[INFO] fetching crate rs-minecraft-exporter 1.3.0...
[INFO] checking rs-minecraft-exporter-1.3.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate rs-minecraft-exporter 1.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rs-minecraft-exporter 1.3.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.61
[INFO] [stderr]   Downloaded bumpalo v3.2.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.55
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.61
[INFO] [stderr]   Downloaded security-framework v0.4.3
[INFO] [stderr]   Downloaded js-sys v0.3.38
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded hematite-nbt v0.4.1
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded prometheus v0.8.0
[INFO] [stderr]   Downloaded tokio v0.2.20
[INFO] [stderr]   Downloaded thiserror v1.0.16
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[INFO] [stderr]   Downloaded pin-project-internal v0.4.9
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[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.61
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.61
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf199a9f1338b5a40bf0b4d3b264af89b4fa56ad128452c7b6d4eca28fcd7da1
[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" "bf199a9f1338b5a40bf0b4d3b264af89b4fa56ad128452c7b6d4eca28fcd7da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf199a9f1338b5a40bf0b4d3b264af89b4fa56ad128452c7b6d4eca28fcd7da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf199a9f1338b5a40bf0b4d3b264af89b4fa56ad128452c7b6d4eca28fcd7da1", kill_on_drop: false }`
[INFO] [stdout] bf199a9f1338b5a40bf0b4d3b264af89b4fa56ad128452c7b6d4eca28fcd7da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aea689f1f586cca7633f8d5f8b9f7c33fd754e71576bc9e8e21ea29fc90cd85
[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" "4aea689f1f586cca7633f8d5f8b9f7c33fd754e71576bc9e8e21ea29fc90cd85", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
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[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling cc v1.0.52
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[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.17
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[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
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[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking simple_logger v1.6.0
[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]     Checking tokio v0.2.20
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
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[INFO] [stderr]     Checking serde v1.0.106
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[INFO] [stderr]     Checking serde_urlencoded v0.6.1
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[INFO] [stderr]     Checking hyper-tls 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 1m 29s
[INFO] running `Command { std: "docker" "inspect" "4aea689f1f586cca7633f8d5f8b9f7c33fd754e71576bc9e8e21ea29fc90cd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aea689f1f586cca7633f8d5f8b9f7c33fd754e71576bc9e8e21ea29fc90cd85", kill_on_drop: false }`
[INFO] [stdout] 4aea689f1f586cca7633f8d5f8b9f7c33fd754e71576bc9e8e21ea29fc90cd85