[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 master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradacina%2Frs-bloom" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bradacina/rs-bloom on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bradacina/rs-bloom 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3
[INFO] running `Command { std: "docker" "start" "6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[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]     Checking rand_os v0.1.3
[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]    |                                          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<dyn Hasher>> {
[INFO] [stdout]    |                                          +++
[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)]` (part of `#[warn(unused)]`) 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]    |                                          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<dyn Hasher>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old_main` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn old_main() {
[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 `make_word` is never used
[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: struct `Bitset` is never constructed
[INFO] [stdout]  --> src/bitset.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bitset{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_bit`, `set_bit`, and `len` are never used
[INFO] [stdout]   --> src/bitset.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Bitset {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(num_bits: usize) -> Result<Bitset, &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_bit(&self, idx: usize) -> Result<bool, &'static str> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn set_bit(&mut self, idx: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bloom` is never constructed
[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 items `new`, `init_hash_funcs`, `hash`, and `contains` are never used
[INFO] [stdout]   --> src/bloom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Bloom {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn hash(&mut self, value: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn contains(&self, value: &[u8]) -> Option<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_size` is never used
[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 `hash_mask` is never used
[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 `rot` is never used
[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 `mix` is never used
[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 `final_` is never used
[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 `hashword` is never used
[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 `hashword2` is never used
[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 `hashlittle` is never used
[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 `hashlittle2` is never used
[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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old_main` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn old_main() {
[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 `make_word` is never used
[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: struct `Bitset` is never constructed
[INFO] [stdout]  --> src/bitset.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bitset{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_bit`, `set_bit`, and `len` are never used
[INFO] [stdout]   --> src/bitset.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Bitset {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new(num_bits: usize) -> Result<Bitset, &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_bit(&self, idx: usize) -> Result<bool, &'static str> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn set_bit(&mut self, idx: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bloom` is never constructed
[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 items `new`, `init_hash_funcs`, `hash`, and `contains` are never used
[INFO] [stdout]   --> src/bloom.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Bloom {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(num_bits: usize, num_hash_func: u8) -> Result<Bloom, &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn init_hash_funcs(&self) -> Vec<Box<Hasher>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn hash(&mut self, value: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn contains(&self, value: &[u8]) -> Option<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_size` is never used
[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 `hash_mask` is never used
[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 `hashword` is never used
[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 `hashword2` is never used
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3", kill_on_drop: false }`
[INFO] [stdout] 6cf6e7079539acfd1685deb184ea6823f55c0c7013738c762b9c507ab8b9d4f3