[INFO] cloning repository https://github.com/indoor-analytics/wifi_tracking_api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/indoor-analytics/wifi_tracking_api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findoor-analytics%2Fwifi_tracking_api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findoor-analytics%2Fwifi_tracking_api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e841fbf0e83c88b24882ef84d0f184db8a4d6c5
[INFO] checking indoor-analytics/wifi_tracking_api against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findoor-analytics%2Fwifi_tracking_api" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/indoor-analytics/wifi_tracking_api on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/indoor-analytics/wifi_tracking_api
[INFO] finished tweaking git repo https://github.com/indoor-analytics/wifi_tracking_api
[INFO] tweaked toml for git repo https://github.com/indoor-analytics/wifi_tracking_api written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/indoor-analytics/wifi_tracking_api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project v1.0.10
[INFO] [stderr]   Downloaded futures-task v0.3.19
[INFO] [stderr]   Downloaded futures-core v0.3.19
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[INFO] [stderr]   Downloaded futures-channel v0.3.19
[INFO] [stderr]   Downloaded socket2 v0.4.3
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded serde_derive v1.0.135
[INFO] [stderr]   Downloaded pin-project-internal v1.0.10
[INFO] [stderr]   Downloaded headers v0.3.5
[INFO] [stderr]   Downloaded serde v1.0.135
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[INFO] [stderr]   Downloaded serde_json v1.0.78
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[INFO] [stderr]   Downloaded libc v0.2.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc2e912f07b733019e21103acccabbc40b756868708a6660fc31cb8eb4e9c9c5
[INFO] running `Command { std: "docker" "start" "-a" "bc2e912f07b733019e21103acccabbc40b756868708a6660fc31cb8eb4e9c9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc2e912f07b733019e21103acccabbc40b756868708a6660fc31cb8eb4e9c9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2e912f07b733019e21103acccabbc40b756868708a6660fc31cb8eb4e9c9c5", kill_on_drop: false }`
[INFO] [stdout] bc2e912f07b733019e21103acccabbc40b756868708a6660fc31cb8eb4e9c9c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95aae02b23988a46d9865c9a6d2e4d41bd609fc30fbb51a7edcae2c755213873
[INFO] running `Command { std: "docker" "start" "-a" "95aae02b23988a46d9865c9a6d2e4d41bd609fc30fbb51a7edcae2c755213873", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
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[INFO] [stderr]    Compiling syn v1.0.86
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[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking itoa v1.0.1
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.19
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[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]     Checking futures-sink v0.3.19
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[INFO] [stderr]     Checking http v0.2.6
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[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking tokio-util v0.6.9
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking warp v0.3.2
[INFO] [stderr]     Checking wifi_tracking_api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `packets`
[INFO] [stdout]   --> src/controllers/distance.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let packets = unique_sensors_ids.iter().map(|sensor_id| device_data.iter().rfind(|datum| &datum.sensor_id == sensor_id));
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packets`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packets`
[INFO] [stdout]   --> src/controllers/distance.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let packets = unique_sensors_ids.iter().map(|sensor_id| device_data.iter().rfind(|datum| &datum.sensor_id == sensor_id));
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packets`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packets`
[INFO] [stdout]   --> src/controllers/distance.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let packets = unique_sensors_ids.iter().map(|sensor_id| device_data.iter().rfind(|datum| &datum.sensor_id == sensor_id));
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packets`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packets`
[INFO] [stdout]   --> src/controllers/distance.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let packets = unique_sensors_ids.iter().map(|sensor_id| device_data.iter().rfind(|datum| &datum.sensor_id == sensor_id));
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packets`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "95aae02b23988a46d9865c9a6d2e4d41bd609fc30fbb51a7edcae2c755213873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95aae02b23988a46d9865c9a6d2e4d41bd609fc30fbb51a7edcae2c755213873", kill_on_drop: false }`
[INFO] [stdout] 95aae02b23988a46d9865c9a6d2e4d41bd609fc30fbb51a7edcae2c755213873