Dec 05 10:40:53.922 INFO checking mail-0.1.0-unstable against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:40:53.922 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-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 05 10:40:54.211 INFO [stdout] c3398032f3f1aa27dec47aee79c54453ea21f2a060f5e6cff8847d335774e784
Dec 05 10:40:54.213 INFO running `"docker" "start" "-a" "c3398032f3f1aa27dec47aee79c54453ea21f2a060f5e6cff8847d335774e784"`
Dec 05 10:40:55.069 INFO [stderr] usermod: no changes
Dec 05 10:40:55.088 INFO [stderr]     Checking mail v0.1.0-unstable (/source)
Dec 05 10:40:55.551 INFO [stderr] warning: unused import: `std::default`
Dec 05 10:40:55.551 INFO [stderr]  --> src/message.rs:2:5
Dec 05 10:40:55.551 INFO [stderr]   |
Dec 05 10:40:55.551 INFO [stderr] 2 | use std::default;
Dec 05 10:40:55.551 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 10:40:55.551 INFO [stderr]   |
Dec 05 10:40:55.551 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:40:55.551 INFO [stderr] 
Dec 05 10:40:55.551 INFO [stderr] warning: unused import: `Error`
Dec 05 10:40:55.551 INFO [stderr]  --> src/message.rs:8:5
Dec 05 10:40:55.551 INFO [stderr]   |
Dec 05 10:40:55.551 INFO [stderr] 8 | use Error;
Dec 05 10:40:55.551 INFO [stderr]   |     ^^^^^
Dec 05 10:40:55.551 INFO [stderr] 
Dec 05 10:40:55.551 INFO [stderr] warning: unused import: `ParseError`
Dec 05 10:40:55.551 INFO [stderr]  --> src/message.rs:9:5
Dec 05 10:40:55.551 INFO [stderr]   |
Dec 05 10:40:55.551 INFO [stderr] 9 | use ParseError;
Dec 05 10:40:55.551 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 10:40:55.551 INFO [stderr] 
Dec 05 10:40:55.623 INFO [stderr] warning: unused variable: `ch`
Dec 05 10:40:55.623 INFO [stderr]    --> src/header.rs:114:18
Dec 05 10:40:55.623 INFO [stderr]     |
Dec 05 10:40:55.623 INFO [stderr] 114 |             Some(ch @ _) => self.read_part(),
Dec 05 10:40:55.623 INFO [stderr]     |                  ^^ help: consider using `_ch` instead
Dec 05 10:40:55.623 INFO [stderr]     |
Dec 05 10:40:55.623 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 10:40:55.623 INFO [stderr] 
Dec 05 10:40:55.639 INFO [stderr] warning: method is never used: `new`
Dec 05 10:40:55.639 INFO [stderr]   --> src/header.rs:41:5
Dec 05 10:40:55.639 INFO [stderr]    |
Dec 05 10:40:55.639 INFO [stderr] 41 |     pub fn new(input: &str) -> Lexer {
Dec 05 10:40:55.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.639 INFO [stderr]    |
Dec 05 10:40:55.639 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:40:55.639 INFO [stderr] 
Dec 05 10:40:55.639 INFO [stderr] warning: method is never used: `peek_char_eq`
Dec 05 10:40:55.639 INFO [stderr]   --> src/header.rs:57:5
Dec 05 10:40:55.639 INFO [stderr]    |
Dec 05 10:40:55.639 INFO [stderr] 57 |     fn peek_char_eq(&mut self, ch: char) -> bool {
Dec 05 10:40:55.639 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.639 INFO [stderr] 
Dec 05 10:40:55.639 INFO [stderr] warning: struct is never constructed: `Parser`
Dec 05 10:40:55.639 INFO [stderr]    --> src/header.rs:129:1
Dec 05 10:40:55.639 INFO [stderr]     |
Dec 05 10:40:55.639 INFO [stderr] 129 | struct Parser {
Dec 05 10:40:55.639 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 05 10:40:55.639 INFO [stderr] 
Dec 05 10:40:55.639 INFO [stderr] warning: method is never used: `new`
Dec 05 10:40:55.639 INFO [stderr]    --> src/header.rs:134:5
Dec 05 10:40:55.639 INFO [stderr]     |
Dec 05 10:40:55.639 INFO [stderr] 134 |     pub fn new(strict: bool) -> Self {
Dec 05 10:40:55.639 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.639 INFO [stderr] 
Dec 05 10:40:55.639 INFO [stderr] warning: method is never used: `parse`
Dec 05 10:40:55.639 INFO [stderr]    --> src/header.rs:138:5
Dec 05 10:40:55.639 INFO [stderr]     |
Dec 05 10:40:55.639 INFO [stderr] 138 |     pub fn parse(&mut self, input: &str) -> Result<Header> {
Dec 05 10:40:55.639 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.639 INFO [stderr] 
Dec 05 10:40:55.639 INFO [stderr] warning: method is never used: `unfold_parts`
Dec 05 10:40:55.639 INFO [stderr]    --> src/header.rs:179:5
Dec 05 10:40:55.639 INFO [stderr]     |
Dec 05 10:40:55.639 INFO [stderr] 179 |     fn unfold_parts(self, lexer: &mut Lexer) -> String {
