Dec 14 12:42:49.336 INFO testing 3541/bt against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 12:42:49.336 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 12:42:49.946 INFO [stdout] 6249af83dcf9f61062081f325a875767ff675bdbbc59d2dedbff8a8fbaeba041
Dec 14 12:42:49.952 INFO running `"docker" "start" "-a" "6249af83dcf9f61062081f325a875767ff675bdbbc59d2dedbff8a8fbaeba041"`
Dec 14 12:42:51.058 INFO [stderr] usermod: no changes
Dec 14 12:42:51.102 INFO [stderr]    Compiling bt v0.1.0 (/source)
Dec 14 12:42:51.618 INFO [stderr] warning: unused import: `std::io`
Dec 14 12:42:51.619 INFO [stderr]  --> src/main.rs:4:5
Dec 14 12:42:51.619 INFO [stderr]   |
Dec 14 12:42:51.619 INFO [stderr] 4 | use std::io;
Dec 14 12:42:51.619 INFO [stderr]   |     ^^^^^^^
Dec 14 12:42:51.619 INFO [stderr]   |
Dec 14 12:42:51.619 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:42:51.619 INFO [stderr] 
Dec 14 12:42:51.619 INFO [stderr] warning: unused import: `super::*`
Dec 14 12:42:51.619 INFO [stderr]    --> src/torrent/bencode/mod.rs:155:9
Dec 14 12:42:51.619 INFO [stderr]     |
Dec 14 12:42:51.619 INFO [stderr] 155 |     use super::*;
Dec 14 12:42:51.619 INFO [stderr]     |         ^^^^^^^^
Dec 14 12:42:51.619 INFO [stderr] 
Dec 14 12:42:51.619 INFO [stderr] warning: unused import: `std::fs::File`
Dec 14 12:42:51.619 INFO [stderr]    --> src/torrent/bencode/mod.rs:156:9
Dec 14 12:42:51.619 INFO [stderr]     |
Dec 14 12:42:51.619 INFO [stderr] 156 |     use std::fs::File;
Dec 14 12:42:51.619 INFO [stderr]     |         ^^^^^^^^^^^^^
Dec 14 12:42:51.619 INFO [stderr] 
Dec 14 12:42:51.619 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 14 12:42:51.619 INFO [stderr]    --> src/torrent/bencode/mod.rs:157:9
Dec 14 12:42:51.619 INFO [stderr]     |
Dec 14 12:42:51.619 INFO [stderr] 157 |     use std::io::prelude::*;
Dec 14 12:42:51.619 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.619 INFO [stderr] 
Dec 14 12:42:51.619 INFO [stderr] warning: unused import: `std::io`
Dec 14 12:42:51.619 INFO [stderr]  --> src/torrent/mod.rs:7:5
Dec 14 12:42:51.619 INFO [stderr]   |
Dec 14 12:42:51.619 INFO [stderr] 7 | use std::io;
Dec 14 12:42:51.619 INFO [stderr]   |     ^^^^^^^
Dec 14 12:42:51.619 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:51.715 INFO [stderr]    --> src/torrent/bencode/mod.rs:150:13
Dec 14 12:42:51.715 INFO [stderr]     |
Dec 14 12:42:51.715 INFO [stderr] 150 |         Err(e) => Err("Malformed string. Could not parse length".to_string()),
Dec 14 12:42:51.715 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 14 12:42:51.715 INFO [stderr]     |
Dec 14 12:42:51.715 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: value assigned to `sign` is never read
Dec 14 12:42:51.715 INFO [stderr]   --> src/torrent/bencode/mod.rs:32:17
Dec 14 12:42:51.715 INFO [stderr]    |
Dec 14 12:42:51.715 INFO [stderr] 32 |         let mut sign = 1;
Dec 14 12:42:51.715 INFO [stderr]    |                 ^^^^
Dec 14 12:42:51.715 INFO [stderr]    |
Dec 14 12:42:51.715 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:51.715 INFO [stderr]   --> src/torrent/bencode/mod.rs:48:17
Dec 14 12:42:51.715 INFO [stderr]    |
Dec 14 12:42:51.715 INFO [stderr] 48 |                 e => { return Err("Unexpected character or field not delimited correctly.".to_string()) },
Dec 14 12:42:51.715 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:51.715 INFO [stderr]   --> src/torrent/bencode/mod.rs:53:17
Dec 14 12:42:51.715 INFO [stderr]    |
Dec 14 12:42:51.715 INFO [stderr] 53 |             Err(e) => Err("Malformed number. Did not parse.".to_string()),
Dec 14 12:42:51.715 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:51.715 INFO [stderr]   --> src/torrent/bencode/mod.rs:62:17
Dec 14 12:42:51.715 INFO [stderr]    |
Dec 14 12:42:51.715 INFO [stderr] 62 |             Err(e) => { return Err("Could not parse string length.".to_string()); },
Dec 14 12:42:51.715 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: value assigned to `key` is never read
Dec 14 12:42:51.715 INFO [stderr]    --> src/torrent/bencode/mod.rs:108:21
Dec 14 12:42:51.715 INFO [stderr]     |
Dec 14 12:42:51.715 INFO [stderr] 108 |             let mut key = ByteString::new();
Dec 14 12:42:51.715 INFO [stderr]     |                     ^^^
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: value assigned to `klen` is never read
Dec 14 12:42:51.715 INFO [stderr]    --> src/torrent/bencode/mod.rs:109:21
Dec 14 12:42:51.715 INFO [stderr]     |
Dec 14 12:42:51.715 INFO [stderr] 109 |             let mut klen:usize = 0;
Dec 14 12:42:51.715 INFO [stderr]     |                     ^^^^
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: unused variable: `len`
