad9a449c7ade8f28b9664a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking ufmt-write v0.1.0 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling avr-hal-generic v0.1.0 (https://github.com/rahix/avr-hal?rev=190f2c3cb8d29e10f71119352b912369dc5a1fb7#190f2c3c) [INFO] [stderr] Checking bare-metal v1.0.0 [INFO] [stderr] Checking embedded-storage v0.2.0 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling avr-device-macros v0.5.4 [INFO] [stderr] Compiling ufmt-macros v0.2.0 [INFO] [stderr] Compiling ufmt-macros v0.3.0 [INFO] [stderr] Checking ufmt v0.1.2 [INFO] [stderr] Checking ufmt v0.2.0 [INFO] [stderr] Checking avr-device v0.5.4 [INFO] [stderr] Checking atmega-hal v0.1.0 (https://github.com/rahix/avr-hal?rev=190f2c3cb8d29e10f71119352b912369dc5a1fb7#190f2c3c) [INFO] [stderr] Checking arduino-hal v0.1.0 (https://github.com/rahix/avr-hal?rev=190f2c3cb8d29e10f71119352b912369dc5a1fb7#190f2c3c) [INFO] [stderr] Checking embedded-nano-mesh-arduino-nano-io v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:32:59 [INFO] [stdout] | [INFO] [stdout] 32 | fn read_ready(&mut self) -> Result { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 33 | | if self.inner_byte_cache.is_some() { [INFO] [stdout] 34 | | return Ok(true); [INFO] [stdout] ... | [INFO] [stdout] 44 | | } [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/lib.rs:34:20 [INFO] [stdout] | [INFO] [stdout] 34 | return Ok(true); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | / match embedded_hal::serial::Read::read(&mut self.usart) { [INFO] [stdout] 38 | | Ok(byte) => { [INFO] [stdout] 39 | | self.inner_byte_cache.replace(byte); [INFO] [stdout] 40 | | Ok(true) [INFO] [stdout] 41 | | } [INFO] [stdout] 42 | | Err(_) => Ok(false), [INFO] [stdout] 43 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:38:25 [INFO] [stdout] | [INFO] [stdout] 38 | Ok(byte) => { [INFO] [stdout] | _________________________^ [INFO] [stdout] 39 | | self.inner_byte_cache.replace(byte); [INFO] [stdout] 40 | | Ok(true) [INFO] [stdout] 41 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | Ok(true) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:42:23 [INFO] [stdout] | [INFO] [stdout] 42 | Err(_) => Ok(false), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:48:70 [INFO] [stdout] | [INFO] [stdout] 48 | fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ______________________________________________________________________^ [INFO] [stdout] 49 | | let mut red_count = usize::default(); [INFO] [stdout] 50 | | [INFO] [stdout] 51 | | for read_buf_byte in buf.iter_mut() { [INFO] [stdout] ... | [INFO] [stdout] 63 | | Ok(red_count) [INFO] [stdout] 64 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | match self.read_ready() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | Ok(red_count) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:68:67 [INFO] [stdout] | [INFO] [stdout] 68 | fn write(&mut self, buf: &[u8]) -> Result { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 69 | | let mut written_count = usize::default(); [INFO] [stdout] 70 | | for write_buf_byte in buf.iter() { [INFO] [stdout] 71 | | self.usart.write_byte(*write_buf_byte); [INFO] [stdout] ... | [INFO] [stdout] 74 | | Ok(written_count) [INFO] [stdout] 75 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | Ok(written_count) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `embedded-nano-mesh-arduino-nano-io` (lib) due to 11 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:32:59 [INFO] [stdout] | [INFO] [stdout] 32 | fn read_ready(&mut self) -> Result { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 33 | | if self.inner_byte_cache.is_some() { [INFO] [stdout] 34 | | return Ok(true); [INFO] [stdout] ... | [INFO] [stdout] 44 | | } [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/lib.rs:34:20 [INFO] [stdout] | [INFO] [stdout] 34 | return Ok(true); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | / match embedded_hal::serial::Read::read(&mut self.usart) { [INFO] [stdout] 38 | | Ok(byte) => { [INFO] [stdout] 39 | | self.inner_byte_cache.replace(byte); [INFO] [stdout] 40 | | Ok(true) [INFO] [stdout] 41 | | } [INFO] [stdout] 42 | | Err(_) => Ok(false), [INFO] [stdout] 43 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:38:25 [INFO] [stdout] | [INFO] [stdout] 38 | Ok(byte) => { [INFO] [stdout] | _________________________^ [INFO] [stdout] 39 | | self.inner_byte_cache.replace(byte); [INFO] [stdout] 40 | | Ok(true) [INFO] [stdout] 41 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | Ok(true) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:42:23 [INFO] [stdout] | [INFO] [stdout] 42 | Err(_) => Ok(false), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:48:70 [INFO] [stdout] | [INFO] [stdout] 48 | fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ______________________________________________________________________^ [INFO] [stdout] 49 | | let mut red_count = usize::default(); [INFO] [stdout] 50 | | [INFO] [stdout] 51 | | for read_buf_byte in buf.iter_mut() { [INFO] [stdout] ... | [INFO] [stdout] 63 | | Ok(red_count) [INFO] [stdout] 64 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | match self.read_ready() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | Ok(red_count) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:68:67 [INFO] [stdout] | [INFO] [stdout] 68 | fn write(&mut self, buf: &[u8]) -> Result { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 69 | | let mut written_count = usize::default(); [INFO] [stdout] 70 | | for write_buf_byte in buf.iter() { [INFO] [stdout] 71 | | self.usart.write_byte(*write_buf_byte); [INFO] [stdout] ... | [INFO] [stdout] 74 | | Ok(written_count) [INFO] [stdout] 75 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | Ok(written_count) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `embedded-nano-mesh-arduino-nano-io` (lib test) due to 11 previous errors [INFO] running `Command { std: "docker" "inspect" "b242e7b5ee1bf7dbbe06d8c4a58fd9b04689bb6072ad9a449c7ade8f28b9664a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b242e7b5ee1bf7dbbe06d8c4a58fd9b04689bb6072ad9a449c7ade8f28b9664a", kill_on_drop: false }` [INFO] [stdout] b242e7b5ee1bf7dbbe06d8c4a58fd9b04689bb6072ad9a449c7ade8f28b9664a