[INFO] cloning repository https://github.com/choby/idgenerator_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/choby/idgenerator_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoby%2Fidgenerator_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoby%2Fidgenerator_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a68324dd3b5f15a0cdf2fe58c5e909fb0cea046c
[INFO] checking choby/idgenerator_rs against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchoby%2Fidgenerator_rs" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/choby/idgenerator_rs on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/choby/idgenerator_rs
[INFO] finished tweaking git repo https://github.com/choby/idgenerator_rs
[INFO] tweaked toml for git repo https://github.com/choby/idgenerator_rs written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/choby/idgenerator_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e56d1b0a357a0c6e1cbc30932b138a08f5ba5e0111ae337be295b05bd3466cd
[INFO] running `Command { std: "docker" "start" "-a" "4e56d1b0a357a0c6e1cbc30932b138a08f5ba5e0111ae337be295b05bd3466cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e56d1b0a357a0c6e1cbc30932b138a08f5ba5e0111ae337be295b05bd3466cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e56d1b0a357a0c6e1cbc30932b138a08f5ba5e0111ae337be295b05bd3466cd", kill_on_drop: false }`
[INFO] [stdout] 4e56d1b0a357a0c6e1cbc30932b138a08f5ba5e0111ae337be295b05bd3466cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af5994b11c350e0d8faaf3836c57161d4b69ef945cc015c6f56388027647acdc
[INFO] running `Command { std: "docker" "start" "-a" "af5994b11c350e0d8faaf3836c57161d4b69ef945cc015c6f56388027647acdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking test_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `self`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead};
[INFO] [stdout]   |               ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `self`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead};
[INFO] [stdout]   |               ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `Twepoch`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Twepoch: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `SequenceBits`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SequenceBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `WorkerId`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     WorkerId: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `DatacenterId`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     DatacenterId: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `Sequence`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Sequence: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `LastTimestamp`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LastTimestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sequence_mask`
[INFO] [stdout]   --> src/main.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn sequence_mask(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `worker_id_shift`
[INFO] [stdout]   --> src/main.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn worker_id_shift(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `datacenter_id_shift`
[INFO] [stdout]   --> src/main.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn datacenter_id_shift(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `timestamp_leftshift`
[INFO] [stdout]   --> src/main.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn timestamp_leftshift(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_id`
[INFO] [stdout]   --> src/main.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn next_id(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |               panic!(format!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 37 | |                 "worker Id 不能大于max_worker_id： {}",
[INFO] [stdout] 38 | |                 idworker.max_worker_id()
[INFO] [stdout] 39 | |             ));
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             panic!(
[INFO] [stdout] 37 |                 "worker Id 不能大于max_worker_id： {}",
[INFO] [stdout] 38 |                 idworker.max_worker_id()
[INFO] [stdout] 39 ~             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |               panic!(format!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 43 | |                 "datacenterId不能大于max_datacenter_id: {}",
[INFO] [stdout] 44 | |                 idworker.max_datacenter_id()
[INFO] [stdout] 45 | |             ));
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 42 ~             panic!(
[INFO] [stdout] 43 |                 "datacenterId不能大于max_datacenter_id: {}",
[INFO] [stdout] 44 |                 idworker.max_datacenter_id()
[INFO] [stdout] 45 ~             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Twepoch` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Twepoch: u64,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to snake case: `twepoch`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `WorkerIdBits` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     WorkerIdBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `worker_id_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DatacenterIdBits` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     DatacenterIdBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `datacenter_id_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SequenceBits` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SequenceBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `sequence_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `WorkerId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     WorkerId: u64,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `worker_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DatacenterId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     DatacenterId: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `datacenter_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Sequence` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Sequence: u64,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sequence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LastTimestamp` should have a snake case name
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LastTimestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_timestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `workerId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(workerId: u64, datacenterId: u64) -> IdWorker {
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to snake case: `worker_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `datacenterId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(workerId: u64, datacenterId: u64) -> IdWorker {
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: convert the identifier to snake case: `datacenter_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `Twepoch`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Twepoch: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `SequenceBits`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SequenceBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `WorkerId`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     WorkerId: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `DatacenterId`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     DatacenterId: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `Sequence`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Sequence: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `LastTimestamp`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LastTimestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sequence_mask`
[INFO] [stdout]   --> src/main.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn sequence_mask(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `worker_id_shift`
[INFO] [stdout]   --> src/main.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn worker_id_shift(&self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `datacenter_id_shift`
[INFO] [stdout]   --> src/main.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn datacenter_id_shift(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `timestamp_leftshift`
[INFO] [stdout]   --> src/main.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn timestamp_leftshift(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_id`
[INFO] [stdout]   --> src/main.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn next_id(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |               panic!(format!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 37 | |                 "worker Id 不能大于max_worker_id： {}",
[INFO] [stdout] 38 | |                 idworker.max_worker_id()
[INFO] [stdout] 39 | |             ));
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             panic!(
[INFO] [stdout] 37 |                 "worker Id 不能大于max_worker_id： {}",
[INFO] [stdout] 38 |                 idworker.max_worker_id()
[INFO] [stdout] 39 ~             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |               panic!(format!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 43 | |                 "datacenterId不能大于max_datacenter_id: {}",
[INFO] [stdout] 44 | |                 idworker.max_datacenter_id()
[INFO] [stdout] 45 | |             ));
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 42 ~             panic!(
[INFO] [stdout] 43 |                 "datacenterId不能大于max_datacenter_id: {}",
[INFO] [stdout] 44 |                 idworker.max_datacenter_id()
[INFO] [stdout] 45 ~             );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Twepoch` should have a snake case name
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Twepoch: u64,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to snake case: `twepoch`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `WorkerIdBits` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     WorkerIdBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `worker_id_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DatacenterIdBits` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     DatacenterIdBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `datacenter_id_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SequenceBits` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SequenceBits: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `sequence_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `WorkerId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     WorkerId: u64,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `worker_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DatacenterId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     DatacenterId: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `datacenter_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Sequence` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Sequence: u64,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sequence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LastTimestamp` should have a snake case name
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LastTimestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `last_timestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `workerId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(workerId: u64, datacenterId: u64) -> IdWorker {
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to snake case: `worker_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `datacenterId` should have a snake case name
[INFO] [stdout]   --> src/main.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(workerId: u64, datacenterId: u64) -> IdWorker {
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: convert the identifier to snake case: `datacenter_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "af5994b11c350e0d8faaf3836c57161d4b69ef945cc015c6f56388027647acdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5994b11c350e0d8faaf3836c57161d4b69ef945cc015c6f56388027647acdc", kill_on_drop: false }`
[INFO] [stdout] af5994b11c350e0d8faaf3836c57161d4b69ef945cc015c6f56388027647acdc