Dec 14 12:42:51.715 INFO [stderr]   --> src/torrent/mod.rs:67:41
Dec 14 12:42:51.715 INFO [stderr]    |
Dec 14 12:42:51.715 INFO [stderr] 67 |             Ok((BencodeObject::Dict(d), len)) => {
Dec 14 12:42:51.715 INFO [stderr]    |                                         ^^^ help: consider using `_len` instead
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: unused variable: `s`
Dec 14 12:42:51.715 INFO [stderr]    --> src/torrent/mod.rs:114:42
Dec 14 12:42:51.715 INFO [stderr]     |
Dec 14 12:42:51.715 INFO [stderr] 114 |                                     Some(s) => {},
Dec 14 12:42:51.715 INFO [stderr]     |                                          ^ help: consider using `_s` instead
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.715 INFO [stderr] warning: unused variable: `file`
Dec 14 12:42:51.715 INFO [stderr]    --> src/torrent/mod.rs:131:22
Dec 14 12:42:51.715 INFO [stderr]     |
Dec 14 12:42:51.715 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 14 12:42:51.715 INFO [stderr]     |                      ^^^^ help: consider using `_file` instead
Dec 14 12:42:51.715 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `info`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:11:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 11 |     info: Info,
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `announce`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:12:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 12 |     announce: String,
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `creation_date`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:13:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 13 |     creation_date: Option<u64>,
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `created_by`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:14:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 14 |     created_by: Option<String>,
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `comment`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:15:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 15 |     comment: Option<String>,
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `info`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:19:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 19 |     info: InfoBuilder,
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `created_by`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:22:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 22 |     created_by: Option<String>,
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: method is never used: `created_by`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:41:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 41 |     fn created_by(&mut self, c: String) -> &mut TorrentBuilder {
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: method is never used: `info`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:46:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 46 |     fn info(&mut self, i: InfoBuilder) -> &mut TorrentBuilder {
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: method is never used: `finalize`
Dec 14 12:42:51.743 INFO [stderr]   --> src/torrent/mod.rs:56:5
Dec 14 12:42:51.743 INFO [stderr]    |
Dec 14 12:42:51.743 INFO [stderr] 56 |     fn finalize(self) -> Result<Torrent, &'static str> {
Dec 14 12:42:51.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: method is never used: `new_multi`
Dec 14 12:42:51.743 INFO [stderr]    --> src/torrent/mod.rs:131:5
Dec 14 12:42:51.743 INFO [stderr]     |
Dec 14 12:42:51.743 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 14 12:42:51.743 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: function is never used: `print_type`
Dec 14 12:42:51.743 INFO [stderr]    --> src/torrent/mod.rs:136:1
Dec 14 12:42:51.743 INFO [stderr]     |
Dec 14 12:42:51.743 INFO [stderr] 136 | fn print_type<T>(_: &T) {
Dec 14 12:42:51.743 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `piece_length`
Dec 14 12:42:51.743 INFO [stderr]    --> src/torrent/mod.rs:142:5
Dec 14 12:42:51.743 INFO [stderr]     |
Dec 14 12:42:51.743 INFO [stderr] 142 |     piece_length: u32,
Dec 14 12:42:51.743 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `pieces`
Dec 14 12:42:51.743 INFO [stderr]    --> src/torrent/mod.rs:143:5
Dec 14 12:42:51.743 INFO [stderr]     |
Dec 14 12:42:51.743 INFO [stderr] 143 |     pieces: Vec<[u8; 20]>,
Dec 14 12:42:51.743 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.743 INFO [stderr] 
Dec 14 12:42:51.743 INFO [stderr] warning: field is never used: `private`
Dec 14 12:42:51.743 INFO [stderr]    --> src/torrent/mod.rs:144:5
Dec 14 12:42:51.743 INFO [stderr]     |
Dec 14 12:42:51.743 INFO [stderr] 144 |     private: bool,
