[INFO] cloning repository https://github.com/BlackbirdHQ/ublox-cellular-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlackbirdHQ/ublox-cellular-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackbirdHQ%2Fublox-cellular-rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackbirdHQ%2Fublox-cellular-rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f6757862e941ce9d151d28d7c292be55408606d [INFO] testing BlackbirdHQ/ublox-cellular-rs against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackbirdHQ%2Fublox-cellular-rs" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BlackbirdHQ/ublox-cellular-rs on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/BlackbirdHQ/ublox-cellular-rs [INFO] finished tweaking git repo https://github.com/BlackbirdHQ/ublox-cellular-rs [INFO] tweaked toml for git repo https://github.com/BlackbirdHQ/ublox-cellular-rs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/BlackbirdHQ/ublox-cellular-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ee3b0a553c129213840a97140560fffc3b66e9064948f55706c26fbd5a3987ca [INFO] running `"docker" "start" "-a" "ee3b0a553c129213840a97140560fffc3b66e9064948f55706c26fbd5a3987ca"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling heapless v0.5.3 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.14 [INFO] [stderr] Compiling nb v0.1.2 [INFO] [stderr] Compiling ufmt-write v0.1.0 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling embedded-hal v0.2.3 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling as-slice v0.1.3 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling ufmt-macros v0.1.1 [INFO] [stderr] Compiling serde_repr v0.1.5 [INFO] [stderr] Compiling ufmt v0.1.0 [INFO] [stderr] Compiling no-std-net v0.3.0 [INFO] [stderr] Compiling embedded-nal v0.1.0 (https://github.com/thejpster/embedded-nal#f8bb7d76) [INFO] [stderr] Compiling serde_at v0.3.0 (https://github.com/BlackbirdHQ/atat#be343ed8) [INFO] [stderr] Compiling atat_derive v0.3.0 (https://github.com/BlackbirdHQ/atat#be343ed8) [INFO] [stderr] Compiling atat v0.3.0 (https://github.com/BlackbirdHQ/atat#be343ed8) [INFO] [stderr] Compiling ublox-cellular-rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `super::types::*` [INFO] [stderr] --> src/command/dns/responses.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use super::types::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `types::*` [INFO] [stderr] --> src/command/dns/mod.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use types::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/client.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 152 | return Err(Error::_Unknown); [INFO] [stderr] | --------------------------- any code following this expression is unreachable [INFO] [stderr] 153 | [INFO] [stderr] 154 | / self.send_internal( [INFO] [stderr] 155 | | &SetDataRate { [INFO] [stderr] 156 | | rate: BaudRate::B115200, [INFO] [stderr] 157 | | }, [INFO] [stderr] 158 | | true, [INFO] [stderr] 159 | | )?; [INFO] [stderr] | |_______________^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rst` [INFO] [stderr] --> src/client.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | if let Some(ref rst) = self.config.rst_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dtr` [INFO] [stderr] --> src/client.rs:253:21 [INFO] [stderr] | [INFO] [stderr] 253 | if let Some(ref dtr) = self.config.dtr_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dtr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `enable` [INFO] [stderr] --> src/client.rs:252:30 [INFO] [stderr] | [INFO] [stderr] 252 | fn low_power_mode(&self, enable: bool) -> Result<(), atat::Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_enable` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/client.rs:318:24 [INFO] [stderr] | [INFO] [stderr] 318 | Ok(bytes) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:322:25 [INFO] [stderr] | [INFO] [stderr] 322 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:399:24 [INFO] [stderr] | [INFO] [stderr] 399 | if let Err(e) = self.handle_urcs() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write_at` [INFO] [stderr] --> src/socket/ring_buffer.rs:187:13 [INFO] [stderr] | [INFO] [stderr] 187 | let write_at = self.get_idx(self.length); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_at` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/socket/ring_buffer.rs:216:22 [INFO] [stderr] | [INFO] [stderr] 216 | let (size_1, data) = self.enqueue_many_with(|buf| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/tcp.rs:455:14 [INFO] [stderr] | [INFO] [stderr] 455 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/udp.rs:122:14 [INFO] [stderr] | [INFO] [stderr] 122 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_state` [INFO] [stderr] --> src/client.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | pub(crate) fn get_state(&self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `meta_mut` [INFO] [stderr] --> src/socket/mod.