[INFO] fetching crate rs-minecraft-exporter 1.3.0...
[INFO] checking rs-minecraft-exporter-1.3.0 against beta for pr-78714
[INFO] extracting crate rs-minecraft-exporter 1.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rs-minecraft-exporter 1.3.0 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 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-10/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" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0395327d6ba7db0704af167d7e5f55c4b1242414fd5e34860506344a02c35416
[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" "0395327d6ba7db0704af167d7e5f55c4b1242414fd5e34860506344a02c35416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0395327d6ba7db0704af167d7e5f55c4b1242414fd5e34860506344a02c35416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0395327d6ba7db0704af167d7e5f55c4b1242414fd5e34860506344a02c35416", kill_on_drop: false }`
[INFO] [stdout] 0395327d6ba7db0704af167d7e5f55c4b1242414fd5e34860506344a02c35416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a2316b398f3b2ed7a790601491326b5bcd3c0fc4da8985523130c123dc27e68b
[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" "a2316b398f3b2ed7a790601491326b5bcd3c0fc4da8985523130c123dc27e68b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking procfs v0.7.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hematite-nbt v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.84s
[INFO] running `Command { std: "docker" "inspect" "a2316b398f3b2ed7a790601491326b5bcd3c0fc4da8985523130c123dc27e68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2316b398f3b2ed7a790601491326b5bcd3c0fc4da8985523130c123dc27e68b", kill_on_drop: false }`
[INFO] [stdout] a2316b398f3b2ed7a790601491326b5bcd3c0fc4da8985523130c123dc27e68b