[INFO] fetching crate sermatec-ess 0.2.5... [INFO] checking sermatec-ess-0.2.5 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate sermatec-ess 0.2.5 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate sermatec-ess 0.2.5 [INFO] finished tweaking crates.io crate sermatec-ess 0.2.5 [INFO] tweaked toml for crates.io crate sermatec-ess 0.2.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate sermatec-ess 0.2.5 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate sermatec-ess 0.2.5 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap v4.4.15 [INFO] [stderr] Downloaded clap_builder v4.4.15 [INFO] [stderr] Downloaded rumqttc v0.23.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91ad9dfbf6d20fc329049810f62e7e8ddb7881d4f9a4aa1a845b48be3bb88d7a [INFO] running `Command { std: "docker" "start" "-a" "91ad9dfbf6d20fc329049810f62e7e8ddb7881d4f9a4aa1a845b48be3bb88d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91ad9dfbf6d20fc329049810f62e7e8ddb7881d4f9a4aa1a845b48be3bb88d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91ad9dfbf6d20fc329049810f62e7e8ddb7881d4f9a4aa1a845b48be3bb88d7a", kill_on_drop: false }` [INFO] [stdout] 91ad9dfbf6d20fc329049810f62e7e8ddb7881d4f9a4aa1a845b48be3bb88d7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64918572a77c01b7b5cb64996b0dc4902fde422c3c133d0640be7e4ae8b46235 [INFO] running `Command { std: "docker" "start" "-a" "64918572a77c01b7b5cb64996b0dc4902fde422c3c133d0640be7e4ae8b46235", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking rustls-native-certs v0.6.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking clap_builder v4.4.15 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Compiling ring v0.17.7 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Compiling darling_core v0.20.3 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking clap v4.4.15 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking rustls-webpki v0.101.7 [INFO] [stderr] Compiling darling_macro v0.20.3 [INFO] [stderr] Compiling darling v0.20.3 [INFO] [stderr] Compiling serde_with_macros v3.4.0 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking rumqttc v0.23.0 [INFO] [stderr] Checking serde_with v3.4.0 [INFO] [stderr] Checking sermatec-ess v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `is_real_string_type` is never used [INFO] [stdout] --> src/protocol/fieldapp.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl<'a> FieldApp<'a> { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_real_string_type(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/protocol/command.rs:125:25 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn parse_answer(&self, stream: &mut TcpStream) -> Result, String> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------- 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] 125 | pub fn parse_answer(&self, stream: &mut TcpStream) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/protocol/fieldapp.rs:47:20 [INFO] [stdout] | [INFO] [stdout] 47 | fn expand_fmt(&'a self) -> Option<&str> { [INFO] [stdout] | ^^ ---- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 47 | fn expand_fmt(&'a self) -> Option<&'a str> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_real_string_type` is never used [INFO] [stdout] --> src/protocol/fieldapp.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl<'a> FieldApp<'a> { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_real_string_type(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/protocol/command.rs:125:25 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn parse_answer(&self, stream: &mut TcpStream) -> Result, String> { [INFO] [stdout] | ^^^^^ this lifetime flows to the output -------- 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] 125 | pub fn parse_answer(&self, stream: &mut TcpStream) -> Result>, String> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/protocol/fieldapp.rs:47:20 [INFO] [stdout] | [INFO] [stdout] 47 | fn expand_fmt(&'a self) -> Option<&str> { [INFO] [stdout] | ^^ ---- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 47 | fn expand_fmt(&'a self) -> Option<&'a str> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.15s [INFO] running `Command { std: "docker" "inspect" "64918572a77c01b7b5cb64996b0dc4902fde422c3c133d0640be7e4ae8b46235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64918572a77c01b7b5cb64996b0dc4902fde422c3c133d0640be7e4ae8b46235", kill_on_drop: false }` [INFO] [stdout] 64918572a77c01b7b5cb64996b0dc4902fde422c3c133d0640be7e4ae8b46235