[INFO] fetching crate sermatec-ess 0.2.5...
[INFO] building sermatec-ess-0.2.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sermatec-ess 0.2.5 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sermatec-ess 0.2.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0256619f6498066db98bc00a968a8e9b50e9015e4f8b66b7f00964cac791a3be
[INFO] running `Command { std: "docker" "start" "-a" "0256619f6498066db98bc00a968a8e9b50e9015e4f8b66b7f00964cac791a3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0256619f6498066db98bc00a968a8e9b50e9015e4f8b66b7f00964cac791a3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0256619f6498066db98bc00a968a8e9b50e9015e4f8b66b7f00964cac791a3be", kill_on_drop: false }`
[INFO] [stdout] 0256619f6498066db98bc00a968a8e9b50e9015e4f8b66b7f00964cac791a3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71621a81d98db053f66fe1215693314ff74d320d80354526cb7819b3275b454d
[INFO] running `Command { std: "docker" "start" "-a" "71621a81d98db053f66fe1215693314ff74d320d80354526cb7819b3275b454d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling clap v4.4.15
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.4.0
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling rumqttc v0.23.0
[INFO] [stderr]    Compiling serde_with v3.4.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/protocol/command.rs:125:25
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn parse_answer(&self, stream: &mut TcpStream) -> Result<Vec<FieldApp>, String> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn parse_answer(&self, stream: &mut TcpStream) -> Result<Vec<FieldApp<'_>>, String> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/protocol/fieldapp.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn expand_fmt(&'a self) -> Option<&str> {
[INFO] [stdout]    |                    --                 ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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 21.99s
[INFO] running `Command { std: "docker" "inspect" "71621a81d98db053f66fe1215693314ff74d320d80354526cb7819b3275b454d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71621a81d98db053f66fe1215693314ff74d320d80354526cb7819b3275b454d", kill_on_drop: false }`
[INFO] [stdout] 71621a81d98db053f66fe1215693314ff74d320d80354526cb7819b3275b454d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96ee7c44c178b92e9ff3f7153e703e1c6af97b591f32bd8cb9191c7221625fec
[INFO] running `Command { std: "docker" "start" "-a" "96ee7c44c178b92e9ff3f7153e703e1c6af97b591f32bd8cb9191c7221625fec", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/protocol/command.rs:125:25
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn parse_answer(&self, stream: &mut TcpStream) -> Result<Vec<FieldApp>, String> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn parse_answer(&self, stream: &mut TcpStream) -> Result<Vec<FieldApp<'_>>, String> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/protocol/fieldapp.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn expand_fmt(&'a self) -> Option<&str> {
[INFO] [stdout]    |                    --                 ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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 `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "96ee7c44c178b92e9ff3f7153e703e1c6af97b591f32bd8cb9191c7221625fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ee7c44c178b92e9ff3f7153e703e1c6af97b591f32bd8cb9191c7221625fec", kill_on_drop: false }`
[INFO] [stdout] 96ee7c44c178b92e9ff3f7153e703e1c6af97b591f32bd8cb9191c7221625fec
