[INFO] cloning repository https://github.com/fabianpradod/taskmanager-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianpradod/taskmanager-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/post-update.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust/hooks/post-update.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/fabianpradod/taskmanager-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianpradod/taskmanager-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/fabianpradod/taskmanager-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianpradod/taskmanager-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/fabianpradod/taskmanager-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianpradod/taskmanager-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab617b48c5dd5d0d80d7380ee392a336a4a4e739
[INFO] checking fabianpradod/taskmanager-rust against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fabianpradod/taskmanager-rust
[INFO] finished tweaking git repo https://github.com/fabianpradod/taskmanager-rust
[INFO] tweaked toml for git repo https://github.com/fabianpradod/taskmanager-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fabianpradod/taskmanager-rust on toolchain d14d202262d13df896b0c624b0cec6e4bfde631a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fabianpradod/taskmanager-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" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b83e3b4f6a69924f7a58530d68aacf1834e3f240a2c726f86dbd9310c6601b24
[INFO] running `Command { std: "docker" "start" "-a" "b83e3b4f6a69924f7a58530d68aacf1834e3f240a2c726f86dbd9310c6601b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b83e3b4f6a69924f7a58530d68aacf1834e3f240a2c726f86dbd9310c6601b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83e3b4f6a69924f7a58530d68aacf1834e3f240a2c726f86dbd9310c6601b24", kill_on_drop: false }`
[INFO] [stdout] b83e3b4f6a69924f7a58530d68aacf1834e3f240a2c726f86dbd9310c6601b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ec772d76c27daeb188cc9f558aa2bc02dd59773643b037d2a24da323d090ba
[INFO] running `Command { std: "docker" "start" "-a" "23ec772d76c27daeb188cc9f558aa2bc02dd59773643b037d2a24da323d090ba", kill_on_drop: false }`
[INFO] [stderr]     Checking taskmanager-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prio`
[INFO] [stdout]   --> src/main.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.queue.peek().map(|&(prio, id)| self.tasks[id].clone())
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prio`
[INFO] [stdout]   --> src/main.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.queue.peek().map(|&(prio, id)| self.tasks[id].clone())
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Task {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 6 |     id: usize,                  // Id of Task
[INFO] [stdout] 7 |     description: String,        // Description of Task
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Task` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Task {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 6 |     id: usize,                  // Id of Task
[INFO] [stdout] 7 |     description: String,        // Description of Task
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Task` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "23ec772d76c27daeb188cc9f558aa2bc02dd59773643b037d2a24da323d090ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ec772d76c27daeb188cc9f558aa2bc02dd59773643b037d2a24da323d090ba", kill_on_drop: false }`
[INFO] [stdout] 23ec772d76c27daeb188cc9f558aa2bc02dd59773643b037d2a24da323d090ba