[INFO] cloning repository https://github.com/giuliaioana/hello_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/giuliaioana/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiuliaioana%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiuliaioana%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f2d867da6a1be184ec86a40d9345e9725f7bc1e
[INFO] testing giuliaioana/hello_rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiuliaioana%2Fhello_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/giuliaioana/hello_rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/giuliaioana/hello_rust
[INFO] finished tweaking git repo https://github.com/giuliaioana/hello_rust
[INFO] tweaked toml for git repo https://github.com/giuliaioana/hello_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/giuliaioana/hello_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03f4bd1523c60047a501072b548443e9ebfe8fe5240f2c2b7fa7f965bbb58c2d
[INFO] running `Command { std: "docker" "start" "-a" "03f4bd1523c60047a501072b548443e9ebfe8fe5240f2c2b7fa7f965bbb58c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03f4bd1523c60047a501072b548443e9ebfe8fe5240f2c2b7fa7f965bbb58c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f4bd1523c60047a501072b548443e9ebfe8fe5240f2c2b7fa7f965bbb58c2d", kill_on_drop: false }`
[INFO] [stdout] 03f4bd1523c60047a501072b548443e9ebfe8fe5240f2c2b7fa7f965bbb58c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 886e45f61da8497399c748ea2e6004a9362ce00ea041e0bdfbff04a5ce19747a
[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" "886e45f61da8497399c748ea2e6004a9362ce00ea041e0bdfbff04a5ce19747a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/pm.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |       z @ 9...11 => "lots of ",  //z @ ii atribuie lui z acea valoare si ne putem referi si dupa la ea
[INFO] [stdout]   |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/pm.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     match (point)
[INFO] [stdout]    |           ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:993:22
[INFO] [stdout]     |
[INFO] [stdout] 993 |  fn print_it_too(z: &Printable)
[INFO] [stdout]     |                      ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1423:18
[INFO] [stdout]      |
[INFO] [stdout] 1423 |     let shapes:[&Shape2; 4] = [
[INFO] [stdout]      |                  ^^^^^^ help: use `dyn`: `dyn Shape2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1474:29
[INFO] [stdout]      |
[INFO] [stdout] 1474 |     let mut animals:Vec<Box<Animal>> = Vec::new();
[INFO] [stdout]      |                             ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi_less_4`
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let pi_less_4 = std::f64::consts::PI < 4.0; //true
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pi_less_4`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let a = 123;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:402:11
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/main.rs:402:14
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:402:19
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:402:22
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:425:11
[INFO] [stdout]     |
[INFO] [stdout] 425 |       let a = PointG { x: 0, y: 0};
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:426:11
[INFO] [stdout]     |
[INFO] [stdout] 426 |       let b = PointG { x: 1.2, y: 3.4};
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:530:11
[INFO] [stdout]     |
[INFO] [stdout] 530 |       let u:&str = &letters;
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abc`
[INFO] [stdout]    --> src/main.rs:536:11
[INFO] [stdout]     |
[INFO] [stdout] 536 |       let mut abc = String::from("hello world");
[INFO] [stdout]     |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `borrow_two`
[INFO] [stdout]    --> src/main.rs:669:9
[INFO] [stdout]     |
[INFO] [stdout] 669 |     let borrow_two = &mut two;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrow_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/main.rs:1098:9
[INFO] [stdout]      |
[INFO] [stdout] 1098 |     let s = match x {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `john`
[INFO] [stdout]     --> src/main.rs:1369:9
[INFO] [stdout]      |
[INFO] [stdout] 1369 |     let john = Person::new("John");
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_john`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jane`
[INFO] [stdout]     --> src/main.rs:1372:9
[INFO] [stdout]      |
[INFO] [stdout] 1372 |     let jane = Person::new(name/*.as_ref()*/);
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_jane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `clever` is assigned to, but never used
[INFO] [stdout]     --> src/main.rs:1377:9
[INFO] [stdout]      |
[INFO] [stdout] 1377 |     let mut clever: Creature;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_clever` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `clever` is never read
[INFO] [stdout]     --> src/main.rs:1384:9
[INFO] [stdout]      |
[INFO] [stdout] 1384 |         clever = goblin;
[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: `v2`
[INFO] [stdout]     --> src/main.rs:1487:9
[INFO] [stdout]      |
[INFO] [stdout] 1487 |     let v2 = v;  //in momentul in care scriu v2 = v, nu se
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u2`
[INFO] [stdout]     --> src/main.rs:1510:9
[INFO] [stdout]      |
[INFO] [stdout] 1510 |     let u2 = u;
