[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust/hooks/pre-commit.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust/hooks/pre-receive.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust/info/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 13)
[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#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogithub%2Fheap-sort-rust" "/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/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rogithub/heap-sort-rust on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 669ce8bef81eddb4dc9fbc0c51f8a3ae2f72634a4ccbfacd274e28a0344be085
[INFO] running `Command { std: "docker" "start" "-a" "669ce8bef81eddb4dc9fbc0c51f8a3ae2f72634a4ccbfacd274e28a0344be085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "669ce8bef81eddb4dc9fbc0c51f8a3ae2f72634a4ccbfacd274e28a0344be085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669ce8bef81eddb4dc9fbc0c51f8a3ae2f72634a4ccbfacd274e28a0344be085", kill_on_drop: false }`
[INFO] [stdout] 669ce8bef81eddb4dc9fbc0c51f8a3ae2f72634a4ccbfacd274e28a0344be085
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d26604c429ac5087cbea11c27af3f0eb6605c919046b2d1e8b00579e0dbc948
[INFO] running `Command { std: "docker" "start" "-a" "2d26604c429ac5087cbea11c27af3f0eb6605c919046b2d1e8b00579e0dbc948", kill_on_drop: false }`
[INFO] [stderr]     Checking heap-sort-rust v0.1.0 (/opt/rustwide/workdir)
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "2d26604c429ac5087cbea11c27af3f0eb6605c919046b2d1e8b00579e0dbc948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d26604c429ac5087cbea11c27af3f0eb6605c919046b2d1e8b00579e0dbc948", kill_on_drop: false }`
[INFO] [stdout] 2d26604c429ac5087cbea11c27af3f0eb6605c919046b2d1e8b00579e0dbc948