Dec 06 16:14:06.285 INFO testing 3541/bt against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 16:14:06.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:14:06.716 INFO [stdout] 78329973a9adebcbd9d5a2064680858e93fe368a0835919bf94e54436fe82df4
Dec 06 16:14:06.722 INFO running `"docker" "start" "-a" "78329973a9adebcbd9d5a2064680858e93fe368a0835919bf94e54436fe82df4"`
Dec 06 16:14:07.592 INFO [stderr] usermod: no changes
Dec 06 16:14:07.643 INFO [stderr]    Compiling bt v0.1.0 (/source)
Dec 06 16:14:08.072 INFO [stderr] warning: unused import: `std::io`
Dec 06 16:14:08.072 INFO [stderr]  --> src/main.rs:4:5
Dec 06 16:14:08.073 INFO [stderr]   |
Dec 06 16:14:08.073 INFO [stderr] 4 | use std::io;
Dec 06 16:14:08.073 INFO [stderr]   |     ^^^^^^^
Dec 06 16:14:08.073 INFO [stderr]   |
Dec 06 16:14:08.073 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 16:14:08.073 INFO [stderr] 
Dec 06 16:14:08.073 INFO [stderr] warning: unused import: `super::*`
Dec 06 16:14:08.073 INFO [stderr]    --> src/torrent/bencode/mod.rs:155:9
Dec 06 16:14:08.073 INFO [stderr]     |
Dec 06 16:14:08.073 INFO [stderr] 155 |     use super::*;
Dec 06 16:14:08.073 INFO [stderr]     |         ^^^^^^^^
Dec 06 16:14:08.073 INFO [stderr] 
Dec 06 16:14:08.073 INFO [stderr] warning: unused import: `std::fs::File`
Dec 06 16:14:08.073 INFO [stderr]    --> src/torrent/bencode/mod.rs:156:9
Dec 06 16:14:08.073 INFO [stderr]     |
Dec 06 16:14:08.073 INFO [stderr] 156 |     use std::fs::File;
Dec 06 16:14:08.073 INFO [stderr]     |         ^^^^^^^^^^^^^
Dec 06 16:14:08.073 INFO [stderr] 
Dec 06 16:14:08.073 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 06 16:14:08.073 INFO [stderr]    --> src/torrent/bencode/mod.rs:157:9
Dec 06 16:14:08.073 INFO [stderr]     |
Dec 06 16:14:08.073 INFO [stderr] 157 |     use std::io::prelude::*;
Dec 06 16:14:08.073 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.073 INFO [stderr] 
Dec 06 16:14:08.073 INFO [stderr] warning: unused import: `std::io`
Dec 06 16:14:08.073 INFO [stderr]  --> src/torrent/mod.rs:7:5
Dec 06 16:14:08.073 INFO [stderr]   |
Dec 06 16:14:08.073 INFO [stderr] 7 | use std::io;
Dec 06 16:14:08.073 INFO [stderr]   |     ^^^^^^^
Dec 06 16:14:08.073 INFO [stderr] 
Dec 06 16:14:08.150 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:08.150 INFO [stderr]    --> src/torrent/bencode/mod.rs:150:13
Dec 06 16:14:08.150 INFO [stderr]     |
Dec 06 16:14:08.150 INFO [stderr] 150 |         Err(e) => Err("Malformed string. Could not parse length".to_string()),
Dec 06 16:14:08.150 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 06 16:14:08.150 INFO [stderr]     |
Dec 06 16:14:08.150 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 16:14:08.150 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: value assigned to `sign` is never read
Dec 06 16:14:08.151 INFO [stderr]   --> src/torrent/bencode/mod.rs:32:17
Dec 06 16:14:08.151 INFO [stderr]    |
Dec 06 16:14:08.151 INFO [stderr] 32 |         let mut sign = 1;
Dec 06 16:14:08.151 INFO [stderr]    |                 ^^^^
Dec 06 16:14:08.151 INFO [stderr]    |
Dec 06 16:14:08.151 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:08.151 INFO [stderr]   --> src/torrent/bencode/mod.rs:48:17
Dec 06 16:14:08.151 INFO [stderr]    |
Dec 06 16:14:08.151 INFO [stderr] 48 |                 e => { return Err("Unexpected character or field not delimited correctly.".to_string()) },
Dec 06 16:14:08.151 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:08.151 INFO [stderr]   --> src/torrent/bencode/mod.rs:53:17
Dec 06 16:14:08.151 INFO [stderr]    |
Dec 06 16:14:08.151 INFO [stderr] 53 |             Err(e) => Err("Malformed number. Did not parse.".to_string()),
Dec 06 16:14:08.151 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:08.151 INFO [stderr]   --> src/torrent/bencode/mod.rs:62:17
Dec 06 16:14:08.151 INFO [stderr]    |
Dec 06 16:14:08.151 INFO [stderr] 62 |             Err(e) => { return Err("Could not parse string length.".to_string()); },
Dec 06 16:14:08.151 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: value assigned to `key` is never read
Dec 06 16:14:08.151 INFO [stderr]    --> src/torrent/bencode/mod.rs:108:21
Dec 06 16:14:08.151 INFO [stderr]     |
Dec 06 16:14:08.151 INFO [stderr] 108 |             let mut key = ByteString::new();
Dec 06 16:14:08.151 INFO [stderr]     |                     ^^^
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: value assigned to `klen` is never read
Dec 06 16:14:08.151 INFO [stderr]    --> src/torrent/bencode/mod.rs:109:21