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_u2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1560:9
[INFO] [stdout]      |
[INFO] [stdout] 1560 |     let mut c = &a;  //nu va afecta compilarea programului
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tesla`
[INFO] [stdout]     --> src/main.rs:1598:9
[INFO] [stdout]      |
[INFO] [stdout] 1598 |     let tesla = Company { name: String::from("Tesla"), ceo: &boss};
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tesla`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `z` is assigned to, but never used
[INFO] [stdout]     --> src/main.rs:1600:9
[INFO] [stdout]      |
[INFO] [stdout] 1600 |     let mut z: &String;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_z` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z` is never read
[INFO] [stdout]     --> src/main.rs:1603:9
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         z = p.get_ref_name();
[INFO] [stdout]      |         ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]  --> src/pm.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |       z @ 9...11 => "lots of ",  //z @ ii atribuie lui z acea valoare si ne putem referi si dupa la ea
[INFO] [stdout]   |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:536:11
[INFO] [stdout]     |
[INFO] [stdout] 536 |       let mut abc = String::from("hello world");
[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/main.rs:1377:9
[INFO] [stdout]      |
[INFO] [stdout] 1377 |     let mut clever: Creature;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1392:9
[INFO] [stdout]      |
[INFO] [stdout] 1392 |     let mut a = Complex::new(1.0,2.0);
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1393:9
[INFO] [stdout]      |
[INFO] [stdout] 1393 |     let mut b = Complex::new(3.0,4.0);
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1560:9
[INFO] [stdout]      |
[INFO] [stdout] 1560 |     let mut c = &a;  //nu va afecta compilarea programului
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1576:9
[INFO] [stdout]      |
[INFO] [stdout] 1576 |     let mut z = vec![3,2,1];
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1600:9
[INFO] [stdout]      |
[INFO] [stdout] 1600 |     let mut z: &String;
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "886e45f61da8497399c748ea2e6004a9362ce00ea041e0bdfbff04a5ce19747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886e45f61da8497399c748ea2e6004a9362ce00ea041e0bdfbff04a5ce19747a", kill_on_drop: false }`
[INFO] [stdout] 886e45f61da8497399c748ea2e6004a9362ce00ea041e0bdfbff04a5ce19747a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fd38e253da48c8a94c6caf1ea19e1204b51afe6a85e4a6d2db19f5c274c4dd
[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" "f3fd38e253da48c8a94c6caf1ea19e1204b51afe6a85e4a6d2db19f5c274c4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/pm.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |       z @ 9...11 => "lots of ",  //z @ ii atribuie lui z acea valoare si ne putem referi si dupa la ea
[INFO] [stdout]   |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/pm.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     match (point)
[INFO] [stdout]    |           ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:993:22
[INFO] [stdout]     |
[INFO] [stdout] 993 |  fn print_it_too(z: &Printable)
[INFO] [stdout]     |                      ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1423:18
[INFO] [stdout]      |
[INFO] [stdout] 1423 |     let shapes:[&Shape2; 4] = [
[INFO] [stdout]      |                  ^^^^^^ help: use `dyn`: `dyn Shape2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1474:29
[INFO] [stdout]      |
[INFO] [stdout] 1474 |     let mut animals:Vec<Box<Animal>> = Vec::new();
[INFO] [stdout]      |                             ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pi_less_4`
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let pi_less_4 = std::f64::consts::PI < 4.0; //true
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pi_less_4`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let a = 123;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:402:11
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/main.rs:402:14
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:402:19
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:402:22
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:425:11
[INFO] [stdout]     |
[INFO] [stdout] 425 |       let a = PointG { x: 0, y: 0};
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:426:11
[INFO] [stdout]     |
[INFO] [stdout] 426 |       let b = PointG { x: 1.2, y: 3.4};
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:530:11
[INFO] [stdout]     |
[INFO] [stdout] 530 |       let u:&str = &letters;
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abc`
[INFO] [stdout]    --> src/main.rs:536:11
[INFO] [stdout]     |
[INFO] [stdout] 536 |       let mut abc = String::from("hello world");
[INFO] [stdout]     |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `borrow_two`
[INFO] [stdout]    --> src/main.rs:669:9
[INFO] [stdout]     |
[INFO] [stdout] 669 |     let borrow_two = &mut two;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrow_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/main.rs:1098:9
[INFO] [stdout]      |
[INFO] [stdout] 1098 |     let s = match x {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `john`
[INFO] [stdout]     --> src/main.rs:1369:9
[INFO] [stdout]      |
[INFO] [stdout] 1369 |     let john = Person::new("John");
