[INFO] updating cached repository https://github.com/Limvot/laau
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf9635cad9a9a7316eb0c43b457315c1d0ec5263
[INFO] checking Limvot/laau against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimvot%2Flaau" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Limvot/laau on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Limvot/laau
[INFO] finished tweaking git repo https://github.com/Limvot/laau
[INFO] tweaked toml for git repo https://github.com/Limvot/laau written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Limvot/laau already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4af315928ea708fa08a342623b96392817c15c568aadc8d4a175178f3af96d33
[INFO] running `"docker" "start" "-a" "4af315928ea708fa08a342623b96392817c15c568aadc8d4a175178f3af96d33"`
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking laau v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:271:54
[INFO] [stderr]     |
[INFO] [stderr] 271 |     let room_keys = synced.rooms.join.iter().map(|(k,v)| k.clone()).collect::<Vec<String>>();
[INFO] [stderr]     |                                                      ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]    --> src/main.rs:273:135
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let room_name = synced.rooms.join.get(room_id).unwrap().state.events.iter().find_map(|e| match e { Event::RoomName { content, meta } => Some(content.name.clone()), _ => None}).unwrap_or("NONE".to_owned());
[INFO] [stderr]     |                                                                                                                                       ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room_message_updates`
[INFO] [stderr]    --> src/main.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 |             let room_message_updates = room_messages(&login_response, room_id, &synced.next_batch)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_room_message_updates`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:271:54
[INFO] [stderr]     |
[INFO] [stderr] 271 |     let room_keys = synced.rooms.join.iter().map(|(k,v)| k.clone()).collect::<Vec<String>>();
[INFO] [stderr]     |                                                      ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]    --> src/main.rs:273:135
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let room_name = synced.rooms.join.get(room_id).unwrap().state.events.iter().find_map(|e| match e { Event::RoomName { content, meta } => Some(content.name.clone()), _ => None}).unwrap_or("NONE".to_owned());
[INFO] [stderr]     |                                                                                                                                       ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room_message_updates`
[INFO] [stderr]    --> src/main.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 |             let room_message_updates = room_messages(&login_response, room_id, &synced.next_batch)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_room_message_updates`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.65s
[INFO] running `"docker" "inspect" "4af315928ea708fa08a342623b96392817c15c568aadc8d4a175178f3af96d33"`
[INFO] running `"docker" "rm" "-f" "4af315928ea708fa08a342623b96392817c15c568aadc8d4a175178f3af96d33"`
[INFO] [stdout] 4af315928ea708fa08a342623b96392817c15c568aadc8d4a175178f3af96d33