Nov 28 00:53:21.886 INFO checking mcast/markdown-chapterise against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:53:21.886 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 00:53:22.384 INFO [stdout] 882814b66da8191324524a08432e1a1461db232ae30b2cab48f2b19c3d0c7fb7
Nov 28 00:53:22.393 INFO running `"docker" "start" "-a" "882814b66da8191324524a08432e1a1461db232ae30b2cab48f2b19c3d0c7fb7"`
Nov 28 00:53:23.720 INFO [stderr] usermod: no changes
Nov 28 00:53:23.780 INFO [stderr]     Checking markdown-chapterise v0.0.1 (/source)
Nov 28 00:53:24.252 INFO [stderr] warning: unused import: `std::cell::RefCell`
Nov 28 00:53:24.253 INFO [stderr]  --> src/mdstream.rs:1:5
Nov 28 00:53:24.253 INFO [stderr]   |
Nov 28 00:53:24.253 INFO [stderr] 1 | use std::cell::RefCell;
Nov 28 00:53:24.254 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 00:53:24.254 INFO [stderr]   |
Nov 28 00:53:24.254 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:53:24.254 INFO [stderr] 
Nov 28 00:53:24.255 INFO [stderr] warning: unused import: `std::iter::FilterMap`
Nov 28 00:53:24.255 INFO [stderr]  --> src/mdstream.rs:5:5
Nov 28 00:53:24.255 INFO [stderr]   |
Nov 28 00:53:24.255 INFO [stderr] 5 | use std::iter::FilterMap;
Nov 28 00:53:24.256 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 00:53:24.256 INFO [stderr] 
Nov 28 00:53:24.256 INFO [stderr] warning: unused import: `std::io::Lines`
Nov 28 00:53:24.256 INFO [stderr]  --> src/mdstream.rs:6:5
Nov 28 00:53:24.257 INFO [stderr]   |
Nov 28 00:53:24.257 INFO [stderr] 6 | use std::io::Lines;
Nov 28 00:53:24.257 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 00:53:24.257 INFO [stderr] 
Nov 28 00:53:24.258 INFO [stderr] warning: unused import: `std::io::BufReader`
Nov 28 00:53:24.258 INFO [stderr]  --> src/mdstream.rs:7:5
Nov 28 00:53:24.258 INFO [stderr]   |
Nov 28 00:53:24.258 INFO [stderr] 7 | use std::io::BufReader;
Nov 28 00:53:24.259 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 00:53:24.259 INFO [stderr] 
Nov 28 00:53:24.259 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 00:53:24.259 INFO [stderr]  --> src/mdstream.rs:8:5
Nov 28 00:53:24.260 INFO [stderr]   |
Nov 28 00:53:24.260 INFO [stderr] 8 | use std::fs::File;
Nov 28 00:53:24.260 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 00:53:24.260 INFO [stderr] 
Nov 28 00:53:24.264 INFO [stderr] warning: unused import: `std::cell::RefCell`
Nov 28 00:53:24.264 INFO [stderr]  --> src/mdstream.rs:1:5
Nov 28 00:53:24.264 INFO [stderr]   |
Nov 28 00:53:24.264 INFO [stderr] 1 | use std::cell::RefCell;
Nov 28 00:53:24.264 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 00:53:24.264 INFO [stderr]   |
Nov 28 00:53:24.268 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:53:24.272 INFO [stderr] 
Nov 28 00:53:24.272 INFO [stderr] warning: unused import: `std::iter::FilterMap`
Nov 28 00:53:24.272 INFO [stderr]  --> src/mdstream.rs:5:5
Nov 28 00:53:24.272 INFO [stderr]   |
Nov 28 00:53:24.272 INFO [stderr] 5 | use std::iter::FilterMap;
Nov 28 00:53:24.272 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 00:53:24.272 INFO [stderr] 
Nov 28 00:53:24.272 INFO [stderr] warning: unused import: `std::io::Lines`
Nov 28 00:53:24.272 INFO [stderr]  --> src/mdstream.rs:6:5
Nov 28 00:53:24.272 INFO [stderr]   |
Nov 28 00:53:24.272 INFO [stderr] 6 | use std::io::Lines;
