[INFO] fetching crate consistent_hasher 0.1.5...
[INFO] testing consistent_hasher-0.1.5 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate consistent_hasher 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate consistent_hasher 0.1.5
[INFO] finished tweaking crates.io crate consistent_hasher 0.1.5
[INFO] tweaked toml for crates.io crate consistent_hasher 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate consistent_hasher 0.1.5 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate consistent_hasher 0.1.5 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82358349374557171dff71d618d983907115752ef089045b2480ee3d584f1a3
[INFO] running `Command { std: "docker" "start" "-a" "f82358349374557171dff71d618d983907115752ef089045b2480ee3d584f1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82358349374557171dff71d618d983907115752ef089045b2480ee3d584f1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82358349374557171dff71d618d983907115752ef089045b2480ee3d584f1a3", kill_on_drop: false }`
[INFO] [stdout] f82358349374557171dff71d618d983907115752ef089045b2480ee3d584f1a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 3e5b5acf073c2eca74a4b2951dc83e263eb4b5997f421663b933633f746d890a
[INFO] running `Command { std: "docker" "start" "-a" "3e5b5acf073c2eca74a4b2951dc83e263eb4b5997f421663b933633f746d890a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hash v0.3.0
[INFO] [stderr]    Compiling rustc-hash v2.0.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling consistent_hasher v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/node.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/circularbtreemap.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut new_node = Node::new(node_val);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rightmin` is never read
[INFO] [stdout]    --> src/circularbtreemap.rs:144:58
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut rightmin: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stdout]     |                                                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `leftmax` is never read
[INFO] [stdout]    --> src/circularbtreemap.rs:145:57
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut leftmax: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stdout]     |                                                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ldb.rs:332:17
[INFO] [stdout]     |
[INFO] [stdout] 332 |             for i in (count)..self.virtual_instances
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vec` is never read
[INFO] [stdout]    --> src/ldb.rs:381:22
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let mut vec= Vec::new();
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/node.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_node` is never used
[INFO] [stdout]   --> src/node.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T:fmt::Display + fmt::Debug> Node<T>
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] 27 | {
[INFO] [stdout] 28 |     pub (crate) fn print_node(&self)
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_bit_count` is never read
[INFO] [stdout]    --> src/ldb.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  89 | pub struct LDB {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     hash_bit_count: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/main.rs:132:20
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 if let Ok(num) = stripped.trim().parse::<String>(){
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 13.84s
[INFO] running `Command { std: "docker" "inspect" "3e5b5acf073c2eca74a4b2951dc83e263eb4b5997f421663b933633f746d890a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5b5acf073c2eca74a4b2951dc83e263eb4b5997f421663b933633f746d890a", kill_on_drop: false }`
[INFO] [stdout] 3e5b5acf073c2eca74a4b2951dc83e263eb4b5997f421663b933633f746d890a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] d1daea6b676114717361de6e8f5b41fc2f8f02c203a231ecb68a1eb6eca42351
[INFO] running `Command { std: "docker" "start" "-a" "d1daea6b676114717361de6e8f5b41fc2f8f02c203a231ecb68a1eb6eca42351", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/node.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling consistent_hasher v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/circularbtreemap.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut new_node = Node::new(node_val);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rightmin` is never read
[INFO] [stdout]    --> src/circularbtreemap.rs:144:58
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut rightmin: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stdout]     |                                                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `leftmax` is never read
[INFO] [stdout]    --> src/circularbtreemap.rs:145:57
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut leftmax: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stdout]     |                                                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ldb.rs:332:17
[INFO] [stdout]     |
[INFO] [stdout] 332 |             for i in (count)..self.virtual_instances
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vec` is never read
[INFO] [stdout]    --> src/ldb.rs:381:22
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let mut vec= Vec::new();
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/node.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_node` is never used
[INFO] [stdout]   --> src/node.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T:fmt::Display + fmt::Debug> Node<T>
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] 27 | {
[INFO] [stdout] 28 |     pub (crate) fn print_node(&self)
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_bit_count` is never read
[INFO] [stdout]    --> src/ldb.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  89 | pub struct LDB {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     hash_bit_count: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/node.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/circularbtreemap.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut new_node = Node::new(node_val);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rightmin` is never read
