[INFO] fetching crate rs-minecraft-exporter 1.3.0...
[INFO] testing rs-minecraft-exporter-1.3.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rs-minecraft-exporter 1.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rs-minecraft-exporter 1.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking crates.io crate rs-minecraft-exporter 1.3.0
[INFO] finished tweaking crates.io crate rs-minecraft-exporter 1.3.0
[INFO] tweaked toml for crates.io crate rs-minecraft-exporter 1.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rs-minecraft-exporter 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.61
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.61
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.61
[INFO] [stderr]   Downloaded pin-project v0.4.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded pin-project-internal v0.4.9
[INFO] [stderr]   Downloaded hematite-nbt v0.4.1
[INFO] [stderr]   Downloaded procfs v0.7.8
[INFO] [stderr]   Downloaded thiserror v1.0.16
[INFO] [stderr]   Downloaded security-framework v0.4.3
[INFO] [stderr]   Downloaded simple_logger v1.6.0
[INFO] [stderr]   Downloaded prometheus v0.8.0
[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.11
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.61
[INFO] [stderr]   Downloaded tokio v0.2.20
[INFO] [stderr]   Downloaded js-sys v0.3.38
[INFO] [stderr]   Downloaded openssl-sys v0.9.55
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.61
[INFO] [stderr]   Downloaded web-sys v0.3.38
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57cc09615352bf852d3f33756b2ec699d7b7e84ddfa7326f560e6e003129996
[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" "d57cc09615352bf852d3f33756b2ec699d7b7e84ddfa7326f560e6e003129996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57cc09615352bf852d3f33756b2ec699d7b7e84ddfa7326f560e6e003129996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57cc09615352bf852d3f33756b2ec699d7b7e84ddfa7326f560e6e003129996", kill_on_drop: false }`
[INFO] [stdout] d57cc09615352bf852d3f33756b2ec699d7b7e84ddfa7326f560e6e003129996
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec6c2cca2f4fa57e416a4f49d255926faeb0a5fc1fff73b0ea58fcdb2bb7ac92
[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" "ec6c2cca2f4fa57e416a4f49d255926faeb0a5fc1fff73b0ea58fcdb2bb7ac92", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling procfs v0.7.8
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling tokio v0.2.20
[INFO] [stderr]    Compiling thiserror v1.0.16
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling hyper v0.13.5
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling hematite-nbt v0.4.1
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling rs-minecraft-exporter v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/player.rs:14:63
[INFO] [stdout]    |
[INFO] [stdout] 14 |     static ref PLAYER_NAMES: Mutex<HashMap<String, String>> = { Mutex::new(HashMap::new()) };
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.26s
[INFO] running `Command { std: "docker" "inspect" "ec6c2cca2f4fa57e416a4f49d255926faeb0a5fc1fff73b0ea58fcdb2bb7ac92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6c2cca2f4fa57e416a4f49d255926faeb0a5fc1fff73b0ea58fcdb2bb7ac92", kill_on_drop: false }`
[INFO] [stdout] ec6c2cca2f4fa57e416a4f49d255926faeb0a5fc1fff73b0ea58fcdb2bb7ac92
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfeb11b48bccf644f4d2f5b8a1d3684a5c7c8a8af93280abc8279da77430cc90
[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" "bfeb11b48bccf644f4d2f5b8a1d3684a5c7c8a8af93280abc8279da77430cc90", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-minecraft-exporter v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/player.rs:14:63
[INFO] [stdout]    |
[INFO] [stdout] 14 |     static ref PLAYER_NAMES: Mutex<HashMap<String, String>> = { Mutex::new(HashMap::new()) };
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "bfeb11b48bccf644f4d2f5b8a1d3684a5c7c8a8af93280abc8279da77430cc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfeb11b48bccf644f4d2f5b8a1d3684a5c7c8a8af93280abc8279da77430cc90", kill_on_drop: false }`
[INFO] [stdout] bfeb11b48bccf644f4d2f5b8a1d3684a5c7c8a8af93280abc8279da77430cc90
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c46e0abf6f75801036cc1d3734f34d2f97af8b1a5f112a03def73f2bbd32c41f
[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" "c46e0abf6f75801036cc1d3734f34d2f97af8b1a5f112a03def73f2bbd32c41f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/player.rs:14:63
[INFO] [stderr]    |
[INFO] [stderr] 14 |     static ref PLAYER_NAMES: Mutex<HashMap<String, String>> = { Mutex::new(HashMap::new()) };
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-minecraft-exporter` (bin "rs-minecraft-exporter" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_minecraft_exporter-6d26ad3a201eb86c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test prometheus_handler::stat_cache::tests::get_category_metadata::should_remove_prefix ... ok
[INFO] [stdout] test prometheus_handler::stat_cache::tests::set_counter::should_update_existing_stat ... ok
[INFO] [stdout] test prometheus_handler::stat_cache::tests::set_counter::should_insert_new_stat ... ok
[INFO] [stdout] test prometheus_handler::stat_cache::tests::set_gauge::should_update_existing_stat ... ok
[INFO] [stdout] test prometheus_handler::stat_cache::tests::set_gauge::should_insert_new_stat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c46e0abf6f75801036cc1d3734f34d2f97af8b1a5f112a03def73f2bbd32c41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46e0abf6f75801036cc1d3734f34d2f97af8b1a5f112a03def73f2bbd32c41f", kill_on_drop: false }`
[INFO] [stdout] c46e0abf6f75801036cc1d3734f34d2f97af8b1a5f112a03def73f2bbd32c41f
