Dec 12 19:09:35.083 INFO testing zyxw59/formatting against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 19:09:35.083 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 19:09:35.565 INFO [stdout] 556dbb057556914c362b6c193026c9aec754bc1ccf46fa2660706ff92716a3af
Dec 12 19:09:35.573 INFO running `"docker" "start" "-a" "556dbb057556914c362b6c193026c9aec754bc1ccf46fa2660706ff92716a3af"`
Dec 12 19:09:37.771 INFO [stderr] usermod: no changes
Dec 12 19:09:37.947 INFO [stderr]    Compiling unicode-xid v0.0.4
Dec 12 19:09:37.948 INFO [stderr]    Compiling cc v1.0.13
Dec 12 19:09:37.948 INFO [stderr]    Compiling quote v0.3.15
Dec 12 19:09:37.948 INFO [stderr]    Compiling libc v0.2.40
Dec 12 19:09:37.948 INFO [stderr]    Compiling cfg-if v0.1.2
Dec 12 19:09:37.948 INFO [stderr]    Compiling rustc-demangle v0.1.7
Dec 12 19:09:38.899 INFO [stderr]    Compiling synom v0.11.3
Dec 12 19:09:41.331 INFO [stderr]    Compiling syn v0.11.11
Dec 12 19:09:46.091 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 12 19:09:51.243 INFO [stderr]    Compiling synstructure v0.6.1
Dec 12 19:09:53.755 INFO [stderr]    Compiling failure_derive v0.1.1
Dec 12 19:10:02.336 INFO [stderr]    Compiling backtrace v0.3.6
Dec 12 19:10:03.577 INFO [stderr]    Compiling failure v0.1.1
Dec 12 19:10:04.388 INFO [stderr]    Compiling formatting v0.1.0 (/source)
Dec 12 19:10:04.543 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 19:10:04.543 INFO [stderr]  --> src/main.rs:2:1
Dec 12 19:10:04.543 INFO [stderr]   |
Dec 12 19:10:04.543 INFO [stderr] 2 | #[macro_use]
Dec 12 19:10:04.544 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 19:10:04.544 INFO [stderr]   |
Dec 12 19:10:04.544 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 19:10:04.544 INFO [stderr] 
Dec 12 19:10:04.550 INFO [stderr] warning: unused imports: `Backtrace`, `Context`, `Fail`, `ResultExt`
Dec 12 19:10:04.550 INFO [stderr]  --> src/parser/mod.rs:1:15
Dec 12 19:10:04.551 INFO [stderr]   |
Dec 12 19:10:04.551 INFO [stderr] 1 | use failure::{Backtrace, Context, Fail, ResultExt};
Dec 12 19:10:04.551 INFO [stderr]   |               ^^^^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^
Dec 12 19:10:04.551 INFO [stderr] 
Dec 12 19:10:04.552 INFO [stderr] warning: unused imports: `ErrorKind`, `Error`
Dec 12 19:10:04.552 INFO [stderr]  --> src/parser/mod.rs:3:14
Dec 12 19:10:04.552 INFO [stderr]   |
Dec 12 19:10:04.552 INFO [stderr] 3 | use errors::{Error, ErrorKind};
Dec 12 19:10:04.553 INFO [stderr]   |              ^^^^^  ^^^^^^^^^
Dec 12 19:10:04.553 INFO [stderr] 
Dec 12 19:10:04.553 INFO [stderr] warning: unused imports: `Backtrace`, `Context`, `Fail`
Dec 12 19:10:04.553 INFO [stderr]  --> src/parser/bufread.rs:3:15
Dec 12 19:10:04.554 INFO [stderr]   |
Dec 12 19:10:04.554 INFO [stderr] 3 | use failure::{Backtrace, Context, Fail, ResultExt};
Dec 12 19:10:04.554 INFO [stderr]   |               ^^^^^^^^^  ^^^^^^^  ^^^^
Dec 12 19:10:04.554 INFO [stderr] 
Dec 12 19:10:04.653 INFO [stderr] warning: method is never used: `kind`
Dec 12 19:10:04.653 INFO [stderr]   --> src/errors.rs:12:5
Dec 12 19:10:04.654 INFO [stderr]    |
Dec 12 19:10:04.654 INFO [stderr] 12 |     pub fn kind(&self) -> ErrorKind {
Dec 12 19:10:04.654 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.654 INFO [stderr]    |
Dec 12 19:10:04.655 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 19:10:04.655 INFO [stderr] 
Dec 12 19:10:04.655 INFO [stderr] warning: variant is never constructed: `EndOfInput`
Dec 12 19:10:04.655 INFO [stderr]   --> src/errors.rs:50:5
