[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) -> Vec> { [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> { [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) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn get_depth(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn children_names(&self) -> Vec { [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) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn span_map(&self) -> HashMap { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | pub fn depth_map(&self) -> HashMap { [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