[INFO] cloning repository https://github.com/gilbertbizz/learn_algorithms_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilbertbizz/learn_algorithms_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertbizz%2Flearn_algorithms_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertbizz%2Flearn_algorithms_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2543b44e8385e830f2579e60fdeca5bf265a8bd
[INFO] testing gilbertbizz/learn_algorithms_in_rust against beta-2025-01-12 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertbizz%2Flearn_algorithms_in_rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilbertbizz/learn_algorithms_in_rust on toolchain beta-2025-01-12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilbertbizz/learn_algorithms_in_rust
[INFO] finished tweaking git repo https://github.com/gilbertbizz/learn_algorithms_in_rust
[INFO] tweaked toml for git repo https://github.com/gilbertbizz/learn_algorithms_in_rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gilbertbizz/learn_algorithms_in_rust 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" "+beta-2025-01-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10d9d27ec08930221d3c299771203a4617cc4ff66c619e4a3aaedd473394e1a
[INFO] running `Command { std: "docker" "start" "-a" "e10d9d27ec08930221d3c299771203a4617cc4ff66c619e4a3aaedd473394e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10d9d27ec08930221d3c299771203a4617cc4ff66c619e4a3aaedd473394e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10d9d27ec08930221d3c299771203a4617cc4ff66c619e4a3aaedd473394e1a", kill_on_drop: false }`
[INFO] [stdout] e10d9d27ec08930221d3c299771203a4617cc4ff66c619e4a3aaedd473394e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f2239b2409d860a8e24b037adb6cab6d5c1ba3ce9ed576af84665d2e18c56fa
[INFO] running `Command { std: "docker" "start" "-a" "9f2239b2409d860a8e24b037adb6cab6d5c1ba3ce9ed576af84665d2e18c56fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_rust_basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mem::transmute_copy`
[INFO] [stdout]  --> src/graph.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fmt::Display, mem::transmute_copy};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `side`
[INFO] [stdout]   --> src/avl_tree.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let side = match self.balance_factor() {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_side`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]  --> src/array.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut n: T;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]  --> src/array.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |             n = *r;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `child_mut` is never used
[INFO] [stdout]   --> src/avl_tree.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T: Ord> AVLNode<T> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn child_mut(&mut self, side: Side) -> &mut Option<Box<AVLNode<T>>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "9f2239b2409d860a8e24b037adb6cab6d5c1ba3ce9ed576af84665d2e18c56fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2239b2409d860a8e24b037adb6cab6d5c1ba3ce9ed576af84665d2e18c56fa", kill_on_drop: false }`
[INFO] [stdout] 9f2239b2409d860a8e24b037adb6cab6d5c1ba3ce9ed576af84665d2e18c56fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44044fe7050eebbe5fb22edc401f1c8f48edc0a0e3a47209989d923303c8d1a4
[INFO] running `Command { std: "docker" "start" "-a" "44044fe7050eebbe5fb22edc401f1c8f48edc0a0e3a47209989d923303c8d1a4", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/my_rust_basics-d4329a09064e2dfa`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "44044fe7050eebbe5fb22edc401f1c8f48edc0a0e3a47209989d923303c8d1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44044fe7050eebbe5fb22edc401f1c8f48edc0a0e3a47209989d923303c8d1a4", kill_on_drop: false }`
[INFO] [stdout] 44044fe7050eebbe5fb22edc401f1c8f48edc0a0e3a47209989d923303c8d1a4