[INFO] cloning repository https://github.com/fukgo/rust_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fukgo/rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffukgo%2Frust_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffukgo%2Frust_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fd463b185be098404d3e778d5485535b4a40487
[INFO] checking fukgo/rust_book against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffukgo%2Frust_book" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fukgo/rust_book
[INFO] finished tweaking git repo https://github.com/fukgo/rust_book
[INFO] tweaked toml for git repo https://github.com/fukgo/rust_book written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fukgo/rust_book on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fukgo/rust_book 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ef235c74dfaa193bcf438f6e1755c5f824b5dc685eb634c75978d83cb4690e84", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `core::error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log4rs::append::file::FileAppender`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log4rs::append::file::FileAppender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log4rs::encode::pattern::PatternEncoder`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log4rs::encode::pattern::PatternEncoder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Appender`, `Config`, and `Root`
[INFO] [stdout]   --> src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log4rs::config::{Appender, Config, Root};
[INFO] [stdout]    |                      ^^^^^^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GzDecoder`
[INFO] [stdout]  --> src/bin/tar.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use flate2::read::{GzDecoder, GzEncoder};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/bin/tar.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unpack` is never used
[INFO] [stdout]   --> src/bin/tar.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn unpack()->Result<(), std::io::Error> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log4rs::append::file::FileAppender`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log4rs::append::file::FileAppender;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log4rs::encode::pattern::PatternEncoder`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log4rs::encode::pattern::PatternEncoder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Appender`, `Config`, and `Root`
[INFO] [stdout]   --> src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log4rs::config::{Appender, Config, Root};
[INFO] [stdout]    |                      ^^^^^^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::id`
[INFO] [stdout]  --> src/bin/rand.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::id;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NormalError`
[INFO] [stdout]  --> src/bin/rand.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand_distr::{Distribution, Normal, NormalError,Standard};
[INFO] [stdout]   |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::index::sample`
[INFO] [stdout]  --> src/bin/rand.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::seq::index::sample;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_time` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn add_time(){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_time` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn add_time(){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::id`
[INFO] [stdout]  --> src/bin/rand.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::id;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NormalError`
[INFO] [stdout]  --> src/bin/rand.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand_distr::{Distribution, Normal, NormalError,Standard};
[INFO] [stdout]   |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::index::sample`
[INFO] [stdout]  --> src/bin/rand.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::seq::index::sample;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_thread` is never used
[INFO] [stdout]  --> src/bin/rand.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn single_thread(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiple_thread` is never used
[INFO] [stdout]   --> src/bin/rand.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn multiple_thread(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `range_rand` is never used
[INFO] [stdout]   --> src/bin/rand.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn range_rand(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uniform` is never used
[INFO] [stdout]   --> src/bin/rand.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn uniform(){
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normal_random` is never used
[INFO] [stdout]   --> src/bin/rand.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn normal_random(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/bin/rand.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Point{
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 73 |     x:i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 74 |     y:i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `defined_rond` is never used
[INFO] [stdout]   --> src/bin/rand.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn defined_rond(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_pass` is never used
[INFO] [stdout]   --> src/bin/rand.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn generate_pass(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_thread` is never used
[INFO] [stdout]  --> src/bin/rand.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn single_thread(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiple_thread` is never used
[INFO] [stdout]   --> src/bin/rand.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn multiple_thread(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `range_rand` is never used
[INFO] [stdout]   --> src/bin/rand.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn range_rand(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uniform` is never used
[INFO] [stdout]   --> src/bin/rand.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn uniform(){
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normal_random` is never used
[INFO] [stdout]   --> src/bin/rand.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn normal_random(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/bin/rand.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Point{
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 73 |     x:i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 74 |     y:i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `defined_rond` is never used
[INFO] [stdout]   --> src/bin/rand.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn defined_rond(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_pass` is never used
[INFO] [stdout]   --> src/bin/rand.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn generate_pass(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GzDecoder`
[INFO] [stdout]  --> src/bin/tar.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use flate2::read::{GzDecoder, GzEncoder};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/bin/tar.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unpack` is never used
[INFO] [stdout]   --> src/bin/tar.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn unpack()->Result<(), std::io::Error> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.02s
[INFO] running `Command { std: "docker" "inspect" "098336e2e81ffdf9d6d58b044312de7236956576be48e46977d28acdfa4c9c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098336e2e81ffdf9d6d58b044312de7236956576be48e46977d28acdfa4c9c67", kill_on_drop: false }`
[INFO] [stdout] 098336e2e81ffdf9d6d58b044312de7236956576be48e46977d28acdfa4c9c67