Dec 05 10:40:55.639 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.639 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: method is never used: `from_string`
Dec 05 10:40:55.640 INFO [stderr]    --> src/header.rs:199:5
Dec 05 10:40:55.640 INFO [stderr]     |
Dec 05 10:40:55.640 INFO [stderr] 199 |     pub fn from_string(s: &str) -> Self {
Dec 05 10:40:55.640 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: method is never used: `from_string_strict`
Dec 05 10:40:55.640 INFO [stderr]    --> src/header.rs:203:5
Dec 05 10:40:55.640 INFO [stderr]     |
Dec 05 10:40:55.640 INFO [stderr] 203 |     pub fn from_string_strict(s: &str) -> Result<Self> {
Dec 05 10:40:55.640 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: struct is never constructed: `Message`
Dec 05 10:40:55.640 INFO [stderr]   --> src/message.rs:13:1
Dec 05 10:40:55.640 INFO [stderr]    |
Dec 05 10:40:55.640 INFO [stderr] 13 | pub struct Message<R> {
Dec 05 10:40:55.640 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: method is never used: `from_reader`
Dec 05 10:40:55.640 INFO [stderr]   --> src/message.rs:22:5
Dec 05 10:40:55.640 INFO [stderr]    |
Dec 05 10:40:55.640 INFO [stderr] 22 |     pub fn from_reader(rdr: R) -> Message<R> {
Dec 05 10:40:55.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: method is never used: `from_file`
Dec 05 10:40:55.640 INFO [stderr]   --> src/message.rs:34:5
Dec 05 10:40:55.640 INFO [stderr]    |
Dec 05 10:40:55.640 INFO [stderr] 34 |     pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Message<fs::File>> {
Dec 05 10:40:55.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: method is never used: `from_string`
Dec 05 10:40:55.640 INFO [stderr]   --> src/message.rs:41:5
Dec 05 10:40:55.640 INFO [stderr]    |
Dec 05 10:40:55.640 INFO [stderr] 41 | /     pub fn from_string<'a, S>(s: S) -> Message<io::Cursor<Vec<u8>>>
Dec 05 10:40:55.640 INFO [stderr] 42 | |         where S: Into<String>
Dec 05 10:40:55.640 INFO [stderr] 43 | |     {
Dec 05 10:40:55.640 INFO [stderr] 44 | |         Message::from_bytes(s.into().into_bytes())
Dec 05 10:40:55.640 INFO [stderr] 45 | |     }
Dec 05 10:40:55.640 INFO [stderr]    | |_____^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: method is never used: `from_bytes`
Dec 05 10:40:55.640 INFO [stderr]   --> src/message.rs:48:5
Dec 05 10:40:55.640 INFO [stderr]    |
Dec 05 10:40:55.640 INFO [stderr] 48 | /     pub fn from_bytes<'a, V>(bytes: V) -> Message<io::Cursor<Vec<u8>>>
Dec 05 10:40:55.640 INFO [stderr] 49 | |         where V: Into<Vec<u8>>
Dec 05 10:40:55.640 INFO [stderr] 50 | |     {
Dec 05 10:40:55.640 INFO [stderr] 51 | |         Message::from_reader(io::Cursor::new(bytes.into()))
Dec 05 10:40:55.640 INFO [stderr] 52 | |     }
Dec 05 10:40:55.640 INFO [stderr]    | |_____^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.640 INFO [stderr] warning: method is never used: `get`
Dec 05 10:40:55.640 INFO [stderr]   --> src/message.rs:62:5
Dec 05 10:40:55.640 INFO [stderr]    |
Dec 05 10:40:55.640 INFO [stderr] 62 |     pub fn get(self, name: &str) -> Option<Header> {
Dec 05 10:40:55.640 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.640 INFO [stderr] 
Dec 05 10:40:55.691 INFO [stderr] warning: unused import: `std::default`
Dec 05 10:40:55.692 INFO [stderr]  --> src/message.rs:2:5
Dec 05 10:40:55.692 INFO [stderr]   |
Dec 05 10:40:55.692 INFO [stderr] 2 | use std::default;
Dec 05 10:40:55.692 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 10:40:55.692 INFO [stderr]   |
Dec 05 10:40:55.692 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:40:55.692 INFO [stderr] 
Dec 05 10:40:55.692 INFO [stderr] warning: unused import: `Error`
Dec 05 10:40:55.692 INFO [stderr]  --> src/message.rs:8:5
Dec 05 10:40:55.692 INFO [stderr]   |
Dec 05 10:40:55.693 INFO [stderr] 8 | use Error;
Dec 05 10:40:55.693 INFO [stderr]   |     ^^^^^
Dec 05 10:40:55.693 INFO [stderr] 
Dec 05 10:40:55.693 INFO [stderr] warning: unused import: `ParseError`
Dec 05 10:40:55.693 INFO [stderr]  --> src/message.rs:9:5
Dec 05 10:40:55.693 INFO [stderr]   |
Dec 05 10:40:55.693 INFO [stderr] 9 | use ParseError;