Dec 14 12:42:51.743 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `files`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:145:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 145 |     files: TargetFiles,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `piece_length`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:149:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 149 |     piece_length: u32,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `pieces`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:150:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 150 |     pieces: Vec<[u8; 20]>,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `private`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:151:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 151 |     private: bool,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `files`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:152:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 152 |     files: TargetFiles,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: method is never used: `piece_length`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:160:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 160 |     fn piece_length(&mut self, p: u32) -> &mut InfoBuilder {
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: method is never used: `pieces`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:165:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 165 |     fn pieces(&mut self, p: Vec<[u8; 20]>) -> &mut InfoBuilder {
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: method is never used: `private`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:170:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 170 |     fn private(&mut self, p: bool) -> &mut InfoBuilder {
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: method is never used: `files`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:175:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 175 |     fn files(&mut self, f: TargetFiles) -> &mut InfoBuilder {
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: method is never used: `finalize`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:180:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 180 |     fn finalize(self) -> Info {
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: variant is never constructed: `Single`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:186:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 186 |     Single(TargetFile),
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `name`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:187:13
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 14 12:42:51.744 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `files`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:187:27
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 14 12:42:51.744 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `name`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:192:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 192 |     name: Option<String>,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `length`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:193:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 193 |     length: u64,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^
Dec 14 12:42:51.744 INFO [stderr] 
Dec 14 12:42:51.744 INFO [stderr] warning: field is never used: `md5sum`
Dec 14 12:42:51.744 INFO [stderr]    --> src/torrent/mod.rs:194:5
Dec 14 12:42:51.744 INFO [stderr]     |
Dec 14 12:42:51.744 INFO [stderr] 194 |     md5sum: Option<String>,
Dec 14 12:42:51.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.745 INFO [stderr] 
Dec 14 12:42:51.745 INFO [stderr] warning: field is never used: `path`
Dec 14 12:42:51.745 INFO [stderr]    --> src/torrent/mod.rs:195:5
Dec 14 12:42:51.745 INFO [stderr]     |
Dec 14 12:42:51.745 INFO [stderr] 195 |     path: Option<String>,
Dec 14 12:42:51.745 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.745 INFO [stderr] 
Dec 14 12:42:51.745 INFO [stderr] warning: function is never used: `print_type`
Dec 14 12:42:51.745 INFO [stderr]   --> src/main.rs:23:1
Dec 14 12:42:51.745 INFO [stderr]    |
Dec 14 12:42:51.745 INFO [stderr] 23 | fn print_type<T>(_: &T) {
Dec 14 12:42:51.745 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.745 INFO [stderr] 
Dec 14 12:42:51.745 INFO [stderr] warning: unused attribute
Dec 14 12:42:51.745 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 14 12:42:51.745 INFO [stderr]   |
Dec 14 12:42:51.745 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 14 12:42:51.745 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.745 INFO [stderr]   |