Dec 06 16:14:08.151 INFO [stderr]     |
Dec 06 16:14:08.151 INFO [stderr] 109 |             let mut klen:usize = 0;
Dec 06 16:14:08.151 INFO [stderr]     |                     ^^^^
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: unused variable: `len`
Dec 06 16:14:08.151 INFO [stderr]   --> src/torrent/mod.rs:67:41
Dec 06 16:14:08.151 INFO [stderr]    |
Dec 06 16:14:08.151 INFO [stderr] 67 |             Ok((BencodeObject::Dict(d), len)) => {
Dec 06 16:14:08.151 INFO [stderr]    |                                         ^^^ help: consider using `_len` instead
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.151 INFO [stderr] warning: unused variable: `s`
Dec 06 16:14:08.151 INFO [stderr]    --> src/torrent/mod.rs:114:42
Dec 06 16:14:08.151 INFO [stderr]     |
Dec 06 16:14:08.151 INFO [stderr] 114 |                                     Some(s) => {},
Dec 06 16:14:08.151 INFO [stderr]     |                                          ^ help: consider using `_s` instead
Dec 06 16:14:08.151 INFO [stderr] 
Dec 06 16:14:08.152 INFO [stderr] warning: unused variable: `file`
Dec 06 16:14:08.152 INFO [stderr]    --> src/torrent/mod.rs:131:22
Dec 06 16:14:08.152 INFO [stderr]     |
Dec 06 16:14:08.152 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 06 16:14:08.152 INFO [stderr]     |                      ^^^^ help: consider using `_file` instead
Dec 06 16:14:08.152 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: field is never used: `info`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:11:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 11 |     info: Info,
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 16:14:08.178 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: field is never used: `announce`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:12:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 12 |     announce: String,
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 06 16:14:08.178 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: field is never used: `creation_date`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:13:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 13 |     creation_date: Option<u64>,
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.178 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: field is never used: `created_by`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:14:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 14 |     created_by: Option<String>,
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.178 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: field is never used: `comment`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:15:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 15 |     comment: Option<String>,
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.178 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: field is never used: `info`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:19:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 19 |     info: InfoBuilder,
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.178 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: field is never used: `created_by`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:22:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 22 |     created_by: Option<String>,
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.178 INFO [stderr] 
Dec 06 16:14:08.178 INFO [stderr] warning: method is never used: `created_by`
Dec 06 16:14:08.178 INFO [stderr]   --> src/torrent/mod.rs:41:5
Dec 06 16:14:08.178 INFO [stderr]    |
Dec 06 16:14:08.178 INFO [stderr] 41 |     fn created_by(&mut self, c: String) -> &mut TorrentBuilder {
Dec 06 16:14:08.178 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: method is never used: `info`
Dec 06 16:14:08.179 INFO [stderr]   --> src/torrent/mod.rs:46:5
Dec 06 16:14:08.179 INFO [stderr]    |
Dec 06 16:14:08.179 INFO [stderr] 46 |     fn info(&mut self, i: InfoBuilder) -> &mut TorrentBuilder {
Dec 06 16:14:08.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: method is never used: `finalize`
Dec 06 16:14:08.179 INFO [stderr]   --> src/torrent/mod.rs:56:5
Dec 06 16:14:08.179 INFO [stderr]    |
Dec 06 16:14:08.179 INFO [stderr] 56 |     fn finalize(self) -> Result<Torrent, &'static str> {
Dec 06 16:14:08.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: method is never used: `new_multi`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:131:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: function is never used: `print_type`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:136:1
