[INFO] cloning repository https://github.com/yonatan-reicher/fuzzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yonatan-reicher/fuzzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonatan-reicher%2Ffuzzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonatan-reicher%2Ffuzzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fbfd5d7377f34db840239ea82633dda02210f7c
[INFO] testing yonatan-reicher/fuzzer against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonatan-reicher%2Ffuzzer" "/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/yonatan-reicher/fuzzer
[INFO] finished tweaking git repo https://github.com/yonatan-reicher/fuzzer
[INFO] tweaked toml for git repo https://github.com/yonatan-reicher/fuzzer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yonatan-reicher/fuzzer on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yonatan-reicher/fuzzer 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shared_child v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31dabe4774214b66179d9b8acaa30d97ac11b6c5eff8e124e8334a27833c9c99
[INFO] running `Command { std: "docker" "start" "-a" "31dabe4774214b66179d9b8acaa30d97ac11b6c5eff8e124e8334a27833c9c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31dabe4774214b66179d9b8acaa30d97ac11b6c5eff8e124e8334a27833c9c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31dabe4774214b66179d9b8acaa30d97ac11b6c5eff8e124e8334a27833c9c99", kill_on_drop: false }`
[INFO] [stdout] 31dabe4774214b66179d9b8acaa30d97ac11b6c5eff8e124e8334a27833c9c99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e07d78eb12f2b945491982f3c9b4e4989157029acede207ca1e1aabff8784252
[INFO] running `Command { std: "docker" "start" "-a" "e07d78eb12f2b945491982f3c9b4e4989157029acede207ca1e1aabff8784252", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling shared_child v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling fuzzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StoppableLoop` is never constructed
[INFO] [stdout]  --> src/stoppable_loop.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct StoppableLoop<A: LoopAction> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]   --> src/stoppable_loop.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum State<Stoppable> {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LoopAction` is never used
[INFO] [stdout]   --> src/stoppable_loop.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait LoopAction {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_stopped` is never used
[INFO] [stdout]   --> src/stoppable_loop.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<S> State<S> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 32 |     fn is_stopped(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_stop`, `start_action`, and `run` are never used
[INFO] [stdout]   --> src/stoppable_loop.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<A: LoopAction> StoppableLoop<A> {
[INFO] [stdout]    | ------------------------------------ associated items in this implementation
[INFO] [stdout] 38 |     pub fn new(action: A) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn get_stop(&self) -> impl FnOnce() + Send + 'static {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn start_action(&mut self) -> Option<A::Wait> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn run(&mut self) -> Option<A::Output> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty` is never used
[INFO] [stdout]   --> src/random_strings.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub const fn empty() -> ByteGenerator {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_raised` is never used
[INFO] [stdout]   --> src/flag/waitable_flag.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl WaitableFlag {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn is_raised(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `until_raised` is never used
[INFO] [stdout]   --> src/flag/waitable_flag.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Wait {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 34 |     pub fn until_raised(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FuzzingMutation` is never used
[INFO] [stdout]  --> src/mutations.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait FuzzingMutation<T> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct AddRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RemoveRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct RemoveRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct InsertRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MakeUppercase` is never constructed
[INFO] [stdout]   --> src/mutations.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct MakeUppercase;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MakeLowercase` is never constructed
[INFO] [stdout]   --> src/mutations.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct MakeLowercase;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReverseString` is never constructed
[INFO] [stdout]   --> src/mutations.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReverseString;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShuffleString` is never constructed
[INFO] [stdout]   --> src/mutations.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct ShuffleString;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DuplicateChars` is never constructed
[INFO] [stdout]   --> src/mutations.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct DuplicateChars;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RemoveVowels` is never constructed
[INFO] [stdout]   --> src/mutations.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct RemoveVowels;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertRandomSubstring` is never constructed
[INFO] [stdout]   --> src/mutations.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct InsertRandomSubstring;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitFlip` is never constructed
[INFO] [stdout]    --> src/mutations.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct BitFlip;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SwapAdjacent` is never constructed
[INFO] [stdout]    --> src/mutations.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct SwapAdjacent;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ALL_MUTATIONS` is never used
