Dec 06 13:04:51.470 INFO testing JALBAA/blog against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 13:04:51.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 13:04:52.003 INFO [stdout] b0a663d6f96ac71a4758ee7cb53b624c852839b5917f1a9a0943244258142b2b
Dec 06 13:04:52.005 INFO running `"docker" "start" "-a" "b0a663d6f96ac71a4758ee7cb53b624c852839b5917f1a9a0943244258142b2b"`
Dec 06 13:04:53.622 INFO [stderr] usermod: no changes
Dec 06 13:04:54.194 INFO [stderr]    Compiling tera v0.10.10
Dec 06 13:04:54.201 INFO [stderr]    Compiling tera v0.11.16
Dec 06 13:04:54.215 INFO [stderr]    Compiling websocket v0.20.3
Dec 06 13:05:20.895 INFO [stderr]    Compiling rocket_contrib v0.3.16
Dec 06 13:05:34.046 INFO [stderr]    Compiling blog v0.1.0 (/source)
Dec 06 13:05:41.216 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 06 13:05:41.216 INFO [stderr]   --> src/main.rs:15:5
Dec 06 13:05:41.216 INFO [stderr]    |
Dec 06 13:05:41.216 INFO [stderr] 15 | use std::fmt::Display;
Dec 06 13:05:41.216 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 13:05:41.216 INFO [stderr]    |
Dec 06 13:05:41.216 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 13:05:41.220 INFO [stderr] 
Dec 06 13:05:41.220 INFO [stderr] warning: unused import: `rocket::fairing::AdHoc`
Dec 06 13:05:41.220 INFO [stderr]   --> src/main.rs:21:5
Dec 06 13:05:41.220 INFO [stderr]    |
Dec 06 13:05:41.220 INFO [stderr] 21 | use rocket::fairing::AdHoc;
Dec 06 13:05:41.220 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:05:41.220 INFO [stderr] 
Dec 06 13:05:41.220 INFO [stderr] warning: unused import: `Ordering`
Dec 06 13:05:41.220 INFO [stderr]   --> src/main.rs:22:38
Dec 06 13:05:41.220 INFO [stderr]    |
Dec 06 13:05:41.220 INFO [stderr] 22 | use std::sync::atomic::{AtomicUsize, Ordering};
Dec 06 13:05:41.220 INFO [stderr]    |                                      ^^^^^^^^
Dec 06 13:05:41.220 INFO [stderr] 
Dec 06 13:05:41.220 INFO [stderr] warning: unused import: `DirEntry`
Dec 06 13:05:41.220 INFO [stderr]  --> src/router/article/mod.rs:4:21
Dec 06 13:05:41.220 INFO [stderr]   |
Dec 06 13:05:41.220 INFO [stderr] 4 | use std::fs::{self, DirEntry};
Dec 06 13:05:41.220 INFO [stderr]   |                     ^^^^^^^^
Dec 06 13:05:41.220 INFO [stderr] 
Dec 06 13:05:41.220 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 06 13:05:41.220 INFO [stderr]   --> src/router/mod.rs:23:5
Dec 06 13:05:41.220 INFO [stderr]    |
Dec 06 13:05:41.220 INFO [stderr] 23 | use std::collections::HashMap;
Dec 06 13:05:41.220 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:05:41.220 INFO [stderr] 
Dec 06 13:05:41.220 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 06 13:05:41.220 INFO [stderr]   --> src/router/mod.rs:57:5
Dec 06 13:05:41.220 INFO [stderr]    |
Dec 06 13:05:41.220 INFO [stderr] 57 | use std::io::prelude::*;
Dec 06 13:05:41.220 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 13:05:41.220 INFO [stderr] 
Dec 06 13:05:41.628 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:05:41.628 INFO [stderr]    --> src/router/mod.rs:110:21
Dec 06 13:05:41.628 INFO [stderr]     |
Dec 06 13:05:41.628 INFO [stderr] 110 |             context.add("articles", &c.articles)
Dec 06 13:05:41.628 INFO [stderr]     |                     ^^^
Dec 06 13:05:41.628 INFO [stderr]     |
Dec 06 13:05:41.628 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 06 13:05:41.628 INFO [stderr] 
Dec 06 13:05:41.632 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:05:41.632 INFO [stderr]    --> src/router/mod.rs:139:21
Dec 06 13:05:41.632 INFO [stderr]     |