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | pub(crate) fn meta_mut(&mut self) -> &mut SocketMeta { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/socket/ring_buffer.rs:218:13 [INFO] [stderr] | [INFO] [stderr] 218 | buf.extend_from_slice(&data[..size]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `"docker" "inspect" "ee3b0a553c129213840a97140560fffc3b66e9064948f55706c26fbd5a3987ca"` [INFO] running `"docker" "rm" "-f" "ee3b0a553c129213840a97140560fffc3b66e9064948f55706c26fbd5a3987ca"` [INFO] [stdout] ee3b0a553c129213840a97140560fffc3b66e9064948f55706c26fbd5a3987ca [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b37b33f1bc66a900a1d7de9ab8b0b0a98914416490500db343e47c2b96e56ac [INFO] running `"docker" "start" "-a" "4b37b33f1bc66a900a1d7de9ab8b0b0a98914416490500db343e47c2b96e56ac"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] warning: unused import: `super::types::*` [INFO] [stderr] --> src/command/dns/responses.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use super::types::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `types::*` [INFO] [stderr] --> src/command/dns/mod.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use types::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/client.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 152 | return Err(Error::_Unknown); [INFO] [stderr] | --------------------------- any code following this expression is unreachable [INFO] [stderr] 153 | [INFO] [stderr] 154 | / self.send_internal( [INFO] [stderr] 155 | | &SetDataRate { [INFO] [stderr] 156 | | rate: BaudRate::B115200, [INFO] [stderr] 157 | | }, [INFO] [stderr] 158 | | true, [INFO] [stderr] 159 | | )?; [INFO] [stderr] | |_______________^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rst` [INFO] [stderr] --> src/client.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | if let Some(ref rst) = self.config.rst_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dtr` [INFO] [stderr] --> src/client.rs:253:21 [INFO] [stderr] | [INFO] [stderr] 253 | if let Some(ref dtr) = self.config.dtr_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dtr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `enable` [INFO] [stderr] --> src/client.rs:252:30 [INFO] [stderr] | [INFO] [stderr] 252 | fn low_power_mode(&self, enable: bool) -> Result<(), atat::Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_enable` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/client.rs:318:24 [INFO] [stderr] | [INFO] [stderr] 318 | Ok(bytes) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:322:25 [INFO] [stderr] | [INFO] [stderr] 322 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:399:24 [INFO] [stderr] | [INFO] [stderr] 399 | if let Err(e) = self.handle_urcs() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write_at` [INFO] [stderr] --> src/socket/ring_buffer.rs:187:13 [INFO] [stderr] | [INFO] [stderr] 187 | let write_at = self.get_idx(self.length); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_at` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/socket/ring_buffer.rs:216:22 [INFO] [stderr] | [INFO] [stderr] 216 | let (size_1, data) = self.enqueue_many_with(|buf| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/tcp.rs:455:14 [INFO] [stderr] | [INFO] [stderr] 455 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/udp.rs:122:14 [INFO] [stderr] | [INFO] [stderr] 122 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_state` [INFO] [stderr] --> src/client.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | pub(crate) fn get_state(&self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `meta_mut` [INFO] [stderr] --> src/socket/mod.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | pub(crate) fn meta_mut(&mut self) -> &mut SocketMeta { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/socket/ring_buffer.rs:218:13 [INFO] [stderr] | [INFO] [stderr] 218 | buf.extend_from_slice(&data[..size]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling mqttrs v0.3.0 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling mqttrust v0.0.1 (https://github.com/BlackbirdHQ/mqttrust#0355a75f) [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling serial-unix v0.4.0 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling sysfs_gpio v0.5.4 [INFO] [stderr] Compiling spidev v0.4.0 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling serialport v3.3.0 [INFO] [stderr] Compiling linux-embedded-hal v0.3.0 [INFO] [stderr] Compiling ublox-cellular-rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `publish` [INFO] [stderr] --> examples/linux_mqtt.rs:154:42 [INFO] [stderr] | [INFO] [stderr] 154 | Ok(Notification::Publish(publish)) => { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_publish` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `wrote` [INFO] [stderr] --> examples/linux.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | let wrote = as TcpStack>::write( [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_wrote` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::types::*` [INFO] [stderr] --> src/command/dns/responses.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use super::types::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `types::*` [INFO] [stderr] --> src/command/dns/mod.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use types::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/client.