[INFO] updating cached repository https://github.com/bradacina/rs-bloom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f8e26edbd2f849608b1b1d8a0b81d1073b00e71
[INFO] testing bradacina/rs-bloom against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradacina%2Frs-bloom" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bradacina/rs-bloom on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bradacina/rs-bloom
[INFO] finished tweaking git repo https://github.com/bradacina/rs-bloom
[INFO] tweaked toml for git repo https://github.com/bradacina/rs-bloom written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bradacina/rs-bloom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb36fc8b5471aca1e8fc16623050f876128d72bdca8ce0b251d4e378c34dcca8
[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" "bb36fc8b5471aca1e8fc16623050f876128d72bdca8ce0b251d4e378c34dcca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb36fc8b5471aca1e8fc16623050f876128d72bdca8ce0b251d4e378c34dcca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb36fc8b5471aca1e8fc16623050f876128d72bdca8ce0b251d4e378c34dcca8", kill_on_drop: false }`
[INFO] [stdout] bb36fc8b5471aca1e8fc16623050f876128d72bdca8ce0b251d4e378c34dcca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ecd3b3edb240fa9e5a1ec534690e8b12716014d6f068b1ec7b231701788ff4d
[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" "1ecd3b3edb240fa9e5a1ec534690e8b12716014d6f068b1ec7b231701788ff4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling second v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bloom.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stdout]    |                                          ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_hash_func`
[INFO] [stdout]   --> src/bloom.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_hash_func`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bitset`
[INFO] [stdout]  --> src/bitset.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bitset{
[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/bitset.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(num_bits: usize) -> Result<Bitset, &'static str> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bit`
[INFO] [stdout]   --> src/bitset.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn get_bit(&self, idx: usize) -> Result<bool, &'static str> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bit`
[INFO] [stdout]   --> src/bitset.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn set_bit(&mut self, idx: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/bitset.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bloom`
[INFO] [stdout]  --> src/bloom.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Bloom
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bloom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_hash_funcs`
[INFO] [stdout]   --> src/bloom.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]   --> src/bloom.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn hash(&mut self, value: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> src/bloom.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn contains(&self, value: &[u8]) -> Option<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hash_size`
[INFO] [stdout]  --> src/lookup3.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn hash_size(n: u8) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hash_mask`
[INFO] [stdout]   --> src/lookup3.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn hash_mask(n: u8) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rot`
[INFO] [stdout]   --> src/lookup3.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn rot(x: u32, k: u8) -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mix`
[INFO] [stdout]   --> src/lookup3.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn mix(a: &mut u32, b: &mut u32, c: &mut u32) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `final_`
[INFO] [stdout]   --> src/lookup3.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn final_(a: &mut u32, b: &mut u32, c: &mut u32) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashword`
[INFO] [stdout]   --> src/lookup3.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn hashword(k: &[u32], init_val: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashword2`
[INFO] [stdout]    --> src/lookup3.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn hashword2(k: &[u32], pc: u32, pb: u32) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashlittle`
[INFO] [stdout]    --> src/lookup3.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn hashlittle(key: &[u8], init_val: u32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashlittle2`
[INFO] [stdout]    --> src/lookup3.rs:490:8
[INFO] [stdout]     |
[INFO] [stdout] 490 | pub fn hashlittle2(key: &[u8], pc: u32, pb: u32) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_main`
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn old_main() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_word`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn make_word(rng: &mut ThreadRng) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "1ecd3b3edb240fa9e5a1ec534690e8b12716014d6f068b1ec7b231701788ff4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecd3b3edb240fa9e5a1ec534690e8b12716014d6f068b1ec7b231701788ff4d", kill_on_drop: false }`
[INFO] [stdout] 1ecd3b3edb240fa9e5a1ec534690e8b12716014d6f068b1ec7b231701788ff4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f27c2efeba965169924e654098051cc0542b0f2b68dd362b7c7bc2f8424f15
[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" "31f27c2efeba965169924e654098051cc0542b0f2b68dd362b7c7bc2f8424f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling second v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bloom.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stdout]    |                                          ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_hash_func`
[INFO] [stdout]   --> src/bloom.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_hash_func`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bitset`
[INFO] [stdout]  --> src/bitset.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bitset{