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 136 | fn print_type<T>(_: &T) {
Dec 06 16:14:08.179 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `piece_length`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:142:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 142 |     piece_length: u32,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `pieces`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:143:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 143 |     pieces: Vec<[u8; 20]>,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `private`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:144:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 144 |     private: bool,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `files`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:145:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 145 |     files: TargetFiles,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `piece_length`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:149:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 149 |     piece_length: u32,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `pieces`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:150:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 150 |     pieces: Vec<[u8; 20]>,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `private`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:151:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 151 |     private: bool,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: field is never used: `files`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:152:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 152 |     files: TargetFiles,
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: method is never used: `piece_length`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:160:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 160 |     fn piece_length(&mut self, p: u32) -> &mut InfoBuilder {
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: method is never used: `pieces`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:165:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 165 |     fn pieces(&mut self, p: Vec<[u8; 20]>) -> &mut InfoBuilder {
Dec 06 16:14:08.179 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.179 INFO [stderr] 
Dec 06 16:14:08.179 INFO [stderr] warning: method is never used: `private`
Dec 06 16:14:08.179 INFO [stderr]    --> src/torrent/mod.rs:170:5
Dec 06 16:14:08.179 INFO [stderr]     |
Dec 06 16:14:08.179 INFO [stderr] 170 |     fn private(&mut self, p: bool) -> &mut InfoBuilder {
Dec 06 16:14:08.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.180 INFO [stderr] 
Dec 06 16:14:08.180 INFO [stderr] warning: method is never used: `files`
Dec 06 16:14:08.180 INFO [stderr]    --> src/torrent/mod.rs:175:5
Dec 06 16:14:08.180 INFO [stderr]     |
Dec 06 16:14:08.180 INFO [stderr] 175 |     fn files(&mut self, f: TargetFiles) -> &mut InfoBuilder {
Dec 06 16:14:08.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.180 INFO [stderr] 
Dec 06 16:14:08.180 INFO [stderr] warning: method is never used: `finalize`
Dec 06 16:14:08.180 INFO [stderr]    --> src/torrent/mod.rs:180:5
Dec 06 16:14:08.180 INFO [stderr]     |
Dec 06 16:14:08.180 INFO [stderr] 180 |     fn finalize(self) -> Info {
Dec 06 16:14:08.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.180 INFO [stderr] 
Dec 06 16:14:08.180 INFO [stderr] warning: variant is never constructed: `Single`
Dec 06 16:14:08.180 INFO [stderr]    --> src/torrent/mod.rs:186:5
Dec 06 16:14:08.180 INFO [stderr]     |
Dec 06 16:14:08.180 INFO [stderr] 186 |     Single(TargetFile),
Dec 06 16:14:08.180 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.180 INFO [stderr] 
Dec 06 16:14:08.180 INFO [stderr] warning: field is never used: `name`
Dec 06 16:14:08.180 INFO [stderr]    --> src/torrent/mod.rs:187:13
Dec 06 16:14:08.180 INFO [stderr]     |
Dec 06 16:14:08.180 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 06 16:14:08.180 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 06 16:14:08.180 INFO [stderr] 
Dec 06 16:14:08.180 INFO [stderr] warning: field is never used: `files`
Dec 06 16:14:08.180 INFO [stderr]    --> src/torrent/mod.rs:187:27
Dec 06 16:14:08.180 INFO [stderr]     |
Dec 06 16:14:08.181 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 06 16:14:08.181 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.181 INFO [stderr] 
