[INFO] fetching crate crate_lib_test 0.1.0...
[INFO] testing crate_lib_test-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate crate_lib_test 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate crate_lib_test 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate crate_lib_test 0.1.0
[INFO] tweaked toml for crates.io crate crate_lib_test 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crate_lib_test 0.1.0 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 crate_lib_test 0.1.0 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" "+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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2ecf32c01f999d4b521d5c47d848029a4e9f031f125de4f8a181d133d7ce9b1
[INFO] running `Command { std: "docker" "start" "-a" "f2ecf32c01f999d4b521d5c47d848029a4e9f031f125de4f8a181d133d7ce9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2ecf32c01f999d4b521d5c47d848029a4e9f031f125de4f8a181d133d7ce9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ecf32c01f999d4b521d5c47d848029a4e9f031f125de4f8a181d133d7ce9b1", kill_on_drop: false }`
[INFO] [stdout] f2ecf32c01f999d4b521d5c47d848029a4e9f031f125de4f8a181d133d7ce9b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2a775efb4de7c2c5d1db8123a8b140b91621a27d3c8574dafab109c0e628668a
[INFO] running `Command { std: "docker" "start" "-a" "2a775efb4de7c2c5d1db8123a8b140b91621a27d3c8574dafab109c0e628668a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crate_lib_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `factory`
[INFO] [stdout]   --> src/spores.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spore`
[INFO] [stdout]   --> src/spores.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_spore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/spores.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sporangium` is more private than the item `produce_spore`
[INFO] [stdout]   --> src/spores.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `produce_spore` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Sporangium` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/spores.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Sporangium{}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Gene` is more private than the item `genes`
[INFO] [stdout]   --> src/spores.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `genes` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Gene` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/spores.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Gene{}
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gene` is never constructed
[INFO] [stdout]   --> src/spores.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Gene{}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `genes` is never used
[INFO] [stdout]   --> src/spores.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recombine` is never used
[INFO] [stdout]   --> src/spores.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "2a775efb4de7c2c5d1db8123a8b140b91621a27d3c8574dafab109c0e628668a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a775efb4de7c2c5d1db8123a8b140b91621a27d3c8574dafab109c0e628668a", kill_on_drop: false }`
[INFO] [stdout] 2a775efb4de7c2c5d1db8123a8b140b91621a27d3c8574dafab109c0e628668a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 42ee97cd15da4decbcf38b71b14d3b3c271d35d8eba8f40f05e8f0153b52ada7
[INFO] running `Command { std: "docker" "start" "-a" "42ee97cd15da4decbcf38b71b14d3b3c271d35d8eba8f40f05e8f0153b52ada7", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `factory`
[INFO] [stdout]   --> src/spores.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spore`
[INFO] [stdout]   --> src/spores.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_spore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/spores.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sporangium` is more private than the item `produce_spore`
[INFO] [stdout]   --> src/spores.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `produce_spore` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Sporangium` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/spores.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Sporangium{}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Gene` is more private than the item `genes`
[INFO] [stdout]   --> src/spores.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `genes` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Gene` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/spores.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Gene{}
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gene` is never constructed
[INFO] [stdout]   --> src/spores.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Gene{}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `genes` is never used
[INFO] [stdout]   --> src/spores.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recombine` is never used
[INFO] [stdout]   --> src/spores.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crate_lib_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `factory`
[INFO] [stdout]   --> src/spores.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spore`
[INFO] [stdout]   --> src/spores.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_spore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent`
[INFO] [stdout]   --> src/spores.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Sporangium` is more private than the item `produce_spore`
[INFO] [stdout]   --> src/spores.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `produce_spore` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Sporangium` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/spores.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Sporangium{}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Gene` is more private than the item `genes`
[INFO] [stdout]   --> src/spores.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `genes` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Gene` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/spores.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Gene{}
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gene` is never constructed
[INFO] [stdout]   --> src/spores.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Gene{}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `genes` is never used
[INFO] [stdout]   --> src/spores.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recombine` is never used
[INFO] [stdout]   --> src/spores.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "42ee97cd15da4decbcf38b71b14d3b3c271d35d8eba8f40f05e8f0153b52ada7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ee97cd15da4decbcf38b71b14d3b3c271d35d8eba8f40f05e8f0153b52ada7", kill_on_drop: false }`
[INFO] [stdout] 42ee97cd15da4decbcf38b71b14d3b3c271d35d8eba8f40f05e8f0153b52ada7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b2355c9833e84a966a473972aaf2eedd5d56bf29eb50160b54c4b37efbc3572a
[INFO] running `Command { std: "docker" "start" "-a" "b2355c9833e84a966a473972aaf2eedd5d56bf29eb50160b54c4b37efbc3572a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `factory`
[INFO] [stderr]   --> src/spores.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spore`
[INFO] [stderr]   --> src/spores.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_spore`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parent`
[INFO] [stderr]   --> src/spores.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent`
[INFO] [stderr] 
[INFO] [stderr] warning: type `Sporangium` is more private than the item `produce_spore`
[INFO] [stderr]   --> src/spores.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn produce_spore(factory: &mut Sporangium) -> Spore {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `produce_spore` is reachable at visibility `pub`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `Sporangium` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/spores.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Sporangium{}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Gene` is more private than the item `genes`
[INFO] [stderr]   --> src/spores.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `genes` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `Gene` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/spores.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Gene{}
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Gene` is never constructed
[INFO] [stderr]   --> src/spores.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Gene{}
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `genes` is never used
[INFO] [stderr]   --> src/spores.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub(crate) fn genes(spore: &Spore) -> Vec<Gene> {
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recombine` is never used
[INFO] [stderr]   --> src/spores.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn recombine<T>(parent: &mut Cell<T>) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crate_lib_test` (lib) generated 8 warnings
[INFO] [stderr] warning: `crate_lib_test` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crate_lib_test-e41ec3ed2d81d8e2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test fern::tests::explicit_radix ... FAILED
[INFO] [stdout] test fern::tests::test_grow ... ok
[INFO] [stdout] test fern::tests::test_divide_by_zero_error - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- fern::tests::explicit_radix stdout ----
[INFO] [stdout] Error: ParseIntError { kind: InvalidDigit }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     fern::tests::explicit_radix
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b2355c9833e84a966a473972aaf2eedd5d56bf29eb50160b54c4b37efbc3572a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2355c9833e84a966a473972aaf2eedd5d56bf29eb50160b54c4b37efbc3572a", kill_on_drop: false }`
[INFO] [stdout] b2355c9833e84a966a473972aaf2eedd5d56bf29eb50160b54c4b37efbc3572a