Dec 12 19:10:04.655 INFO [stderr]    |
Dec 12 19:10:04.656 INFO [stderr] 50 |     EndOfInput,
Dec 12 19:10:04.656 INFO [stderr]    |     ^^^^^^^^^^
Dec 12 19:10:04.656 INFO [stderr] 
Dec 12 19:10:04.656 INFO [stderr] warning: variant is never constructed: `UnclosedVerbatim`
Dec 12 19:10:04.657 INFO [stderr]   --> src/errors.rs:52:5
Dec 12 19:10:04.657 INFO [stderr]    |
Dec 12 19:10:04.657 INFO [stderr] 52 |     UnclosedVerbatim(usize, usize),
Dec 12 19:10:04.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.657 INFO [stderr] 
Dec 12 19:10:04.658 INFO [stderr] warning: variant is never constructed: `Unicode`
Dec 12 19:10:04.658 INFO [stderr]   --> src/errors.rs:54:5
Dec 12 19:10:04.658 INFO [stderr]    |
Dec 12 19:10:04.658 INFO [stderr] 54 |     Unicode(usize),
Dec 12 19:10:04.659 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 19:10:04.659 INFO [stderr] 
Dec 12 19:10:04.659 INFO [stderr] warning: variant is never constructed: `Io`
Dec 12 19:10:04.659 INFO [stderr]   --> src/errors.rs:56:5
Dec 12 19:10:04.659 INFO [stderr]    |
Dec 12 19:10:04.660 INFO [stderr] 56 |     Io(usize),
Dec 12 19:10:04.660 INFO [stderr]    |     ^^^^^^^^^
Dec 12 19:10:04.660 INFO [stderr] 
Dec 12 19:10:04.660 INFO [stderr] warning: method is never used: `from_io`
Dec 12 19:10:04.660 INFO [stderr]   --> src/errors.rs:60:5
Dec 12 19:10:04.661 INFO [stderr]    |
Dec 12 19:10:04.661 INFO [stderr] 60 |     pub fn from_io(err: &io::Error, line: usize) -> ErrorKind {
Dec 12 19:10:04.661 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.661 INFO [stderr] 
Dec 12 19:10:04.661 INFO [stderr] warning: struct is never constructed: `BufReadIter`
Dec 12 19:10:04.661 INFO [stderr]   --> src/parser/bufread.rs:12:1
Dec 12 19:10:04.661 INFO [stderr]    |
Dec 12 19:10:04.661 INFO [stderr] 12 | pub struct BufReadIter<R> {
Dec 12 19:10:04.661 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.661 INFO [stderr] 
Dec 12 19:10:04.661 INFO [stderr] warning: method is never used: `new`
Dec 12 19:10:04.661 INFO [stderr]   --> src/parser/bufread.rs:22:5
Dec 12 19:10:04.661 INFO [stderr]    |
Dec 12 19:10:04.661 INFO [stderr] 22 |     pub fn new(input: R) -> BufReadIter<R> {
Dec 12 19:10:04.661 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.661 INFO [stderr] 
Dec 12 19:10:04.661 INFO [stderr] warning: method is never used: `column`
Dec 12 19:10:04.661 INFO [stderr]   --> src/parser/bufread.rs:33:5
Dec 12 19:10:04.661 INFO [stderr]    |
Dec 12 19:10:04.661 INFO [stderr] 33 |     pub fn column(&self) -> usize {
Dec 12 19:10:04.661 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.661 INFO [stderr] 
Dec 12 19:10:04.661 INFO [stderr] warning: method is never used: `line`
Dec 12 19:10:04.661 INFO [stderr]   --> src/parser/bufread.rs:38:5
Dec 12 19:10:04.662 INFO [stderr]    |
Dec 12 19:10:04.662 INFO [stderr] 38 |     pub fn line(&self) -> usize {
Dec 12 19:10:04.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.662 INFO [stderr] 
Dec 12 19:10:04.662 INFO [stderr] warning: method is never used: `fill_buffer`
Dec 12 19:10:04.662 INFO [stderr]   --> src/parser/bufread.rs:43:5
Dec 12 19:10:04.662 INFO [stderr]    |
Dec 12 19:10:04.662 INFO [stderr] 43 |     fn fill_buffer(&mut self) -> Result<(), Error> {
Dec 12 19:10:04.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.662 INFO [stderr] 
Dec 12 19:10:04.662 INFO [stderr] warning: method is never used: `next`
Dec 12 19:10:04.662 INFO [stderr]   --> src/parser/bufread.rs:55:5
Dec 12 19:10:04.662 INFO [stderr]    |