Dec 06 16:14:08.181 INFO [stderr] warning: field is never used: `name`
Dec 06 16:14:08.181 INFO [stderr]    --> src/torrent/mod.rs:192:5
Dec 06 16:14:08.181 INFO [stderr]     |
Dec 06 16:14:08.181 INFO [stderr] 192 |     name: Option<String>,
Dec 06 16:14:08.181 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.181 INFO [stderr] 
Dec 06 16:14:08.181 INFO [stderr] warning: field is never used: `length`
Dec 06 16:14:08.181 INFO [stderr]    --> src/torrent/mod.rs:193:5
Dec 06 16:14:08.181 INFO [stderr]     |
Dec 06 16:14:08.181 INFO [stderr] 193 |     length: u64,
Dec 06 16:14:08.181 INFO [stderr]     |     ^^^^^^^^^^^
Dec 06 16:14:08.181 INFO [stderr] 
Dec 06 16:14:08.181 INFO [stderr] warning: field is never used: `md5sum`
Dec 06 16:14:08.181 INFO [stderr]    --> src/torrent/mod.rs:194:5
Dec 06 16:14:08.181 INFO [stderr]     |
Dec 06 16:14:08.181 INFO [stderr] 194 |     md5sum: Option<String>,
Dec 06 16:14:08.181 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.181 INFO [stderr] 
Dec 06 16:14:08.181 INFO [stderr] warning: field is never used: `path`
Dec 06 16:14:08.181 INFO [stderr]    --> src/torrent/mod.rs:195:5
Dec 06 16:14:08.181 INFO [stderr]     |
Dec 06 16:14:08.181 INFO [stderr] 195 |     path: Option<String>,
Dec 06 16:14:08.181 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.181 INFO [stderr] 
Dec 06 16:14:08.181 INFO [stderr] warning: function is never used: `print_type`
Dec 06 16:14:08.181 INFO [stderr]   --> src/main.rs:23:1
Dec 06 16:14:08.181 INFO [stderr]    |
Dec 06 16:14:08.181 INFO [stderr] 23 | fn print_type<T>(_: &T) {
Dec 06 16:14:08.181 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.181 INFO [stderr] 
Dec 06 16:14:08.181 INFO [stderr] warning: unused attribute
Dec 06 16:14:08.181 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 06 16:14:08.181 INFO [stderr]   |
Dec 06 16:14:08.181 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 06 16:14:08.188 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.188 INFO [stderr]   |
Dec 06 16:14:08.188 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 06 16:14:08.188 INFO [stderr] 
Dec 06 16:14:08.188 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 06 16:14:08.188 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 06 16:14:08.188 INFO [stderr]   |
Dec 06 16:14:08.188 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 06 16:14:08.188 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.188 INFO [stderr] 
Dec 06 16:14:08.188 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:14:08.188 INFO [stderr]   --> src/main.rs:14:5
Dec 06 16:14:08.188 INFO [stderr]    |
Dec 06 16:14:08.188 INFO [stderr] 14 |     file.read_to_end(&mut contents);
Dec 06 16:14:08.188 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:08.188 INFO [stderr]    |
Dec 06 16:14:08.188 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 16:14:08.188 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:14:08.188 INFO [stderr] 
Dec 06 16:14:08.994 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 06 16:14:08.997 INFO [stderr] su: No module specific data is present
Dec 06 16:14:10.076 INFO running `"docker" "inspect" "78329973a9adebcbd9d5a2064680858e93fe368a0835919bf94e54436fe82df4"`
Dec 06 16:14:10.302 INFO running `"docker" "rm" "-f" "78329973a9adebcbd9d5a2064680858e93fe368a0835919bf94e54436fe82df4"`
Dec 06 16:14:10.600 INFO [stdout] 78329973a9adebcbd9d5a2064680858e93fe368a0835919bf94e54436fe82df4
Dec 06 16:14:10.603 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:14:10.986 INFO [stdout] 18474e4228981cb7fc71f93b075beba72ce29f2efa66cc0e5296c76d93629bf5
Dec 06 16:14:10.988 INFO running `"docker" "start" "-a" "18474e4228981cb7fc71f93b075beba72ce29f2efa66cc0e5296c76d93629bf5"`
Dec 06 16:14:11.883 INFO [stderr] usermod: no changes
Dec 06 16:14:11.914 INFO [stderr]    Compiling bt v0.1.0 (/source)
Dec 06 16:14:12.378 INFO [stderr] warning: unused import: `std::io`
Dec 06 16:14:12.378 INFO [stderr]  --> src/main.rs:4:5
Dec 06 16:14:12.378 INFO [stderr]   |
Dec 06 16:14:12.378 INFO [stderr] 4 | use std::io;
Dec 06 16:14:12.378 INFO [stderr]   |     ^^^^^^^
Dec 06 16:14:12.378 INFO [stderr]   |
Dec 06 16:14:12.378 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 16:14:12.378 INFO [stderr] 
Dec 06 16:14:12.379 INFO [stderr] warning: unused import: `std::io`
Dec 06 16:14:12.379 INFO [stderr]  --> src/torrent/mod.rs:7:5
Dec 06 16:14:12.379 INFO [stderr]   |
Dec 06 16:14:12.379 INFO [stderr] 7 | use std::io;
