[INFO] cloning repository https://github.com/yousuf64/rustradix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yousuf64/rustradix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyousuf64%2Frustradix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyousuf64%2Frustradix'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyousuf64%2Frustradix: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/yousuf64/rustradix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yousuf64/rustradix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyousuf64%2Frustradix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyousuf64%2Frustradix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f15644656cb1380b8adb87fe75249e044bc8197c
[INFO] checking yousuf64/rustradix against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyousuf64%2Frustradix" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yousuf64/rustradix
[INFO] finished tweaking git repo https://github.com/yousuf64/rustradix
[INFO] tweaked toml for git repo https://github.com/yousuf64/rustradix written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yousuf64/rustradix on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yousuf64/rustradix 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2da66c60570a1727c1ca9d8f9dc80b31ae718408888ea891ebb69e99d45186f
[INFO] running `Command { std: "docker" "start" "-a" "b2da66c60570a1727c1ca9d8f9dc80b31ae718408888ea891ebb69e99d45186f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2da66c60570a1727c1ca9d8f9dc80b31ae718408888ea891ebb69e99d45186f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2da66c60570a1727c1ca9d8f9dc80b31ae718408888ea891ebb69e99d45186f", kill_on_drop: false }`
[INFO] [stdout] b2da66c60570a1727c1ca9d8f9dc80b31ae718408888ea891ebb69e99d45186f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425958faba715a67713c6f11a7a48979a77b1375d49614e3f62e9c5b98dea6df
[INFO] running `Command { std: "docker" "start" "-a" "425958faba715a67713c6f11a7a48979a77b1375d49614e3f62e9c5b98dea6df", kill_on_drop: false }`
[INFO] [stderr]     Checking rustradix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Tree<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find` is never used
[INFO] [stdout]   --> src/lib.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T> Tree<T> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 16 |     fn find(&self, mut key: String) -> Option<&T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 2 |     prefix: String,
[INFO] [stdout] 3 |     path: String,
[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 0.17s
[INFO] running `Command { std: "docker" "inspect" "425958faba715a67713c6f11a7a48979a77b1375d49614e3f62e9c5b98dea6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425958faba715a67713c6f11a7a48979a77b1375d49614e3f62e9c5b98dea6df", kill_on_drop: false }`
[INFO] [stdout] 425958faba715a67713c6f11a7a48979a77b1375d49614e3f62e9c5b98dea6df