[INFO] fetching crate ConExpression 0.1.0...
[INFO] checking ConExpression-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate ConExpression 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ConExpression 0.1.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff25c95955b01b449245b41e4ec0d8a801967eb2d30cfe3de71d2962de7af794
[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" "ff25c95955b01b449245b41e4ec0d8a801967eb2d30cfe3de71d2962de7af794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff25c95955b01b449245b41e4ec0d8a801967eb2d30cfe3de71d2962de7af794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff25c95955b01b449245b41e4ec0d8a801967eb2d30cfe3de71d2962de7af794", kill_on_drop: false }`
[INFO] [stdout] ff25c95955b01b449245b41e4ec0d8a801967eb2d30cfe3de71d2962de7af794
[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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d777312be5534f29a3c33aee68d213af57e63abe2928daa21f0c8c9cd5e8fedc
[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" "d777312be5534f29a3c33aee68d213af57e63abe2928daa21f0c8c9cd5e8fedc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[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]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `con_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ConExpression` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `con_expression`
[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] 
[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: 11 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: 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]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn iinstruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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: 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]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn iinstruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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: 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 a macro (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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: `#[warn(unused_variables)]` 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: 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] 
[INFO] [stdout] warning: value assigned to `derection` is never read
[INFO] [stdout]   --> src/icontract/mod.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut derection: i32 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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]     = note: `#[warn(unused_variables)]` 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: 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] 
[INFO] [stdout] warning: value assigned to `derection` is never read
[INFO] [stdout]   --> src/icontract/mod.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut derection: i32 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: 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: variant is never constructed: `V6`
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     V6,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simulated_expensive_calculation`
[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: crate `ConExpression` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `con_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     V6,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/main.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     V6
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simulated_expensive_calculation`
[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: crate `ConExpression` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `con_expression`
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 
[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] 
[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: 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: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "d777312be5534f29a3c33aee68d213af57e63abe2928daa21f0c8c9cd5e8fedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d777312be5534f29a3c33aee68d213af57e63abe2928daa21f0c8c9cd5e8fedc", kill_on_drop: false }`
[INFO] [stdout] d777312be5534f29a3c33aee68d213af57e63abe2928daa21f0c8c9cd5e8fedc