[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/bitset.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(num_bits: usize) -> Result<Bitset, &'static str> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bit`
[INFO] [stdout]   --> src/bitset.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn get_bit(&self, idx: usize) -> Result<bool, &'static str> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bit`
[INFO] [stdout]   --> src/bitset.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn set_bit(&mut self, idx: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/bitset.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bloom`
[INFO] [stdout]  --> src/bloom.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Bloom
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bloom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_hash_funcs`
[INFO] [stdout]   --> src/bloom.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]   --> src/bloom.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn hash(&mut self, value: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> src/bloom.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn contains(&self, value: &[u8]) -> Option<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hash_size`
[INFO] [stdout]  --> src/lookup3.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn hash_size(n: u8) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hash_mask`
[INFO] [stdout]   --> src/lookup3.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn hash_mask(n: u8) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashword`
[INFO] [stdout]   --> src/lookup3.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn hashword(k: &[u32], init_val: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashword2`
[INFO] [stdout]    --> src/lookup3.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn hashword2(k: &[u32], pc: u32, pb: u32) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_main`
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn old_main() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_word`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn make_word(rng: &mut ThreadRng) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "31f27c2efeba965169924e654098051cc0542b0f2b68dd362b7c7bc2f8424f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f27c2efeba965169924e654098051cc0542b0f2b68dd362b7c7bc2f8424f15", kill_on_drop: false }`
[INFO] [stdout] 31f27c2efeba965169924e654098051cc0542b0f2b68dd362b7c7bc2f8424f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b942bd825c3d2ee1c528fafda1843d39b54cbe79ae56f48e38663370ba1967b3
[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" "b942bd825c3d2ee1c528fafda1843d39b54cbe79ae56f48e38663370ba1967b3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 3 tests
[INFO] [stderr]   --> src/bloom.rs:17:42
[INFO] [stdout] test lookup3::tests::test_hashlittle2 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test lookup3::tests::test_hashing_repeatedly ... ok
[INFO] [stderr] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stdout] test lookup3::tests::test_hashlittle ... ok
[INFO] [stderr]    |                                          ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_hash_func`
[INFO] [stderr]   --> src/bloom.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_hash_func`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bitset`
[INFO] [stderr]  --> src/bitset.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Bitset{
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/bitset.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new(num_bits: usize) -> Result<Bitset, &'static str> {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_bit`
[INFO] [stderr]   --> src/bitset.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn get_bit(&self, idx: usize) -> Result<bool, &'static str> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bit`
[INFO] [stderr]   --> src/bitset.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn set_bit(&mut self, idx: usize) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/bitset.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bloom`
[INFO] [stderr]  --> src/bloom.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Bloom
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bloom.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `init_hash_funcs`
[INFO] [stderr]   --> src/bloom.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hash`
[INFO] [stderr]   --> src/bloom.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn hash(&mut self, value: &[u8]) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains`
[INFO] [stderr]   --> src/bloom.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn contains(&self, value: &[u8]) -> Option<()> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hash_size`
[INFO] [stderr]  --> src/lookup3.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn hash_size(n: u8) -> u32 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hash_mask`
[INFO] [stderr]   --> src/lookup3.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn hash_mask(n: u8) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hashword`
[INFO] [stderr]   --> src/lookup3.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn hashword(k: &[u32], init_val: u32) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hashword2`
[INFO] [stderr]    --> src/lookup3.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 | pub fn hashword2(k: &[u32], pc: u32, pb: u32) -> (u32, u32) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `old_main`
[INFO] [stderr]   --> src/main.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn old_main() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_word`
[INFO] [stderr]   --> src/main.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn make_word(rng: &mut ThreadRng) -> String {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/second-5452158b3376b540
[INFO] running `Command { std: "docker" "inspect" "b942bd825c3d2ee1c528fafda1843d39b54cbe79ae56f48e38663370ba1967b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b942bd825c3d2ee1c528fafda1843d39b54cbe79ae56f48e38663370ba1967b3", kill_on_drop: false }`
[INFO] [stdout] b942bd825c3d2ee1c528fafda1843d39b54cbe79ae56f48e38663370ba1967b3