[INFO] cloning repository https://github.com/SAMIBETTAYEB/evkms-iot-simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SAMIBETTAYEB/evkms-iot-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAMIBETTAYEB%2Fevkms-iot-simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAMIBETTAYEB%2Fevkms-iot-simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cd6f9714e6bf75ae452e341147c7a1c7aa42a3d
[INFO] building SAMIBETTAYEB/evkms-iot-simulation against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSAMIBETTAYEB%2Fevkms-iot-simulation" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SAMIBETTAYEB/evkms-iot-simulation on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SAMIBETTAYEB/evkms-iot-simulation
[INFO] finished tweaking git repo https://github.com/SAMIBETTAYEB/evkms-iot-simulation
[INFO] tweaked toml for git repo https://github.com/SAMIBETTAYEB/evkms-iot-simulation written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SAMIBETTAYEB/evkms-iot-simulation 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 097f44166af13b5c96efec0ec9d818394927f0349aced20b55f5d8c52dcff249
[INFO] running `Command { std: "docker" "start" "-a" "097f44166af13b5c96efec0ec9d818394927f0349aced20b55f5d8c52dcff249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097f44166af13b5c96efec0ec9d818394927f0349aced20b55f5d8c52dcff249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097f44166af13b5c96efec0ec9d818394927f0349aced20b55f5d8c52dcff249", kill_on_drop: false }`
[INFO] [stdout] 097f44166af13b5c96efec0ec9d818394927f0349aced20b55f5d8c52dcff249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b075d90ffd53aad23757249fe1e5587c3b5c34bfa074ffa537586151450eb9b1
[INFO] running `Command { std: "docker" "start" "-a" "b075d90ffd53aad23757249fe1e5587c3b5c34bfa074ffa537586151450eb9b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling evkms_metrics_simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `number_of_gateways`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let number_of_gateways = env::var("NUMBER_OF_GATEWAYS")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateways`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateway_members`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let number_of_gateway_members = env::var("NUMBER_OF_GATEWAY_MEMBERS")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateway_members`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateways`
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let number_of_gateways = env::var("NUMBER_OF_GATEWAYS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateways`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateway_members`
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let number_of_gateway_members = env::var("NUMBER_OF_GATEWAY_MEMBERS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateway_members`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateways`
[INFO] [stdout]    --> src/main.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let number_of_gateways = env::var("NUMBER_OF_GATEWAYS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateways`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateway_members`
[INFO] [stdout]    --> src/main.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let number_of_gateway_members = env::var("NUMBER_OF_GATEWAY_MEMBERS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateway_members`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulate` is never used
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn simulate() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulate_pairwise_communication_energy_consumption` is never used
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn simulate_pairwise_communication_energy_consumption() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "b075d90ffd53aad23757249fe1e5587c3b5c34bfa074ffa537586151450eb9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b075d90ffd53aad23757249fe1e5587c3b5c34bfa074ffa537586151450eb9b1", kill_on_drop: false }`
[INFO] [stdout] b075d90ffd53aad23757249fe1e5587c3b5c34bfa074ffa537586151450eb9b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1325bc4e57cffac9a529d6e423f11b3a17bc65ff8654895c3c507e363720b177
[INFO] running `Command { std: "docker" "start" "-a" "1325bc4e57cffac9a529d6e423f11b3a17bc65ff8654895c3c507e363720b177", kill_on_drop: false }`
[INFO] [stderr]    Compiling evkms_metrics_simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `number_of_gateways`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let number_of_gateways = env::var("NUMBER_OF_GATEWAYS")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateways`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateway_members`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let number_of_gateway_members = env::var("NUMBER_OF_GATEWAY_MEMBERS")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateway_members`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateways`
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let number_of_gateways = env::var("NUMBER_OF_GATEWAYS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateways`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateway_members`
[INFO] [stdout]    --> src/main.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let number_of_gateway_members = env::var("NUMBER_OF_GATEWAY_MEMBERS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateway_members`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateways`
[INFO] [stdout]    --> src/main.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let number_of_gateways = env::var("NUMBER_OF_GATEWAYS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateways`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_gateway_members`
[INFO] [stdout]    --> src/main.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let number_of_gateway_members = env::var("NUMBER_OF_GATEWAY_MEMBERS")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_gateway_members`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulate` is never used
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn simulate() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulate_pairwise_communication_energy_consumption` is never used
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn simulate_pairwise_communication_energy_consumption() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "1325bc4e57cffac9a529d6e423f11b3a17bc65ff8654895c3c507e363720b177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1325bc4e57cffac9a529d6e423f11b3a17bc65ff8654895c3c507e363720b177", kill_on_drop: false }`
[INFO] [stdout] 1325bc4e57cffac9a529d6e423f11b3a17bc65ff8654895c3c507e363720b177