Dec 05 10:40:55.693 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 10:40:55.693 INFO [stderr] 
Dec 05 10:40:55.851 INFO [stderr] warning: unused variable: `ch`
Dec 05 10:40:55.851 INFO [stderr]    --> src/header.rs:114:18
Dec 05 10:40:55.851 INFO [stderr]     |
Dec 05 10:40:55.851 INFO [stderr] 114 |             Some(ch @ _) => self.read_part(),
Dec 05 10:40:55.851 INFO [stderr]     |                  ^^ help: consider using `_ch` instead
Dec 05 10:40:55.851 INFO [stderr]     |
Dec 05 10:40:55.851 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 10:40:55.851 INFO [stderr] 
Dec 05 10:40:55.926 INFO [stderr] warning: method is never used: `peek_char_eq`
Dec 05 10:40:55.927 INFO [stderr]   --> src/header.rs:57:5
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr] 57 |     fn peek_char_eq(&mut self, ch: char) -> bool {
Dec 05 10:40:55.927 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.927 INFO [stderr] warning: method is never used: `unfold_parts`
Dec 05 10:40:55.927 INFO [stderr]    --> src/header.rs:179:5
Dec 05 10:40:55.927 INFO [stderr]     |
Dec 05 10:40:55.927 INFO [stderr] 179 |     fn unfold_parts(self, lexer: &mut Lexer) -> String {
Dec 05 10:40:55.927 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.927 INFO [stderr] warning: struct is never constructed: `Message`
Dec 05 10:40:55.927 INFO [stderr]   --> src/message.rs:13:1
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr] 13 | pub struct Message<R> {
Dec 05 10:40:55.927 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.927 INFO [stderr] warning: method is never used: `from_reader`
Dec 05 10:40:55.927 INFO [stderr]   --> src/message.rs:22:5
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr] 22 |     pub fn from_reader(rdr: R) -> Message<R> {
Dec 05 10:40:55.927 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.927 INFO [stderr] warning: method is never used: `from_file`
Dec 05 10:40:55.927 INFO [stderr]   --> src/message.rs:34:5
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr] 34 |     pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Message<fs::File>> {
Dec 05 10:40:55.927 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.927 INFO [stderr] warning: method is never used: `from_string`
Dec 05 10:40:55.927 INFO [stderr]   --> src/message.rs:41:5
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr] 41 | /     pub fn from_string<'a, S>(s: S) -> Message<io::Cursor<Vec<u8>>>
Dec 05 10:40:55.927 INFO [stderr] 42 | |         where S: Into<String>
Dec 05 10:40:55.927 INFO [stderr] 43 | |     {
Dec 05 10:40:55.927 INFO [stderr] 44 | |         Message::from_bytes(s.into().into_bytes())
Dec 05 10:40:55.927 INFO [stderr] 45 | |     }
Dec 05 10:40:55.927 INFO [stderr]    | |_____^
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.927 INFO [stderr] warning: method is never used: `from_bytes`
Dec 05 10:40:55.927 INFO [stderr]   --> src/message.rs:48:5
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr] 48 | /     pub fn from_bytes<'a, V>(bytes: V) -> Message<io::Cursor<Vec<u8>>>
Dec 05 10:40:55.927 INFO [stderr] 49 | |         where V: Into<Vec<u8>>
Dec 05 10:40:55.927 INFO [stderr] 50 | |     {
Dec 05 10:40:55.927 INFO [stderr] 51 | |         Message::from_reader(io::Cursor::new(bytes.into()))
Dec 05 10:40:55.927 INFO [stderr] 52 | |     }
Dec 05 10:40:55.927 INFO [stderr]    | |_____^
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.927 INFO [stderr] warning: method is never used: `get`
Dec 05 10:40:55.927 INFO [stderr]   --> src/message.rs:62:5
Dec 05 10:40:55.927 INFO [stderr]    |
Dec 05 10:40:55.927 INFO [stderr] 62 |     pub fn get(self, name: &str) -> Option<Header> {
Dec 05 10:40:55.927 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:40:55.927 INFO [stderr] 
Dec 05 10:40:55.958 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 05 10:40:55.971 INFO [stderr] su: No module specific data is present
Dec 05 10:40:56.740 INFO running `"docker" "inspect" "c3398032f3f1aa27dec47aee79c54453ea21f2a060f5e6cff8847d335774e784"`
Dec 05 10:40:57.009 INFO running `"docker" "rm" "-f" "c3398032f3f1aa27dec47aee79c54453ea21f2a060f5e6cff8847d335774e784"`
Dec 05 10:40:57.236 INFO [stdout] c3398032f3f1aa27dec47aee79c54453ea21f2a060f5e6cff8847d335774e784