[INFO] fetching crate ConExpression 0.1.0...
[INFO] checking ConExpression-0.1.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate ConExpression 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ConExpression 0.1.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ConExpression 0.1.0
[INFO] finished tweaking crates.io crate ConExpression 0.1.0
[INFO] tweaked toml for crates.io crate ConExpression 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb6e94c92c9e15e3e6e493e33a35fc3fcb0671ae32c276cb90281ac8a2bfe09b
[INFO] running `Command { std: "docker" "start" "-a" "bb6e94c92c9e15e3e6e493e33a35fc3fcb0671ae32c276cb90281ac8a2bfe09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6e94c92c9e15e3e6e493e33a35fc3fcb0671ae32c276cb90281ac8a2bfe09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6e94c92c9e15e3e6e493e33a35fc3fcb0671ae32c276cb90281ac8a2bfe09b", kill_on_drop: false }`
[INFO] [stdout] bb6e94c92c9e15e3e6e493e33a35fc3fcb0671ae32c276cb90281ac8a2bfe09b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afc32eb0f9d5a29676512cd5e6c5a83ba8c53bac98a87a1eecbc2116ab320dd
[INFO] running `Command { std: "docker" "start" "-a" "7afc32eb0f9d5a29676512cd5e6c5a83ba8c53bac98a87a1eecbc2116ab320dd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking ConExpression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ConExpression` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `con_expression`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert__ok` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn test_assert__ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_ok`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert__failed` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn test_assert__failed() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_failed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert_eq__ok` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn test_assert_eq__ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_eq_ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert_eq__failed` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn test_assert_eq__failed() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_eq_failed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert_ne__ok` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn test_assert_ne__ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_ne_ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert_ne__failed` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn test_assert_ne__failed() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_ne_failed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert_should_panic__ok` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn test_assert_should_panic__ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_should_panic_ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert_should_panic__failed` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn test_assert_should_panic__failed() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_should_panic_failed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_assert_should_panic__failed_no_panic` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn test_assert_should_panic__failed_no_panic() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_assert_should_panic_failed_no_panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `iinstruction` should have an upper camel case name
[INFO] [stdout]  --> src/icontract/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait iinstruction {
[INFO] [stdout]   |           ^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Iinstruction`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ichannel` should have an upper camel case name
[INFO] [stdout]  --> src/icontract/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ichannel {
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ichannel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Instruction_OCR` should have an upper camel case name
[INFO] [stdout]   --> src/icontract/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Instruction_OCR {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `InstructionOcr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Instruction_Temp` should have an upper camel case name
[INFO] [stdout]   --> src/icontract/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Instruction_Temp {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `InstructionTemp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `iinstruction` should have an upper camel case name
[INFO] [stdout]  --> src/icontract/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait iinstruction {
[INFO] [stdout]   |           ^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Iinstruction`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ichannel` should have an upper camel case name
[INFO] [stdout]  --> src/icontract/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ichannel {
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ichannel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Instruction_OCR` should have an upper camel case name
[INFO] [stdout]   --> src/icontract/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Instruction_OCR {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `InstructionOcr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Instruction_Temp` should have an upper camel case name
[INFO] [stdout]   --> src/icontract/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Instruction_Temp {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `InstructionTemp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/icontract/mod.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn send(instruction: &iinstruction) -> (bool, String);
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn send(instruction: &dyn iinstruction) -> (bool, String);
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/icontract/mod.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn send(instruction: &iinstruction) -> (bool, String);
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn send(instruction: &dyn iinstruction) -> (bool, String);
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 268 |     return;
[INFO] [stdout]     |     ------ any code following this expression is unreachable
[INFO] [stdout] 269 |
[INFO] [stdout] 270 |     println!();
[INFO] [stdout]     |     ^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 268 |     return;
[INFO] [stdout]     |     ------ any code following this expression is unreachable
[INFO] [stdout] 269 |
[INFO] [stdout] 270 |     println!();
[INFO] [stdout]     |     ^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `one`
[INFO] [stdout]   --> src/hashmap/mod.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let one = map.get("One");
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_one`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmap/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut scores: HashMap<_, _> = keys.iter().zip(values.iter()).collect();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `derection` is never read
[INFO] [stdout]   --> src/icontract/mod.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut derection: i32 = 0;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `one`
[INFO] [stdout]   --> src/hashmap/mod.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let one = map.get("One");
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_one`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let f = File::open(filename)?;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmap/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut scores: HashMap<_, _> = keys.iter().zip(values.iter()).collect();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `robot_agent_bm`
[INFO] [stdout]    --> src/main.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |     let robot_agent_bm: &'static str = "R1";
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_robot_agent_bm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `robot_device_id`
[INFO] [stdout]    --> src/main.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let robot_device_id: &'static str = "99";
