[INFO] updating cached repository hoodie/peerchat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hoodie/peerchat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hoodie/peerchat" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/hoodie/peerchat"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/hoodie/peerchat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hoodie/peerchat" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/hoodie/peerchat"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/hoodie/peerchat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e21ac00fe3f41b321192d32d60964db24e016fe
[INFO] sha for GitHub repo hoodie/peerchat: 6e21ac00fe3f41b321192d32d60964db24e016fe
[INFO] validating manifest of hoodie/peerchat on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hoodie/peerchat on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hoodie/peerchat
[INFO] finished frobbing hoodie/peerchat
[INFO] frobbed toml for hoodie/peerchat written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/hoodie/peerchat/Cargo.toml
[INFO] started frobbing hoodie/peerchat
[INFO] finished frobbing hoodie/peerchat
[INFO] frobbed toml for hoodie/peerchat written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/hoodie/peerchat/Cargo.toml
[INFO] crate hoodie/peerchat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hoodie/peerchat against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-5/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/hoodie/peerchat:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 57a6a849da8482f76c2bca840dd994dbeea0a5e80e129c7f14cd803d4df26ad6
[INFO] running `"docker" "start" "-a" "57a6a849da8482f76c2bca840dd994dbeea0a5e80e129c7f14cd803d4df26ad6"`
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stderr]     Checking peerchat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> examples/server.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn broadcast(msg: &str, receivers: &[SocketAddr]) {
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receivers`
[INFO] [stderr]   --> examples/server.rs:56:25
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn broadcast(msg: &str, receivers: &[SocketAddr]) {
[INFO] [stderr]    |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_receivers`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `broadcast`
[INFO] [stderr]   --> examples/server.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn broadcast(msg: &str, receivers: &[SocketAddr]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.74s
[INFO] running `"docker" "inspect" "57a6a849da8482f76c2bca840dd994dbeea0a5e80e129c7f14cd803d4df26ad6"`
[INFO] running `"docker" "rm" "-f" "57a6a849da8482f76c2bca840dd994dbeea0a5e80e129c7f14cd803d4df26ad6"`
[INFO] [stdout] 57a6a849da8482f76c2bca840dd994dbeea0a5e80e129c7f14cd803d4df26ad6