[INFO] [stdout]    --> src/circularbtreemap.rs:144:58
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut rightmin: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stdout]     |                                                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `leftmax` is never read
[INFO] [stdout]    --> src/circularbtreemap.rs:145:57
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut leftmax: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stdout]     |                                                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ldb.rs:332:17
[INFO] [stdout]     |
[INFO] [stdout] 332 |             for i in (count)..self.virtual_instances
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vec` is never read
[INFO] [stdout]    --> src/ldb.rs:381:22
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let mut vec= Vec::new();
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/node.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_node` is never used
[INFO] [stdout]   --> src/node.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T:fmt::Display + fmt::Debug> Node<T>
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] 27 | {
[INFO] [stdout] 28 |     pub (crate) fn print_node(&self)
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_bit_count` is never read
[INFO] [stdout]    --> src/ldb.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  89 | pub struct LDB {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     hash_bit_count: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/main.rs:132:20
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 if let Ok(num) = stripped.trim().parse::<String>(){
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "d1daea6b676114717361de6e8f5b41fc2f8f02c203a231ecb68a1eb6eca42351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1daea6b676114717361de6e8f5b41fc2f8f02c203a231ecb68a1eb6eca42351", kill_on_drop: false }`
[INFO] [stdout] d1daea6b676114717361de6e8f5b41fc2f8f02c203a231ecb68a1eb6eca42351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] a5c3db08351f761ca4f3f0b6443cf483dda686c0ab7aee3c7596270bdb436aa3
[INFO] running `Command { std: "docker" "start" "-a" "a5c3db08351f761ca4f3f0b6443cf483dda686c0ab7aee3c7596270bdb436aa3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]   --> src/node.rs:14:34
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stderr]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/circularbtreemap.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut new_node = Node::new(node_val);
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rightmin` is never read
[INFO] [stderr]    --> src/circularbtreemap.rs:144:58
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let mut rightmin: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stderr]     |                                                          ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `leftmax` is never read
[INFO] [stderr]    --> src/circularbtreemap.rs:145:57
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let mut leftmax: Option<Rc<RefCell<Node<T>>>> = None;
[INFO] [stderr]     |                                                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/ldb.rs:332:17
[INFO] [stderr]     |
[INFO] [stderr] 332 |             for i in (count)..self.virtual_instances
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `vec` is never read
[INFO] [stderr]    --> src/ldb.rs:381:22
[INFO] [stderr]     |
[INFO] [stderr] 381 |         let mut vec= Vec::new();
[INFO] [stderr]     |                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `create` is never used
[INFO] [stderr]   --> src/node.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl<T> Node<T> {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `print_node` is never used
[INFO] [stderr]   --> src/node.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl<T:fmt::Display + fmt::Debug> Node<T>
[INFO] [stderr]    | ----------------------------------------- method in this implementation
[INFO] [stderr] 27 | {
[INFO] [stderr] 28 |     pub (crate) fn print_node(&self)
[INFO] [stderr]    |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `hash_bit_count` is never read
[INFO] [stderr]    --> src/ldb.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr]  89 | pub struct LDB {
[INFO] [stderr]     |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 100 |     hash_bit_count: u128,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `consistent_hasher` (lib) generated 9 warnings (run `cargo fix --lib -p consistent_hasher` to apply 3 suggestions)
[INFO] [stderr] warning: `consistent_hasher` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]   --> src/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | use std::time::Instant;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> src/main.rs:132:20
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 if let Ok(num) = stripped.trim().parse::<String>(){
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `consistent_hasher` (bin "consistent_hasher" test) generated 2 warnings (run `cargo fix --bin "consistent_hasher" -p consistent_hasher --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/consistent_hasher/a5a6f818f272397f/deps/consistent_hasher-a5a6f818f272397f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/consistent_hasher/702bcfc1cb70a334/deps/consistent_hasher-702bcfc1cb70a334)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests consistent_hasher
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/ldb.rs - ldb (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ldb.rs - ldb (line 16) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ldb`
[INFO] [stdout]   --> src/ldb.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use ldb::{LDB, Identifier};
[INFO] [stdout]    |     ^^^ help: a similar path exists: `consistent_hasher::ldb`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ldb.rs - ldb (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a5c3db08351f761ca4f3f0b6443cf483dda686c0ab7aee3c7596270bdb436aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c3db08351f761ca4f3f0b6443cf483dda686c0ab7aee3c7596270bdb436aa3", kill_on_drop: false }`
[INFO] [stdout] a5c3db08351f761ca4f3f0b6443cf483dda686c0ab7aee3c7596270bdb436aa3
