[INFO] cloning repository nginth/rusterver
[INFO] running `"git" "clone" "--bare" "git://github.com/nginth/rusterver.git" "work/cache/sources/gh/nginth/rusterver"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nginth/rusterver'...
[INFO] running `"git" "clone" "work/cache/sources/gh/nginth/rusterver" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nginth/rusterver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nginth/rusterver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nginth/rusterver" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/nginth/rusterver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/nginth/rusterver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2390309c5ab757005bb37eba9e085e79b45bb8b
[INFO] sha for GitHub repo nginth/rusterver: c2390309c5ab757005bb37eba9e085e79b45bb8b
[INFO] validating manifest of nginth/rusterver on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nginth/rusterver on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nginth/rusterver
[INFO] finished frobbing nginth/rusterver
[INFO] frobbed toml for nginth/rusterver written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nginth/rusterver/Cargo.toml
[INFO] started frobbing nginth/rusterver
[INFO] finished frobbing nginth/rusterver
[INFO] frobbed toml for nginth/rusterver written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/nginth/rusterver/Cargo.toml
[INFO] crate nginth/rusterver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nginth/rusterver against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/nginth/rusterver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7891675c11136da2c581187cb7095d8e6e338ccc2deb27c02b848f1de6351ab1
[INFO] running `"docker" "start" "-a" "7891675c11136da2c581187cb7095d8e6e338ccc2deb27c02b848f1de6351ab1"`
[INFO] [stderr]     Checking rusterver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/http/request.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Lines, BufReader, Error};
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::SplitWhitespace`
[INFO] [stderr]  --> src/http/request.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::SplitWhitespace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request_string`
[INFO] [stderr]   --> src/main.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut request_string = String::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_request_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut reader = BufReader::new(stream);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut request_string = String::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http/response.rs:48:48
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get_byte_response<'b>(&'b mut self, mut byte_vector: &'b mut Vec<u8>) -> &[u8] {
[INFO] [stderr]    |                                                ----^^^^^^^^^^^
[INFO] [stderr]    |                                                |
[INFO] [stderr]    |                                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http/response.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn construct_response<'b>(&'b mut self, mut byte_vector: &'b mut Vec<u8>) {
[INFO] [stderr]    |                                             ----^^^^^^^^^^^
[INFO] [stderr]    |                                             |
[INFO] [stderr]    |                                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_reason`
[INFO] [stderr]   --> src/http/response.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get_reason(&self) -> &'a str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_code`
[INFO] [stderr]   --> src/http/response.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn get_code(&self) -> &'a str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_version`
[INFO] [stderr]   --> src/http/response.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn get_version(&self) -> &'a str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/http/request.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Lines, BufReader, Error};
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::SplitWhitespace`
[INFO] [stderr]  --> src/http/request.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::SplitWhitespace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request_string`
[INFO] [stderr]   --> src/main.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut request_string = String::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_request_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut reader = BufReader::new(stream);
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut request_string = String::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http/response.rs:48:48
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get_byte_response<'b>(&'b mut self, mut byte_vector: &'b mut Vec<u8>) -> &[u8] {
[INFO] [stderr]    |                                                ----^^^^^^^^^^^
[INFO] [stderr]    |                                                |
[INFO] [stderr]    |                                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http/response.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn construct_response<'b>(&'b mut self, mut byte_vector: &'b mut Vec<u8>) {
[INFO] [stderr]    |                                             ----^^^^^^^^^^^
[INFO] [stderr]    |                                             |
[INFO] [stderr]    |                                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_reason`
[INFO] [stderr]   --> src/http/response.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get_reason(&self) -> &'a str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_code`
[INFO] [stderr]   --> src/http/response.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn get_code(&self) -> &'a str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_version`
[INFO] [stderr]   --> src/http/response.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn get_version(&self) -> &'a str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "7891675c11136da2c581187cb7095d8e6e338ccc2deb27c02b848f1de6351ab1"`
[INFO] running `"docker" "rm" "-f" "7891675c11136da2c581187cb7095d8e6e338ccc2deb27c02b848f1de6351ab1"`
[INFO] [stdout] 7891675c11136da2c581187cb7095d8e6e338ccc2deb27c02b848f1de6351ab1