[INFO] fetching crate learnwy_bin_utils 0.1.2...
[INFO] testing learnwy_bin_utils-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate learnwy_bin_utils 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate learnwy_bin_utils 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate learnwy_bin_utils 0.1.2
[INFO] finished tweaking crates.io crate learnwy_bin_utils 0.1.2
[INFO] tweaked toml for crates.io crate learnwy_bin_utils 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate learnwy_bin_utils 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06bd4c6a5aace7e89e8849786737542cb38034b801bb51b1cb299a336268a4d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06bd4c6a5aace7e89e8849786737542cb38034b801bb51b1cb299a336268a4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06bd4c6a5aace7e89e8849786737542cb38034b801bb51b1cb299a336268a4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06bd4c6a5aace7e89e8849786737542cb38034b801bb51b1cb299a336268a4d8", kill_on_drop: false }`
[INFO] [stdout] 06bd4c6a5aace7e89e8849786737542cb38034b801bb51b1cb299a336268a4d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6838d8e9f7776818787b9d9216a890af3bd657f9a6a9d45fdf1b3a723aefe88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d6838d8e9f7776818787b9d9216a890af3bd657f9a6a9d45fdf1b3a723aefe88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling directories v0.10.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling confy v0.3.1
[INFO] [stderr]    Compiling human-panic v1.0.3
[INFO] [stderr]    Compiling learnwy_bin_utils v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `join`, `pick`
[INFO] [stdout]   --> src/lib/utils/collect.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use utils::collect::{join, pick};
[INFO] [stdout]    |                          ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `date_native_local_str`, `date_str`, `date_time_native_local_str`, `date_time_str`, `time_native_local_str`, `time_str`
[INFO] [stdout]   --> src/lib/utils/date.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     use utils::date::{date_str, date_time_str, time_str, date_native_local_str, date_time_native_local_str, time_native_local_str};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/bin/gen_pwd.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{Rng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::gen_pwd`
[INFO] [stdout]   --> src/bin/gen_pwd.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use crate::gen_pwd;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/gen_pwd.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let pwd = join(&(0..32).map(|i| pick(&PWD_SEED.chars().collect())).collect::<Vec<char>>());
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/gen_pwd.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             std::fs::create_dir_all(dir.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/gen_pwd.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...   OpenOptions::new().create(true).write(true).append(true).open(dir.join(date_str() + ".pwd")).unwrap().write(format!("{}\n", pwd.clone()).as_bytes());
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/translate.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/translate.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ZH_CN` should have an upper camel case name
[INFO] [stdout]  --> src/translate.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ZH_CN,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `ZhCn`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EN_US` should have an upper camel case name
[INFO] [stdout]   --> src/translate.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     EN_US,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `EnUs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Data`, `TranslateLang`, `Translate`
[INFO] [stdout]   --> src/translate.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use crate::translate::{Data, Translate, TranslateLang};
[INFO] [stdout]    |                            ^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/main.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (index, arg) in std::env::args().enumerate() {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_path`
[INFO] [stdout]   --> src/translate.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_path(&mut self) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/translate.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn save(&mut self) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load`
[INFO] [stdout]   --> src/translate.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn load(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/translate.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn init() -> Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/translate.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         std::fs::create_dir_all(path.clone().parent().unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.79s
[INFO] running `Command { std: "docker" "inspect" "d6838d8e9f7776818787b9d9216a890af3bd657f9a6a9d45fdf1b3a723aefe88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6838d8e9f7776818787b9d9216a890af3bd657f9a6a9d45fdf1b3a723aefe88", kill_on_drop: false }`
[INFO] [stdout] d6838d8e9f7776818787b9d9216a890af3bd657f9a6a9d45fdf1b3a723aefe88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2325ef5ea1792f7ea14c254297e05abe9e4fa94c2d9123addb1f29feb1d06261
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2325ef5ea1792f7ea14c254297e05abe9e4fa94c2d9123addb1f29feb1d06261", kill_on_drop: false }`
[INFO] [stderr]    Compiling learnwy_bin_utils v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `join`, `pick`
[INFO] [stdout]   --> src/lib/utils/collect.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use utils::collect::{join, pick};
[INFO] [stdout]    |                          ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `date_native_local_str`, `date_str`, `date_time_native_local_str`, `date_time_str`, `time_native_local_str`, `time_str`
[INFO] [stdout]   --> src/lib/utils/date.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     use utils::date::{date_str, date_time_str, time_str, date_native_local_str, date_time_native_local_str, time_native_local_str};
[INFO] [stdout]    |                       ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/translate.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/translate.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ZH_CN` should have an upper camel case name
