[INFO] fetching crate proto-lab 0.1.4... [INFO] checking proto-lab-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate proto-lab 0.1.4 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate proto-lab 0.1.4 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate proto-lab 0.1.4 [INFO] tweaked toml for crates.io crate proto-lab 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate proto-lab 0.1.4 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 proto-lab 0.1.4 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 09674d04bdb06fe5f620ac7b181be14b2d9e4136712ca913a8f0df68c01c9a75 [INFO] running `Command { std: "docker" "start" "-a" "09674d04bdb06fe5f620ac7b181be14b2d9e4136712ca913a8f0df68c01c9a75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09674d04bdb06fe5f620ac7b181be14b2d9e4136712ca913a8f0df68c01c9a75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09674d04bdb06fe5f620ac7b181be14b2d9e4136712ca913a8f0df68c01c9a75", kill_on_drop: false }` [INFO] [stdout] 09674d04bdb06fe5f620ac7b181be14b2d9e4136712ca913a8f0df68c01c9a75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 09b9e55f5625a3e26cf0b643ac69e6ac40fcf711f52d2b2fdcff4bdb48b509ce [INFO] running `Command { std: "docker" "start" "-a" "09b9e55f5625a3e26cf0b643ac69e6ac40fcf711f52d2b2fdcff4bdb48b509ce", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking embedded-nano-mesh v2.1.0 [INFO] [stderr] Checking proto-lab v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:59:59 [INFO] [stdout] | [INFO] [stdout] 59 | fn read_ready(&mut self) -> Result { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 60 | | Ok(self.readable()) [INFO] [stdout] 61 | | } [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/device/wireless_modem.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | Ok(self.readable()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:65:70 [INFO] [stdout] | [INFO] [stdout] 65 | fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ______________________________________________________________________^ [INFO] [stdout] 66 | | WirelessModemFake::read(&self, buf) [INFO] [stdout] 67 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | WirelessModemFake::read(&self, buf) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:71:67 [INFO] [stdout] | [INFO] [stdout] 71 | fn write(&mut self, buf: &[u8]) -> Result { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 72 | | WirelessModemFake::write(&self, buf) [INFO] [stdout] 73 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | WirelessModemFake::write(&self, buf) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:98:84 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn read(&self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ____________________________________________________________________________________^ [INFO] [stdout] 99 | | let mut count_red: usize = 0; [INFO] [stdout] 100 | | for buf_vancant_place in buf.iter_mut() { [INFO] [stdout] 101 | | if let Some(byte) = self.get_from_tx_pin() { [INFO] [stdout] ... | [INFO] [stdout] 106 | | Ok(count_red) [INFO] [stdout] 107 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | Ok(count_red) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:109:81 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn write(&self, buf: &[u8]) -> Result { [INFO] [stdout] | _________________________________________________________________________________^ [INFO] [stdout] 110 | | let mut count_written: usize = 0; [INFO] [stdout] 111 | | for b in buf { [INFO] [stdout] 112 | | self.put_to_rx_pin(*b); [INFO] [stdout] ... | [INFO] [stdout] 115 | | Ok(count_written) [INFO] [stdout] 116 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | Ok(count_written) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proto-lab` (lib) due to 10 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/device/wireless_modem.rs:59:59 [INFO] [stdout] | [INFO] [stdout] 59 | fn read_ready(&mut self) -> Result { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 60 | | Ok(self.readable()) [INFO] [stdout] 61 | | } [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/device/wireless_modem.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | Ok(self.readable()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:65:70 [INFO] [stdout] | [INFO] [stdout] 65 | fn read(&mut self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ______________________________________________________________________^ [INFO] [stdout] 66 | | WirelessModemFake::read(&self, buf) [INFO] [stdout] 67 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | WirelessModemFake::read(&self, buf) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:71:67 [INFO] [stdout] | [INFO] [stdout] 71 | fn write(&mut self, buf: &[u8]) -> Result { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 72 | | WirelessModemFake::write(&self, buf) [INFO] [stdout] 73 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | WirelessModemFake::write(&self, buf) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:98:84 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn read(&self, buf: &mut [u8]) -> Result { [INFO] [stdout] | ____________________________________________________________________________________^ [INFO] [stdout] 99 | | let mut count_red: usize = 0; [INFO] [stdout] 100 | | for buf_vancant_place in buf.iter_mut() { [INFO] [stdout] 101 | | if let Some(byte) = self.get_from_tx_pin() { [INFO] [stdout] ... | [INFO] [stdout] 106 | | Ok(count_red) [INFO] [stdout] 107 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | Ok(count_red) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:109:81 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn write(&self, buf: &[u8]) -> Result { [INFO] [stdout] | _________________________________________________________________________________^ [INFO] [stdout] 110 | | let mut count_written: usize = 0; [INFO] [stdout] 111 | | for b in buf { [INFO] [stdout] 112 | | self.put_to_rx_pin(*b); [INFO] [stdout] ... | [INFO] [stdout] 115 | | Ok(count_written) [INFO] [stdout] 116 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/device/wireless_modem.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | Ok(count_written) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proto-lab` (lib test) due to 10 previous errors [INFO] running `Command { std: "docker" "inspect" "09b9e55f5625a3e26cf0b643ac69e6ac40fcf711f52d2b2fdcff4bdb48b509ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09b9e55f5625a3e26cf0b643ac69e6ac40fcf711f52d2b2fdcff4bdb48b509ce", kill_on_drop: false }` [INFO] [stdout] 09b9e55f5625a3e26cf0b643ac69e6ac40fcf711f52d2b2fdcff4bdb48b509ce