[INFO] cloning repository https://github.com/encapsulados/rust-cache-y-demas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/encapsulados/rust-cache-y-demas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fencapsulados%2Frust-cache-y-demas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fencapsulados%2Frust-cache-y-demas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efa68d0e6113d9739251ee3d8416541b5107b4ab
[INFO] checking encapsulados/rust-cache-y-demas against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fencapsulados%2Frust-cache-y-demas" "/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/encapsulados/rust-cache-y-demas
[INFO] finished tweaking git repo https://github.com/encapsulados/rust-cache-y-demas
[INFO] tweaked toml for git repo https://github.com/encapsulados/rust-cache-y-demas written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/encapsulados/rust-cache-y-demas on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/encapsulados/rust-cache-y-demas 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" "+0c70cfbec949d241375e31c5a42066be70c720fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded redox_syscall v0.5.2
[INFO] [stderr]   Downloaded miniz_oxide v0.8.0
[INFO] [stderr]   Downloaded syn v2.0.68
[INFO] [stderr]   Downloaded object v0.36.5
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a68a6a82dc1f5c0df44d12bd567b280f66f0ba4060135f59130867d0d284662a
[INFO] running `Command { std: "docker" "start" "-a" "a68a6a82dc1f5c0df44d12bd567b280f66f0ba4060135f59130867d0d284662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68a6a82dc1f5c0df44d12bd567b280f66f0ba4060135f59130867d0d284662a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68a6a82dc1f5c0df44d12bd567b280f66f0ba4060135f59130867d0d284662a", kill_on_drop: false }`
[INFO] [stdout] a68a6a82dc1f5c0df44d12bd567b280f66f0ba4060135f59130867d0d284662a
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6432c260184ee24409743407be0ecc7734f85c104f349a8cf8af28a05fbb280a
[INFO] running `Command { std: "docker" "start" "-a" "6432c260184ee24409743407be0ecc7734f85c104f349a8cf8af28a05fbb280a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking cache-y-demas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nodo`
[INFO] [stdout]   --> src/cache.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn agregar_cabeza(&self, nodo: NodoRef) {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_nodo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mensaje_de_error` is never read
[INFO] [stdout]  --> src/http.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CódigoDeErrorPersonalizado {
[INFO] [stdout]   |        -------------------------- field in this struct
[INFO] [stdout] 5 |     mensaje_de_error: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NodoRef` is never used
[INFO] [stdout]   --> src/cache.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type NodoRef = Rc<RefCell<Nodo>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nodo` is never constructed
[INFO] [stdout]   --> src/cache.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Nodo {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lista` is never constructed
[INFO] [stdout]   --> src/cache.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Lista {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `agregar_cabeza`, `sacar_cola`, and `sacar` are never used
[INFO] [stdout]   --> src/cache.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Lista {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 39 |     fn agregar_cabeza(&self, nodo: NodoRef) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn sacar_cola(&self) -> NodoRef {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn sacar(&self, nodo: NodoRef) -> NodoRef {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.94s
[INFO] [stdout] warning: unused variable: `nodo`
[INFO] [stdout]   --> src/cache.rs:39:30
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn agregar_cabeza(&self, nodo: NodoRef) {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_nodo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mensaje_de_error` is never read
[INFO] [stdout]  --> src/http.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CódigoDeErrorPersonalizado {
[INFO] [stdout]   |        -------------------------- field in this struct
[INFO] [stdout] 5 |     mensaje_de_error: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NodoRef` is never used
[INFO] [stdout]   --> src/cache.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type NodoRef = Rc<RefCell<Nodo>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nodo` is never constructed
[INFO] [stdout]   --> src/cache.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Nodo {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lista` is never constructed
[INFO] [stdout]   --> src/cache.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Lista {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `agregar_cabeza`, `sacar_cola`, and `sacar` are never used
[INFO] [stdout]   --> src/cache.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Lista {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 39 |     fn agregar_cabeza(&self, nodo: NodoRef) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn sacar_cola(&self) -> NodoRef {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn sacar(&self, nodo: NodoRef) -> NodoRef {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6432c260184ee24409743407be0ecc7734f85c104f349a8cf8af28a05fbb280a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6432c260184ee24409743407be0ecc7734f85c104f349a8cf8af28a05fbb280a", kill_on_drop: false }`
[INFO] [stdout] 6432c260184ee24409743407be0ecc7734f85c104f349a8cf8af28a05fbb280a