[INFO] cloning repository https://github.com/michaelrauh/suffix-fold
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelrauh/suffix-fold" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrauh%2Fsuffix-fold", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrauh%2Fsuffix-fold'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fbb33288f69501f315b919aa3d84ca2f4a712a3
[INFO] checking michaelrauh/suffix-fold against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrauh%2Fsuffix-fold" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelrauh/suffix-fold on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelrauh/suffix-fold
[INFO] finished tweaking git repo https://github.com/michaelrauh/suffix-fold
[INFO] tweaked toml for git repo https://github.com/michaelrauh/suffix-fold written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelrauh/suffix-fold 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking michaelrauh/suffix-fold against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrauh%2Fsuffix-fold" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelrauh/suffix-fold on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelrauh/suffix-fold
[INFO] finished tweaking git repo https://github.com/michaelrauh/suffix-fold
[INFO] tweaked toml for git repo https://github.com/michaelrauh/suffix-fold written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelrauh/suffix-fold 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 395addcfada644033dcd3fa8343c70dcbc7777f7ad9a503fff1475de7f60634a
[INFO] running `Command { std: "docker" "start" "-a" "395addcfada644033dcd3fa8343c70dcbc7777f7ad9a503fff1475de7f60634a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "395addcfada644033dcd3fa8343c70dcbc7777f7ad9a503fff1475de7f60634a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395addcfada644033dcd3fa8343c70dcbc7777f7ad9a503fff1475de7f60634a", kill_on_drop: false }`
[INFO] [stdout] 395addcfada644033dcd3fa8343c70dcbc7777f7ad9a503fff1475de7f60634a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a7475c7d5ff947f29eae5f3f46878b0e393d9bde910bde417911a9a9991cb8f
[INFO] running `Command { std: "docker" "start" "-a" "6a7475c7d5ff947f29eae5f3f46878b0e393d9bde910bde417911a9a9991cb8f", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking suffix-fold v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `index_array` is never used
[INFO] [stdout]  --> src/rule.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn index_array(dims: Vec<usize>) -> Vec<Vec<usize>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `order_by_distance` is never used
[INFO] [stdout]  --> src/rule.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn order_by_distance(indices: Vec<Vec<usize>>) -> Vec<Vec<usize>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]  --> src/tree.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Tree {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tree.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Tree {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 14 |     fn default() -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn new(name: String) -> Tree {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn add_phrase(&mut self, phrase: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn get_depth(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn children_names(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn step_down(&self, name: String) -> Option<&Self> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn from_corpus(corpus: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn names_at_path(&self, path: Vec<String>) -> Option<Vec<String>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn span_map(&self) -> HashMap<String, usize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn depth_map(&self) -> HashMap<String, usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "6a7475c7d5ff947f29eae5f3f46878b0e393d9bde910bde417911a9a9991cb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7475c7d5ff947f29eae5f3f46878b0e393d9bde910bde417911a9a9991cb8f", kill_on_drop: false }`
[INFO] [stdout] 6a7475c7d5ff947f29eae5f3f46878b0e393d9bde910bde417911a9a9991cb8f