Dec 06 13:05:41.632 INFO [stderr] 139 |             context.add("content", &c);
Dec 06 13:05:41.632 INFO [stderr]     |                     ^^^
Dec 06 13:05:41.632 INFO [stderr] 
Dec 06 13:05:41.692 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:05:41.692 INFO [stderr]    --> src/router/article/mod.rs:158:13
Dec 06 13:05:41.692 INFO [stderr]     |
Dec 06 13:05:41.692 INFO [stderr] 158 |     context.add("markdown_body", &r);
Dec 06 13:05:41.692 INFO [stderr]     |             ^^^
Dec 06 13:05:41.692 INFO [stderr] 
Dec 06 13:05:41.692 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:05:41.692 INFO [stderr]    --> src/router/article/mod.rs:159:13
Dec 06 13:05:41.692 INFO [stderr]     |
Dec 06 13:05:41.692 INFO [stderr] 159 |     context.add("menu", &get_file_list().unwrap());
Dec 06 13:05:41.692 INFO [stderr]     |             ^^^
Dec 06 13:05:41.692 INFO [stderr] 
Dec 06 13:05:41.712 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:05:41.712 INFO [stderr]   --> src/global/mod.rs:36:13
Dec 06 13:05:41.712 INFO [stderr]    |
Dec 06 13:05:41.712 INFO [stderr] 36 |     context.add("uri", &uri_info.as_str());
Dec 06 13:05:41.712 INFO [stderr]    |             ^^^
Dec 06 13:05:41.712 INFO [stderr] 
Dec 06 13:05:41.712 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:05:41.712 INFO [stderr]   --> src/global/mod.rs:37:13
Dec 06 13:05:41.712 INFO [stderr]    |
Dec 06 13:05:41.712 INFO [stderr] 37 |     context.add("nav_info", &*nav.lock().unwrap());
Dec 06 13:05:41.712 INFO [stderr]    |             ^^^
Dec 06 13:05:41.712 INFO [stderr] 
Dec 06 13:05:41.756 INFO [stderr] warning: unused variable: `article`
Dec 06 13:05:41.756 INFO [stderr]    --> src/router/article/mod.rs:118:9
Dec 06 13:05:41.756 INFO [stderr]     |
Dec 06 13:05:41.756 INFO [stderr] 118 |     for article in files {
Dec 06 13:05:41.756 INFO [stderr]     |         ^^^^^^^ help: consider using `_article` instead
Dec 06 13:05:41.756 INFO [stderr]     |
Dec 06 13:05:41.756 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 13:05:41.756 INFO [stderr] 
Dec 06 13:05:41.756 INFO [stderr] warning: unused variable: `other`
Dec 06 13:05:41.756 INFO [stderr]   --> src/router/article/mod.rs:32:18
Dec 06 13:05:41.756 INFO [stderr]    |
Dec 06 13:05:41.756 INFO [stderr] 32 |     fn eq(&self, other: &Cat) -> bool {
Dec 06 13:05:41.756 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 06 13:05:41.756 INFO [stderr] 
Dec 06 13:05:41.869 INFO [stderr] warning: variable does not need to be mutable
Dec 06 13:05:41.869 INFO [stderr]   --> src/router/mod.rs:95:6
Dec 06 13:05:41.869 INFO [stderr]    |
Dec 06 13:05:41.869 INFO [stderr] 95 |     let mut c:Config = toml::from_str(&contents[..]).unwrap();
Dec 06 13:05:41.869 INFO [stderr]    |         ----^
Dec 06 13:05:41.869 INFO [stderr]    |         |
Dec 06 13:05:41.869 INFO [stderr]    |         help: remove this `mut`
Dec 06 13:05:41.869 INFO [stderr]    |
Dec 06 13:05:41.869 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 13:05:41.869 INFO [stderr] 
Dec 06 13:05:41.887 INFO [stderr] warning: variable does not need to be mutable
Dec 06 13:05:41.887 INFO [stderr]    --> src/router/article/mod.rs:114:9
Dec 06 13:05:41.887 INFO [stderr]     |
Dec 06 13:05:41.887 INFO [stderr] 114 |     let mut menu = Menu {
Dec 06 13:05:41.887 INFO [stderr]     |         ----^^^^
Dec 06 13:05:41.887 INFO [stderr]     |         |
Dec 06 13:05:41.887 INFO [stderr]     |         help: remove this `mut`
Dec 06 13:05:41.887 INFO [stderr] 
Dec 06 13:05:41.916 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:05:41.916 INFO [stderr]   --> src/router/mod.rs:93:2