Dec 06 16:14:12.379 INFO [stderr]   |     ^^^^^^^
Dec 06 16:14:12.379 INFO [stderr] 
Dec 06 16:14:12.508 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:12.508 INFO [stderr]    --> src/torrent/bencode/mod.rs:150:13
Dec 06 16:14:12.508 INFO [stderr]     |
Dec 06 16:14:12.508 INFO [stderr] 150 |         Err(e) => Err("Malformed string. Could not parse length".to_string()),
Dec 06 16:14:12.508 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 06 16:14:12.508 INFO [stderr]     |
Dec 06 16:14:12.508 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 16:14:12.508 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: unused variable: `len`
Dec 06 16:14:12.509 INFO [stderr]    --> src/torrent/bencode/mod.rs:227:38
Dec 06 16:14:12.509 INFO [stderr]     |
Dec 06 16:14:12.509 INFO [stderr] 227 |             (BencodeObject::Dict(d), len) => {
Dec 06 16:14:12.509 INFO [stderr]     |                                      ^^^ help: consider using `_len` instead
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: unused variable: `len`
Dec 06 16:14:12.509 INFO [stderr]    --> src/torrent/bencode/mod.rs:259:37
Dec 06 16:14:12.509 INFO [stderr]     |
Dec 06 16:14:12.509 INFO [stderr] 259 |            (BencodeObject::Dict(d), len) => {
Dec 06 16:14:12.509 INFO [stderr]     |                                     ^^^ help: consider using `_len` instead
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: value assigned to `sign` is never read
Dec 06 16:14:12.509 INFO [stderr]   --> src/torrent/bencode/mod.rs:32:17
Dec 06 16:14:12.509 INFO [stderr]    |
Dec 06 16:14:12.509 INFO [stderr] 32 |         let mut sign = 1;
Dec 06 16:14:12.509 INFO [stderr]    |                 ^^^^
Dec 06 16:14:12.509 INFO [stderr]    |
Dec 06 16:14:12.509 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:12.509 INFO [stderr]   --> src/torrent/bencode/mod.rs:48:17
Dec 06 16:14:12.509 INFO [stderr]    |
Dec 06 16:14:12.509 INFO [stderr] 48 |                 e => { return Err("Unexpected character or field not delimited correctly.".to_string()) },
Dec 06 16:14:12.509 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:12.509 INFO [stderr]   --> src/torrent/bencode/mod.rs:53:17
Dec 06 16:14:12.509 INFO [stderr]    |
Dec 06 16:14:12.509 INFO [stderr] 53 |             Err(e) => Err("Malformed number. Did not parse.".to_string()),
Dec 06 16:14:12.509 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: unused variable: `e`
Dec 06 16:14:12.509 INFO [stderr]   --> src/torrent/bencode/mod.rs:62:17
Dec 06 16:14:12.509 INFO [stderr]    |
Dec 06 16:14:12.509 INFO [stderr] 62 |             Err(e) => { return Err("Could not parse string length.".to_string()); },
Dec 06 16:14:12.509 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: value assigned to `key` is never read
Dec 06 16:14:12.509 INFO [stderr]    --> src/torrent/bencode/mod.rs:108:21
Dec 06 16:14:12.509 INFO [stderr]     |
Dec 06 16:14:12.509 INFO [stderr] 108 |             let mut key = ByteString::new();
Dec 06 16:14:12.509 INFO [stderr]     |                     ^^^
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: value assigned to `klen` is never read
Dec 06 16:14:12.509 INFO [stderr]    --> src/torrent/bencode/mod.rs:109:21
Dec 06 16:14:12.509 INFO [stderr]     |
Dec 06 16:14:12.509 INFO [stderr] 109 |             let mut klen:usize = 0;
Dec 06 16:14:12.509 INFO [stderr]     |                     ^^^^
Dec 06 16:14:12.509 INFO [stderr] 
Dec 06 16:14:12.509 INFO [stderr] warning: unused variable: `len`
Dec 06 16:14:12.509 INFO [stderr]   --> src/torrent/mod.rs:67:41
Dec 06 16:14:12.509 INFO [stderr]    |
Dec 06 16:14:12.509 INFO [stderr] 67 |             Ok((BencodeObject::Dict(d), len)) => {
Dec 06 16:14:12.509 INFO [stderr]    |                                         ^^^ help: consider using `_len` instead
Dec 06 16:14:12.510 INFO [stderr] 
Dec 06 16:14:12.510 INFO [stderr] warning: unused variable: `s`
Dec 06 16:14:12.510 INFO [stderr]    --> src/torrent/mod.rs:114:42
Dec 06 16:14:12.510 INFO [stderr]     |
Dec 06 16:14:12.510 INFO [stderr] 114 |                                     Some(s) => {},
Dec 06 16:14:12.510 INFO [stderr]     |                                          ^ help: consider using `_s` instead
Dec 06 16:14:12.510 INFO [stderr] 
Dec 06 16:14:12.510 INFO [stderr] warning: unused variable: `file`
Dec 06 16:14:12.510 INFO [stderr]    --> src/torrent/mod.rs:131:22
Dec 06 16:14:12.510 INFO [stderr]     |
Dec 06 16:14:12.510 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 06 16:14:12.510 INFO [stderr]     |                      ^^^^ help: consider using `_file` instead
