[INFO] cloning repository https://github.com/AlekseyKanaev/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlekseyKanaev/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekseyKanaev%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekseyKanaev%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f67fe8b39ba326850cffcda48cd46434130092f6
[INFO] checking AlekseyKanaev/chat against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekseyKanaev%2Fchat" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlekseyKanaev/chat 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/AlekseyKanaev/chat
[INFO] finished tweaking git repo https://github.com/AlekseyKanaev/chat
[INFO] tweaked toml for git repo https://github.com/AlekseyKanaev/chat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/AlekseyKanaev/chat 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d82809677e19c487d94b60f43af1c37ca4eab6f6c8f0061c8ff313e54323f4ae
[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" "d82809677e19c487d94b60f43af1c37ca4eab6f6c8f0061c8ff313e54323f4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d82809677e19c487d94b60f43af1c37ca4eab6f6c8f0061c8ff313e54323f4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82809677e19c487d94b60f43af1c37ca4eab6f6c8f0061c8ff313e54323f4ae", kill_on_drop: false }`
[INFO] [stdout] d82809677e19c487d94b60f43af1c37ca4eab6f6c8f0061c8ff313e54323f4ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2847973f18223dcf7d2bb82b2fd52815aade947f95ce20a481c6497d9f60d1fd
[INFO] running `Command { std: "docker" "start" "-a" "2847973f18223dcf7d2bb82b2fd52815aade947f95ce20a481c6497d9f60d1fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.2.17
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking polling v0.1.7
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking blowfish v0.6.0
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking bcrypt v0.8.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking simple_logger v1.9.0
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking mongodb v1.1.0
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking chat_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/http_server.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         Err(e) => Ok(warp::reply::with_status(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/repository/mongo.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/repository/mongo.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/repository/mongo/message.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/repository/mongo/room.rs:181:47
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     error::WriteError { code: c, .. },
[INFO] [stdout]     |                                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/http_server.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         Err(e) => Ok(warp::reply::with_status(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/repository/mongo.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/repository/mongo.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/repository/mongo/message.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/repository/mongo/room.rs:181:47
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     error::WriteError { code: c, .. },
[INFO] [stdout]     |                                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "2847973f18223dcf7d2bb82b2fd52815aade947f95ce20a481c6497d9f60d1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2847973f18223dcf7d2bb82b2fd52815aade947f95ce20a481c6497d9f60d1fd", kill_on_drop: false }`
[INFO] [stdout] 2847973f18223dcf7d2bb82b2fd52815aade947f95ce20a481c6497d9f60d1fd