Dec 06 13:05:41.916 INFO [stderr]    |
Dec 06 13:05:41.916 INFO [stderr] 93 |     f.read_to_string(&mut contents);
Dec 06 13:05:41.916 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:05:41.916 INFO [stderr]    |
Dec 06 13:05:41.916 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 13:05:41.916 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:05:41.916 INFO [stderr] 
Dec 06 13:05:41.916 INFO [stderr] warning: variable `prevIdx` should have a snake case name such as `prev_idx`
Dec 06 13:05:41.916 INFO [stderr]   --> src/router/mod.rs:97:9
Dec 06 13:05:41.916 INFO [stderr]    |
Dec 06 13:05:41.916 INFO [stderr] 97 |     let mut prevIdx = 0;
Dec 06 13:05:41.916 INFO [stderr]    |         ^^^^^^^^^^^
Dec 06 13:05:41.916 INFO [stderr]    |
Dec 06 13:05:41.916 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 13:05:41.916 INFO [stderr] 
Dec 06 13:05:52.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.65s
Dec 06 13:05:52.329 INFO [stderr] su: No module specific data is present
Dec 06 13:05:53.464 INFO running `"docker" "inspect" "b0a663d6f96ac71a4758ee7cb53b624c852839b5917f1a9a0943244258142b2b"`
Dec 06 13:05:53.752 INFO running `"docker" "rm" "-f" "b0a663d6f96ac71a4758ee7cb53b624c852839b5917f1a9a0943244258142b2b"`
Dec 06 13:05:54.089 INFO [stdout] b0a663d6f96ac71a4758ee7cb53b624c852839b5917f1a9a0943244258142b2b
Dec 06 13:05:54.094 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 13:05:54.540 INFO [stdout] e7d54be95bdaf102e3d886930cd593d4bcf42e54a4ea012f96bd8e6ed983b2a5
Dec 06 13:05:54.542 INFO running `"docker" "start" "-a" "e7d54be95bdaf102e3d886930cd593d4bcf42e54a4ea012f96bd8e6ed983b2a5"`
Dec 06 13:05:55.824 INFO [stderr] usermod: no changes
Dec 06 13:05:56.136 INFO [stderr]    Compiling blog v0.1.0 (/source)
Dec 06 13:06:02.753 INFO [stderr] warning: unused import: `std::fmt::Display`
Dec 06 13:06:02.753 INFO [stderr]   --> src/main.rs:15:5
Dec 06 13:06:02.753 INFO [stderr]    |
Dec 06 13:06:02.753 INFO [stderr] 15 | use std::fmt::Display;
Dec 06 13:06:02.753 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 13:06:02.753 INFO [stderr]    |
Dec 06 13:06:02.753 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 13:06:02.753 INFO [stderr] 
Dec 06 13:06:02.753 INFO [stderr] warning: unused import: `rocket::fairing::AdHoc`
Dec 06 13:06:02.753 INFO [stderr]   --> src/main.rs:21:5
Dec 06 13:06:02.753 INFO [stderr]    |
Dec 06 13:06:02.753 INFO [stderr] 21 | use rocket::fairing::AdHoc;
Dec 06 13:06:02.753 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:06:02.753 INFO [stderr] 
Dec 06 13:06:02.753 INFO [stderr] warning: unused import: `Ordering`
Dec 06 13:06:02.753 INFO [stderr]   --> src/main.rs:22:38
Dec 06 13:06:02.753 INFO [stderr]    |
Dec 06 13:06:02.753 INFO [stderr] 22 | use std::sync::atomic::{AtomicUsize, Ordering};
Dec 06 13:06:02.753 INFO [stderr]    |                                      ^^^^^^^^
Dec 06 13:06:02.753 INFO [stderr] 
Dec 06 13:06:02.753 INFO [stderr] warning: unused import: `DirEntry`
Dec 06 13:06:02.753 INFO [stderr]  --> src/router/article/mod.rs:4:21
Dec 06 13:06:02.753 INFO [stderr]   |
Dec 06 13:06:02.753 INFO [stderr] 4 | use std::fs::{self, DirEntry};
Dec 06 13:06:02.753 INFO [stderr]   |                     ^^^^^^^^
Dec 06 13:06:02.753 INFO [stderr] 
Dec 06 13:06:02.754 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 06 13:06:02.754 INFO [stderr]   --> src/router/mod.rs:23:5
Dec 06 13:06:02.754 INFO [stderr]    |
Dec 06 13:06:02.754 INFO [stderr] 23 | use std::collections::HashMap;
Dec 06 13:06:02.754 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:06:02.754 INFO [stderr] 
