[INFO] cloning 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" "clone" "--bare" "https://github.com/bradacina/rs-bloom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradacina%2Frs-bloom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradacina%2Frs-bloom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f8e26edbd2f849608b1b1d8a0b81d1073b00e71
[INFO] checking bradacina/rs-bloom against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradacina%2Frs-bloom" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bradacina/rs-bloom on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-3/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" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3adeb459b15f218648f23374ab27a4e4a946d702c5827329569c562ef6e6a726
[INFO] running `Command { std: "docker" "start" "-a" "3adeb459b15f218648f23374ab27a4e4a946d702c5827329569c562ef6e6a726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3adeb459b15f218648f23374ab27a4e4a946d702c5827329569c562ef6e6a726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3adeb459b15f218648f23374ab27a4e4a946d702c5827329569c562ef6e6a726", kill_on_drop: false }`
[INFO] [stdout] 3adeb459b15f218648f23374ab27a4e4a946d702c5827329569c562ef6e6a726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c04f11a90e8858d413040a548a472d3f53ed77b790a2f62a592dd058f39a3eb
[INFO] running `Command { std: "docker" "start" "-a" "6c04f11a90e8858d413040a548a472d3f53ed77b790a2f62a592dd058f39a3eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking 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: 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: 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] [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 dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "6c04f11a90e8858d413040a548a472d3f53ed77b790a2f62a592dd058f39a3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c04f11a90e8858d413040a548a472d3f53ed77b790a2f62a592dd058f39a3eb", kill_on_drop: false }`
[INFO] [stdout] 6c04f11a90e8858d413040a548a472d3f53ed77b790a2f62a592dd058f39a3eb