[INFO] updating cached repository coder543/impulse
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coder543/impulse
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coder543/impulse" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/coder543/impulse"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/coder543/impulse'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coder543/impulse" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/coder543/impulse"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/coder543/impulse'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a6c811fc3a700b4530dcfbfe676a32ac1b4aab0a
[INFO] sha for GitHub repo coder543/impulse: a6c811fc3a700b4530dcfbfe676a32ac1b4aab0a
[INFO] validating manifest of coder543/impulse on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coder543/impulse on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coder543/impulse
[INFO] finished frobbing coder543/impulse
[INFO] frobbed toml for coder543/impulse written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/coder543/impulse/Cargo.toml
[INFO] started frobbing coder543/impulse
[INFO] finished frobbing coder543/impulse
[INFO] frobbed toml for coder543/impulse written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/coder543/impulse/Cargo.toml
[INFO] crate coder543/impulse already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking coder543/impulse against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-5/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/coder543/impulse:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bf4a9a33c81eecc42e3e12e690577ef6196d105508461a1e5acc003320d021a4
[INFO] running `"docker" "start" "-a" "bf4a9a33c81eecc42e3e12e690577ef6196d105508461a1e5acc003320d021a4"`
[INFO] [stderr]     Checking ws v0.7.3
[INFO] [stderr]     Checking impulse v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static! {
[INFO] [stderr] 25 | |     static ref SOCKETS: RwLock<HashMap<String, Sender>> =  RwLock::new(HashMap::new());
[INFO] [stderr] 26 | |     static ref USERS: RwLock<HashMap<String, User>> = RwLock::new(HashMap::new());
[INFO] [stderr] 27 | |     static ref CHANNELS: RwLock<HashMap<String, HashSet<String>>> = RwLock::new(HashMap::new());
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static! {
[INFO] [stderr] 25 | |     static ref SOCKETS: RwLock<HashMap<String, Sender>> =  RwLock::new(HashMap::new());
[INFO] [stderr] 26 | |     static ref USERS: RwLock<HashMap<String, User>> = RwLock::new(HashMap::new());
[INFO] [stderr] 27 | |     static ref CHANNELS: RwLock<HashMap<String, HashSet<String>>> = RwLock::new(HashMap::new());
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static! {
[INFO] [stderr] 25 | |     static ref SOCKETS: RwLock<HashMap<String, Sender>> =  RwLock::new(HashMap::new());
[INFO] [stderr] 26 | |     static ref USERS: RwLock<HashMap<String, User>> = RwLock::new(HashMap::new());
[INFO] [stderr] 27 | |     static ref CHANNELS: RwLock<HashMap<String, HashSet<String>>> = RwLock::new(HashMap::new());
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static! {
[INFO] [stderr] 25 | |     static ref SOCKETS: RwLock<HashMap<String, Sender>> =  RwLock::new(HashMap::new());
[INFO] [stderr] 26 | |     static ref USERS: RwLock<HashMap<String, User>> = RwLock::new(HashMap::new());
[INFO] [stderr] 27 | |     static ref CHANNELS: RwLock<HashMap<String, HashSet<String>>> = RwLock::new(HashMap::new());
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static! {
[INFO] [stderr] 25 | |     static ref SOCKETS: RwLock<HashMap<String, Sender>> =  RwLock::new(HashMap::new());
[INFO] [stderr] 26 | |     static ref USERS: RwLock<HashMap<String, User>> = RwLock::new(HashMap::new());
[INFO] [stderr] 27 | |     static ref CHANNELS: RwLock<HashMap<String, HashSet<String>>> = RwLock::new(HashMap::new());
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static! {
[INFO] [stderr] 25 | |     static ref SOCKETS: RwLock<HashMap<String, Sender>> =  RwLock::new(HashMap::new());
[INFO] [stderr] 26 | |     static ref USERS: RwLock<HashMap<String, User>> = RwLock::new(HashMap::new());
[INFO] [stderr] 27 | |     static ref CHANNELS: RwLock<HashMap<String, HashSet<String>>> = RwLock::new(HashMap::new());
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `"docker" "inspect" "bf4a9a33c81eecc42e3e12e690577ef6196d105508461a1e5acc003320d021a4"`
[INFO] running `"docker" "rm" "-f" "bf4a9a33c81eecc42e3e12e690577ef6196d105508461a1e5acc003320d021a4"`
[INFO] [stdout] bf4a9a33c81eecc42e3e12e690577ef6196d105508461a1e5acc003320d021a4