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 152 | return Err(Error::_Unknown); [INFO] [stderr] | --------------------------- any code following this expression is unreachable [INFO] [stderr] 153 | [INFO] [stderr] 154 | / self.send_internal( [INFO] [stderr] 155 | | &SetDataRate { [INFO] [stderr] 156 | | rate: BaudRate::B115200, [INFO] [stderr] 157 | | }, [INFO] [stderr] 158 | | true, [INFO] [stderr] 159 | | )?; [INFO] [stderr] | |_______________^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rst` [INFO] [stderr] --> src/client.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | if let Some(ref rst) = self.config.rst_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dtr` [INFO] [stderr] --> src/client.rs:253:21 [INFO] [stderr] | [INFO] [stderr] 253 | if let Some(ref dtr) = self.config.dtr_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dtr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `enable` [INFO] [stderr] --> src/client.rs:252:30 [INFO] [stderr] | [INFO] [stderr] 252 | fn low_power_mode(&self, enable: bool) -> Result<(), atat::Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_enable` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/client.rs:318:24 [INFO] [stderr] | [INFO] [stderr] 318 | Ok(bytes) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:322:25 [INFO] [stderr] | [INFO] [stderr] 322 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:399:24 [INFO] [stderr] | [INFO] [stderr] 399 | if let Err(e) = self.handle_urcs() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write_at` [INFO] [stderr] --> src/socket/ring_buffer.rs:187:13 [INFO] [stderr] | [INFO] [stderr] 187 | let write_at = self.get_idx(self.length); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_at` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/socket/ring_buffer.rs:216:22 [INFO] [stderr] | [INFO] [stderr] 216 | let (size_1, data) = self.enqueue_many_with(|buf| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/tcp.rs:455:14 [INFO] [stderr] | [INFO] [stderr] 455 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/udp.rs:122:14 [INFO] [stderr] | [INFO] [stderr] 122 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_state` [INFO] [stderr] --> src/client.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | pub(crate) fn get_state(&self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `meta_mut` [INFO] [stderr] --> src/socket/mod.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | pub(crate) fn meta_mut(&mut self) -> &mut SocketMeta { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/socket/ring_buffer.rs:218:13 [INFO] [stderr] | [INFO] [stderr] 218 | buf.extend_from_slice(&data[..size]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 42.13s [INFO] running `"docker" "inspect" "4b37b33f1bc66a900a1d7de9ab8b0b0a98914416490500db343e47c2b96e56ac"` [INFO] running `"docker" "rm" "-f" "4b37b33f1bc66a900a1d7de9ab8b0b0a98914416490500db343e47c2b96e56ac"` [INFO] [stdout] 4b37b33f1bc66a900a1d7de9ab8b0b0a98914416490500db343e47c2b96e56ac [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 991a557939aacf817856952f2b69f42406ecca382726111caf7809c8322066eb [INFO] running `"docker" "start" "-a" "991a557939aacf817856952f2b69f42406ecca382726111caf7809c8322066eb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `super::types::*` [INFO] [stderr] --> src/command/dns/responses.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use super::types::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `types::*` [INFO] [stderr] --> src/command/dns/mod.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use types::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/client.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 152 | return Err(Error::_Unknown); [INFO] [stderr] | --------------------------- any code following this expression is unreachable [INFO] [stderr] 153 | [INFO] [stderr] 154 | / self.send_internal( [INFO] [stderr] 155 | | &SetDataRate { [INFO] [stderr] 156 | | rate: BaudRate::B115200, [INFO] [stderr] 157 | | }, [INFO] [stderr] 158 | | true, [INFO] [stderr] 159 | | )?; [INFO] [stderr] | |_______________^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rst` [INFO] [stderr] --> src/client.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | if let Some(ref rst) = self.config.rst_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dtr` [INFO] [stderr] --> src/client.rs:253:21 [INFO] [stderr] | [INFO] [stderr] 253 | if let Some(ref dtr) = self.config.dtr_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dtr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `enable` [INFO] [stderr] --> src/client.rs:252:30 [INFO] [stderr] | [INFO] [stderr] 252 | fn low_power_mode(&self, enable: bool) -> Result<(), atat::Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_enable` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/client.rs:318:24 [INFO] [stderr] | [INFO] [stderr] 318 | Ok(bytes) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:322:25 [INFO] [stderr] | [INFO] [stderr] 322 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:399:24 [INFO] [stderr] | [INFO] [stderr] 399 | if let Err(e) = self.handle_urcs() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write_at` [INFO] [stderr] --> src/socket/ring_buffer.rs:187:13 [INFO] [stderr] | [INFO] [stderr] 187 | let write_at = self.get_idx(self.length); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_at` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/socket/ring_buffer.rs:216:22 [INFO] [stderr] | [INFO] [stderr] 216 | let (size_1, data) = self.enqueue_many_with(|buf| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/tcp.rs:455:14 [INFO] [stderr] | [INFO] [stderr] 455 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/udp.rs:122:14 [INFO] [stderr] | [INFO] [stderr] 122 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_state` [INFO] [stderr] --> src/client.