Oct 12 22:41:04.464 INFO checking dewaka/chainmap against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 22:41:04.464 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 22:41:04.674 INFO blam! 01746916abc9d1bc3dbaa3200f59671f74a849a960b3064784a57b8e2018a51c
Oct 12 22:41:04.678 INFO running `"docker" "start" "-a" "01746916abc9d1bc3dbaa3200f59671f74a849a960b3064784a57b8e2018a51c"`
Oct 12 22:41:05.284 INFO kablam! usermod: no changes
Oct 12 22:41:05.348 INFO kablam!     Checking chainmap v0.1.0 (/source)
Oct 12 22:41:06.752 INFO kablam! warning: variable does not need to be mutable
Oct 12 22:41:06.752 INFO kablam!   --> src/example.rs:16:9
Oct 12 22:41:06.752 INFO kablam!    |
Oct 12 22:41:06.752 INFO kablam! 16 |     let mut clothing = HashMap::new();
Oct 12 22:41:06.752 INFO kablam!    |         ----^^^^^^^^
Oct 12 22:41:06.752 INFO kablam!    |         |
Oct 12 22:41:06.752 INFO kablam!    |         help: remove this `mut`
Oct 12 22:41:06.752 INFO kablam!    |
Oct 12 22:41:06.752 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 22:41:06.752 INFO kablam! 
Oct 12 22:41:06.778 INFO kablam! warning: variable does not need to be mutable
Oct 12 22:41:06.779 INFO kablam!   --> src/example.rs:16:9
Oct 12 22:41:06.779 INFO kablam!    |
Oct 12 22:41:06.779 INFO kablam! 16 |     let mut clothing = HashMap::new();
Oct 12 22:41:06.780 INFO kablam!    |         ----^^^^^^^^
Oct 12 22:41:06.780 INFO kablam!    |         |
Oct 12 22:41:06.780 INFO kablam!    |         help: remove this `mut`
Oct 12 22:41:06.780 INFO kablam!    |
Oct 12 22:41:06.780 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 22:41:06.780 INFO kablam! 
Oct 12 22:41:06.812 INFO kablam! warning: method is never used: `insert`
Oct 12 22:41:06.813 INFO kablam!   --> src/lib.rs:27:5
Oct 12 22:41:06.813 INFO kablam!    |
Oct 12 22:41:06.813 INFO kablam! 27 |     pub fn insert(&mut self, k: K, v: V) -> Option<V> {
Oct 12 22:41:06.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:41:06.814 INFO kablam!    |
Oct 12 22:41:06.814 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 22:41:06.814 INFO kablam! 
Oct 12 22:41:06.814 INFO kablam! warning: method is never used: `is_empty`
Oct 12 22:41:06.814 INFO kablam!   --> src/lib.rs:36:5
Oct 12 22:41:06.814 INFO kablam!    |
Oct 12 22:41:06.814 INFO kablam! 36 |     pub fn is_empty(&self) -> bool {
Oct 12 22:41:06.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:41:06.814 INFO kablam! 
Oct 12 22:41:06.814 INFO kablam! warning: method is never used: `empty`
Oct 12 22:41:06.814 INFO kablam!   --> src/lib.rs:51:5
Oct 12 22:41:06.814 INFO kablam!    |
Oct 12 22:41:06.814 INFO kablam! 51 |     pub fn empty() -> Self {
Oct 12 22:41:06.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:41:06.814 INFO kablam! 
Oct 12 22:41:06.814 INFO kablam! warning: method is never used: `add_map`
Oct 12 22:41:06.814 INFO kablam!   --> src/lib.rs:56:5
Oct 12 22:41:06.814 INFO kablam!    |
Oct 12 22:41:06.814 INFO kablam! 56 |     pub fn add_map(&mut self, m: ChainMapType<K, V>) -> &mut Self {
Oct 12 22:41:06.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:41:06.814 INFO kablam! 
Oct 12 22:41:06.814 INFO kablam! warning: method is never used: `to_map`
Oct 12 22:41:06.814 INFO kablam!   --> src/lib.rs:64:5
Oct 12 22:41:06.814 INFO kablam!    |
Oct 12 22:41:06.814 INFO kablam! 64 |     pub fn to_map(&self) -> ChainMapType<K, V> {
Oct 12 22:41:06.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:41:06.814 INFO kablam! 
Oct 12 22:41:06.814 INFO kablam! warning: method is never used: `parents`
Oct 12 22:41:06.814 INFO kablam!   --> src/lib.rs:78:5
Oct 12 22:41:06.814 INFO kablam!    |
Oct 12 22:41:06.814 INFO kablam! 78 |     pub fn parents(&self) -> Option<Self> {
Oct 12 22:41:06.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:41:06.814 INFO kablam! 
Oct 12 22:41:06.814 INFO kablam! warning: method is never used: `children`
Oct 12 22:41:06.814 INFO kablam!   --> src/lib.rs:89:5
Oct 12 22:41:06.814 INFO kablam!    |
Oct 12 22:41:06.814 INFO kablam! 89 |     pub fn children(&self) -> Option<Self> {
Oct 12 22:41:06.814 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:41:06.814 INFO kablam! 
Oct 12 22:41:06.857 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Oct 12 22:41:06.860 INFO kablam! su: No module specific data is present
Oct 12 22:41:07.588 INFO running `"docker" "rm" "-f" "01746916abc9d1bc3dbaa3200f59671f74a849a960b3064784a57b8e2018a51c"`
Oct 12 22:41:07.816 INFO blam! 01746916abc9d1bc3dbaa3200f59671f74a849a960b3064784a57b8e2018a51c