[INFO] cloning repository https://github.com/taller-1-fiuba-rust/clases_practicas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taller-1-fiuba-rust/clases_practicas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaller-1-fiuba-rust%2Fclases_practicas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaller-1-fiuba-rust%2Fclases_practicas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aab27ea1f9459c24030c7b1f1d83210dadad5c18
[INFO] testing taller-1-fiuba-rust/clases_practicas against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaller-1-fiuba-rust%2Fclases_practicas" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/taller-1-fiuba-rust/clases_practicas
[INFO] finished tweaking git repo https://github.com/taller-1-fiuba-rust/clases_practicas
[INFO] tweaked toml for git repo https://github.com/taller-1-fiuba-rust/clases_practicas written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taller-1-fiuba-rust/clases_practicas on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taller-1-fiuba-rust/clases_practicas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdea5448a135d9ca4e256cc0e2f9ef542766e33a152a373f64732227d3c2956b
[INFO] running `Command { std: "docker" "start" "-a" "bdea5448a135d9ca4e256cc0e2f9ef542766e33a152a373f64732227d3c2956b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdea5448a135d9ca4e256cc0e2f9ef542766e33a152a373f64732227d3c2956b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdea5448a135d9ca4e256cc0e2f9ef542766e33a152a373f64732227d3c2956b", kill_on_drop: false }`
[INFO] [stdout] bdea5448a135d9ca4e256cc0e2f9ef542766e33a152a373f64732227d3c2956b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42960b0df025f82b760d97c9ee46630856e981a5d2d376c7a502b10665c70b63
[INFO] running `Command { std: "docker" "start" "-a" "42960b0df025f82b760d97c9ee46630856e981a5d2d376c7a502b10665c70b63", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rc` in package `clase3 v0.1.0 (/opt/rustwide/workdir/clases/clase3)` has the same output filename as the bin target `rc` in package `clase2 v0.1.0 (/opt/rustwide/workdir/clases/clase2)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rc
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rc` in package `clase3 v0.1.0 (/opt/rustwide/workdir/clases/clase3)` has the same output filename as the bin target `rc` in package `clase2 v0.1.0 (/opt/rustwide/workdir/clases/clase2)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rc.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
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[INFO] [stderr]    Compiling pkg-config v0.3.27
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[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]    Compiling smallvec v1.10.0
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[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling xcursor v0.3.8
[INFO] [stderr]    Compiling block-buffer v0.10.4
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[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling async-channel v1.9.0
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[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling gio v0.17.9
[INFO] [stderr]    Compiling accesskit v0.11.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling owned_ttf_parser v0.24.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling ab_glyph v0.2.28
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]    Compiling xdg-home v1.3.0
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.3.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling field-offset v0.3.5
[INFO] [stderr]    Compiling accesskit_consumer v0.15.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]    Compiling gtk v0.17.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling glow v0.12.3
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling clase1 v0.1.0 (/opt/rustwide/workdir/clases/clase1)
[INFO] [stdout] warning: unused import: `crate::saludar::saludar_nombre`
[INFO] [stdout]  --> clases/clase1/src/iteraciones.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::saludar::saludar_nombre;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> clases/clase1/src/builder_helados.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Helado {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn new(recipiente: Recipiente, gustos: Vec<Gusto>, cucharita: bool) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeladoBuilder` is never constructed
[INFO] [stdout]   --> clases/clase1/src/builder_helados.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct HeladoBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `build`, `with_recipiente`, `with_cucharita`, and `add_gusto` are never used
[INFO] [stdout]   --> clases/clase1/src/builder_helados.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl HeladoBuilder {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn build(self) -> Helado {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn with_recipiente(mut self, recipiente: Recipiente) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn with_cucharita(mut self, cucharita: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn add_gusto(mut self, gusto: Gusto) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coord` is never constructed
[INFO] [stdout]  --> clases/clase1/src/coordenada.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Coord {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `modulo` are never used
[INFO] [stdout]   --> clases/clase1/src/coordenada.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Coord {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn new(x: i32, y: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn modulo(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clase4 v0.1.0 (/opt/rustwide/workdir/clases/clase4)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> clases/clase4/src/02_open_ports.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling webbrowser v0.8.15
[INFO] [stderr]    Compiling regex v1.9.4
[INFO] [stdout] warning: enum `Carrera` is never used
[INFO] [stdout]  --> clases/clase1/src/correlativas.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Carrera {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_correlativas` is never used
[INFO] [stdout]   --> clases/clase1/src/correlativas.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn print_correlativas(carrera: &Carrera) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `saludar` is never used
[INFO] [stdout]  --> clases/clase1/src/saludar.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn saludar() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> clases/clase4/src/00_server.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> clases/clase4/src/01_bin_protocol_srv.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nombre` and `padron` are never read
[INFO] [stdout]  --> clases/clase4/src/alumno.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Alumno {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub nombre: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub padron: u32
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Alumno` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_to` is never used
[INFO] [stdout]   --> clases/clase4/src/alumno.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Alumno {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 10 |     pub fn write_to(&self, stream: &mut dyn Write) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling bytemuck_derive v1.7.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling enumflags2_derive v0.7.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling clase3 v0.1.0 (/opt/rustwide/workdir/clases/clase3)
[INFO] [stderr]    Compiling clase-testing v0.1.0 (/opt/rustwide/workdir/clases/clase6)
[INFO] [stderr]    Compiling bytemuck v1.18.0
[INFO] [stderr]    Compiling clase2 v0.1.0 (/opt/rustwide/workdir/clases/clase2)
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stdout] warning: fields `nombre` and `docente` are never read
[INFO] [stdout]  --> clases/clase2/src/lifetime.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Curso<'a> {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 7 |     nombre: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     docente: &'a Docente,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Curso` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `legajo`, `nombre`, and `regular` are never read
[INFO] [stdout]   --> clases/clase2/src/lifetime.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Docente {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 13 |     legajo: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     nombre: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     regular: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Docente` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atspi-macros v0.2.0
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling ecolor v0.22.0
[INFO] [stderr]    Compiling emath v0.22.0
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling tiny-skia v0.8.4
[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stdout] warning: unused variable: `nombre_contador_ref`
[INFO] [stdout]    --> clases/clase2/src/scopes.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let nombre_contador_ref = &contador_mut.clave;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nombre_contador_ref`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> clases/clase2/src/scopes.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let m = contador_mut.valor + 3;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `borrow_vector` is never used
[INFO] [stdout]   --> clases/clase2/src/scopes.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn borrow_vector() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `borrow_vector_mut` is never used
[INFO] [stdout]   --> clases/clase2/src/scopes.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn borrow_vector_mut() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stdout] warning: associated function `read_from` is never used
[INFO] [stdout]   --> clases/clase4/src/alumno.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Alumno {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn read_from(stream: &mut dyn Read) -> std::io::Result<Alumno> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling blocking v1.4.1
[INFO] [stdout] warning: field `padron` is never read
[INFO] [stdout]  --> clases/clase2/src/closure_borrow.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Alumno {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 4 |     padron: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Alumno` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.8.6/src/lib.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42960b0df025f82b760d97c9ee46630856e981a5d2d376c7a502b10665c70b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42960b0df025f82b760d97c9ee46630856e981a5d2d376c7a502b10665c70b63", kill_on_drop: false }`
[INFO] [stdout] 42960b0df025f82b760d97c9ee46630856e981a5d2d376c7a502b10665c70b63