[INFO] [stdout]    --> src/mutations.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub static ALL_MUTATIONS: Lazy<Vec<Box<dyn FuzzingMutation<String> + Sync + Send>>> =
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/random_strings.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let ret_non_negative: i64 = unsafe { std::mem::transmute(ret_non_negative) };
[INFO] [stdout]    |                                          -------------------^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: replace this with: `u64::cast_signed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{env, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.29s
[INFO] running `Command { std: "docker" "inspect" "e07d78eb12f2b945491982f3c9b4e4989157029acede207ca1e1aabff8784252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07d78eb12f2b945491982f3c9b4e4989157029acede207ca1e1aabff8784252", kill_on_drop: false }`
[INFO] [stdout] e07d78eb12f2b945491982f3c9b4e4989157029acede207ca1e1aabff8784252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ea1bd68c76ed4077ba34513a5b88e8464b64b7770454e9979bd0b7224dada1b
[INFO] running `Command { std: "docker" "start" "-a" "0ea1bd68c76ed4077ba34513a5b88e8464b64b7770454e9979bd0b7224dada1b", kill_on_drop: false }`
[INFO] [stdout] warning: struct `StoppableLoop` is never constructed
[INFO] [stdout]  --> src/stoppable_loop.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct StoppableLoop<A: LoopAction> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]   --> src/stoppable_loop.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum State<Stoppable> {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LoopAction` is never used
[INFO] [stdout]   --> src/stoppable_loop.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait LoopAction {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_stopped` is never used
[INFO] [stdout]   --> src/stoppable_loop.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<S> State<S> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 32 |     fn is_stopped(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_stop`, `start_action`, and `run` are never used
[INFO] [stdout]   --> src/stoppable_loop.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<A: LoopAction> StoppableLoop<A> {
[INFO] [stdout]    | ------------------------------------ associated items in this implementation
[INFO] [stdout] 38 |     pub fn new(action: A) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn get_stop(&self) -> impl FnOnce() + Send + 'static {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn start_action(&mut self) -> Option<A::Wait> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn run(&mut self) -> Option<A::Output> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty` is never used
[INFO] [stdout]   --> src/random_strings.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub const fn empty() -> ByteGenerator {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_raised` is never used
[INFO] [stdout]   --> src/flag/waitable_flag.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl WaitableFlag {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn is_raised(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `until_raised` is never used
[INFO] [stdout]   --> src/flag/waitable_flag.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Wait {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 34 |     pub fn until_raised(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FuzzingMutation` is never used
[INFO] [stdout]  --> src/mutations.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait FuzzingMutation<T> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct AddRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RemoveRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct RemoveRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct InsertRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MakeUppercase` is never constructed
[INFO] [stdout]   --> src/mutations.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct MakeUppercase;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MakeLowercase` is never constructed
[INFO] [stdout]   --> src/mutations.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct MakeLowercase;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReverseString` is never constructed
[INFO] [stdout]   --> src/mutations.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReverseString;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShuffleString` is never constructed
[INFO] [stdout]   --> src/mutations.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct ShuffleString;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DuplicateChars` is never constructed
[INFO] [stdout]   --> src/mutations.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct DuplicateChars;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RemoveVowels` is never constructed
[INFO] [stdout]   --> src/mutations.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct RemoveVowels;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertRandomSubstring` is never constructed
[INFO] [stdout]   --> src/mutations.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct InsertRandomSubstring;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitFlip` is never constructed
[INFO] [stdout]    --> src/mutations.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct BitFlip;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SwapAdjacent` is never constructed
[INFO] [stdout]    --> src/mutations.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct SwapAdjacent;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ALL_MUTATIONS` is never used
[INFO] [stdout]    --> src/mutations.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub static ALL_MUTATIONS: Lazy<Vec<Box<dyn FuzzingMutation<String> + Sync + Send>>> =
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/random_strings.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let ret_non_negative: i64 = unsafe { std::mem::transmute(ret_non_negative) };
[INFO] [stdout]    |                                          -------------------^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: replace this with: `u64::cast_signed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fuzzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{env, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{env, time::Duration};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty` is never used
