[INFO] updating cached repository gugahoa/simple-ws-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gugahoa/simple-ws-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gugahoa/simple-ws-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/gugahoa/simple-ws-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gugahoa/simple-ws-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gugahoa/simple-ws-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gugahoa/simple-ws-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gugahoa/simple-ws-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce41193348ac4ab9a07526e2e77a54b262ac7582
[INFO] sha for GitHub repo gugahoa/simple-ws-rs: ce41193348ac4ab9a07526e2e77a54b262ac7582
[INFO] validating manifest of gugahoa/simple-ws-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gugahoa/simple-ws-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gugahoa/simple-ws-rs
[INFO] finished frobbing gugahoa/simple-ws-rs
[INFO] frobbed toml for gugahoa/simple-ws-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/gugahoa/simple-ws-rs/Cargo.toml
[INFO] started frobbing gugahoa/simple-ws-rs
[INFO] finished frobbing gugahoa/simple-ws-rs
[INFO] frobbed toml for gugahoa/simple-ws-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gugahoa/simple-ws-rs/Cargo.toml
[INFO] crate gugahoa/simple-ws-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gugahoa/simple-ws-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gugahoa/simple-ws-rs:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c9cc1740d32ca49a47c0537b530e68a7eb97d944db483451940fc0ae4c2a97e5
[INFO] running `"docker" "start" "-a" "c9cc1740d32ca49a47c0537b530e68a7eb97d944db483451940fc0ae4c2a97e5"`
[INFO] [stderr]    Compiling http-muncher v0.3.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling mio v0.6.14 (https://github.com/carllerche/mio#c419ed6e)
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:299:29
[INFO] [stderr]     |
[INFO] [stderr] 299 |                         let mut client = websocket.clients.get_mut(&client_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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:307:21
[INFO] [stderr]     |
[INFO] [stderr] 307 |                 let mut client = websocket.clients.get_mut(&token).unwrap();
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `"docker" "inspect" "c9cc1740d32ca49a47c0537b530e68a7eb97d944db483451940fc0ae4c2a97e5"`
[INFO] running `"docker" "rm" "-f" "c9cc1740d32ca49a47c0537b530e68a7eb97d944db483451940fc0ae4c2a97e5"`
[INFO] [stdout] c9cc1740d32ca49a47c0537b530e68a7eb97d944db483451940fc0ae4c2a97e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gugahoa/simple-ws-rs:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d44cc8a8c5d76a2d3ee602bfa8f94429a4f58e88df5f720fdd5a5f3c8d8cd426
[INFO] running `"docker" "start" "-a" "d44cc8a8c5d76a2d3ee602bfa8f94429a4f58e88df5f720fdd5a5f3c8d8cd426"`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:299:29
[INFO] [stderr]     |
[INFO] [stderr] 299 |                         let mut client = websocket.clients.get_mut(&client_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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:307:21
[INFO] [stderr]     |
[INFO] [stderr] 307 |                 let mut client = websocket.clients.get_mut(&token).unwrap();
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "d44cc8a8c5d76a2d3ee602bfa8f94429a4f58e88df5f720fdd5a5f3c8d8cd426"`
[INFO] running `"docker" "rm" "-f" "d44cc8a8c5d76a2d3ee602bfa8f94429a4f58e88df5f720fdd5a5f3c8d8cd426"`
[INFO] [stdout] d44cc8a8c5d76a2d3ee602bfa8f94429a4f58e88df5f720fdd5a5f3c8d8cd426
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gugahoa/simple-ws-rs:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] be3088a4803413730ec2142a6f5c217b239daf012b93c3a6e863aff77c5c13ca
[INFO] running `"docker" "start" "-a" "be3088a4803413730ec2142a6f5c217b239daf012b93c3a6e863aff77c5c13ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ws-3f8fc97ec24288c1
[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] [stderr]      Running /opt/crater/target/debug/deps/chat-40c6f7430fe09c5f
[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] [stderr]    Doc-tests ws
[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" "be3088a4803413730ec2142a6f5c217b239daf012b93c3a6e863aff77c5c13ca"`
[INFO] running `"docker" "rm" "-f" "be3088a4803413730ec2142a6f5c217b239daf012b93c3a6e863aff77c5c13ca"`
[INFO] [stdout] be3088a4803413730ec2142a6f5c217b239daf012b93c3a6e863aff77c5c13ca