Dec 06 16:14:12.510 INFO [stderr] 
Dec 06 16:14:12.562 INFO [stderr] warning: field is never used: `info`
Dec 06 16:14:12.562 INFO [stderr]   --> src/torrent/mod.rs:11:5
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr] 11 |     info: Info,
Dec 06 16:14:12.562 INFO [stderr]    |     ^^^^^^^^^^
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 16:14:12.562 INFO [stderr] 
Dec 06 16:14:12.562 INFO [stderr] warning: field is never used: `announce`
Dec 06 16:14:12.562 INFO [stderr]   --> src/torrent/mod.rs:12:5
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr] 12 |     announce: String,
Dec 06 16:14:12.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 06 16:14:12.562 INFO [stderr] 
Dec 06 16:14:12.562 INFO [stderr] warning: field is never used: `creation_date`
Dec 06 16:14:12.562 INFO [stderr]   --> src/torrent/mod.rs:13:5
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr] 13 |     creation_date: Option<u64>,
Dec 06 16:14:12.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.562 INFO [stderr] 
Dec 06 16:14:12.562 INFO [stderr] warning: field is never used: `created_by`
Dec 06 16:14:12.562 INFO [stderr]   --> src/torrent/mod.rs:14:5
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr] 14 |     created_by: Option<String>,
Dec 06 16:14:12.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.562 INFO [stderr] 
Dec 06 16:14:12.562 INFO [stderr] warning: field is never used: `comment`
Dec 06 16:14:12.562 INFO [stderr]   --> src/torrent/mod.rs:15:5
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr] 15 |     comment: Option<String>,
Dec 06 16:14:12.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.562 INFO [stderr] 
Dec 06 16:14:12.562 INFO [stderr] warning: field is never used: `info`
Dec 06 16:14:12.562 INFO [stderr]   --> src/torrent/mod.rs:19:5
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr] 19 |     info: InfoBuilder,
Dec 06 16:14:12.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.562 INFO [stderr] 
Dec 06 16:14:12.562 INFO [stderr] warning: field is never used: `created_by`
Dec 06 16:14:12.562 INFO [stderr]   --> src/torrent/mod.rs:22:5
Dec 06 16:14:12.562 INFO [stderr]    |
Dec 06 16:14:12.562 INFO [stderr] 22 |     created_by: Option<String>,
Dec 06 16:14:12.562 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: method is never used: `created_by`
Dec 06 16:14:12.563 INFO [stderr]   --> src/torrent/mod.rs:41:5
Dec 06 16:14:12.563 INFO [stderr]    |
Dec 06 16:14:12.563 INFO [stderr] 41 |     fn created_by(&mut self, c: String) -> &mut TorrentBuilder {
Dec 06 16:14:12.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: method is never used: `info`
Dec 06 16:14:12.563 INFO [stderr]   --> src/torrent/mod.rs:46:5
Dec 06 16:14:12.563 INFO [stderr]    |
Dec 06 16:14:12.563 INFO [stderr] 46 |     fn info(&mut self, i: InfoBuilder) -> &mut TorrentBuilder {
Dec 06 16:14:12.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: method is never used: `finalize`
Dec 06 16:14:12.563 INFO [stderr]   --> src/torrent/mod.rs:56:5
Dec 06 16:14:12.563 INFO [stderr]    |
Dec 06 16:14:12.563 INFO [stderr] 56 |     fn finalize(self) -> Result<Torrent, &'static str> {
Dec 06 16:14:12.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: method is never used: `new_multi`
Dec 06 16:14:12.563 INFO [stderr]    --> src/torrent/mod.rs:131:5
Dec 06 16:14:12.563 INFO [stderr]     |
Dec 06 16:14:12.563 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 06 16:14:12.563 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: function is never used: `print_type`
Dec 06 16:14:12.563 INFO [stderr]    --> src/torrent/mod.rs:136:1
Dec 06 16:14:12.563 INFO [stderr]     |
Dec 06 16:14:12.563 INFO [stderr] 136 | fn print_type<T>(_: &T) {
Dec 06 16:14:12.563 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: field is never used: `piece_length`
Dec 06 16:14:12.563 INFO [stderr]    --> src/torrent/mod.rs:142:5
Dec 06 16:14:12.563 INFO [stderr]     |
Dec 06 16:14:12.563 INFO [stderr] 142 |     piece_length: u32,
Dec 06 16:14:12.563 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: field is never used: `pieces`
Dec 06 16:14:12.563 INFO [stderr]    --> src/torrent/mod.rs:143:5
Dec 06 16:14:12.563 INFO [stderr]     |
Dec 06 16:14:12.563 INFO [stderr] 143 |     pieces: Vec<[u8; 20]>,
Dec 06 16:14:12.563 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: field is never used: `private`
Dec 06 16:14:12.563 INFO [stderr]    --> src/torrent/mod.rs:144:5
Dec 06 16:14:12.563 INFO [stderr]     |
