[INFO] fetching crate rn2xx3 0.2.1... [INFO] checking rn2xx3-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate rn2xx3 0.2.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate rn2xx3 0.2.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate rn2xx3 0.2.1 [INFO] tweaked toml for crates.io crate rn2xx3 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rn2xx3 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rn2xx3 0.2.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac11ccd4cb3c51df127fbd6c2927a488b568f80909ec4c2de9a00afde27b9f9f [INFO] running `Command { std: "docker" "start" "-a" "ac11ccd4cb3c51df127fbd6c2927a488b568f80909ec4c2de9a00afde27b9f9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac11ccd4cb3c51df127fbd6c2927a488b568f80909ec4c2de9a00afde27b9f9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac11ccd4cb3c51df127fbd6c2927a488b568f80909ec4c2de9a00afde27b9f9f", kill_on_drop: false }` [INFO] [stdout] ac11ccd4cb3c51df127fbd6c2927a488b568f80909ec4c2de9a00afde27b9f9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e270632eba13666770928506cb85412987dc69b1012d6a87c3fecc83d6085769 [INFO] running `Command { std: "docker" "start" "-a" "e270632eba13666770928506cb85412987dc69b1012d6a87c3fecc83d6085769", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking numtoa v0.2.4 [INFO] [stderr] Checking base16 v0.2.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking embedded-hal v0.2.6 [INFO] [stderr] Checking embedded-hal-mock v0.7.2 [INFO] [stderr] Checking rn2xx3 v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:976:9 [INFO] [stdout] | [INFO] [stdout] 976 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 980 | ) -> Result, TxError> { [INFO] [stdout] | -------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 980 | ) -> Result>, TxError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:1038:9 [INFO] [stdout] | [INFO] [stdout] 1038 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 1042 | ) -> Result, TxError> { [INFO] [stdout] | -------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 1042 | ) -> Result>, TxError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking serial v0.4.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Checking i2cdev v0.4.4 [INFO] [stderr] Checking spidev v0.4.1 [INFO] [stderr] Checking linux-embedded-hal v0.3.0 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:976:9 [INFO] [stdout] | [INFO] [stdout] 976 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 980 | ) -> Result, TxError> { [INFO] [stdout] | -------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 980 | ) -> Result>, TxError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:1038:9 [INFO] [stdout] | [INFO] [stdout] 1038 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 1042 | ) -> Result, TxError> { [INFO] [stdout] | -------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 1042 | ) -> Result>, TxError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.66s [INFO] running `Command { std: "docker" "inspect" "e270632eba13666770928506cb85412987dc69b1012d6a87c3fecc83d6085769", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e270632eba13666770928506cb85412987dc69b1012d6a87c3fecc83d6085769", kill_on_drop: false }` [INFO] [stdout] e270632eba13666770928506cb85412987dc69b1012d6a87c3fecc83d6085769