Nov 28 00:53:24.272 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 00:53:24.272 INFO [stderr] 
Nov 28 00:53:24.272 INFO [stderr] warning: unused import: `std::io::BufReader`
Nov 28 00:53:24.272 INFO [stderr]  --> src/mdstream.rs:7:5
Nov 28 00:53:24.272 INFO [stderr]   |
Nov 28 00:53:24.272 INFO [stderr] 7 | use std::io::BufReader;
Nov 28 00:53:24.272 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 00:53:24.272 INFO [stderr] 
Nov 28 00:53:24.272 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 00:53:24.272 INFO [stderr]  --> src/mdstream.rs:8:5
Nov 28 00:53:24.272 INFO [stderr]   |
Nov 28 00:53:24.272 INFO [stderr] 8 | use std::fs::File;
Nov 28 00:53:24.272 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 00:53:24.272 INFO [stderr] 
Nov 28 00:53:24.396 INFO [stderr] warning: unused variable: `obj`
Nov 28 00:53:24.396 INFO [stderr]   --> src/main.rs:75:9
Nov 28 00:53:24.396 INFO [stderr]    |
Nov 28 00:53:24.396 INFO [stderr] 75 |     let obj = "bar";
Nov 28 00:53:24.396 INFO [stderr]    |         ^^^ help: consider using `_obj` instead
Nov 28 00:53:24.396 INFO [stderr]    |
Nov 28 00:53:24.396 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 00:53:24.396 INFO [stderr] 
Nov 28 00:53:24.416 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:53:24.418 INFO [stderr]   --> src/mdstream.rs:45:13
Nov 28 00:53:24.418 INFO [stderr]    |
Nov 28 00:53:24.418 INFO [stderr] 45 |         let mut lines = self.input.deref_mut();
Nov 28 00:53:24.418 INFO [stderr]    |             ----^^^^^
Nov 28 00:53:24.418 INFO [stderr]    |             |
Nov 28 00:53:24.418 INFO [stderr]    |             help: remove this `mut`
Nov 28 00:53:24.418 INFO [stderr]    |
Nov 28 00:53:24.418 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 00:53:24.418 INFO [stderr] 
Nov 28 00:53:24.418 INFO [stderr] warning: method is never used: `new`
Nov 28 00:53:24.418 INFO [stderr]   --> src/mdstream.rs:33:5
Nov 28 00:53:24.418 INFO [stderr]    |
Nov 28 00:53:24.418 INFO [stderr] 33 |     pub fn new(lines: Box<Iterator<Item=String>>) -> MarkdownStream
Nov 28 00:53:24.424 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:53:24.424 INFO [stderr]    |
Nov 28 00:53:24.424 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 00:53:24.424 INFO [stderr] 
Nov 28 00:53:24.451 INFO [stderr] warning: variable does not need to be mutable
Nov 28 00:53:24.451 INFO [stderr]   --> src/mdstream.rs:45:13
Nov 28 00:53:24.451 INFO [stderr]    |
Nov 28 00:53:24.451 INFO [stderr] 45 |         let mut lines = self.input.deref_mut();
Nov 28 00:53:24.451 INFO [stderr]    |             ----^^^^^
Nov 28 00:53:24.451 INFO [stderr]    |             |
Nov 28 00:53:24.451 INFO [stderr]    |             help: remove this `mut`
Nov 28 00:53:24.451 INFO [stderr]    |
Nov 28 00:53:24.451 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 00:53:24.451 INFO [stderr] 
Nov 28 00:53:24.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 28 00:53:24.512 INFO [stderr] su: No module specific data is present
Nov 28 00:53:25.004 INFO running `"docker" "inspect" "882814b66da8191324524a08432e1a1461db232ae30b2cab48f2b19c3d0c7fb7"`
Nov 28 00:53:25.352 INFO running `"docker" "rm" "-f" "882814b66da8191324524a08432e1a1461db232ae30b2cab48f2b19c3d0c7fb7"`
Nov 28 00:53:25.668 INFO [stdout] 882814b66da8191324524a08432e1a1461db232ae30b2cab48f2b19c3d0c7fb7