Oct 12 20:10:27.862 INFO checking jackwickham/rust-webserver against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:10:27.862 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 20:10:28.276 INFO blam! 4e4b4c3952123aceb77edcc89a67a48fc56a2bc73fceb42e046e10db000e40c4
Oct 12 20:10:28.278 INFO running `"docker" "start" "-a" "4e4b4c3952123aceb77edcc89a67a48fc56a2bc73fceb42e046e10db000e40c4"`
Oct 12 20:10:29.561 INFO kablam! usermod: no changes
Oct 12 20:10:29.638 INFO kablam!     Checking webserver v0.1.0 (/source)
Oct 12 20:10:30.457 INFO kablam! warning: unused variable: `builder`
Oct 12 20:10:30.458 INFO kablam!    --> src/http/request/mod.rs:277:28
Oct 12 20:10:30.458 INFO kablam!     |
Oct 12 20:10:30.458 INFO kablam! 277 |     fn parse_body<T: Read>(builder: &mut RequestBuilder, it: &mut StreamReader<T>) -> Result<(), ParseError> {
Oct 12 20:10:30.459 INFO kablam!     |                            ^^^^^^^ help: consider using `_builder` instead
Oct 12 20:10:30.459 INFO kablam!     |
Oct 12 20:10:30.459 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 20:10:30.460 INFO kablam! 
Oct 12 20:10:30.460 INFO kablam! warning: unused variable: `it`
Oct 12 20:10:30.461 INFO kablam!    --> src/http/request/mod.rs:277:58
Oct 12 20:10:30.461 INFO kablam!     |
Oct 12 20:10:30.461 INFO kablam! 277 |     fn parse_body<T: Read>(builder: &mut RequestBuilder, it: &mut StreamReader<T>) -> Result<(), ParseError> {
Oct 12 20:10:30.462 INFO kablam!     |                                                          ^^ help: consider using `_it` instead
Oct 12 20:10:30.462 INFO kablam! 
Oct 12 20:10:30.532 INFO kablam! warning: method is never used: `step_back`
Oct 12 20:10:30.532 INFO kablam!   --> src/http/request/util.rs:55:5
Oct 12 20:10:30.532 INFO kablam!    |
Oct 12 20:10:30.532 INFO kablam! 55 |     pub fn step_back(&mut self) -> Option<()> {
Oct 12 20:10:30.532 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.532 INFO kablam!    |
Oct 12 20:10:30.532 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 20:10:30.532 INFO kablam! 
Oct 12 20:10:30.532 INFO kablam! warning: method is never used: `get_inner`
Oct 12 20:10:30.532 INFO kablam!   --> src/http/request/util.rs:65:5
Oct 12 20:10:30.532 INFO kablam!    |
Oct 12 20:10:30.532 INFO kablam! 65 |     pub fn get_inner(&mut self) -> &mut T {
Oct 12 20:10:30.532 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.532 INFO kablam! 
Oct 12 20:10:30.532 INFO kablam! warning: method is never used: `get_body`
Oct 12 20:10:30.532 INFO kablam!    --> src/http/request/mod.rs:375:5
Oct 12 20:10:30.533 INFO kablam!     |
Oct 12 20:10:30.533 INFO kablam! 375 |     pub fn get_body(&mut self) -> &mut Vec<u8> {
Oct 12 20:10:30.533 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.533 INFO kablam! 
Oct 12 20:10:30.533 INFO kablam! warning: method is never used: `get_headers`
Oct 12 20:10:30.533 INFO kablam!    --> src/http/request/mod.rs:384:5
Oct 12 20:10:30.533 INFO kablam!     |
Oct 12 20:10:30.533 INFO kablam! 384 |     pub fn get_headers(&self) -> &HashMap<String, String> {
Oct 12 20:10:30.533 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.533 INFO kablam! 
Oct 12 20:10:30.825 INFO kablam! warning: unused variable: `builder`
Oct 12 20:10:30.825 INFO kablam!    --> src/http/request/mod.rs:277:28
Oct 12 20:10:30.825 INFO kablam!     |
Oct 12 20:10:30.825 INFO kablam! 277 |     fn parse_body<T: Read>(builder: &mut RequestBuilder, it: &mut StreamReader<T>) -> Result<(), ParseError> {
Oct 12 20:10:30.825 INFO kablam!     |                            ^^^^^^^ help: consider using `_builder` instead
Oct 12 20:10:30.825 INFO kablam!     |
Oct 12 20:10:30.825 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 20:10:30.825 INFO kablam! 
Oct 12 20:10:30.825 INFO kablam! warning: unused variable: `it`
Oct 12 20:10:30.825 INFO kablam!    --> src/http/request/mod.rs:277:58
Oct 12 20:10:30.825 INFO kablam!     |
Oct 12 20:10:30.825 INFO kablam! 277 |     fn parse_body<T: Read>(builder: &mut RequestBuilder, it: &mut StreamReader<T>) -> Result<(), ParseError> {
Oct 12 20:10:30.825 INFO kablam!     |                                                          ^^ help: consider using `_it` instead
Oct 12 20:10:30.825 INFO kablam! 
Oct 12 20:10:30.879 INFO kablam! warning: method is never used: `step_back`
Oct 12 20:10:30.879 INFO kablam!   --> src/http/request/util.rs:55:5
Oct 12 20:10:30.879 INFO kablam!    |
Oct 12 20:10:30.879 INFO kablam! 55 |     pub fn step_back(&mut self) -> Option<()> {
Oct 12 20:10:30.879 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.879 INFO kablam!    |
Oct 12 20:10:30.879 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 20:10:30.879 INFO kablam! 
Oct 12 20:10:30.879 INFO kablam! warning: method is never used: `get_inner`
Oct 12 20:10:30.879 INFO kablam!   --> src/http/request/util.rs:65:5
Oct 12 20:10:30.879 INFO kablam!    |
Oct 12 20:10:30.879 INFO kablam! 65 |     pub fn get_inner(&mut self) -> &mut T {
Oct 12 20:10:30.879 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.879 INFO kablam! 
Oct 12 20:10:30.879 INFO kablam! warning: method is never used: `get_body`
Oct 12 20:10:30.879 INFO kablam!    --> src/http/request/mod.rs:375:5
Oct 12 20:10:30.879 INFO kablam!     |
Oct 12 20:10:30.879 INFO kablam! 375 |     pub fn get_body(&mut self) -> &mut Vec<u8> {
Oct 12 20:10:30.879 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.879 INFO kablam! 
Oct 12 20:10:30.883 INFO kablam! warning: method is never used: `get_headers`
Oct 12 20:10:30.883 INFO kablam!    --> src/http/request/mod.rs:384:5
Oct 12 20:10:30.883 INFO kablam!     |
Oct 12 20:10:30.883 INFO kablam! 384 |     pub fn get_headers(&self) -> &HashMap<String, String> {
Oct 12 20:10:30.883 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:10:30.883 INFO kablam! 
Oct 12 20:10:30.944 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Oct 12 20:10:30.944 INFO kablam! su: No module specific data is present
Oct 12 20:10:32.066 INFO running `"docker" "rm" "-f" "4e4b4c3952123aceb77edcc89a67a48fc56a2bc73fceb42e046e10db000e40c4"`
Oct 12 20:10:32.448 INFO blam! 4e4b4c3952123aceb77edcc89a67a48fc56a2bc73fceb42e046e10db000e40c4