[INFO] [stdout]   --> src/random_strings.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub const fn empty() -> ByteGenerator {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FuzzingMutation` is never used
[INFO] [stdout]  --> src/mutations.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait FuzzingMutation<T> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct AddRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RemoveRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct RemoveRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertRandomChar` is never constructed
[INFO] [stdout]   --> src/mutations.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct InsertRandomChar;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MakeUppercase` is never constructed
[INFO] [stdout]   --> src/mutations.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct MakeUppercase;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MakeLowercase` is never constructed
[INFO] [stdout]   --> src/mutations.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct MakeLowercase;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReverseString` is never constructed
[INFO] [stdout]   --> src/mutations.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReverseString;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShuffleString` is never constructed
[INFO] [stdout]   --> src/mutations.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct ShuffleString;
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DuplicateChars` is never constructed
[INFO] [stdout]   --> src/mutations.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct DuplicateChars;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RemoveVowels` is never constructed
[INFO] [stdout]   --> src/mutations.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct RemoveVowels;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertRandomSubstring` is never constructed
[INFO] [stdout]   --> src/mutations.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct InsertRandomSubstring;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitFlip` is never constructed
[INFO] [stdout]    --> src/mutations.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct BitFlip;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SwapAdjacent` is never constructed
[INFO] [stdout]    --> src/mutations.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct SwapAdjacent;
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ALL_MUTATIONS` is never used
[INFO] [stdout]    --> src/mutations.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub static ALL_MUTATIONS: Lazy<Vec<Box<dyn FuzzingMutation<String> + Sync + Send>>> =
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/random_strings.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let ret_non_negative: i64 = unsafe { std::mem::transmute(ret_non_negative) };
[INFO] [stdout]    |                                          -------------------^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: replace this with: `u64::cast_signed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "0ea1bd68c76ed4077ba34513a5b88e8464b64b7770454e9979bd0b7224dada1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea1bd68c76ed4077ba34513a5b88e8464b64b7770454e9979bd0b7224dada1b", kill_on_drop: false }`
[INFO] [stdout] 0ea1bd68c76ed4077ba34513a5b88e8464b64b7770454e9979bd0b7224dada1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e74b190f264276ed5ad58aa42b3d481c7466e8220d0564bbf291a84b2aa557b9
[INFO] running `Command { std: "docker" "start" "-a" "e74b190f264276ed5ad58aa42b3d481c7466e8220d0564bbf291a84b2aa557b9", kill_on_drop: false }`
[INFO] [stderr] warning: struct `StoppableLoop` is never constructed
[INFO] [stderr]  --> src/stoppable_loop.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct StoppableLoop<A: LoopAction> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `State` is never used
[INFO] [stderr]   --> src/stoppable_loop.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum State<Stoppable> {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `LoopAction` is never used
[INFO] [stderr]   --> src/stoppable_loop.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub trait LoopAction {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_stopped` is never used
[INFO] [stderr]   --> src/stoppable_loop.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl<S> State<S> {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 32 |     fn is_stopped(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get_stop`, `start_action`, and `run` are never used
[INFO] [stderr]   --> src/stoppable_loop.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<A: LoopAction> StoppableLoop<A> {
[INFO] [stderr]    | ------------------------------------ associated items in this implementation
[INFO] [stderr] 38 |     pub fn new(action: A) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn get_stop(&self) -> impl FnOnce() + Send + 'static {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn start_action(&mut self) -> Option<A::Wait> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn run(&mut self) -> Option<A::Output> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `empty` is never used
[INFO] [stderr]   --> src/random_strings.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub const fn empty() -> ByteGenerator {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_raised` is never used
[INFO] [stderr]   --> src/flag/waitable_flag.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl WaitableFlag {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn is_raised(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `until_raised` is never used
[INFO] [stderr]   --> src/flag/waitable_flag.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl Wait {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 34 |     pub fn until_raised(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `FuzzingMutation` is never used
[INFO] [stderr]  --> src/mutations.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait FuzzingMutation<T> {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AddRandomChar` is never constructed