Dec 06 16:14:12.563 INFO [stderr] 144 |     private: bool,
Dec 06 16:14:12.563 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: field is never used: `files`
Dec 06 16:14:12.563 INFO [stderr]    --> src/torrent/mod.rs:145:5
Dec 06 16:14:12.563 INFO [stderr]     |
Dec 06 16:14:12.563 INFO [stderr] 145 |     files: TargetFiles,
Dec 06 16:14:12.563 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.563 INFO [stderr] warning: field is never used: `piece_length`
Dec 06 16:14:12.563 INFO [stderr]    --> src/torrent/mod.rs:149:5
Dec 06 16:14:12.563 INFO [stderr]     |
Dec 06 16:14:12.563 INFO [stderr] 149 |     piece_length: u32,
Dec 06 16:14:12.563 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.563 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: field is never used: `pieces`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:150:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 150 |     pieces: Vec<[u8; 20]>,
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: field is never used: `private`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:151:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 151 |     private: bool,
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: field is never used: `files`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:152:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 152 |     files: TargetFiles,
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: method is never used: `piece_length`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:160:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 160 |     fn piece_length(&mut self, p: u32) -> &mut InfoBuilder {
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: method is never used: `pieces`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:165:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 165 |     fn pieces(&mut self, p: Vec<[u8; 20]>) -> &mut InfoBuilder {
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: method is never used: `private`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:170:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 170 |     fn private(&mut self, p: bool) -> &mut InfoBuilder {
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: method is never used: `files`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:175:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 175 |     fn files(&mut self, f: TargetFiles) -> &mut InfoBuilder {
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: method is never used: `finalize`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:180:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 180 |     fn finalize(self) -> Info {
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: variant is never constructed: `Single`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:186:5
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 186 |     Single(TargetFile),
Dec 06 16:14:12.565 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: field is never used: `name`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:187:13
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 06 16:14:12.565 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.565 INFO [stderr] warning: field is never used: `files`
Dec 06 16:14:12.565 INFO [stderr]    --> src/torrent/mod.rs:187:27
Dec 06 16:14:12.565 INFO [stderr]     |
Dec 06 16:14:12.565 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 06 16:14:12.565 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.565 INFO [stderr] 
Dec 06 16:14:12.566 INFO [stderr] warning: field is never used: `name`
Dec 06 16:14:12.566 INFO [stderr]    --> src/torrent/mod.rs:192:5
Dec 06 16:14:12.566 INFO [stderr]     |
Dec 06 16:14:12.566 INFO [stderr] 192 |     name: Option<String>,
Dec 06 16:14:12.566 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.566 INFO [stderr] 
Dec 06 16:14:12.566 INFO [stderr] warning: field is never used: `length`
Dec 06 16:14:12.566 INFO [stderr]    --> src/torrent/mod.rs:193:5
Dec 06 16:14:12.566 INFO [stderr]     |
Dec 06 16:14:12.566 INFO [stderr] 193 |     length: u64,
Dec 06 16:14:12.566 INFO [stderr]     |     ^^^^^^^^^^^
Dec 06 16:14:12.566 INFO [stderr] 
Dec 06 16:14:12.566 INFO [stderr] warning: field is never used: `md5sum`
Dec 06 16:14:12.566 INFO [stderr]    --> src/torrent/mod.rs:194:5
Dec 06 16:14:12.566 INFO [stderr]     |
Dec 06 16:14:12.566 INFO [stderr] 194 |     md5sum: Option<String>,
Dec 06 16:14:12.566 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.566 INFO [stderr] 
