[INFO] cloning repository https://github.com/ibrahimhaji0708/rust_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ibrahimhaji0708/rust_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibrahimhaji0708%2Frust_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibrahimhaji0708%2Frust_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a28f9a3d0499ade4a73e05c8e5d542507997381
[INFO] testing ibrahimhaji0708/rust_app against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibrahimhaji0708%2Frust_app" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ibrahimhaji0708/rust_app
[INFO] finished tweaking git repo https://github.com/ibrahimhaji0708/rust_app
[INFO] tweaked toml for git repo https://github.com/ibrahimhaji0708/rust_app written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ibrahimhaji0708/rust_app on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ibrahimhaji0708/rust_app 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d091d7c695964a7747cb23a599ae1fcaa84cc3bd3fd67bf59efef4f987f9d0a
[INFO] running `Command { std: "docker" "start" "-a" "2d091d7c695964a7747cb23a599ae1fcaa84cc3bd3fd67bf59efef4f987f9d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d091d7c695964a7747cb23a599ae1fcaa84cc3bd3fd67bf59efef4f987f9d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d091d7c695964a7747cb23a599ae1fcaa84cc3bd3fd67bf59efef4f987f9d0a", kill_on_drop: false }`
[INFO] [stdout] 2d091d7c695964a7747cb23a599ae1fcaa84cc3bd3fd67bf59efef4f987f9d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9f36ff0994654c02d853dd5e2ed1264512617634079b85754a59d48664c06685
[INFO] running `Command { std: "docker" "start" "-a" "9f36ff0994654c02d853dd5e2ed1264512617634079b85754a59d48664c06685", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/vector_vec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/vector_vec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/vector_vec.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let row = vec![
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num` is never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct SomeStruct {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 38 |     num: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SomeStruct` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `biggest` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn biggest<'a>(a: &'a SomeStruct, b: &'a SomeStruct) -> &'a SomeStruct {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap` is never used
[INFO] [stdout]  --> src/swaping.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn swap() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lifetimes` is never used
[INFO] [stdout]  --> src/lifetimes.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub fn lifetimes() {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]   --> src/lifetimes.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn longest<'a>(x: &'a str, y:&'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cool` is never used
[INFO] [stdout]   --> src/adv_basics/mod.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | trait Cool {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fridge_operations` is never used
[INFO] [stdout]   --> src/adv_basics/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn fridge_operations() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Freezer` is never constructed
[INFO] [stdout]  --> src/adv_basics/mod.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |         pub struct Freezer {
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `freezing` is never used
[INFO] [stdout]  --> src/adv_basics/mod.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |         impl Freezer {
[INFO] [stdout]   |         ------------ method in this implementation
[INFO] [stdout] 9 |             pub fn freezing(&mut self) {
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cooler` is never constructed
[INFO] [stdout]   --> src/adv_basics/mod.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 |         pub struct Cooler {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `refrigerate`, `cool`, and `const_cool` are never used
[INFO] [stdout]   --> src/adv_basics/mod.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |         impl Cooler {
[INFO] [stdout]    |         ----------- methods in this implementation
[INFO] [stdout] 23 |             pub fn refrigerate(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |             pub fn cool(&mut self) {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |             pub fn const_cool(&mut self) {
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectors` is never used
[INFO] [stdout]  --> src/vector_vec.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn vectors() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enums` is never used
[INFO] [stdout]   --> src/vector_vec.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn enums() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "9f36ff0994654c02d853dd5e2ed1264512617634079b85754a59d48664c06685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f36ff0994654c02d853dd5e2ed1264512617634079b85754a59d48664c06685", kill_on_drop: false }`
[INFO] [stdout] 9f36ff0994654c02d853dd5e2ed1264512617634079b85754a59d48664c06685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 78648cfcb6c18e34fd056b4b0299ce9bdb00ad73b07a96f720ef3b5ed65cad42
[INFO] running `Command { std: "docker" "start" "-a" "78648cfcb6c18e34fd056b4b0299ce9bdb00ad73b07a96f720ef3b5ed65cad42", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/dffe55046f214e25615b8211a8f3e13c96179819f4df3dfdd8eb5bf0027fc98c/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "78648cfcb6c18e34fd056b4b0299ce9bdb00ad73b07a96f720ef3b5ed65cad42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78648cfcb6c18e34fd056b4b0299ce9bdb00ad73b07a96f720ef3b5ed65cad42", kill_on_drop: false }`
[INFO] [stdout] 78648cfcb6c18e34fd056b4b0299ce9bdb00ad73b07a96f720ef3b5ed65cad42