Dec 12 19:10:04.662 INFO [stderr] 55 |     pub fn next(&mut self) -> Result<Option<char>, Error> {
Dec 12 19:10:04.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.662 INFO [stderr] 
Dec 12 19:10:04.662 INFO [stderr] warning: method is never used: `expect_next`
Dec 12 19:10:04.662 INFO [stderr]   --> src/parser/bufread.rs:66:5
Dec 12 19:10:04.662 INFO [stderr]    |
Dec 12 19:10:04.662 INFO [stderr] 66 |     pub fn expect_next(&mut self) -> Result<char, Error> {
Dec 12 19:10:04.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.662 INFO [stderr] 
Dec 12 19:10:04.662 INFO [stderr] warning: method is never used: `current`
Dec 12 19:10:04.662 INFO [stderr]   --> src/parser/bufread.rs:72:5
Dec 12 19:10:04.662 INFO [stderr]    |
Dec 12 19:10:04.662 INFO [stderr] 72 |     pub fn current(&self) -> Option<&char> {
Dec 12 19:10:04.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.662 INFO [stderr] 
Dec 12 19:10:04.662 INFO [stderr] warning: method is never used: `peek`
Dec 12 19:10:04.662 INFO [stderr]   --> src/parser/bufread.rs:78:5
Dec 12 19:10:04.662 INFO [stderr]    |
Dec 12 19:10:04.662 INFO [stderr] 78 |     pub fn peek(&self) -> Option<&char> {
Dec 12 19:10:04.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.662 INFO [stderr] 
Dec 12 19:10:04.662 INFO [stderr] warning: struct is never constructed: `Parser`
Dec 12 19:10:04.662 INFO [stderr]   --> src/parser/mod.rs:10:1
Dec 12 19:10:04.662 INFO [stderr]    |
Dec 12 19:10:04.662 INFO [stderr] 10 | pub struct Parser<R> {
Dec 12 19:10:04.662 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:04.662 INFO [stderr] 
Dec 12 19:10:05.119 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.31s
Dec 12 19:10:05.127 INFO [stderr] su: No module specific data is present
Dec 12 19:10:06.340 INFO running `"docker" "inspect" "556dbb057556914c362b6c193026c9aec754bc1ccf46fa2660706ff92716a3af"`
Dec 12 19:10:06.713 INFO running `"docker" "rm" "-f" "556dbb057556914c362b6c193026c9aec754bc1ccf46fa2660706ff92716a3af"`
Dec 12 19:10:07.112 INFO [stdout] 556dbb057556914c362b6c193026c9aec754bc1ccf46fa2660706ff92716a3af
Dec 12 19:10:07.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 19:10:07.615 INFO [stdout] 506aab6df537ace632f2557d5fe07b1cfb8d9117092059dff90adb27624861c9
Dec 12 19:10:07.621 INFO running `"docker" "start" "-a" "506aab6df537ace632f2557d5fe07b1cfb8d9117092059dff90adb27624861c9"`
Dec 12 19:10:09.331 INFO [stderr] usermod: no changes
Dec 12 19:10:09.455 INFO [stderr]    Compiling formatting v0.1.0 (/source)
Dec 12 19:10:09.647 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 19:10:09.647 INFO [stderr]  --> src/main.rs:2:1
Dec 12 19:10:09.647 INFO [stderr]   |
Dec 12 19:10:09.647 INFO [stderr] 2 | #[macro_use]
Dec 12 19:10:09.647 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 19:10:09.647 INFO [stderr]   |
Dec 12 19:10:09.647 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 19:10:09.647 INFO [stderr] 
Dec 12 19:10:09.647 INFO [stderr] warning: unused imports: `Backtrace`, `Context`, `Fail`, `ResultExt`
Dec 12 19:10:09.647 INFO [stderr]  --> src/parser/mod.rs:1:15
Dec 12 19:10:09.647 INFO [stderr]   |
Dec 12 19:10:09.647 INFO [stderr] 1 | use failure::{Backtrace, Context, Fail, ResultExt};
Dec 12 19:10:09.647 INFO [stderr]   |               ^^^^^^^^^  ^^^^^^^  ^^^^  ^^^^^^^^^
Dec 12 19:10:09.647 INFO [stderr] 
Dec 12 19:10:09.647 INFO [stderr] warning: unused imports: `ErrorKind`, `Error`
Dec 12 19:10:09.647 INFO [stderr]  --> src/parser/mod.rs:3:14
Dec 12 19:10:09.647 INFO [stderr]   |
