[INFO] updating cached repository Morindhal/socketmessenger
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Morindhal/socketmessenger
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Morindhal/socketmessenger" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Morindhal/socketmessenger"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Morindhal/socketmessenger'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Morindhal/socketmessenger" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Morindhal/socketmessenger"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Morindhal/socketmessenger'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0b8351b0870504acca48610478309ef93d5d004c
[INFO] sha for GitHub repo Morindhal/socketmessenger: 0b8351b0870504acca48610478309ef93d5d004c
[INFO] validating manifest of Morindhal/socketmessenger on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Morindhal/socketmessenger on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Morindhal/socketmessenger
[INFO] finished frobbing Morindhal/socketmessenger
[INFO] frobbed toml for Morindhal/socketmessenger written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Morindhal/socketmessenger/Cargo.toml
[INFO] started frobbing Morindhal/socketmessenger
[INFO] finished frobbing Morindhal/socketmessenger
[INFO] frobbed toml for Morindhal/socketmessenger written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/Morindhal/socketmessenger/Cargo.toml
[INFO] crate Morindhal/socketmessenger already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Morindhal/socketmessenger/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Morindhal/socketmessenger against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/Morindhal/socketmessenger:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 811b3b2c099834203709dec53b9e78ef5880d9a250f7c3acbfc72b07a94366c6
[INFO] running `"docker" "start" "-a" "811b3b2c099834203709dec53b9e78ef5880d9a250f7c3acbfc72b07a94366c6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ws v0.5.3
[INFO] [stderr]     Checking socketmessenger v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `server_listen`
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let server_listen = thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_server_listen`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/main.rs:164:23
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 move |msg| {
[INFO] [stderr]     |                       ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_listen`
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let server_listen = thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_server_listen`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/main.rs:164:23
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 move |msg| {
[INFO] [stderr]     |                       ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `"docker" "inspect" "811b3b2c099834203709dec53b9e78ef5880d9a250f7c3acbfc72b07a94366c6"`
[INFO] running `"docker" "rm" "-f" "811b3b2c099834203709dec53b9e78ef5880d9a250f7c3acbfc72b07a94366c6"`
[INFO] [stdout] 811b3b2c099834203709dec53b9e78ef5880d9a250f7c3acbfc72b07a94366c6