[INFO] fetching crate mlsub 0.1.0...
[INFO] testing mlsub-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mlsub 0.1.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlsub 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.14.0)
[INFO] [stderr]       Adding proptest v0.10.1 (available: v1.9.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[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" "+1.91.0" "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 rand_distr v0.3.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded itertools v0.9.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1479bf91a7de635d1a281080267705e83da05368b9746d5b749c9c03ec3563b3
[INFO] running `Command { std: "docker" "start" "-a" "1479bf91a7de635d1a281080267705e83da05368b9746d5b749c9c03ec3563b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1479bf91a7de635d1a281080267705e83da05368b9746d5b749c9c03ec3563b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1479bf91a7de635d1a281080267705e83da05368b9746d5b749c9c03ec3563b3", kill_on_drop: false }`
[INFO] [stdout] 1479bf91a7de635d1a281080267705e83da05368b9746d5b749c9c03ec3563b3
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 186446581c01477025cb3a883f63237df081c743472e673ea0f0f42f7b89b756
[INFO] running `Command { std: "docker" "start" "-a" "186446581c01477025cb3a883f63237df081c743472e673ea0f0f42f7b89b756", kill_on_drop: false }`
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling small-ord-set v0.1.3
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling mlsub v0.1.0 (/opt/rustwide/workdir)
[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)]` (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/auto/state/set.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn iter(&self) -> Copied<slice::Iter<StateId>> {
[INFO] [stdout]    |                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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] 29 |     pub fn iter(&self) -> Copied<slice::Iter<'_, StateId>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/auto/build/polar.rs:40:51
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) fn simple_builder(&'a mut self) -> Builder<C, ()> {
[INFO] [stdout]    |                                   --              ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 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 4.21s
[INFO] running `Command { std: "docker" "inspect" "186446581c01477025cb3a883f63237df081c743472e673ea0f0f42f7b89b756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186446581c01477025cb3a883f63237df081c743472e673ea0f0f42f7b89b756", kill_on_drop: false }`
[INFO] [stdout] 186446581c01477025cb3a883f63237df081c743472e673ea0f0f42f7b89b756
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1fb04154a197e67ead27c9ff62c7869f4e55844c140cfe3763e8502a411b6db
[INFO] running `Command { std: "docker" "start" "-a" "a1fb04154a197e67ead27c9ff62c7869f4e55844c140cfe3763e8502a411b6db", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling iter-set v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[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)]` (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/auto/state/set.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn iter(&self) -> Copied<slice::Iter<StateId>> {
[INFO] [stdout]    |                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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] 29 |     pub fn iter(&self) -> Copied<slice::Iter<'_, StateId>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/auto/build/polar.rs:40:51
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) fn simple_builder(&'a mut self) -> Builder<C, ()> {
[INFO] [stdout]    |                                   --              ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 40 |     pub(crate) fn simple_builder(&'a mut self) -> Builder<'a, C, ()> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling mlsub v0.1.0 (/opt/rustwide/workdir)
[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)]` (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/auto/state/set.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn iter(&self) -> Copied<slice::Iter<StateId>> {
[INFO] [stdout]    |                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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] 29 |     pub fn iter(&self) -> Copied<slice::Iter<'_, StateId>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/auto/build/polar.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |         &'a mut self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] 33 |     ) -> Builder<C, HashMap<V, flow::Pair>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     ) -> Builder<'a, C, HashMap<V, flow::Pair>> {
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/auto/build/polar.rs:40:51
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) fn simple_builder(&'a mut self) -> Builder<C, ()> {
[INFO] [stdout]    |                                   --              ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 40 |     pub(crate) fn simple_builder(&'a mut self) -> Builder<'a, C, ()> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "a1fb04154a197e67ead27c9ff62c7869f4e55844c140cfe3763e8502a411b6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fb04154a197e67ead27c9ff62c7869f4e55844c140cfe3763e8502a411b6db", kill_on_drop: false }`
[INFO] [stdout] a1fb04154a197e67ead27c9ff62c7869f4e55844c140cfe3763e8502a411b6db
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4241ec400b083cfb126b0ad9fd3aad69bd5c51ba5c601bb9a7bd7d924821db0
[INFO] running `Command { std: "docker" "start" "-a" "b4241ec400b083cfb126b0ad9fd3aad69bd5c51ba5c601bb9a7bd7d924821db0", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/subsume/mod.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             unimplemented!();
[INFO] [stderr]    |             ---------------- any code following this expression is unreachable
[INFO] [stderr] 46 |
[INFO] [stderr] 47 |             self.remove_flow(pair);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/auto/state/set.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn iter(&self) -> Copied<slice::Iter<StateId>> {
[INFO] [stderr]    |                 ^^^^^            ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn iter(&self) -> Copied<slice::Iter<'_, StateId>> {
[INFO] [stderr]    |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/auto/build/polar.rs:40:51
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub(crate) fn simple_builder(&'a mut self) -> Builder<C, ()> {
[INFO] [stderr]    |                                   --              ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub(crate) fn simple_builder(&'a mut self) -> Builder<'a, C, ()> {
[INFO] [stderr]    |                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mlsub` (lib) generated 3 warnings (run `cargo fix --lib -p mlsub` to apply 2 suggestions)
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/auto/build/polar.rs:33:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |         &'a mut self,
[INFO] [stderr]    |          -- the lifetime is named here
[INFO] [stderr] 33 |     ) -> Builder<C, HashMap<V, flow::Pair>> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 33 |     ) -> Builder<'a, C, HashMap<V, flow::Pair>> {
[INFO] [stderr]    |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mlsub` (lib test) generated 4 warnings (3 duplicates) (run `cargo fix --lib -p mlsub --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlsub-f7f41dacaeccf679)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test biunify::tests::constructed ... ok
[INFO] [stdout] test tests::arbitrary::auto_pos ... ok
[INFO] [stdout] test tests::arbitrary::auto_neg ... ok
[INFO] [stdout] test tests::arbitrary::polar_neg ... ok
[INFO] [stdout] test tests::arbitrary::polar_pos ... ok
[INFO] [stdout] test auto::reduce::tests::reduce_one_pos ... ok
[INFO] [stdout] test auto::reduce::tests::reduce_one_neg ... ok
[INFO] [stdout] test biunify::tests::biunify ... ok
[INFO] [stdout] test biunify::tests::biunify_reduced ... ok
[INFO] [stdout] test biunify::tests::biunify_all ... ok
[INFO] [stdout] test biunify::tests::biunify_all_reduced has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b4241ec400b083cfb126b0ad9fd3aad69bd5c51ba5c601bb9a7bd7d924821db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4241ec400b083cfb126b0ad9fd3aad69bd5c51ba5c601bb9a7bd7d924821db0", kill_on_drop: false }`
[INFO] [stdout] b4241ec400b083cfb126b0ad9fd3aad69bd5c51ba5c601bb9a7bd7d924821db0