Dec 12 19:10:09.647 INFO [stderr] 3 | use errors::{Error, ErrorKind};
Dec 12 19:10:09.647 INFO [stderr]   |              ^^^^^  ^^^^^^^^^
Dec 12 19:10:09.647 INFO [stderr] 
Dec 12 19:10:09.647 INFO [stderr] warning: unused imports: `Backtrace`, `Context`, `Fail`
Dec 12 19:10:09.647 INFO [stderr]  --> src/parser/bufread.rs:3:15
Dec 12 19:10:09.647 INFO [stderr]   |
Dec 12 19:10:09.647 INFO [stderr] 3 | use failure::{Backtrace, Context, Fail, ResultExt};
Dec 12 19:10:09.647 INFO [stderr]   |               ^^^^^^^^^  ^^^^^^^  ^^^^
Dec 12 19:10:09.647 INFO [stderr] 
Dec 12 19:10:09.746 INFO [stderr] warning: method is never used: `kind`
Dec 12 19:10:09.746 INFO [stderr]   --> src/errors.rs:12:5
Dec 12 19:10:09.746 INFO [stderr]    |
Dec 12 19:10:09.746 INFO [stderr] 12 |     pub fn kind(&self) -> ErrorKind {
Dec 12 19:10:09.746 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.746 INFO [stderr]    |
Dec 12 19:10:09.746 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 19:10:09.746 INFO [stderr] 
Dec 12 19:10:09.746 INFO [stderr] warning: variant is never constructed: `EndOfInput`
Dec 12 19:10:09.746 INFO [stderr]   --> src/errors.rs:50:5
Dec 12 19:10:09.746 INFO [stderr]    |
Dec 12 19:10:09.746 INFO [stderr] 50 |     EndOfInput,
Dec 12 19:10:09.746 INFO [stderr]    |     ^^^^^^^^^^
Dec 12 19:10:09.746 INFO [stderr] 
Dec 12 19:10:09.746 INFO [stderr] warning: variant is never constructed: `UnclosedVerbatim`
Dec 12 19:10:09.746 INFO [stderr]   --> src/errors.rs:52:5
Dec 12 19:10:09.746 INFO [stderr]    |
Dec 12 19:10:09.746 INFO [stderr] 52 |     UnclosedVerbatim(usize, usize),
Dec 12 19:10:09.746 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.746 INFO [stderr] 
Dec 12 19:10:09.746 INFO [stderr] warning: variant is never constructed: `Unicode`
Dec 12 19:10:09.746 INFO [stderr]   --> src/errors.rs:54:5
Dec 12 19:10:09.746 INFO [stderr]    |
Dec 12 19:10:09.746 INFO [stderr] 54 |     Unicode(usize),
Dec 12 19:10:09.746 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 19:10:09.746 INFO [stderr] 
Dec 12 19:10:09.746 INFO [stderr] warning: variant is never constructed: `Io`
Dec 12 19:10:09.746 INFO [stderr]   --> src/errors.rs:56:5
Dec 12 19:10:09.746 INFO [stderr]    |
Dec 12 19:10:09.746 INFO [stderr] 56 |     Io(usize),
Dec 12 19:10:09.746 INFO [stderr]    |     ^^^^^^^^^
Dec 12 19:10:09.746 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `from_io`
Dec 12 19:10:09.747 INFO [stderr]   --> src/errors.rs:60:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 60 |     pub fn from_io(err: &io::Error, line: usize) -> ErrorKind {
Dec 12 19:10:09.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: struct is never constructed: `BufReadIter`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:12:1
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 12 | pub struct BufReadIter<R> {
Dec 12 19:10:09.747 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `new`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:22:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 22 |     pub fn new(input: R) -> BufReadIter<R> {
Dec 12 19:10:09.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `column`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:33:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 33 |     pub fn column(&self) -> usize {
Dec 12 19:10:09.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `line`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:38:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 38 |     pub fn line(&self) -> usize {
