[INFO] fetching crate rmodbus 0.10.2...
[INFO] checking rmodbus-0.10.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rmodbus 0.10.2 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rmodbus 0.10.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmodbus 0.10.2
[INFO] tweaked toml for crates.io crate rmodbus 0.10.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmodbus 0.10.2 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 rmodbus 0.10.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b1d27a1925d376fd4ac696333de1c52eaacdaf85667526e85539b3f90a1af6f4
[INFO] running `Command { std: "docker" "start" "-a" "b1d27a1925d376fd4ac696333de1c52eaacdaf85667526e85539b3f90a1af6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1d27a1925d376fd4ac696333de1c52eaacdaf85667526e85539b3f90a1af6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d27a1925d376fd4ac696333de1c52eaacdaf85667526e85539b3f90a1af6f4", kill_on_drop: false }`
[INFO] [stdout] b1d27a1925d376fd4ac696333de1c52eaacdaf85667526e85539b3f90a1af6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dc1c2292cf9025f562fd891d927c1173dfeac07cd5cfd526ad6d7eb2fa8edec5
[INFO] running `Command { std: "docker" "start" "-a" "dc1c2292cf9025f562fd891d927c1173dfeac07cd5cfd526ad6d7eb2fa8edec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking rmodbus v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/server/mod.rs:241:31
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn get_external_write(&mut self) -> Result<Write, ErrorKind> {
[INFO] [stdout]     |                               ^^^^^^^^^            ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this lifetime flows to the output
[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] 241 |     pub fn get_external_write(&mut self) -> Result<Write<'_>, ErrorKind> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/server/mod.rs:437:30
[INFO] [stdout]     |
[INFO] [stdout] 437 |     pub fn get_external_read(&mut self) -> Result<Read, ErrorKind> {
[INFO] [stdout]     |                              ^^^^^^^^^            ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[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] 437 |     pub fn get_external_read(&mut self) -> Result<Read<'_>, ErrorKind> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.1.16
[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 bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/server/mod.rs:241:31
[INFO] [stdout]     |
[INFO] [stdout] 241 |     pub fn get_external_write(&mut self) -> Result<Write, ErrorKind> {
[INFO] [stdout]     |                               ^^^^^^^^^            ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this lifetime flows to the output
[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] 241 |     pub fn get_external_write(&mut self) -> Result<Write<'_>, ErrorKind> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/server/mod.rs:437:30
[INFO] [stdout]     |
[INFO] [stdout] 437 |     pub fn get_external_read(&mut self) -> Result<Read, ErrorKind> {
[INFO] [stdout]     |                              ^^^^^^^^^            ---- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this lifetime flows to the output
[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] 437 |     pub fn get_external_read(&mut self) -> Result<Read<'_>, ErrorKind> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "dc1c2292cf9025f562fd891d927c1173dfeac07cd5cfd526ad6d7eb2fa8edec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1c2292cf9025f562fd891d927c1173dfeac07cd5cfd526ad6d7eb2fa8edec5", kill_on_drop: false }`
[INFO] [stdout] dc1c2292cf9025f562fd891d927c1173dfeac07cd5cfd526ad6d7eb2fa8edec5