[INFO] fetching crate smoltcp 0.12.0... [INFO] checking smoltcp-0.12.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate smoltcp 0.12.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate smoltcp 0.12.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate smoltcp 0.12.0 [INFO] tweaked toml for crates.io crate smoltcp 0.12.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate smoltcp 0.12.0 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 smoltcp 0.12.0 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-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] d664a6b56cc38e4fb12f53ebb22b99679e14019a1a861a7ae99b6c943395934a [INFO] running `Command { std: "docker" "start" "-a" "d664a6b56cc38e4fb12f53ebb22b99679e14019a1a861a7ae99b6c943395934a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d664a6b56cc38e4fb12f53ebb22b99679e14019a1a861a7ae99b6c943395934a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d664a6b56cc38e4fb12f53ebb22b99679e14019a1a861a7ae99b6c943395934a", kill_on_drop: false }` [INFO] [stdout] d664a6b56cc38e4fb12f53ebb22b99679e14019a1a861a7ae99b6c943395934a [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] 0d2885aec3fe8ce648113b9f9c29cae4c62fa553923192135a39f5fdf7e7fcab [INFO] running `Command { std: "docker" "start" "-a" "0d2885aec3fe8ce648113b9f9c29cae4c62fa553923192135a39f5fdf7e7fcab", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling semver v1.0.21 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling smoltcp v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling rstest_macros v0.17.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking is-terminal v0.4.11 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/socket/dhcpv4.rs:733:17 [INFO] [stdout] | [INFO] [stdout] 733 | pub fn poll(&mut self) -> Option { [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] 733 | pub fn poll(&mut self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/storage/assembler.rs:330:22 [INFO] [stdout] | [INFO] [stdout] 330 | pub fn iter_data(&self, first_offset: usize) -> AssemblerIter { [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] 330 | pub fn iter_data(&self, first_offset: usize) -> AssemblerIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/wire/sixlowpan/iphc.rs:221:21 [INFO] [stdout] | [INFO] [stdout] 221 | pub fn src_addr(&self) -> Result { [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] 221 | pub fn src_addr(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/wire/sixlowpan/iphc.rs:278:21 [INFO] [stdout] | [INFO] [stdout] 278 | pub fn dst_addr(&self) -> Result { [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] 278 | pub fn dst_addr(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rstest v0.17.0 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/socket/dhcpv4.rs:733:17 [INFO] [stdout] | [INFO] [stdout] 733 | pub fn poll(&mut self) -> Option { [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] 733 | pub fn poll(&mut self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/storage/assembler.rs:330:22 [INFO] [stdout] | [INFO] [stdout] 330 | pub fn iter_data(&self, first_offset: usize) -> AssemblerIter { [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] 330 | pub fn iter_data(&self, first_offset: usize) -> AssemblerIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/wire/sixlowpan/iphc.rs:221:21 [INFO] [stdout] | [INFO] [stdout] 221 | pub fn src_addr(&self) -> Result { [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] 221 | pub fn src_addr(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/wire/sixlowpan/iphc.rs:278:21 [INFO] [stdout] | [INFO] [stdout] 278 | pub fn dst_addr(&self) -> Result { [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] 278 | pub fn dst_addr(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.04s [INFO] running `Command { std: "docker" "inspect" "0d2885aec3fe8ce648113b9f9c29cae4c62fa553923192135a39f5fdf7e7fcab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d2885aec3fe8ce648113b9f9c29cae4c62fa553923192135a39f5fdf7e7fcab", kill_on_drop: false }` [INFO] [stdout] 0d2885aec3fe8ce648113b9f9c29cae4c62fa553923192135a39f5fdf7e7fcab