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_robot_device_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]    --> src/main.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let home = "127.0.0.1".parse::<IpAddr>().unwrap();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `derection` is never read
[INFO] [stdout]   --> src/icontract/mod.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut derection: i32 = 0;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let f = File::open(filename)?;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `robot_agent_bm`
[INFO] [stdout]    --> src/main.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |     let robot_agent_bm: &'static str = "R1";
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_robot_agent_bm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `robot_device_id`
[INFO] [stdout]    --> src/main.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let robot_device_id: &'static str = "99";
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_robot_device_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]    --> src/main.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let home = "127.0.0.1".parse::<IpAddr>().unwrap();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum IpKind {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] 39 |     V4,
[INFO] [stdout] 40 |     V6,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     V4(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 |     V4(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum IpAddr2
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 54 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     V4(u8, u8, u8, u8),
[INFO] [stdout]    |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 60 |     V4((), (), (), ()),
[INFO] [stdout]    |        ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | enum IpAddr3
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 61 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query` is never read
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Config {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 66 |     query: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulated_expensive_calculation` is never used
[INFO] [stdout]    --> src/main.rs:515:4
[INFO] [stdout]     |
[INFO] [stdout] 515 | fn simulated_expensive_calculation(intensity:i32)->i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ichannel` is never used
[INFO] [stdout]  --> src/icontract/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ichannel {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/icontract/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Instruction_Temp {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub agentbm: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 64 |     pub addr_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 65 |     pub plan_id: i32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 66 |     pub station_code: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 67 |     pub derection: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 68 |     pub device_id: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 69 |     pub property_id: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 70 |     pub value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 71 |     pub value_min: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 72 |     pub value_max: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 73 |     pub value_ix: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 74 |     pub value_iy: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 75 |     pub batch: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 76 |     pub time: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction_Temp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |     file.read_to_string(&mut content);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let _ = file.read_to_string(&mut content);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum IpKind {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] 39 |     V4,
[INFO] [stdout] 40 |     V6,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numberIndex` should have a snake case name
[INFO] [stdout]  --> src/math/mod.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut numberIndex = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^ help: convert the identifier to snake case: `number_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     V4(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 |     V4(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `toInstruction` should have a snake case name
[INFO] [stdout]  --> src/icontract/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn toInstruction(&self) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `to_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum IpAddr2
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 54 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]   --> src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     V4(u8, u8, u8, u8),
[INFO] [stdout]    |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 60 |     V4((), (), (), ()),
[INFO] [stdout]    |        ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | enum IpAddr3
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 61 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query` is never read
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Config {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 66 |     query: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulated_expensive_calculation` is never used
[INFO] [stdout]    --> src/main.rs:515:4
[INFO] [stdout]     |
[INFO] [stdout] 515 | fn simulated_expensive_calculation(intensity:i32)->i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ichannel` is never used
[INFO] [stdout]  --> src/icontract/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ichannel {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/icontract/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Instruction_Temp {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub agentbm: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 64 |     pub addr_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 65 |     pub plan_id: i32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 66 |     pub station_code: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 67 |     pub derection: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 68 |     pub device_id: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 69 |     pub property_id: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 70 |     pub value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 71 |     pub value_min: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 72 |     pub value_max: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 73 |     pub value_ix: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 74 |     pub value_iy: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 75 |     pub batch: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 76 |     pub time: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction_Temp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |     file.read_to_string(&mut content);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let _ = file.read_to_string(&mut content);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numberIndex` should have a snake case name
[INFO] [stdout]  --> src/math/mod.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut numberIndex = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^ help: convert the identifier to snake case: `number_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `toInstruction` should have a snake case name
[INFO] [stdout]  --> src/icontract/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn toInstruction(&self) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `to_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "7afc32eb0f9d5a29676512cd5e6c5a83ba8c53bac98a87a1eecbc2116ab320dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afc32eb0f9d5a29676512cd5e6c5a83ba8c53bac98a87a1eecbc2116ab320dd", kill_on_drop: false }`
[INFO] [stdout] 7afc32eb0f9d5a29676512cd5e6c5a83ba8c53bac98a87a1eecbc2116ab320dd
