[INFO] fetching crate morkovmap_rc 0.4.1...
[INFO] testing morkovmap_rc-0.4.1 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate morkovmap_rc 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate morkovmap_rc 0.4.1
[INFO] finished tweaking crates.io crate morkovmap_rc 0.4.1
[INFO] tweaked toml for crates.io crate morkovmap_rc 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate morkovmap_rc 0.4.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate morkovmap_rc 0.4.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2764fd34bfda0baac620b129f2572e0962d934c5b978bd42a0ce8b0f2a604b9
[INFO] running `Command { std: "docker" "start" "-a" "d2764fd34bfda0baac620b129f2572e0962d934c5b978bd42a0ce8b0f2a604b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2764fd34bfda0baac620b129f2572e0962d934c5b978bd42a0ce8b0f2a604b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2764fd34bfda0baac620b129f2572e0962d934c5b978bd42a0ce8b0f2a604b9", kill_on_drop: false }`
[INFO] [stdout] d2764fd34bfda0baac620b129f2572e0962d934c5b978bd42a0ce8b0f2a604b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11bcfcd594a41ed268ae77eabec04bee024f02494a53870c05fe4f0d75eb6eaa
[INFO] running `Command { std: "docker" "start" "-a" "11bcfcd594a41ed268ae77eabec04bee024f02494a53870c05fe4f0d75eb6eaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling ttf-parser v0.15.2
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling csscolorparser v0.6.2
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling jpeg-encoder v0.5.1
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling colorgrad v0.6.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
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[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling fontdue v0.7.2
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling fast_image_resize v2.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling ril v0.9.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling morkovmap_rc v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `TileMap` is never used
[INFO] [stdout]  --> src/map.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait TileMap {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:78:109
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                               --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:93:140
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 `'n`
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.92s
[INFO] running `Command { std: "docker" "inspect" "11bcfcd594a41ed268ae77eabec04bee024f02494a53870c05fe4f0d75eb6eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bcfcd594a41ed268ae77eabec04bee024f02494a53870c05fe4f0d75eb6eaa", kill_on_drop: false }`
[INFO] [stdout] 11bcfcd594a41ed268ae77eabec04bee024f02494a53870c05fe4f0d75eb6eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2030f9769393154238f6dc20f22f8138dabf27db6e85ffbf10faaa6b11730be
[INFO] running `Command { std: "docker" "start" "-a" "a2030f9769393154238f6dc20f22f8138dabf27db6e85ffbf10faaa6b11730be", kill_on_drop: false }`
[INFO] [stderr]    Compiling morkovmap_rc v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `TileMap` is never used
[INFO] [stdout]  --> src/map.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait TileMap {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:78:109
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                               --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:93:140
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 `'n`
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TileMap` is never used
[INFO] [stdout]  --> src/map.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait TileMap {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:78:109
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                               --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:93:140
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 `'n`
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "a2030f9769393154238f6dc20f22f8138dabf27db6e85ffbf10faaa6b11730be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2030f9769393154238f6dc20f22f8138dabf27db6e85ffbf10faaa6b11730be", kill_on_drop: false }`
[INFO] [stdout] a2030f9769393154238f6dc20f22f8138dabf27db6e85ffbf10faaa6b11730be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 857442e80aa951c85b213dd7eb5b54ab9dd71ad35d86d7611f0cc07719a07e5f
[INFO] running `Command { std: "docker" "start" "-a" "857442e80aa951c85b213dd7eb5b54ab9dd71ad35d86d7611f0cc07719a07e5f", kill_on_drop: false }`
[INFO] [stderr] warning: trait `TileMap` is never used
[INFO] [stderr]  --> src/map.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait TileMap {}
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/map2d.rs:78:109
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stderr]    |                               --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided 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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'n`
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stderr]    |                                                                                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/map2d.rs:93:140
[INFO] [stderr]    |
[INFO] [stderr] 93 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout] 
[INFO] [stderr]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout] running 8 tests
[INFO] [stderr]    |       |
[INFO] [stdout] test map2d::tests::position_vector_addition_works_one_negative ... ok
[INFO] [stderr]    |       the lifetime is named here
[INFO] [stdout] test sampler::tests::sampling_with_default_works ... ok
[INFO] [stderr]    |
[INFO] [stdout] test sampler::tests::sampling_works ... ok
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] test map2d::tests::adjacents_cardinal_sane ... ok
[INFO] [stderr] help: consistently use `'n`
[INFO] [stdout] test map2d::tests::position_vector_addition_works_positives ... ok
[INFO] [stderr]    |
[INFO] [stdout] test assigner::tests::small_assignment ... ok
[INFO] [stderr] 93 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stderr]    |                                                                                                                                             ++
[INFO] [stderr] 
[INFO] [stderr] warning: `morkovmap_rc` (lib) generated 3 warnings (run `cargo fix --lib -p morkovmap_rc` to apply 2 suggestions)
[INFO] [stderr] warning: `morkovmap_rc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/morkovmap_rc-c80b98a8daf17a83)
[INFO] [stdout] test sampler::tests::uniform_weights_work ... FAILED
[INFO] [stdout] test map2d::tests::serde_pos ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- sampler::tests::uniform_weights_work stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'sampler::tests::uniform_weights_work' (31) panicked at src/sampler.rs:208:9:
[INFO] [stdout] assertion failed: key_one.contains("a")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebe8926df62 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebe8926df62 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebe8926df62 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ebe8926df62 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ebe8927f64f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ebe8927f64f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5ebe8923b4d1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ebe8923b4d1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ebe89247532 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ebe8924c07f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5ebe8924bf11 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5ebe891cdfce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5ebe891cdfce - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ebe8924c73f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5ebe8924c73f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5ebe8924c566 - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5ebe89247669 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ebe8922f9ad - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5ebe892870d0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5ebe892870ac - core::panicking::panic::h355c5fec13755e30
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5ebe891982e4 - morkovmap_rc::sampler::tests::uniform_weights_work::h54dbab9ed0971bdc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sampler.rs:208:9
[INFO] [stdout]   21:     0x5ebe89198667 - morkovmap_rc::sampler::tests::uniform_weights_work::{{closure}}::he7d41c9b2b01fc87
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sampler.rs:203:30
[INFO] [stdout]   22:     0x5ebe8919d496 - core::ops::function::FnOnce::call_once::hfc2e41edf2d0c10b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5ebe891cdd8b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ebe891cdd8b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5ebe891e39f5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5ebe891e39f5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5ebe891e39f5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5ebe891e39f5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5ebe891e39f5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5ebe891e39f5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5ebe891e39f5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5ebe891ba1e4 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5ebe891ba1e4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5ebe891bdaaa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5ebe891bdaaa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5ebe891bdaaa - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x5ebe891bdaaa - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x5ebe891bdaaa - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5ebe891bdaaa - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5ebe891bdaaa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ebe892427cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   42:     0x5ebe892427cf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   43:     0x71485ee96aa4 - <unknown>
[INFO] [stdout]   44:     0x71485ef23a34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     sampler::tests::uniform_weights_work
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "857442e80aa951c85b213dd7eb5b54ab9dd71ad35d86d7611f0cc07719a07e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857442e80aa951c85b213dd7eb5b54ab9dd71ad35d86d7611f0cc07719a07e5f", kill_on_drop: false }`
[INFO] [stdout] 857442e80aa951c85b213dd7eb5b54ab9dd71ad35d86d7611f0cc07719a07e5f