Dec 14 12:42:51.745 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 14 12:42:51.745 INFO [stderr] 
Dec 14 12:42:51.745 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 14 12:42:51.745 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 14 12:42:51.745 INFO [stderr]   |
Dec 14 12:42:51.745 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 14 12:42:51.745 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.745 INFO [stderr] 
Dec 14 12:42:51.745 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:42:51.745 INFO [stderr]   --> src/main.rs:14:5
Dec 14 12:42:51.745 INFO [stderr]    |
Dec 14 12:42:51.745 INFO [stderr] 14 |     file.read_to_end(&mut contents);
Dec 14 12:42:51.745 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:51.745 INFO [stderr]    |
Dec 14 12:42:51.745 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:42:51.745 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:42:51.745 INFO [stderr] 
Dec 14 12:42:53.081 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
Dec 14 12:42:53.083 INFO [stderr] su: No module specific data is present
Dec 14 12:42:54.151 INFO running `"docker" "inspect" "6249af83dcf9f61062081f325a875767ff675bdbbc59d2dedbff8a8fbaeba041"`
Dec 14 12:42:54.515 INFO running `"docker" "rm" "-f" "6249af83dcf9f61062081f325a875767ff675bdbbc59d2dedbff8a8fbaeba041"`
Dec 14 12:42:54.811 INFO [stdout] 6249af83dcf9f61062081f325a875767ff675bdbbc59d2dedbff8a8fbaeba041
Dec 14 12:42:54.817 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 12:42:55.223 INFO [stdout] 5fd75f2b846fe6b35e4ca477e8142ebb45c4dd9f1723628b9b280bd3e90965b8
Dec 14 12:42:55.225 INFO running `"docker" "start" "-a" "5fd75f2b846fe6b35e4ca477e8142ebb45c4dd9f1723628b9b280bd3e90965b8"`
Dec 14 12:42:56.489 INFO [stderr] usermod: no changes
Dec 14 12:42:56.543 INFO [stderr]    Compiling bt v0.1.0 (/source)
Dec 14 12:42:57.291 INFO [stderr] warning: unused import: `std::io`
Dec 14 12:42:57.291 INFO [stderr]  --> src/main.rs:4:5
Dec 14 12:42:57.291 INFO [stderr]   |
Dec 14 12:42:57.291 INFO [stderr] 4 | use std::io;
Dec 14 12:42:57.291 INFO [stderr]   |     ^^^^^^^
Dec 14 12:42:57.291 INFO [stderr]   |
Dec 14 12:42:57.291 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:42:57.291 INFO [stderr] 
Dec 14 12:42:57.291 INFO [stderr] warning: unused import: `std::io`
Dec 14 12:42:57.291 INFO [stderr]  --> src/torrent/mod.rs:7:5
Dec 14 12:42:57.291 INFO [stderr]   |
Dec 14 12:42:57.291 INFO [stderr] 7 | use std::io;
Dec 14 12:42:57.291 INFO [stderr]   |     ^^^^^^^
Dec 14 12:42:57.291 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:57.471 INFO [stderr]    --> src/torrent/bencode/mod.rs:150:13
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr] 150 |         Err(e) => Err("Malformed string. Could not parse length".to_string()),
Dec 14 12:42:57.471 INFO [stderr]     |             ^ help: consider using `_e` instead
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `len`
Dec 14 12:42:57.471 INFO [stderr]    --> src/torrent/bencode/mod.rs:227:38
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr] 227 |             (BencodeObject::Dict(d), len) => {
Dec 14 12:42:57.471 INFO [stderr]     |                                      ^^^ help: consider using `_len` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `len`
Dec 14 12:42:57.471 INFO [stderr]    --> src/torrent/bencode/mod.rs:259:37
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr] 259 |            (BencodeObject::Dict(d), len) => {
Dec 14 12:42:57.471 INFO [stderr]     |                                     ^^^ help: consider using `_len` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: value assigned to `sign` is never read
Dec 14 12:42:57.471 INFO [stderr]   --> src/torrent/bencode/mod.rs:32:17
Dec 14 12:42:57.471 INFO [stderr]    |
Dec 14 12:42:57.471 INFO [stderr] 32 |         let mut sign = 1;
Dec 14 12:42:57.471 INFO [stderr]    |                 ^^^^
Dec 14 12:42:57.471 INFO [stderr]    |
Dec 14 12:42:57.471 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:57.471 INFO [stderr]   --> src/torrent/bencode/mod.rs:48:17
Dec 14 12:42:57.471 INFO [stderr]    |
Dec 14 12:42:57.471 INFO [stderr] 48 |                 e => { return Err("Unexpected character or field not delimited correctly.".to_string()) },
Dec 14 12:42:57.471 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:57.471 INFO [stderr]   --> src/torrent/bencode/mod.rs:53:17
Dec 14 12:42:57.471 INFO [stderr]    |
Dec 14 12:42:57.471 INFO [stderr] 53 |             Err(e) => Err("Malformed number. Did not parse.".to_string()),
Dec 14 12:42:57.471 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `e`