Dec 12 19:10:09.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `fill_buffer`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:43:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 43 |     fn fill_buffer(&mut self) -> Result<(), Error> {
Dec 12 19:10:09.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `next`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:55:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 55 |     pub fn next(&mut self) -> Result<Option<char>, Error> {
Dec 12 19:10:09.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `expect_next`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:66:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.747 INFO [stderr] 66 |     pub fn expect_next(&mut self) -> Result<char, Error> {
Dec 12 19:10:09.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.747 INFO [stderr] 
Dec 12 19:10:09.747 INFO [stderr] warning: method is never used: `current`
Dec 12 19:10:09.747 INFO [stderr]   --> src/parser/bufread.rs:72:5
Dec 12 19:10:09.747 INFO [stderr]    |
Dec 12 19:10:09.748 INFO [stderr] 72 |     pub fn current(&self) -> Option<&char> {
Dec 12 19:10:09.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.748 INFO [stderr] 
Dec 12 19:10:09.748 INFO [stderr] warning: method is never used: `peek`
Dec 12 19:10:09.748 INFO [stderr]   --> src/parser/bufread.rs:78:5
Dec 12 19:10:09.748 INFO [stderr]    |
Dec 12 19:10:09.748 INFO [stderr] 78 |     pub fn peek(&self) -> Option<&char> {
Dec 12 19:10:09.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.748 INFO [stderr] 
Dec 12 19:10:09.748 INFO [stderr] warning: struct is never constructed: `Parser`
Dec 12 19:10:09.748 INFO [stderr]   --> src/parser/mod.rs:10:1
Dec 12 19:10:09.748 INFO [stderr]    |
Dec 12 19:10:09.748 INFO [stderr] 10 | pub struct Parser<R> {
Dec 12 19:10:09.748 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 12 19:10:09.748 INFO [stderr] 
Dec 12 19:10:10.137 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 12 19:10:10.144 INFO [stderr] su: No module specific data is present
Dec 12 19:10:10.976 INFO running `"docker" "inspect" "506aab6df537ace632f2557d5fe07b1cfb8d9117092059dff90adb27624861c9"`
Dec 12 19:10:11.364 INFO running `"docker" "rm" "-f" "506aab6df537ace632f2557d5fe07b1cfb8d9117092059dff90adb27624861c9"`
Dec 12 19:10:11.706 INFO [stdout] 506aab6df537ace632f2557d5fe07b1cfb8d9117092059dff90adb27624861c9
Dec 12 19:10:11.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 19:10:12.146 INFO [stdout] bc44de5faf190bf0f0a3877e776193ef935275f4e72bc3c6fa9ad036d46d40b0
Dec 12 19:10:12.148 INFO running `"docker" "start" "-a" "bc44de5faf190bf0f0a3877e776193ef935275f4e72bc3c6fa9ad036d46d40b0"`
Dec 12 19:10:14.090 INFO [stderr] usermod: no changes
Dec 12 19:10:14.193 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 12 19:10:14.193 INFO [stderr]      Running /target/debug/deps/formatting-87e867799f015722
Dec 12 19:10:14.198 INFO [stdout] 
Dec 12 19:10:14.198 INFO [stdout] running 0 tests
Dec 12 19:10:14.198 INFO [stdout] 
Dec 12 19:10:14.198 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 19:10:14.198 INFO [stdout] 
Dec 12 19:10:14.199 INFO [stderr] su: No module specific data is present
Dec 12 19:10:15.056 INFO running `"docker" "inspect" "bc44de5faf190bf0f0a3877e776193ef935275f4e72bc3c6fa9ad036d46d40b0"`
Dec 12 19:10:15.369 INFO running `"docker" "rm" "-f" "bc44de5faf190bf0f0a3877e776193ef935275f4e72bc3c6fa9ad036d46d40b0"`
Dec 12 19:10:15.646 INFO [stdout] bc44de5faf190bf0f0a3877e776193ef935275f4e72bc3c6fa9ad036d46d40b0