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_john`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jane`
[INFO] [stdout]     --> src/main.rs:1372:9
[INFO] [stdout]      |
[INFO] [stdout] 1372 |     let jane = Person::new(name/*.as_ref()*/);
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_jane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `clever` is assigned to, but never used
[INFO] [stdout]     --> src/main.rs:1377:9
[INFO] [stdout]      |
[INFO] [stdout] 1377 |     let mut clever: Creature;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_clever` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `clever` is never read
[INFO] [stdout]     --> src/main.rs:1384:9
[INFO] [stdout]      |
[INFO] [stdout] 1384 |         clever = goblin;
[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: `v2`
[INFO] [stdout]     --> src/main.rs:1487:9
[INFO] [stdout]      |
[INFO] [stdout] 1487 |     let v2 = v;  //in momentul in care scriu v2 = v, nu se
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u2`
[INFO] [stdout]     --> src/main.rs:1510:9
[INFO] [stdout]      |
[INFO] [stdout] 1510 |     let u2 = u;
[INFO] [stdout]      |         ^^ help: if this is intentional, prefix it with an underscore: `_u2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/main.rs:1560:9
[INFO] [stdout]      |
[INFO] [stdout] 1560 |     let mut c = &a;  //nu va afecta compilarea programului
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tesla`
[INFO] [stdout]     --> src/main.rs:1598:9
[INFO] [stdout]      |
[INFO] [stdout] 1598 |     let tesla = Company { name: String::from("Tesla"), ceo: &boss};
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tesla`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `z` is assigned to, but never used
[INFO] [stdout]     --> src/main.rs:1600:9
[INFO] [stdout]      |
[INFO] [stdout] 1600 |     let mut z: &String;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_z` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `z` is never read
[INFO] [stdout]     --> src/main.rs:1603:9
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         z = p.get_ref_name();
[INFO] [stdout]      |         ^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]  --> src/pm.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |       z @ 9...11 => "lots of ",  //z @ ii atribuie lui z acea valoare si ne putem referi si dupa la ea
[INFO] [stdout]   |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:536:11
[INFO] [stdout]     |
[INFO] [stdout] 536 |       let mut abc = String::from("hello world");
[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/main.rs:1377:9
[INFO] [stdout]      |
[INFO] [stdout] 1377 |     let mut clever: Creature;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1392:9
[INFO] [stdout]      |
[INFO] [stdout] 1392 |     let mut a = Complex::new(1.0,2.0);
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1393:9
[INFO] [stdout]      |
[INFO] [stdout] 1393 |     let mut b = Complex::new(3.0,4.0);
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1560:9
[INFO] [stdout]      |
[INFO] [stdout] 1560 |     let mut c = &a;  //nu va afecta compilarea programului
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1576:9
[INFO] [stdout]      |
[INFO] [stdout] 1576 |     let mut z = vec![3,2,1];
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1600:9
[INFO] [stdout]      |
[INFO] [stdout] 1600 |     let mut z: &String;
[INFO] [stdout]      |         ----^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3fd38e253da48c8a94c6caf1ea19e1204b51afe6a85e4a6d2db19f5c274c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fd38e253da48c8a94c6caf1ea19e1204b51afe6a85e4a6d2db19f5c274c4dd", kill_on_drop: false }`
[INFO] [stdout] f3fd38e253da48c8a94c6caf1ea19e1204b51afe6a85e4a6d2db19f5c274c4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82e627efcabc83087c3619ed594cf107fc3794e7dc796e3eb2493b90884f918b
[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" "82e627efcabc83087c3619ed594cf107fc3794e7dc796e3eb2493b90884f918b", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]  --> src/pm.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |       z @ 9...11 => "lots of ",  //z @ ii atribuie lui z acea valoare si ne putem referi si dupa la ea
[INFO] [stderr]   |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/pm.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |     match (point)
[INFO] [stderr]    |           ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:993:22
[INFO] [stderr]     |
[INFO] [stderr] 993 |  fn print_it_too(z: &Printable)
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/main.rs:1423:18
[INFO] [stderr]      |
[INFO] [stderr] 1423 |     let shapes:[&Shape2; 4] = [
[INFO] [stderr]      |                  ^^^^^^ help: use `dyn`: `dyn Shape2`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/main.rs:1474:29
[INFO] [stderr]      |
[INFO] [stderr] 1474 |     let mut animals:Vec<Box<Animal>> = Vec::new();
[INFO] [stderr]      |                             ^^^^^^ help: use `dyn`: `dyn Animal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pi_less_4`
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let pi_less_4 = std::f64::consts::PI < 4.0; //true
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pi_less_4`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/main.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let a = 123;
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/main.rs:402:11
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]    --> src/main.rs:402:14
