[INFO] updating cached repository SiegeEngine/siege-example-net
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SiegeEngine/siege-example-net
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SiegeEngine/siege-example-net" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/SiegeEngine/siege-example-net"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/SiegeEngine/siege-example-net'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SiegeEngine/siege-example-net" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/SiegeEngine/siege-example-net"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/SiegeEngine/siege-example-net'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ccbf721e6cc35f2f3e7f9cf3f63b11914c583918
[INFO] sha for GitHub repo SiegeEngine/siege-example-net: ccbf721e6cc35f2f3e7f9cf3f63b11914c583918
[INFO] validating manifest of SiegeEngine/siege-example-net 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 SiegeEngine/siege-example-net 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 SiegeEngine/siege-example-net
[INFO] finished frobbing SiegeEngine/siege-example-net
[INFO] frobbed toml for SiegeEngine/siege-example-net written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/SiegeEngine/siege-example-net/Cargo.toml
[INFO] started frobbing SiegeEngine/siege-example-net
[INFO] finished frobbing SiegeEngine/siege-example-net
[INFO] frobbed toml for SiegeEngine/siege-example-net written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/SiegeEngine/siege-example-net/Cargo.toml
[INFO] crate SiegeEngine/siege-example-net 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking SiegeEngine/siege-example-net against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/SiegeEngine/siege-example-net:/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 60692c2633d613037725f93e268a1c8b55fbf6b1c33f14833ff56b60c9c6a5e1
[INFO] running `"docker" "start" "-a" "60692c2633d613037725f93e268a1c8b55fbf6b1c33f14833ff56b60c9c6a5e1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking serde v1.0.51
[INFO] [stderr]    Compiling serde_derive v1.0.51
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking siege-net v0.3.1 (https://github.com/SiegeEngine/siege-net#994f0bec)
[INFO] [stderr]     Checking siege-example-net v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate ring;`?
[INFO] [stderr]   --> src/packet/login.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     use ring::rand::SystemRandom;
[INFO] [stderr]    |         ^^^^ maybe a missing `extern crate ring;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `remote`
[INFO] [stderr]   --> src/packet/login.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use remote::Remote;
[INFO] [stderr]    |         ^^^^^^ maybe a missing `extern crate remote;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SystemRandom`
[INFO] [stderr]   --> src/packet/login.rs:28:56
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut remote = Remote::new(remote_addr, Arc::new(SystemRandom::new())).unwrap();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^ use of undeclared type or module `SystemRandom`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ring::rand::SystemRandom`
[INFO] [stderr]   --> src/packet/login.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     use ring::rand::SystemRandom;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no associated item named `Login` found for type `dyn siege_net::packets::Packet` in the current scope
[INFO] [stderr]   --> src/packet/login.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let packet = Packet::Login(login_packet.clone());
[INFO] [stderr]    |                          ^^^^^ associated item not found in `dyn siege_net::packets::Packet`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no associated item named `Login` found for type `dyn siege_net::packets::Packet` in the current scope
[INFO] [stderr]   --> src/packet/login.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |         Packet::Login(login_packet2) => {
[INFO] [stderr]    |                 ^^^^^ associated item not found in `dyn siege_net::packets::Packet`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `siege-example-net`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "60692c2633d613037725f93e268a1c8b55fbf6b1c33f14833ff56b60c9c6a5e1"`
[INFO] running `"docker" "rm" "-f" "60692c2633d613037725f93e268a1c8b55fbf6b1c33f14833ff56b60c9c6a5e1"`
[INFO] [stdout] 60692c2633d613037725f93e268a1c8b55fbf6b1c33f14833ff56b60c9c6a5e1