[INFO] updating cached repository semrov/Chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/semrov/Chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/semrov/Chat" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/semrov/Chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/semrov/Chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/semrov/Chat" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/semrov/Chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/semrov/Chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac79789905fc5748da7636f6a645a1d5a89f14bd
[INFO] sha for GitHub repo semrov/Chat: ac79789905fc5748da7636f6a645a1d5a89f14bd
[INFO] validating manifest of semrov/Chat on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of semrov/Chat on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing semrov/Chat
[INFO] finished frobbing semrov/Chat
[INFO] frobbed toml for semrov/Chat written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/semrov/Chat/Cargo.toml
[INFO] started frobbing semrov/Chat
[INFO] finished frobbing semrov/Chat
[INFO] frobbed toml for semrov/Chat written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/semrov/Chat/Cargo.toml
[INFO] crate semrov/Chat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking semrov/Chat against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/semrov/Chat:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 61d5ffd4b28b9477ee2b263d1a9376084323ca9536655a9223ee62b44b38e2d0
[INFO] running `"docker" "start" "-a" "61d5ffd4b28b9477ee2b263d1a9376084323ca9536655a9223ee62b44b38e2d0"`
[INFO] [stderr]    Compiling http-muncher v0.3.1
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking mio v0.6.5
[INFO] [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/server.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mio::tcp::{TcpListener,TcpStream};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Events`, `PollOpt`, `Poll`, `Ready`
[INFO] [stderr]  --> src/server.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mio::{Ready, Poll, PollOpt, Token,Events};
[INFO] [stderr]   |           ^^^^^  ^^^^  ^^^^^^^        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParserHandler`
[INFO] [stderr]  --> src/client.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use http_muncher::{Parser,ParserHandler};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]   --> src/main.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | use mio::tcp::{TcpListener,TcpStream};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/server.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mio::tcp::{TcpListener,TcpStream};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Events`, `PollOpt`, `Poll`, `Ready`
[INFO] [stderr]  --> src/server.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mio::{Ready, Poll, PollOpt, Token,Events};
[INFO] [stderr]   |           ^^^^^  ^^^^  ^^^^^^^        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParserHandler`
[INFO] [stderr]  --> src/client.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use http_muncher::{Parser,ParserHandler};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]   --> src/main.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | use mio::tcp::{TcpListener,TcpStream};
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/http_parser.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn on_header_field(&mut self, parser : &mut Parser, header : &[u8]) -> bool 
[INFO] [stderr]    |                                   ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/http_parser.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn on_header_value(&mut self, parser: &mut Parser, value: &[u8]) -> bool 
[INFO] [stderr]    |                                   ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/http_parser.rs:43:39
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn on_headers_complete(&mut self, parser : &mut Parser) -> bool 
[INFO] [stderr]    |                                       ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/http_parser.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn on_header_field(&mut self, parser : &mut Parser, header : &[u8]) -> bool 
[INFO] [stderr]    |                                   ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/http_parser.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn on_header_value(&mut self, parser: &mut Parser, value: &[u8]) -> bool 
[INFO] [stderr]    |                                   ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/http_parser.rs:43:39
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn on_headers_complete(&mut self, parser : &mut Parser) -> bool 
[INFO] [stderr]    |                                       ^^^^^^ help: consider prefixing with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `"docker" "inspect" "61d5ffd4b28b9477ee2b263d1a9376084323ca9536655a9223ee62b44b38e2d0"`
[INFO] running `"docker" "rm" "-f" "61d5ffd4b28b9477ee2b263d1a9376084323ca9536655a9223ee62b44b38e2d0"`
[INFO] [stdout] 61d5ffd4b28b9477ee2b263d1a9376084323ca9536655a9223ee62b44b38e2d0