[INFO] updating cached repository Murano/simple-rust-websocket-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Murano/simple-rust-websocket-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Murano/simple-rust-websocket-server" "work/ex/beta-1.37-6/sources/1.36.0/gh/Murano/simple-rust-websocket-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Murano/simple-rust-websocket-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Murano/simple-rust-websocket-server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Murano/simple-rust-websocket-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Murano/simple-rust-websocket-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 10bc1d52e0c2866ab33303182f8e97786879eb3e
[INFO] sha for GitHub repo Murano/simple-rust-websocket-server: 10bc1d52e0c2866ab33303182f8e97786879eb3e
[INFO] validating manifest of Murano/simple-rust-websocket-server on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Murano/simple-rust-websocket-server on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Murano/simple-rust-websocket-server
[INFO] finished frobbing Murano/simple-rust-websocket-server
[INFO] frobbed toml for Murano/simple-rust-websocket-server written to work/ex/beta-1.37-6/sources/1.36.0/gh/Murano/simple-rust-websocket-server/Cargo.toml
[INFO] started frobbing Murano/simple-rust-websocket-server
[INFO] finished frobbing Murano/simple-rust-websocket-server
[INFO] frobbed toml for Murano/simple-rust-websocket-server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Murano/simple-rust-websocket-server/Cargo.toml
[INFO] crate Murano/simple-rust-websocket-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Murano/simple-rust-websocket-server against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Murano/simple-rust-websocket-server:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] afd13608f293025cbec0d1d5a7466b0174f49b905e23192d5a28f77a9556c24f
[INFO] running `"docker" "start" "-a" "afd13608f293025cbec0d1d5a7466b0174f49b905e23192d5a28f77a9556c24f"`
[INFO] [stderr]    Compiling http-muncher v0.3.1
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Handler`
[INFO] [stderr]  --> src/main.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use mio::deprecated::{EventLoop, Handler};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `websocket_client::*`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use websocket_client::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/websocket_server.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]   --> src/websocket_server.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |              token: Token, events: Ready)
[INFO] [stderr]    |                            ^^^^^^ help: consider prefixing with an underscore: `_events`
[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/websocket_server.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 let mut client = self.clients.get_mut(&token).unwrap();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `"docker" "inspect" "afd13608f293025cbec0d1d5a7466b0174f49b905e23192d5a28f77a9556c24f"`
[INFO] running `"docker" "rm" "-f" "afd13608f293025cbec0d1d5a7466b0174f49b905e23192d5a28f77a9556c24f"`
[INFO] [stdout] afd13608f293025cbec0d1d5a7466b0174f49b905e23192d5a28f77a9556c24f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Murano/simple-rust-websocket-server:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] bde11f1a0cf3443c41891e3603edf01608ea768298efcee2549966b1e7af00a8
[INFO] running `"docker" "start" "-a" "bde11f1a0cf3443c41891e3603edf01608ea768298efcee2549966b1e7af00a8"`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Handler`
[INFO] [stderr]  --> src/main.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use mio::deprecated::{EventLoop, Handler};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `websocket_client::*`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use websocket_client::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/websocket_server.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `events`
[INFO] [stderr]   --> src/websocket_server.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |              token: Token, events: Ready)
[INFO] [stderr]    |                            ^^^^^^ help: consider prefixing with an underscore: `_events`
[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/websocket_server.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 let mut client = self.clients.get_mut(&token).unwrap();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "bde11f1a0cf3443c41891e3603edf01608ea768298efcee2549966b1e7af00a8"`
[INFO] running `"docker" "rm" "-f" "bde11f1a0cf3443c41891e3603edf01608ea768298efcee2549966b1e7af00a8"`
[INFO] [stdout] bde11f1a0cf3443c41891e3603edf01608ea768298efcee2549966b1e7af00a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Murano/simple-rust-websocket-server:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ff7a9862bb92626cb067d82bdb38f1ab444f51ffdc041da7db46ac05d24fda38
[INFO] running `"docker" "start" "-a" "ff7a9862bb92626cb067d82bdb38f1ab444f51ffdc041da7db46ac05d24fda38"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chat-1ec1f2505ebd2314
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ff7a9862bb92626cb067d82bdb38f1ab444f51ffdc041da7db46ac05d24fda38"`
[INFO] running `"docker" "rm" "-f" "ff7a9862bb92626cb067d82bdb38f1ab444f51ffdc041da7db46ac05d24fda38"`
[INFO] [stdout] ff7a9862bb92626cb067d82bdb38f1ab444f51ffdc041da7db46ac05d24fda38