[INFO] cloning repository https://github.com/Limvot/laau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Limvot/laau" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimvot%2Flaau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimvot%2Flaau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf9635cad9a9a7316eb0c43b457315c1d0ec5263
[INFO] checking Limvot/laau against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimvot%2Flaau" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Limvot/laau on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Limvot/laau already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebab6ee312d069ef7ea24162b435f5bcf1e9b5136f49115d08d285321c27cf5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ebab6ee312d069ef7ea24162b435f5bcf1e9b5136f49115d08d285321c27cf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebab6ee312d069ef7ea24162b435f5bcf1e9b5136f49115d08d285321c27cf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebab6ee312d069ef7ea24162b435f5bcf1e9b5136f49115d08d285321c27cf5a", kill_on_drop: false }`
[INFO] [stdout] ebab6ee312d069ef7ea24162b435f5bcf1e9b5136f49115d08d285321c27cf5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22a8b546548e98d1f21e87bcc4eda4d531b60f1b23cd1fda5fdaa645c7251fe8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "22a8b546548e98d1f21e87bcc4eda4d531b60f1b23cd1fda5fdaa645c7251fe8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking miniz_oxide v0.3.3
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]     Checking openssl v0.10.25
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking native-tls v0.2.3
[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] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:271:54
[INFO] [stdout]     |
[INFO] [stdout] 271 |     let room_keys = synced.rooms.join.iter().map(|(k,v)| k.clone()).collect::<Vec<String>>();
[INFO] [stdout]     |                                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]    --> src/main.rs:273:135
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...map(|e| match e { Event::RoomName { content, meta } => Some(content.name.clone()), _ => None}).unwrap_or("NONE".to_owned());
[INFO] [stdout]     |                                                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `room_message_updates`
[INFO] [stdout]    --> src/main.rs:288:17
[INFO] [stdout]     |
[INFO] [stdout] 288 |             let room_message_updates = room_messages(&login_response, room_id, &synced.next_batch)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_message_updates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:271:54
[INFO] [stdout]     |
[INFO] [stdout] 271 |     let room_keys = synced.rooms.join.iter().map(|(k,v)| k.clone()).collect::<Vec<String>>();
[INFO] [stdout]     |                                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]    --> src/main.rs:273:135
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...map(|e| match e { Event::RoomName { content, meta } => Some(content.name.clone()), _ => None}).unwrap_or("NONE".to_owned());
[INFO] [stdout]     |                                                 ^^^^ help: try ignoring the field: `meta: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `room_message_updates`
[INFO] [stdout]    --> src/main.rs:288:17
[INFO] [stdout]     |
[INFO] [stdout] 288 |             let room_message_updates = room_messages(&login_response, room_id, &synced.next_batch)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_message_updates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.48s
[INFO] running `Command { std: "docker" "inspect" "22a8b546548e98d1f21e87bcc4eda4d531b60f1b23cd1fda5fdaa645c7251fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a8b546548e98d1f21e87bcc4eda4d531b60f1b23cd1fda5fdaa645c7251fe8", kill_on_drop: false }`
[INFO] [stdout] 22a8b546548e98d1f21e87bcc4eda4d531b60f1b23cd1fda5fdaa645c7251fe8