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | pub(crate) fn get_state(&self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `meta_mut` [INFO] [stderr] --> src/socket/mod.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | pub(crate) fn meta_mut(&mut self) -> &mut SocketMeta { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/socket/ring_buffer.rs:218:13 [INFO] [stderr] | [INFO] [stderr] 218 | buf.extend_from_slice(&data[..size]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::types::*` [INFO] [stderr] --> src/command/dns/responses.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use super::types::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `types::*` [INFO] [stderr] --> src/command/dns/mod.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use types::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `wrote` [INFO] [stderr] --> examples/linux.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | let wrote = as TcpStack>::write( [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_wrote` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/client.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 152 | return Err(Error::_Unknown); [INFO] [stderr] | --------------------------- any code following this expression is unreachable [INFO] [stderr] 153 | [INFO] [stderr] 154 | / self.send_internal( [INFO] [stderr] 155 | | &SetDataRate { [INFO] [stderr] 156 | | rate: BaudRate::B115200, [INFO] [stderr] 157 | | }, [INFO] [stderr] 158 | | true, [INFO] [stderr] 159 | | )?; [INFO] [stderr] | |_______________^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rst` [INFO] [stderr] --> src/client.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | if let Some(ref rst) = self.config.rst_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dtr` [INFO] [stderr] --> src/client.rs:253:21 [INFO] [stderr] | [INFO] [stderr] 253 | if let Some(ref dtr) = self.config.dtr_pin { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dtr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `enable` [INFO] [stderr] --> src/client.rs:252:30 [INFO] [stderr] | [INFO] [stderr] 252 | fn low_power_mode(&self, enable: bool) -> Result<(), atat::Error> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_enable` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bytes` [INFO] [stderr] --> src/client.rs:318:24 [INFO] [stderr] | [INFO] [stderr] 318 | Ok(bytes) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:322:25 [INFO] [stderr] | [INFO] [stderr] 322 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:399:24 [INFO] [stderr] | [INFO] [stderr] 399 | if let Err(e) = self.handle_urcs() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write_at` [INFO] [stderr] --> src/socket/ring_buffer.rs:187:13 [INFO] [stderr] | [INFO] [stderr] 187 | let write_at = self.get_idx(self.length); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_at` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/socket/ring_buffer.rs:216:22 [INFO] [stderr] | [INFO] [stderr] 216 | let (size_1, data) = self.enqueue_many_with(|buf| { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/tcp.rs:455:14 [INFO] [stderr] | [INFO] [stderr] 455 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/socket/udp.rs:122:14 [INFO] [stderr] | [INFO] [stderr] 122 | let (size, result) = f(&mut self.rx_buffer); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_state` [INFO] [stderr] --> src/client.rs:125:5 [INFO] [stderr] | [INFO] [stderr] 125 | pub(crate) fn get_state(&self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `meta_mut` [INFO] [stderr] --> src/socket/mod.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | pub(crate) fn meta_mut(&mut self) -> &mut SocketMeta { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `core::result::Result` that must be used [INFO] [stderr] --> src/socket/ring_buffer.rs:218:13 [INFO] [stderr] | [INFO] [stderr] 218 | buf.extend_from_slice(&data[..size]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `publish` [INFO] [stderr] --> examples/linux_mqtt.rs:154:42 [INFO] [stderr] | [INFO] [stderr] 154 | Ok(Notification::Publish(publish)) => { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_publish` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ublox_cellular-7637ec8c70f82105 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test command::device_lock::impl_::test::serialize_pin_status ... ok [INFO] [stdout] test command::device_lock::impl_::test::deserialize_pin_status ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "991a557939aacf817856952f2b69f42406ecca382726111caf7809c8322066eb"` [INFO] running `"docker" "rm" "-f" "991a557939aacf817856952f2b69f42406ecca382726111caf7809c8322066eb"` [INFO] [stdout] 991a557939aacf817856952f2b69f42406ecca382726111caf7809c8322066eb