Dec 14 12:42:57.471 INFO [stderr]   --> src/torrent/bencode/mod.rs:62:17
Dec 14 12:42:57.471 INFO [stderr]    |
Dec 14 12:42:57.471 INFO [stderr] 62 |             Err(e) => { return Err("Could not parse string length.".to_string()); },
Dec 14 12:42:57.471 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: value assigned to `key` is never read
Dec 14 12:42:57.471 INFO [stderr]    --> src/torrent/bencode/mod.rs:108:21
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr] 108 |             let mut key = ByteString::new();
Dec 14 12:42:57.471 INFO [stderr]     |                     ^^^
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: value assigned to `klen` is never read
Dec 14 12:42:57.471 INFO [stderr]    --> src/torrent/bencode/mod.rs:109:21
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr] 109 |             let mut klen:usize = 0;
Dec 14 12:42:57.471 INFO [stderr]     |                     ^^^^
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `len`
Dec 14 12:42:57.471 INFO [stderr]   --> src/torrent/mod.rs:67:41
Dec 14 12:42:57.471 INFO [stderr]    |
Dec 14 12:42:57.471 INFO [stderr] 67 |             Ok((BencodeObject::Dict(d), len)) => {
Dec 14 12:42:57.471 INFO [stderr]    |                                         ^^^ help: consider using `_len` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `s`
Dec 14 12:42:57.471 INFO [stderr]    --> src/torrent/mod.rs:114:42
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr] 114 |                                     Some(s) => {},
Dec 14 12:42:57.471 INFO [stderr]     |                                          ^ help: consider using `_s` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.471 INFO [stderr] warning: unused variable: `file`
Dec 14 12:42:57.471 INFO [stderr]    --> src/torrent/mod.rs:131:22
Dec 14 12:42:57.471 INFO [stderr]     |
Dec 14 12:42:57.471 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 14 12:42:57.471 INFO [stderr]     |                      ^^^^ help: consider using `_file` instead
Dec 14 12:42:57.471 INFO [stderr] 
Dec 14 12:42:57.527 INFO [stderr] warning: field is never used: `info`
Dec 14 12:42:57.527 INFO [stderr]   --> src/torrent/mod.rs:11:5
Dec 14 12:42:57.527 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 11 |     info: Info,
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `announce`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:12:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 12 |     announce: String,
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `creation_date`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:13:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 13 |     creation_date: Option<u64>,
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `created_by`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:14:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 14 |     created_by: Option<String>,
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `comment`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:15:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 15 |     comment: Option<String>,
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `info`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:19:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 19 |     info: InfoBuilder,
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `created_by`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:22:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 22 |     created_by: Option<String>,
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: method is never used: `created_by`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:41:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 41 |     fn created_by(&mut self, c: String) -> &mut TorrentBuilder {
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: method is never used: `info`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:46:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 46 |     fn info(&mut self, i: InfoBuilder) -> &mut TorrentBuilder {
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: method is never used: `finalize`
Dec 14 12:42:57.528 INFO [stderr]   --> src/torrent/mod.rs:56:5
Dec 14 12:42:57.528 INFO [stderr]    |
Dec 14 12:42:57.528 INFO [stderr] 56 |     fn finalize(self) -> Result<Torrent, &'static str> {
Dec 14 12:42:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: method is never used: `new_multi`
Dec 14 12:42:57.528 INFO [stderr]    --> src/torrent/mod.rs:131:5
Dec 14 12:42:57.528 INFO [stderr]     |
Dec 14 12:42:57.528 INFO [stderr] 131 |     pub fn new_multi(file: File) -> Torrent {
Dec 14 12:42:57.528 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: function is never used: `print_type`