Dec 06 13:06:02.755 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 06 13:06:02.755 INFO [stderr]   --> src/router/mod.rs:57:5
Dec 06 13:06:02.755 INFO [stderr]    |
Dec 06 13:06:02.755 INFO [stderr] 57 | use std::io::prelude::*;
Dec 06 13:06:02.755 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 13:06:02.755 INFO [stderr] 
Dec 06 13:06:03.078 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:06:03.078 INFO [stderr]    --> src/router/mod.rs:110:21
Dec 06 13:06:03.078 INFO [stderr]     |
Dec 06 13:06:03.078 INFO [stderr] 110 |             context.add("articles", &c.articles)
Dec 06 13:06:03.078 INFO [stderr]     |                     ^^^
Dec 06 13:06:03.078 INFO [stderr]     |
Dec 06 13:06:03.078 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 06 13:06:03.079 INFO [stderr] 
Dec 06 13:06:03.083 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:06:03.083 INFO [stderr]    --> src/router/mod.rs:139:21
Dec 06 13:06:03.083 INFO [stderr]     |
Dec 06 13:06:03.083 INFO [stderr] 139 |             context.add("content", &c);
Dec 06 13:06:03.083 INFO [stderr]     |                     ^^^
Dec 06 13:06:03.083 INFO [stderr] 
Dec 06 13:06:03.140 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:06:03.140 INFO [stderr]    --> src/router/article/mod.rs:158:13
Dec 06 13:06:03.140 INFO [stderr]     |
Dec 06 13:06:03.140 INFO [stderr] 158 |     context.add("markdown_body", &r);
Dec 06 13:06:03.140 INFO [stderr]     |             ^^^
Dec 06 13:06:03.140 INFO [stderr] 
Dec 06 13:06:03.140 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:06:03.140 INFO [stderr]    --> src/router/article/mod.rs:159:13
Dec 06 13:06:03.140 INFO [stderr]     |
Dec 06 13:06:03.140 INFO [stderr] 159 |     context.add("menu", &get_file_list().unwrap());
Dec 06 13:06:03.140 INFO [stderr]     |             ^^^
Dec 06 13:06:03.140 INFO [stderr] 
Dec 06 13:06:03.161 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:06:03.161 INFO [stderr]   --> src/global/mod.rs:36:13
Dec 06 13:06:03.161 INFO [stderr]    |
Dec 06 13:06:03.161 INFO [stderr] 36 |     context.add("uri", &uri_info.as_str());
Dec 06 13:06:03.161 INFO [stderr]    |             ^^^
Dec 06 13:06:03.161 INFO [stderr] 
Dec 06 13:06:03.161 INFO [stderr] warning: use of deprecated item 'tera::Context::add': Use `insert` instead to keep consistency with std collections
Dec 06 13:06:03.161 INFO [stderr]   --> src/global/mod.rs:37:13
Dec 06 13:06:03.161 INFO [stderr]    |
Dec 06 13:06:03.161 INFO [stderr] 37 |     context.add("nav_info", &*nav.lock().unwrap());
Dec 06 13:06:03.161 INFO [stderr]    |             ^^^
Dec 06 13:06:03.161 INFO [stderr] 
Dec 06 13:06:03.196 INFO [stderr] warning: unused variable: `article`
Dec 06 13:06:03.196 INFO [stderr]    --> src/router/article/mod.rs:118:9
Dec 06 13:06:03.196 INFO [stderr]     |
Dec 06 13:06:03.196 INFO [stderr] 118 |     for article in files {
Dec 06 13:06:03.196 INFO [stderr]     |         ^^^^^^^ help: consider using `_article` instead
Dec 06 13:06:03.196 INFO [stderr]     |
Dec 06 13:06:03.196 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 13:06:03.196 INFO [stderr] 
Dec 06 13:06:03.196 INFO [stderr] warning: unused variable: `other`
Dec 06 13:06:03.196 INFO [stderr]   --> src/router/article/mod.rs:32:18
Dec 06 13:06:03.196 INFO [stderr]    |
Dec 06 13:06:03.196 INFO [stderr] 32 |     fn eq(&self, other: &Cat) -> bool {
Dec 06 13:06:03.196 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 06 13:06:03.196 INFO [stderr] 
Dec 06 13:06:03.293 INFO [stderr] warning: variable does not need to be mutable