Dec 06 16:14:12.566 INFO [stderr] warning: field is never used: `path`
Dec 06 16:14:12.566 INFO [stderr]    --> src/torrent/mod.rs:195:5
Dec 06 16:14:12.566 INFO [stderr]     |
Dec 06 16:14:12.566 INFO [stderr] 195 |     path: Option<String>,
Dec 06 16:14:12.566 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.566 INFO [stderr] 
Dec 06 16:14:12.566 INFO [stderr] warning: function is never used: `print_type`
Dec 06 16:14:12.566 INFO [stderr]   --> src/main.rs:23:1
Dec 06 16:14:12.566 INFO [stderr]    |
Dec 06 16:14:12.566 INFO [stderr] 23 | fn print_type<T>(_: &T) {
Dec 06 16:14:12.566 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.566 INFO [stderr] 
Dec 06 16:14:12.566 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:14:12.566 INFO [stderr]    --> src/torrent/bencode/mod.rs:256:8
Dec 06 16:14:12.566 INFO [stderr]     |
Dec 06 16:14:12.566 INFO [stderr] 256 |        file.read_to_end(&mut contents);
Dec 06 16:14:12.566 INFO [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.566 INFO [stderr]     |
Dec 06 16:14:12.566 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 16:14:12.566 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:14:12.566 INFO [stderr] 
Dec 06 16:14:12.566 INFO [stderr] warning: unused attribute
Dec 06 16:14:12.566 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 06 16:14:12.567 INFO [stderr]   |
Dec 06 16:14:12.567 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 06 16:14:12.567 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.567 INFO [stderr]   |
Dec 06 16:14:12.567 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 06 16:14:12.567 INFO [stderr] 
Dec 06 16:14:12.576 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 06 16:14:12.576 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 06 16:14:12.576 INFO [stderr]   |
Dec 06 16:14:12.576 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 06 16:14:12.576 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.576 INFO [stderr] 
Dec 06 16:14:12.576 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:14:12.576 INFO [stderr]   --> src/main.rs:14:5
Dec 06 16:14:12.576 INFO [stderr]    |
Dec 06 16:14:12.576 INFO [stderr] 14 |     file.read_to_end(&mut contents);
Dec 06 16:14:12.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:14:12.576 INFO [stderr]    |
Dec 06 16:14:12.576 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:14:12.576 INFO [stderr] 
Dec 06 16:14:13.071 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 06 16:14:13.073 INFO [stderr] su: No module specific data is present
Dec 06 16:14:13.414 INFO running `"docker" "inspect" "18474e4228981cb7fc71f93b075beba72ce29f2efa66cc0e5296c76d93629bf5"`
Dec 06 16:14:13.494 INFO running `"docker" "rm" "-f" "18474e4228981cb7fc71f93b075beba72ce29f2efa66cc0e5296c76d93629bf5"`
Dec 06 16:14:13.598 INFO [stdout] 18474e4228981cb7fc71f93b075beba72ce29f2efa66cc0e5296c76d93629bf5
Dec 06 16:14:13.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:14:13.875 INFO [stdout] cba9c9e47b0b2c9d65901eb0d30ca966bcdd9f324a35c9d973f625507e70c4e4
Dec 06 16:14:13.877 INFO running `"docker" "start" "-a" "cba9c9e47b0b2c9d65901eb0d30ca966bcdd9f324a35c9d973f625507e70c4e4"`
Dec 06 16:14:14.212 INFO [stderr] usermod: no changes
Dec 06 16:14:14.238 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Dec 06 16:14:14.240 INFO [stderr]      Running /target/debug/deps/bt-455441b05ba1c41e
Dec 06 16:14:14.241 INFO [stdout] 
Dec 06 16:14:14.241 INFO [stdout] running 6 tests
Dec 06 16:14:14.242 INFO [stdout] test torrent::bencode::tests::bytestring_from_string ... ok
Dec 06 16:14:14.242 INFO [stdout] test torrent::bencode::tests::get_string_len ... ok
Dec 06 16:14:14.242 INFO [stdout] test torrent::bencode::tests::dict_from_string ... ok
Dec 06 16:14:14.242 INFO [stdout] test torrent::bencode::tests::i64_from_string ... ok
Dec 06 16:14:14.242 INFO [stdout] test torrent::bencode::tests::list_from_string ... ok
Dec 06 16:14:14.242 INFO [stdout] test torrent::bencode::tests::parse_file ... ok
Dec 06 16:14:14.242 INFO [stdout] 
Dec 06 16:14:14.242 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 16:14:14.242 INFO [stdout] 
Dec 06 16:14:14.244 INFO [stderr] su: No module specific data is present
Dec 06 16:14:14.522 INFO running `"docker" "inspect" "cba9c9e47b0b2c9d65901eb0d30ca966bcdd9f324a35c9d973f625507e70c4e4"`
Dec 06 16:14:14.612 INFO running `"docker" "rm" "-f" "cba9c9e47b0b2c9d65901eb0d30ca966bcdd9f324a35c9d973f625507e70c4e4"`
Dec 06 16:14:14.716 INFO [stdout] cba9c9e47b0b2c9d65901eb0d30ca966bcdd9f324a35c9d973f625507e70c4e4