Dec 14 12:42:57.528 INFO [stderr]    --> src/torrent/mod.rs:136:1
Dec 14 12:42:57.528 INFO [stderr]     |
Dec 14 12:42:57.528 INFO [stderr] 136 | fn print_type<T>(_: &T) {
Dec 14 12:42:57.528 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `piece_length`
Dec 14 12:42:57.528 INFO [stderr]    --> src/torrent/mod.rs:142:5
Dec 14 12:42:57.528 INFO [stderr]     |
Dec 14 12:42:57.528 INFO [stderr] 142 |     piece_length: u32,
Dec 14 12:42:57.528 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `pieces`
Dec 14 12:42:57.528 INFO [stderr]    --> src/torrent/mod.rs:143:5
Dec 14 12:42:57.528 INFO [stderr]     |
Dec 14 12:42:57.528 INFO [stderr] 143 |     pieces: Vec<[u8; 20]>,
Dec 14 12:42:57.528 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `private`
Dec 14 12:42:57.528 INFO [stderr]    --> src/torrent/mod.rs:144:5
Dec 14 12:42:57.528 INFO [stderr]     |
Dec 14 12:42:57.528 INFO [stderr] 144 |     private: bool,
Dec 14 12:42:57.528 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 14 12:42:57.528 INFO [stderr] 
Dec 14 12:42:57.528 INFO [stderr] warning: field is never used: `files`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:145:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 145 |     files: TargetFiles,
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `piece_length`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:149:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 149 |     piece_length: u32,
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `pieces`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:150:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 150 |     pieces: Vec<[u8; 20]>,
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `private`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:151:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 151 |     private: bool,
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `files`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:152:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 152 |     files: TargetFiles,
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: method is never used: `piece_length`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:160:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 160 |     fn piece_length(&mut self, p: u32) -> &mut InfoBuilder {
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: method is never used: `pieces`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:165:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 165 |     fn pieces(&mut self, p: Vec<[u8; 20]>) -> &mut InfoBuilder {
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: method is never used: `private`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:170:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 170 |     fn private(&mut self, p: bool) -> &mut InfoBuilder {
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: method is never used: `files`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:175:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 175 |     fn files(&mut self, f: TargetFiles) -> &mut InfoBuilder {
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: method is never used: `finalize`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:180:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 180 |     fn finalize(self) -> Info {
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: variant is never constructed: `Single`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:186:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 186 |     Single(TargetFile),
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `name`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:187:13
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 14 12:42:57.529 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `files`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:187:27
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 187 |     Multi { name: String, files: Vec<TargetFile> },
Dec 14 12:42:57.529 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `name`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:192:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 192 |     name: Option<String>,
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `length`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:193:5
Dec 14 12:42:57.529 INFO [stderr]     |
Dec 14 12:42:57.529 INFO [stderr] 193 |     length: u64,
Dec 14 12:42:57.529 INFO [stderr]     |     ^^^^^^^^^^^
Dec 14 12:42:57.529 INFO [stderr] 
Dec 14 12:42:57.529 INFO [stderr] warning: field is never used: `md5sum`
Dec 14 12:42:57.529 INFO [stderr]    --> src/torrent/mod.rs:194:5
