[INFO] cloning repository https://github.com/rogithub/heap-sort-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rogithub/heap-sort-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ef448fd49152fb0ddf33ea0c89af0f02438ed72
[INFO] checking rogithub/heap-sort-rust against master#7bdae134cba57426d3c56b5de737a351762445e1 for pr-123794
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogithub/heap-sort-rust on toolchain 7bdae134cba57426d3c56b5de737a351762445e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7bdae134cba57426d3c56b5de737a351762445e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rogithub/heap-sort-rust
[INFO] finished tweaking git repo https://github.com/rogithub/heap-sort-rust
[INFO] tweaked toml for git repo https://github.com/rogithub/heap-sort-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rogithub/heap-sort-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" "+7bdae134cba57426d3c56b5de737a351762445e1" "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 rogithub/heap-sort-rust against try#f0a46ffcb8bbd220fe569642e5e175207d8e3fea for pr-123794
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogithub/heap-sort-rust on toolchain f0a46ffcb8bbd220fe569642e5e175207d8e3fea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rogithub/heap-sort-rust
[INFO] finished tweaking git repo https://github.com/rogithub/heap-sort-rust
[INFO] tweaked toml for git repo https://github.com/rogithub/heap-sort-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rogithub/heap-sort-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" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee9e2354afc870a6c482d19b655794a4b4b387282cc1aacecbd03d0734fbb43a
[INFO] running `Command { std: "docker" "start" "-a" "ee9e2354afc870a6c482d19b655794a4b4b387282cc1aacecbd03d0734fbb43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee9e2354afc870a6c482d19b655794a4b4b387282cc1aacecbd03d0734fbb43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9e2354afc870a6c482d19b655794a4b4b387282cc1aacecbd03d0734fbb43a", kill_on_drop: false }`
[INFO] [stdout] ee9e2354afc870a6c482d19b655794a4b4b387282cc1aacecbd03d0734fbb43a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdcb734fedde66f1421b23d39190335462c9840cdaeeef9231ffea76d270fae6
[INFO] running `Command { std: "docker" "start" "-a" "fdcb734fedde66f1421b23d39190335462c9840cdaeeef9231ffea76d270fae6", kill_on_drop: false }`
[INFO] [stderr]     Checking heap-sort-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `value`, `key`, `left`, and `right` are never read
[INFO] [stdout]  --> src/types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Node<TValue, TKey> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     value: TValue,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     key: TKey,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     left: Box<Option<Node<TValue, TKey>>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     right: Box<Option<Node<TValue, TKey>>>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<TValue, TKey> Node<TValue, TKey> {
[INFO] [stdout]    | ------------------------------------- associated function in this implementation
[INFO] [stdout] 11 |     fn new(key: TKey, value: TValue) -> Node<TValue, TKey> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/types.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let t = Node::new(1, "hola");
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `key`, `left`, and `right` are never read
[INFO] [stdout]  --> src/types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Node<TValue, TKey> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     value: TValue,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     key: TKey,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     left: Box<Option<Node<TValue, TKey>>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     right: Box<Option<Node<TValue, TKey>>>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "fdcb734fedde66f1421b23d39190335462c9840cdaeeef9231ffea76d270fae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdcb734fedde66f1421b23d39190335462c9840cdaeeef9231ffea76d270fae6", kill_on_drop: false }`
[INFO] [stdout] fdcb734fedde66f1421b23d39190335462c9840cdaeeef9231ffea76d270fae6