Oct 12 17:37:52.711 INFO checking mcast/markdown-chapterise against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:37:52.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:37:53.136 INFO blam! dbdb08376d2d58a49f1c3a77b2209645040f7a2f6c0c12eca17902a0ee7a48ad
Oct 12 17:37:53.138 INFO running `"docker" "start" "-a" "dbdb08376d2d58a49f1c3a77b2209645040f7a2f6c0c12eca17902a0ee7a48ad"`
Oct 12 17:37:54.241 INFO kablam! usermod: no changes
Oct 12 17:37:54.284 INFO kablam!     Checking markdown-chapterise v0.0.1 (/source)
Oct 12 17:37:54.740 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 17:37:54.740 INFO kablam!  --> src/mdstream.rs:1:5
Oct 12 17:37:54.740 INFO kablam!   |
Oct 12 17:37:54.740 INFO kablam! 1 | use std::cell::RefCell;
Oct 12 17:37:54.740 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 17:37:54.740 INFO kablam!   |
Oct 12 17:37:54.740 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:37:54.740 INFO kablam! 
Oct 12 17:37:54.741 INFO kablam! warning: unused import: `std::iter::FilterMap`
Oct 12 17:37:54.741 INFO kablam!  --> src/mdstream.rs:5:5
Oct 12 17:37:54.741 INFO kablam!   |
Oct 12 17:37:54.741 INFO kablam! 5 | use std::iter::FilterMap;
Oct 12 17:37:54.741 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 17:37:54.741 INFO kablam! 
Oct 12 17:37:54.741 INFO kablam! warning: unused import: `std::io::Lines`
Oct 12 17:37:54.741 INFO kablam!  --> src/mdstream.rs:6:5
Oct 12 17:37:54.741 INFO kablam!   |
Oct 12 17:37:54.741 INFO kablam! 6 | use std::io::Lines;
Oct 12 17:37:54.741 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 12 17:37:54.741 INFO kablam! 
Oct 12 17:37:54.741 INFO kablam! warning: unused import: `std::io::BufReader`
Oct 12 17:37:54.741 INFO kablam!  --> src/mdstream.rs:7:5
Oct 12 17:37:54.741 INFO kablam!   |
Oct 12 17:37:54.741 INFO kablam! 7 | use std::io::BufReader;
Oct 12 17:37:54.741 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 17:37:54.741 INFO kablam! 
Oct 12 17:37:54.741 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 17:37:54.741 INFO kablam!  --> src/mdstream.rs:8:5
Oct 12 17:37:54.741 INFO kablam!   |
Oct 12 17:37:54.741 INFO kablam! 8 | use std::fs::File;
Oct 12 17:37:54.741 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 17:37:54.741 INFO kablam! 
Oct 12 17:37:54.752 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 12 17:37:54.752 INFO kablam!  --> src/mdstream.rs:1:5
Oct 12 17:37:54.752 INFO kablam!   |
Oct 12 17:37:54.752 INFO kablam! 1 | use std::cell::RefCell;
Oct 12 17:37:54.752 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 17:37:54.753 INFO kablam!   |
Oct 12 17:37:54.753 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:37:54.753 INFO kablam! 
Oct 12 17:37:54.753 INFO kablam! warning: unused import: `std::iter::FilterMap`
Oct 12 17:37:54.753 INFO kablam!  --> src/mdstream.rs:5:5
Oct 12 17:37:54.753 INFO kablam!   |
Oct 12 17:37:54.753 INFO kablam! 5 | use std::iter::FilterMap;
Oct 12 17:37:54.753 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 17:37:54.753 INFO kablam! 
Oct 12 17:37:54.753 INFO kablam! warning: unused import: `std::io::Lines`
Oct 12 17:37:54.753 INFO kablam!  --> src/mdstream.rs:6:5
Oct 12 17:37:54.753 INFO kablam!   |
Oct 12 17:37:54.753 INFO kablam! 6 | use std::io::Lines;
Oct 12 17:37:54.753 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 12 17:37:54.753 INFO kablam! 
Oct 12 17:37:54.753 INFO kablam! warning: unused import: `std::io::BufReader`
Oct 12 17:37:54.756 INFO kablam!  --> src/mdstream.rs:7:5
Oct 12 17:37:54.756 INFO kablam!   |
Oct 12 17:37:54.756 INFO kablam! 7 | use std::io::BufReader;
Oct 12 17:37:54.756 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 12 17:37:54.756 INFO kablam! 
Oct 12 17:37:54.756 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 17:37:54.756 INFO kablam!  --> src/mdstream.rs:8:5
Oct 12 17:37:54.756 INFO kablam!   |
Oct 12 17:37:54.756 INFO kablam! 8 | use std::fs::File;
Oct 12 17:37:54.756 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 17:37:54.756 INFO kablam! 
Oct 12 17:37:54.884 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:37:54.884 INFO kablam!   --> src/mdstream.rs:45:13
Oct 12 17:37:54.884 INFO kablam!    |
Oct 12 17:37:54.884 INFO kablam! 45 |         let mut lines = self.input.deref_mut();
Oct 12 17:37:54.884 INFO kablam!    |             ----^^^^^
Oct 12 17:37:54.884 INFO kablam!    |             |
Oct 12 17:37:54.884 INFO kablam!    |             help: remove this `mut`
Oct 12 17:37:54.884 INFO kablam!    |
Oct 12 17:37:54.884 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:37:54.884 INFO kablam! 
Oct 12 17:37:54.884 INFO kablam! warning: method is never used: `new`
Oct 12 17:37:54.884 INFO kablam!   --> src/mdstream.rs:33:5
Oct 12 17:37:54.884 INFO kablam!    |
Oct 12 17:37:54.884 INFO kablam! 33 |     pub fn new(lines: Box<Iterator<Item=String>>) -> MarkdownStream
Oct 12 17:37:54.884 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:37:54.884 INFO kablam!    |
Oct 12 17:37:54.884 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:37:54.884 INFO kablam! 
Oct 12 17:37:54.908 INFO kablam! warning: unused variable: `obj`
Oct 12 17:37:54.908 INFO kablam!   --> src/main.rs:75:9
Oct 12 17:37:54.908 INFO kablam!    |
Oct 12 17:37:54.908 INFO kablam! 75 |     let obj = "bar";
Oct 12 17:37:54.908 INFO kablam!    |         ^^^ help: consider using `_obj` instead
Oct 12 17:37:54.908 INFO kablam!    |
Oct 12 17:37:54.908 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 17:37:54.908 INFO kablam! 
Oct 12 17:37:54.989 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:37:54.989 INFO kablam!   --> src/mdstream.rs:45:13
Oct 12 17:37:54.989 INFO kablam!    |
Oct 12 17:37:54.989 INFO kablam! 45 |         let mut lines = self.input.deref_mut();
Oct 12 17:37:54.989 INFO kablam!    |             ----^^^^^
Oct 12 17:37:54.989 INFO kablam!    |             |
Oct 12 17:37:54.989 INFO kablam!    |             help: remove this `mut`
Oct 12 17:37:54.989 INFO kablam!    |
Oct 12 17:37:54.989 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:37:54.989 INFO kablam! 
Oct 12 17:37:55.088 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Oct 12 17:37:55.090 INFO kablam! su: No module specific data is present
Oct 12 17:37:55.806 INFO running `"docker" "rm" "-f" "dbdb08376d2d58a49f1c3a77b2209645040f7a2f6c0c12eca17902a0ee7a48ad"`
Oct 12 17:37:56.160 INFO blam! dbdb08376d2d58a49f1c3a77b2209645040f7a2f6c0c12eca17902a0ee7a48ad