Dec 14 12:42:57.530 INFO [stderr]     |
Dec 14 12:42:57.530 INFO [stderr] 194 |     md5sum: Option<String>,
Dec 14 12:42:57.530 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.530 INFO [stderr] 
Dec 14 12:42:57.530 INFO [stderr] warning: field is never used: `path`
Dec 14 12:42:57.530 INFO [stderr]    --> src/torrent/mod.rs:195:5
Dec 14 12:42:57.530 INFO [stderr]     |
Dec 14 12:42:57.530 INFO [stderr] 195 |     path: Option<String>,
Dec 14 12:42:57.530 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.530 INFO [stderr] 
Dec 14 12:42:57.530 INFO [stderr] warning: function is never used: `print_type`
Dec 14 12:42:57.530 INFO [stderr]   --> src/main.rs:23:1
Dec 14 12:42:57.530 INFO [stderr]    |
Dec 14 12:42:57.530 INFO [stderr] 23 | fn print_type<T>(_: &T) {
Dec 14 12:42:57.530 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.530 INFO [stderr] 
Dec 14 12:42:57.534 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:42:57.534 INFO [stderr]    --> src/torrent/bencode/mod.rs:256:8
Dec 14 12:42:57.534 INFO [stderr]     |
Dec 14 12:42:57.534 INFO [stderr] 256 |        file.read_to_end(&mut contents);
Dec 14 12:42:57.534 INFO [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.534 INFO [stderr]     |
Dec 14 12:42:57.534 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 12:42:57.534 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:42:57.535 INFO [stderr] 
Dec 14 12:42:57.535 INFO [stderr] warning: unused attribute
Dec 14 12:42:57.535 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 14 12:42:57.535 INFO [stderr]   |
Dec 14 12:42:57.535 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 14 12:42:57.535 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.539 INFO [stderr]   |
Dec 14 12:42:57.539 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 14 12:42:57.539 INFO [stderr] 
Dec 14 12:42:57.539 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 14 12:42:57.539 INFO [stderr]  --> src/torrent/mod.rs:4:1
Dec 14 12:42:57.539 INFO [stderr]   |
Dec 14 12:42:57.539 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 14 12:42:57.539 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.539 INFO [stderr] 
Dec 14 12:42:57.539 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:42:57.539 INFO [stderr]   --> src/main.rs:14:5
Dec 14 12:42:57.539 INFO [stderr]    |
Dec 14 12:42:57.539 INFO [stderr] 14 |     file.read_to_end(&mut contents);
Dec 14 12:42:57.539 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:42:57.539 INFO [stderr]    |
Dec 14 12:42:57.539 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:42:57.539 INFO [stderr] 
Dec 14 12:42:58.475 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Dec 14 12:42:58.475 INFO [stderr] su: No module specific data is present
Dec 14 12:42:59.312 INFO running `"docker" "inspect" "5fd75f2b846fe6b35e4ca477e8142ebb45c4dd9f1723628b9b280bd3e90965b8"`
Dec 14 12:42:59.562 INFO running `"docker" "rm" "-f" "5fd75f2b846fe6b35e4ca477e8142ebb45c4dd9f1723628b9b280bd3e90965b8"`
Dec 14 12:42:59.919 INFO [stdout] 5fd75f2b846fe6b35e4ca477e8142ebb45c4dd9f1723628b9b280bd3e90965b8
Dec 14 12:42:59.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 12:43:00.289 INFO [stdout] e721346b5a708813c4e5ad42ef07d16c5c8d3893f46648adcc1f1c14fd30e28d
Dec 14 12:43:00.293 INFO running `"docker" "start" "-a" "e721346b5a708813c4e5ad42ef07d16c5c8d3893f46648adcc1f1c14fd30e28d"`
Dec 14 12:43:01.545 INFO [stderr] usermod: no changes
Dec 14 12:43:01.655 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 12:43:01.655 INFO [stderr]      Running /target/debug/deps/bt-021b1ba8758ffb24
Dec 14 12:43:01.668 INFO [stdout] 
Dec 14 12:43:01.669 INFO [stdout] running 6 tests
Dec 14 12:43:01.669 INFO [stdout] test torrent::bencode::tests::bytestring_from_string ... ok
Dec 14 12:43:01.669 INFO [stdout] test torrent::bencode::tests::dict_from_string ... ok
Dec 14 12:43:01.669 INFO [stdout] test torrent::bencode::tests::parse_file ... ok
Dec 14 12:43:01.669 INFO [stdout] test torrent::bencode::tests::list_from_string ... ok
Dec 14 12:43:01.669 INFO [stdout] test torrent::bencode::tests::i64_from_string ... ok
Dec 14 12:43:01.669 INFO [stdout] test torrent::bencode::tests::get_string_len ... ok
Dec 14 12:43:01.669 INFO [stdout] 
Dec 14 12:43:01.669 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:43:01.669 INFO [stdout] 
Dec 14 12:43:01.678 INFO [stderr] su: No module specific data is present
Dec 14 12:43:02.331 INFO running `"docker" "inspect" "e721346b5a708813c4e5ad42ef07d16c5c8d3893f46648adcc1f1c14fd30e28d"`
Dec 14 12:43:02.580 INFO running `"docker" "rm" "-f" "e721346b5a708813c4e5ad42ef07d16c5c8d3893f46648adcc1f1c14fd30e28d"`
Dec 14 12:43:02.826 INFO [stdout] e721346b5a708813c4e5ad42ef07d16c5c8d3893f46648adcc1f1c14fd30e28d