[INFO] cloning repository https://github.com/MiNI-UAV/UAV_aggregator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MiNI-UAV/UAV_aggregator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiNI-UAV%2FUAV_aggregator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiNI-UAV%2FUAV_aggregator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25c03b3a982bc0e289255ba80fa7a6a5696c0d2d
[INFO] checking MiNI-UAV/UAV_aggregator against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiNI-UAV%2FUAV_aggregator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/MiNI-UAV/UAV_aggregator on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MiNI-UAV/UAV_aggregator
[INFO] finished tweaking git repo https://github.com/MiNI-UAV/UAV_aggregator
[INFO] tweaked toml for git repo https://github.com/MiNI-UAV/UAV_aggregator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MiNI-UAV/UAV_aggregator 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded device_query v1.1.3
[INFO] [stderr]   Downloaded system-deps v6.0.5
[INFO] [stderr]   Downloaded cfg-expr v0.15.1
[INFO] [stderr]   Downloaded merkle_hash v3.5.0
[INFO] [stderr]   Downloaded dircpy v0.3.14
[INFO] [stderr]   Downloaded zeromq-src v0.2.5+4.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c55d55c2ea1fef846600eb384180ff2a43c22d0afdbefa85b071f07bedfc4b6
[INFO] running `Command { std: "docker" "start" "-a" "6c55d55c2ea1fef846600eb384180ff2a43c22d0afdbefa85b071f07bedfc4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c55d55c2ea1fef846600eb384180ff2a43c22d0afdbefa85b071f07bedfc4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c55d55c2ea1fef846600eb384180ff2a43c22d0afdbefa85b071f07bedfc4b6", kill_on_drop: false }`
[INFO] [stdout] 6c55d55c2ea1fef846600eb384180ff2a43c22d0afdbefa85b071f07bedfc4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de47698fe0347110061b67643b3f6c02397e0ef254bd3e7b4124bda684d5183
[INFO] running `Command { std: "docker" "start" "-a" "0de47698fe0347110061b67643b3f6c02397e0ef254bd3e7b4124bda684d5183", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
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[INFO] [stderr]    Compiling num-traits v0.2.15
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[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]     Checking approx v0.5.1
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[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling zeromq-src v0.2.5+4.3.4
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking xml-rs v0.8.15
[INFO] [stderr]    Compiling toml v0.7.3
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]    Compiling system-deps v6.0.5
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking merkle_hash v3.5.0
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking UAV_aggregator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> tests/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "0de47698fe0347110061b67643b3f6c02397e0ef254bd3e7b4124bda684d5183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de47698fe0347110061b67643b3f6c02397e0ef254bd3e7b4124bda684d5183", kill_on_drop: false }`
[INFO] [stdout] 0de47698fe0347110061b67643b3f6c02397e0ef254bd3e7b4124bda684d5183