[INFO] fetching crate mlsub 0.1.0... [INFO] checking mlsub-0.1.0 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723 [INFO] extracting crate mlsub 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate mlsub 0.1.0 on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mlsub 0.1.0 [INFO] finished tweaking crates.io crate mlsub 0.1.0 [INFO] tweaked toml for crates.io crate mlsub 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 75 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.9.0 (available: v0.14.0) [INFO] [stderr] Adding proptest v0.10.1 (available: v1.7.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.1) [INFO] [stderr] Adding rand_distr v0.3.0 (available: v0.5.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded small-ord-set v0.1.3 [INFO] [stderr] Downloaded iter-set v2.0.2 [INFO] [stderr] Downloaded proptest v0.10.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2af817296315776b62f699bb300bba3e9784aad72916843c5bca8225ef0158ce [INFO] running `Command { std: "docker" "start" "-a" "2af817296315776b62f699bb300bba3e9784aad72916843c5bca8225ef0158ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2af817296315776b62f699bb300bba3e9784aad72916843c5bca8225ef0158ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2af817296315776b62f699bb300bba3e9784aad72916843c5bca8225ef0158ce", kill_on_drop: false }` [INFO] [stdout] 2af817296315776b62f699bb300bba3e9784aad72916843c5bca8225ef0158ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 883d76ddaed1db27fae462254ed68c7ec441c450aabc375f9ad5200e0b557478 [INFO] running `Command { std: "docker" "start" "-a" "883d76ddaed1db27fae462254ed68c7ec441c450aabc375f9ad5200e0b557478", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking small-ord-set v0.1.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking iter-set v2.0.2 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling im v15.1.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking sized-chunks v0.6.5 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mlsub v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking proptest v0.10.1 [INFO] [stderr] Checking rand_distr v0.3.0 [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/subsume/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 45 | unimplemented!(); [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] 46 | [INFO] [stdout] 47 | self.remove_flow(pair); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_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/auto/state/set.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn iter(&self) -> Copied> { [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] 29 | pub fn iter(&self) -> Copied> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/auto/build/polar.rs:40:35 [INFO] [stdout] | [INFO] [stdout] 40 | pub(crate) fn simple_builder(&'a mut self) -> Builder { [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] 40 | pub(crate) fn simple_builder(&'a mut self) -> Builder<'a, C, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/subsume/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 45 | unimplemented!(); [INFO] [stdout] | ---------------- any code following this expression is unreachable [INFO] [stdout] 46 | [INFO] [stdout] 47 | self.remove_flow(pair); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_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/auto/state/set.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn iter(&self) -> Copied> { [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] 29 | pub fn iter(&self) -> Copied> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/auto/build/polar.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | &'a mut self, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 33 | ) -> Builder> { [INFO] [stdout] | ---------------------------------- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 33 | ) -> Builder<'a, C, HashMap> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/auto/build/polar.rs:40:35 [INFO] [stdout] | [INFO] [stdout] 40 | pub(crate) fn simple_builder(&'a mut self) -> Builder { [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] 40 | pub(crate) fn simple_builder(&'a mut self) -> Builder<'a, C, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.29s [INFO] running `Command { std: "docker" "inspect" "883d76ddaed1db27fae462254ed68c7ec441c450aabc375f9ad5200e0b557478", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "883d76ddaed1db27fae462254ed68c7ec441c450aabc375f9ad5200e0b557478", kill_on_drop: false }` [INFO] [stdout] 883d76ddaed1db27fae462254ed68c7ec441c450aabc375f9ad5200e0b557478