[INFO] [stderr]   --> src/mutations.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct AddRandomChar;
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RemoveRandomChar` is never constructed
[INFO] [stderr]   --> src/mutations.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct RemoveRandomChar;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `InsertRandomChar` is never constructed
[INFO] [stderr]   --> src/mutations.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct InsertRandomChar;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MakeUppercase` is never constructed
[INFO] [stderr]   --> src/mutations.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct MakeUppercase;
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MakeLowercase` is never constructed
[INFO] [stderr]   --> src/mutations.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct MakeLowercase;
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ReverseString` is never constructed
[INFO] [stderr]   --> src/mutations.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct ReverseString;
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ShuffleString` is never constructed
[INFO] [stderr]   --> src/mutations.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub struct ShuffleString;
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DuplicateChars` is never constructed
[INFO] [stderr]   --> src/mutations.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub struct DuplicateChars;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RemoveVowels` is never constructed
[INFO] [stderr]   --> src/mutations.rs:87:12
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub struct RemoveVowels;
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `InsertRandomSubstring` is never constructed
[INFO] [stderr]   --> src/mutations.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct InsertRandomSubstring;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BitFlip` is never constructed
[INFO] [stderr]    --> src/mutations.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub struct BitFlip;
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SwapAdjacent` is never constructed
[INFO] [stderr]    --> src/mutations.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub struct SwapAdjacent;
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `ALL_MUTATIONS` is never used
[INFO] [stderr]    --> src/mutations.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub static ALL_MUTATIONS: Lazy<Vec<Box<dyn FuzzingMutation<String> + Sync + Send>>> =
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/random_strings.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let ret_non_negative: i64 = unsafe { std::mem::transmute(ret_non_negative) };
[INFO] [stderr]    |                                          -------------------^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                          |
[INFO] [stderr]    |                                          help: replace this with: `u64::cast_signed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `empty` is never used
[INFO] [stderr]   --> src/random_strings.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub const fn empty() -> ByteGenerator {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fuzzer` (lib) generated 23 warnings (run `cargo fix --lib -p fuzzer` to apply 1 suggestion)
[INFO] [stderr] warning: `fuzzer` (lib test) generated 16 warnings (15 duplicates)
[INFO] [stderr] warning: unused import: `time::Duration`
[INFO] [stderr]  --> src/main.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{env, time::Duration};
[INFO] [stderr]   |                ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fuzzer` (bin "fuzzer") generated 1 warning (run `cargo fix --bin "fuzzer" -p fuzzer` to apply 1 suggestion)
[INFO] [stderr] warning: `fuzzer` (bin "fuzzer" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fuzzer-8fa292f9ca7932e7)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test flag::waitable_flag::tests::test_waitable_flag_gets_notified ... ok
[INFO] [stdout] test main_fuzzer::predefined_inputs::tests::test_predefined_inputs ... ok
[INFO] [stdout] test main_fuzzer::tests::fuzzer_moves_to_next_state ... ok
[INFO] [stdout] test stoppable_loop::tests::stoppable_loop_returns_on_success ... ok
[INFO] [stdout] test flag::waitable_flag::tests::test_waitable_flag_doesnt_get_notified ... ok
[INFO] [stdout] test stoppable_loop::tests::test_stoppable_loop_stop ... ok
[INFO] [stdout] test delay::tests::test_delay ... ok
[INFO] [stdout] test delay::tests::test_delayer ... ok
[INFO] [stdout] test main_fuzzer::tests::fuzzer_generates_urls_fast ... FAILED
[INFO] [stdout] test main_fuzzer::tests::fuzzer_generates_strings_fast ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- main_fuzzer::tests::fuzzer_generates_urls_fast stdout ----
[INFO] [stdout] Average time: 0.02716 ms
[INFO] [stdout] 
[INFO] [stdout] thread 'main_fuzzer::tests::fuzzer_generates_urls_fast' (25) panicked at src/main_fuzzer.rs:279:9:
[INFO] [stdout] assertion failed: average_milis < 0.01
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ef714f478c2 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ef714f478c2 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ef714f478c2 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5ef714f478c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5ef714f57847 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ef714f57847 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5ef714f16346 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ef714f16346 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5ef714f26c89 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5ef714f26c89 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ef714f26b21 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ef714ee4b0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5ef714ee4b0e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ef714f26f02 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5ef714f26f02 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ef714f26d7a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5ef714f22229 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x5ef714f0b10d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ef714f5ee9c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ef714f5ee62 - core::panicking::panic::h40aea00c5b72b770
