[INFO] fetching crate oxineat 0.3.2...
[INFO] checking oxineat-0.3.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate oxineat 0.3.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate oxineat 0.3.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oxineat 0.3.2
[INFO] finished tweaking crates.io crate oxineat 0.3.2
[INFO] tweaked toml for crates.io crate oxineat 0.3.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oxineat v0.3.2
[INFO] [stderr]   Downloaded oxineat-nn v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac779104b82c6035a5fca247f65ca04b58b8691b0f3bd9fcb2deb489b2977a07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac779104b82c6035a5fca247f65ca04b58b8691b0f3bd9fcb2deb489b2977a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac779104b82c6035a5fca247f65ca04b58b8691b0f3bd9fcb2deb489b2977a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac779104b82c6035a5fca247f65ca04b58b8691b0f3bd9fcb2deb489b2977a07", kill_on_drop: false }`
[INFO] [stdout] ac779104b82c6035a5fca247f65ca04b58b8691b0f3bd9fcb2deb489b2977a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f16228431e0a54a298975928a93c7b64be0314ae8f98d76beaaa2f4835529183
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f16228431e0a54a298975928a93c7b64be0314ae8f98d76beaaa2f4835529183", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking oxineat v0.3.2
[INFO] [stderr]     Checking oxineat v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `population_config`
[INFO] [stdout]   --> src/populations/rt_population.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         population_config: PopulationConfig,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `genetic_config`
[INFO] [stdout]   --> src/populations/rt_population.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         genetic_config: C,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_genetic_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/populations/rt_population.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove_genomes<const N: usize>(&mut self, tokens: &[GenomeToken; N]) -> Option<G> {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/populations/rt_population.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         tokens: &[GenomeToken; N],
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/populations/rt_population.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         f: F,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/populations/rt_population.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         p: P,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent1`
[INFO] [stdout]   --> src/populations/rt_population.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         parent1: GenomeToken,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent2`
[INFO] [stdout]   --> src/populations/rt_population.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         parent2: GenomeToken,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/populations/rt_population.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         p: P,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RealTimePopulation`
[INFO] [stdout]   --> src/populations/rt_population.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct RealTimePopulation<C, H, G> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/populations/rt_population.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_genomes`
[INFO] [stdout]   --> src/populations/rt_population.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove_genomes<const N: usize>(&mut self, tokens: &[GenomeToken; N]) -> Option<G> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace_genomes`
[INFO] [stdout]   --> src/populations/rt_population.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn replace_genomes<F, P, T, const N: usize>(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_child`
[INFO] [stdout]   --> src/populations/rt_population.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add_child<P, T>(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/populations/rt_population.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn reset(&mut self)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/populations/rt_population.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn get(&self, token: GenomeToken) -> Option<&G> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `genomes`
[INFO] [stdout]   --> src/populations/rt_population.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn genomes(&self) -> impl Iterator<Item = &G> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `species`
[INFO] [stdout]   --> src/populations/rt_population.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn species(&self) -> impl Iterator<Item = &Species<G>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `history`
[INFO] [stdout]   --> src/populations/rt_population.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn history(&self) -> &H
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking oxineat-nn v0.1.1
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `population_config`
[INFO] [stdout]   --> src/populations/rt_population.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         population_config: PopulationConfig,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_population_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `genetic_config`
[INFO] [stdout]   --> src/populations/rt_population.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         genetic_config: C,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_genetic_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/populations/rt_population.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove_genomes<const N: usize>(&mut self, tokens: &[GenomeToken; N]) -> Option<G> {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/populations/rt_population.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         tokens: &[GenomeToken; N],
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/populations/rt_population.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         f: F,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/populations/rt_population.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         p: P,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent1`
[INFO] [stdout]   --> src/populations/rt_population.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         parent1: GenomeToken,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent2`
[INFO] [stdout]   --> src/populations/rt_population.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         parent2: GenomeToken,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/populations/rt_population.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         p: P,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RealTimePopulation`
[INFO] [stdout]   --> src/populations/rt_population.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct RealTimePopulation<C, H, G> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/populations/rt_population.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_genomes`
[INFO] [stdout]   --> src/populations/rt_population.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn remove_genomes<const N: usize>(&mut self, tokens: &[GenomeToken; N]) -> Option<G> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `replace_genomes`
[INFO] [stdout]   --> src/populations/rt_population.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn replace_genomes<F, P, T, const N: usize>(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_child`
[INFO] [stdout]   --> src/populations/rt_population.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add_child<P, T>(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/populations/rt_population.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn reset(&mut self)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/populations/rt_population.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn get(&self, token: GenomeToken) -> Option<&G> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `genomes`
[INFO] [stdout]   --> src/populations/rt_population.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn genomes(&self) -> impl Iterator<Item = &G> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `species`
[INFO] [stdout]   --> src/populations/rt_population.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn species(&self) -> impl Iterator<Item = &Species<G>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `history`
[INFO] [stdout]   --> src/populations/rt_population.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn history(&self) -> &H
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.45s
[INFO] running `Command { std: "docker" "inspect" "f16228431e0a54a298975928a93c7b64be0314ae8f98d76beaaa2f4835529183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16228431e0a54a298975928a93c7b64be0314ae8f98d76beaaa2f4835529183", kill_on_drop: false }`
[INFO] [stdout] f16228431e0a54a298975928a93c7b64be0314ae8f98d76beaaa2f4835529183