Dec 06 13:06:03.293 INFO [stderr]   --> src/router/mod.rs:95:6
Dec 06 13:06:03.293 INFO [stderr]    |
Dec 06 13:06:03.293 INFO [stderr] 95 |     let mut c:Config = toml::from_str(&contents[..]).unwrap();
Dec 06 13:06:03.293 INFO [stderr]    |         ----^
Dec 06 13:06:03.293 INFO [stderr]    |         |
Dec 06 13:06:03.293 INFO [stderr]    |         help: remove this `mut`
Dec 06 13:06:03.293 INFO [stderr]    |
Dec 06 13:06:03.293 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 13:06:03.293 INFO [stderr] 
Dec 06 13:06:03.314 INFO [stderr] warning: variable does not need to be mutable
Dec 06 13:06:03.314 INFO [stderr]    --> src/router/article/mod.rs:114:9
Dec 06 13:06:03.314 INFO [stderr]     |
Dec 06 13:06:03.314 INFO [stderr] 114 |     let mut menu = Menu {
Dec 06 13:06:03.314 INFO [stderr]     |         ----^^^^
Dec 06 13:06:03.314 INFO [stderr]     |         |
Dec 06 13:06:03.314 INFO [stderr]     |         help: remove this `mut`
Dec 06 13:06:03.314 INFO [stderr] 
Dec 06 13:06:03.339 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:06:03.339 INFO [stderr]   --> src/router/mod.rs:93:2
Dec 06 13:06:03.339 INFO [stderr]    |
Dec 06 13:06:03.339 INFO [stderr] 93 |     f.read_to_string(&mut contents);
Dec 06 13:06:03.339 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:06:03.339 INFO [stderr]    |
Dec 06 13:06:03.339 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 13:06:03.339 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:06:03.339 INFO [stderr] 
Dec 06 13:06:03.339 INFO [stderr] warning: variable `prevIdx` should have a snake case name such as `prev_idx`
Dec 06 13:06:03.339 INFO [stderr]   --> src/router/mod.rs:97:9
Dec 06 13:06:03.339 INFO [stderr]    |
Dec 06 13:06:03.339 INFO [stderr] 97 |     let mut prevIdx = 0;
Dec 06 13:06:03.339 INFO [stderr]    |         ^^^^^^^^^^^
Dec 06 13:06:03.339 INFO [stderr]    |
Dec 06 13:06:03.339 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 13:06:03.339 INFO [stderr] 
Dec 06 13:06:11.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.32s
Dec 06 13:06:11.184 INFO [stderr] su: No module specific data is present
Dec 06 13:06:12.537 INFO running `"docker" "inspect" "e7d54be95bdaf102e3d886930cd593d4bcf42e54a4ea012f96bd8e6ed983b2a5"`
Dec 06 13:06:12.870 INFO running `"docker" "rm" "-f" "e7d54be95bdaf102e3d886930cd593d4bcf42e54a4ea012f96bd8e6ed983b2a5"`
Dec 06 13:06:13.268 INFO [stdout] e7d54be95bdaf102e3d886930cd593d4bcf42e54a4ea012f96bd8e6ed983b2a5
Dec 06 13:06:13.274 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 13:06:13.771 INFO [stdout] 25cafaf1bca9a0ae29f2133b74e663d990f8147e6588707fe1b0320cd2a94c82
Dec 06 13:06:13.773 INFO running `"docker" "start" "-a" "25cafaf1bca9a0ae29f2133b74e663d990f8147e6588707fe1b0320cd2a94c82"`
Dec 06 13:06:15.150 INFO [stderr] usermod: no changes
Dec 06 13:06:15.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
Dec 06 13:06:15.488 INFO [stderr]      Running /target/debug/deps/blog-8734f60e3b83ced8
Dec 06 13:06:15.492 INFO [stdout] 
Dec 06 13:06:15.492 INFO [stdout] running 0 tests
Dec 06 13:06:15.492 INFO [stdout] 
Dec 06 13:06:15.492 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 13:06:15.492 INFO [stdout] 
Dec 06 13:06:15.494 INFO [stderr] su: No module specific data is present
Dec 06 13:06:16.223 INFO running `"docker" "inspect" "25cafaf1bca9a0ae29f2133b74e663d990f8147e6588707fe1b0320cd2a94c82"`
Dec 06 13:06:16.407 INFO running `"docker" "rm" "-f" "25cafaf1bca9a0ae29f2133b74e663d990f8147e6588707fe1b0320cd2a94c82"`
Dec 06 13:06:16.615 INFO [stdout] 25cafaf1bca9a0ae29f2133b74e663d990f8147e6588707fe1b0320cd2a94c82