[INFO] [stdout]  --> src/translate.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ZH_CN,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `ZhCn`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EN_US` should have an upper camel case name
[INFO] [stdout]   --> src/translate.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     EN_US,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `EnUs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/bin/gen_pwd.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{Rng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/gen_pwd.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let pwd = join(&(0..32).map(|i| pick(&PWD_SEED.chars().collect())).collect::<Vec<char>>());
[INFO] [stdout]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/gen_pwd.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         for i in 0u64..2u64.pow(4) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/gen_pwd.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             std::fs::create_dir_all(dir.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/gen_pwd.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...   OpenOptions::new().create(true).write(true).append(true).open(dir.join(date_str() + ".pwd")).unwrap().write(format!("{}\n", pwd.clone()).as_bytes());
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/main.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (index, arg) in std::env::args().enumerate() {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/translate.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn init() -> Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/translate.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         std::fs::create_dir_all(path.clone().parent().unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "2325ef5ea1792f7ea14c254297e05abe9e4fa94c2d9123addb1f29feb1d06261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2325ef5ea1792f7ea14c254297e05abe9e4fa94c2d9123addb1f29feb1d06261", kill_on_drop: false }`
[INFO] [stdout] 2325ef5ea1792f7ea14c254297e05abe9e4fa94c2d9123addb1f29feb1d06261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f158970eb1e05c24a36ba17886dc164edfd663b06cecb787ef346bee972244fd
[INFO] running `Command { std: "docker" "start" "-a" "f158970eb1e05c24a36ba17886dc164edfd663b06cecb787ef346bee972244fd", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `join`, `pick`
[INFO] [stderr]   --> src/lib/utils/collect.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |     use utils::collect::{join, pick};
[INFO] [stderr]    |                          ^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `date_native_local_str`, `date_str`, `date_time_native_local_str`, `date_time_str`, `time_native_local_str`, `time_str`
[INFO] [stderr]   --> src/lib/utils/date.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |     use utils::date::{date_str, date_time_str, time_str, date_native_local_str, date_time_native_local_str, time_native_local_str};
[INFO] [stderr]    |                       ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learnwy_bin_utils` (lib) generated 2 warnings
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/translate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/translate.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ZH_CN` should have an upper camel case name
[INFO] [stderr]  --> src/translate.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ZH_CN,
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `ZhCn`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EN_US` should have an upper camel case name
[INFO] [stderr]   --> src/translate.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     EN_US,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `EnUs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/main.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     for (index, arg) in std::env::args().enumerate() {
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `init`
[INFO] [stderr]   --> src/translate.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn init() -> Data {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/translate.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         std::fs::create_dir_all(path.clone().parent().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/bin/gen_pwd.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{Rng};
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/gen_pwd.rs:14:34
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let pwd = join(&(0..32).map(|i| pick(&PWD_SEED.chars().collect())).collect::<Vec<char>>());
[INFO] [stderr]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/gen_pwd.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         for i in 0u64..2u64.pow(4) {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/gen_pwd.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             std::fs::create_dir_all(dir.clone());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/gen_pwd.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 | ...   OpenOptions::new().create(true).write(true).append(true).open(dir.join(date_str() + ".pwd")).unwrap().write(format!("{}\n", pwd.clone()).as_bytes());
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `learnwy_bin_utils` (bin "learnwy_bin_utils" test) generated 8 warnings
[INFO] [stderr] warning: `learnwy_bin_utils` (bin "gen_pwd" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learnwy_lib-1efecf9bb22c4455)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test utils::collect::tests::test_join ... ok
[INFO] [stdout] test utils::collect::tests::test_pick ... ok
[INFO] [stdout] test utils::date::tests::t ... ok
[INFO] [stdout] test utils::date::tests::dn ... ok
[INFO] [stdout] test utils::date::tests::d ... ok
[INFO] [stdout] test utils::date::tests::tn ... ok
[INFO] [stdout] test utils::date::tests::dt ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gen_pwd-1b265aa8576ce3c9)
[INFO] [stdout] test utils::date::tests::dtn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learnwy_bin_utils-af117cd21c170a09)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learnwy_lib
[INFO] [stdout] running 1 test
[INFO] [stdout] test translate::tests::test_save ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "f158970eb1e05c24a36ba17886dc164edfd663b06cecb787ef346bee972244fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f158970eb1e05c24a36ba17886dc164edfd663b06cecb787ef346bee972244fd", kill_on_drop: false }`
[INFO] [stdout] f158970eb1e05c24a36ba17886dc164edfd663b06cecb787ef346bee972244fd