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5ef714ea965b - fuzzer::main_fuzzer::tests::fuzzer_generates_urls_fast::hf58d60d462db9dab
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main_fuzzer.rs:279:9
[INFO] [stdout]   21:     0x5ef714ea96d7 - fuzzer::main_fuzzer::tests::fuzzer_generates_urls_fast::{{closure}}::h8a3fde26137e9ffd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main_fuzzer.rs:267:36
[INFO] [stdout]   22:     0x5ef714ebf116 - core::ops::function::FnOnce::call_once::h5a31258393e11bb3
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5ef714ee493b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ef714ee493b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5ef714ef82ca - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5ef714ef82ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5ef714ef82ca - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ef714ef82ca - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5ef714ef82ca - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5ef714ef82ca - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5ef714ef82ca - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5ef714ed2564 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5ef714ed2564 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   34:     0x5ef714ed5e92 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   35:     0x5ef714ed5e92 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5ef714ed5e92 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5ef714ed5e92 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5ef714ed5e92 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5ef714ed5e92 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   40:     0x5ef714ed5e92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ef714f1d8bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x5ef714f1d8bf - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x70237614aaa4 - <unknown>
[INFO] [stdout]   44:     0x7023761d7a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- main_fuzzer::tests::fuzzer_generates_strings_fast stdout ----
[INFO] [stdout] Average time: 0.03580 ms
[INFO] [stdout] 
[INFO] [stdout] thread 'main_fuzzer::tests::fuzzer_generates_strings_fast' (24) panicked at src/main_fuzzer.rs:263:9:
[INFO] [stdout] assertion failed: average_milis < 0.01
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ef714f478c2 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ef714f478c2 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ef714f478c2 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5ef714f478c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5ef714f57847 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ef714f57847 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5ef714f16346 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ef714f16346 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5ef714f26c89 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5ef714f26c89 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ef714f26b21 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ef714ee4b0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5ef714ee4b0e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ef714f26f02 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5ef714f26f02 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ef714f26d7a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5ef714f22229 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x5ef714f0b10d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ef714f5ee9c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ef714f5ee62 - core::panicking::panic::h40aea00c5b72b770
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5ef714ea9ac8 - fuzzer::main_fuzzer::tests::fuzzer_generates_strings_fast::h30c4f21f35ffe4d1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main_fuzzer.rs:263:9
[INFO] [stdout]   21:     0x5ef714ea9b37 - fuzzer::main_fuzzer::tests::fuzzer_generates_strings_fast::{{closure}}::h351361026e17bb44
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main_fuzzer.rs:251:39
[INFO] [stdout]   22:     0x5ef714ebf0d6 - core::ops::function::FnOnce::call_once::h500281f90a9da15d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5ef714ee493b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ef714ee493b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5ef714ef82ca - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5ef714ef82ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5ef714ef82ca - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ef714ef82ca - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5ef714ef82ca - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5ef714ef82ca - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5ef714ef82ca - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5ef714ed2564 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5ef714ed2564 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   34:     0x5ef714ed5e92 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   35:     0x5ef714ed5e92 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5ef714ed5e92 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5ef714ed5e92 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5ef714ed5e92 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5ef714ed5e92 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   40:     0x5ef714ed5e92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ef714f1d8bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x5ef714f1d8bf - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x70237614aaa4 - <unknown>
[INFO] [stdout]   44:     0x7023761d7a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     main_fuzzer::tests::fuzzer_generates_strings_fast
[INFO] [stdout]     main_fuzzer::tests::fuzzer_generates_urls_fast
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e74b190f264276ed5ad58aa42b3d481c7466e8220d0564bbf291a84b2aa557b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74b190f264276ed5ad58aa42b3d481c7466e8220d0564bbf291a84b2aa557b9", kill_on_drop: false }`
[INFO] [stdout] e74b190f264276ed5ad58aa42b3d481c7466e8220d0564bbf291a84b2aa557b9