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:402:19
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/main.rs:402:22
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let ((c, d), (e, f)) = combined;
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/main.rs:425:11
[INFO] [stderr]     |
[INFO] [stderr] 425 |       let a = PointG { x: 0, y: 0};
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:426:11
[INFO] [stderr]     |
[INFO] [stderr] 426 |       let b = PointG { x: 1.2, y: 3.4};
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:530:11
[INFO] [stderr]     |
[INFO] [stderr] 530 |       let u:&str = &letters;
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `abc`
[INFO] [stderr]    --> src/main.rs:536:11
[INFO] [stderr]     |
[INFO] [stderr] 536 |       let mut abc = String::from("hello world");
[INFO] [stderr]     |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `borrow_two`
[INFO] [stderr]    --> src/main.rs:669:9
[INFO] [stderr]     |
[INFO] [stderr] 669 |     let borrow_two = &mut two;
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrow_two`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]     --> src/main.rs:1098:9
[INFO] [stderr]      |
[INFO] [stderr] 1098 |     let s = match x {
[INFO] [stderr]      |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `john`
[INFO] [stderr]     --> src/main.rs:1369:9
[INFO] [stderr]      |
[INFO] [stderr] 1369 |     let john = Person::new("John");
[INFO] [stderr]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_john`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `jane`
[INFO] [stderr]     --> src/main.rs:1372:9
[INFO] [stderr]      |
[INFO] [stderr] 1372 |     let jane = Person::new(name/*.as_ref()*/);
[INFO] [stderr]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_jane`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `clever` is assigned to, but never used
[INFO] [stderr]     --> src/main.rs:1377:9
[INFO] [stderr]      |
[INFO] [stderr] 1377 |     let mut clever: Creature;
[INFO] [stderr]      |         ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_clever` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `clever` is never read
[INFO] [stderr]     --> src/main.rs:1384:9
[INFO] [stderr]      |
[INFO] [stderr] 1384 |         clever = goblin;
[INFO] [stderr]      |         ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]     --> src/main.rs:1487:9
[INFO] [stderr]      |
[INFO] [stderr] 1487 |     let v2 = v;  //in momentul in care scriu v2 = v, nu se
[INFO] [stderr]      |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u2`
[INFO] [stderr]     --> src/main.rs:1510:9
[INFO] [stderr]      |
[INFO] [stderr] 1510 |     let u2 = u;
[INFO] [stderr]      |         ^^ help: if this is intentional, prefix it with an underscore: `_u2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]     --> src/main.rs:1560:9
[INFO] [stderr]      |
[INFO] [stderr] 1560 |     let mut c = &a;  //nu va afecta compilarea programului
[INFO] [stderr]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tesla`
[INFO] [stderr]     --> src/main.rs:1598:9
[INFO] [stderr]      |
[INFO] [stderr] 1598 |     let tesla = Company { name: String::from("Tesla"), ceo: &boss};
[INFO] [stderr]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tesla`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `z` is assigned to, but never used
[INFO] [stderr]     --> src/main.rs:1600:9
[INFO] [stderr]      |
[INFO] [stderr] 1600 |     let mut z: &String;
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: consider using `_z` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `z` is never read
[INFO] [stderr]     --> src/main.rs:1603:9
[INFO] [stderr]      |
[INFO] [stderr] 1603 |         z = p.get_ref_name();
[INFO] [stderr]      |         ^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]  --> src/pm.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 |       z @ 9...11 => "lots of ",  //z @ ii atribuie lui z acea valoare si ne putem referi si dupa la ea
[INFO] [stderr]   |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:536:11
[INFO] [stderr]     |
[INFO] [stderr] 536 |       let mut abc = String::from("hello world");
[INFO] [stderr]     |           ----^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1377:9
[INFO] [stderr]      |
[INFO] [stderr] 1377 |     let mut clever: Creature;
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1392:9
[INFO] [stderr]      |
[INFO] [stderr] 1392 |     let mut a = Complex::new(1.0,2.0);
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1393:9
[INFO] [stderr]      |
[INFO] [stderr] 1393 |     let mut b = Complex::new(3.0,4.0);
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1560:9
[INFO] [stderr]      |
[INFO] [stderr] 1560 |     let mut c = &a;  //nu va afecta compilarea programului
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1576:9
[INFO] [stderr]      |
[INFO] [stderr] 1576 |     let mut z = vec![3,2,1];
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1600:9
[INFO] [stderr]      |
[INFO] [stderr] 1600 |     let mut z: &String;
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 35 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_rust-bccb5c652e5ef1ca
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82e627efcabc83087c3619ed594cf107fc3794e7dc796e3eb2493b90884f918b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e627efcabc83087c3619ed594cf107fc3794e7dc796e3eb2493b90884f918b", kill_on_drop: false }`
[INFO] [stdout] 82e627efcabc83087c3619ed594cf107fc3794e7dc796e3eb2493b90884f918b