[INFO] fetching crate rs-minecraft-exporter 1.3.0...
[INFO] testing rs-minecraft-exporter-1.3.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate rs-minecraft-exporter 1.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rs-minecraft-exporter 1.3.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf2bae553581daa15824f0434a5cd95eb7bae7c838f6e53e7ae4444ed11ee268
[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" "cf2bae553581daa15824f0434a5cd95eb7bae7c838f6e53e7ae4444ed11ee268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf2bae553581daa15824f0434a5cd95eb7bae7c838f6e53e7ae4444ed11ee268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2bae553581daa15824f0434a5cd95eb7bae7c838f6e53e7ae4444ed11ee268", kill_on_drop: false }`
[INFO] [stdout] cf2bae553581daa15824f0434a5cd95eb7bae7c838f6e53e7ae4444ed11ee268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c344a68d3d018ed76bbfa4a57dbd4e8fce05e1bc1dbbf7a56eedfbc3b3ae5e7
[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" "8c344a68d3d018ed76bbfa4a57dbd4e8fce05e1bc1dbbf7a56eedfbc3b3ae5e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling procfs v0.7.8
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling http-body v0.3.1
[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 h2 v0.2.4
[INFO] [stderr]    Compiling hyper v0.13.5
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.52
[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 2m 35s
[INFO] running `Command { std: "docker" "inspect" "8c344a68d3d018ed76bbfa4a57dbd4e8fce05e1bc1dbbf7a56eedfbc3b3ae5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c344a68d3d018ed76bbfa4a57dbd4e8fce05e1bc1dbbf7a56eedfbc3b3ae5e7", kill_on_drop: false }`
[INFO] [stdout] 8c344a68d3d018ed76bbfa4a57dbd4e8fce05e1bc1dbbf7a56eedfbc3b3ae5e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--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] 7454f90f818d450dc1c0af02d5460f37be81ab8e4e6d7699be3327dda38f00fa
[INFO] running `Command { std: "docker" "start" "-a" "7454f90f818d450dc1c0af02d5460f37be81ab8e4e6d7699be3327dda38f00fa", 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 5.21s
[INFO] running `Command { std: "docker" "inspect" "7454f90f818d450dc1c0af02d5460f37be81ab8e4e6d7699be3327dda38f00fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7454f90f818d450dc1c0af02d5460f37be81ab8e4e6d7699be3327dda38f00fa", kill_on_drop: false }`
[INFO] [stdout] 7454f90f818d450dc1c0af02d5460f37be81ab8e4e6d7699be3327dda38f00fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec57fbaa0a853241ce4420bf3449aa562e934bf6d2c494b5e90c75d67bebcc13
[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" "ec57fbaa0a853241ce4420bf3449aa562e934bf6d2c494b5e90c75d67bebcc13", 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] 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rs_minecraft_exporter-815bc2f1dba2c24b
[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_gauge::should_update_existing_stat ... ok
[INFO] [stdout] test prometheus_handler::stat_cache::tests::set_gauge::should_insert_new_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_counter::should_update_existing_stat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec57fbaa0a853241ce4420bf3449aa562e934bf6d2c494b5e90c75d67bebcc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec57fbaa0a853241ce4420bf3449aa562e934bf6d2c494b5e90c75d67bebcc13", kill_on_drop: false }`
[INFO] [stdout] ec57fbaa0a853241ce4420bf3449aa562e934bf6d2c494b5e90c75d67bebcc13