[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] testing fabianpradod/taskmanager-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianpradod%2Ftaskmanager-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fabianpradod/taskmanager-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 296a19ab5804b70f1cc9d1814b1475ef46a8521493866a11d9acc8af676cf5a3
[INFO] running `Command { std: "docker" "start" "-a" "296a19ab5804b70f1cc9d1814b1475ef46a8521493866a11d9acc8af676cf5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "296a19ab5804b70f1cc9d1814b1475ef46a8521493866a11d9acc8af676cf5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296a19ab5804b70f1cc9d1814b1475ef46a8521493866a11d9acc8af676cf5a3", kill_on_drop: false }`
[INFO] [stdout] 296a19ab5804b70f1cc9d1814b1475ef46a8521493866a11d9acc8af676cf5a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] df2853b89f178405bd2a071bf8731e630ba85297982e643c8f4c9f672f443e0c
[INFO] running `Command { std: "docker" "start" "-a" "df2853b89f178405bd2a071bf8731e630ba85297982e643c8f4c9f672f443e0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 `Debug` and `Clone`, 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 0.55s
[INFO] running `Command { std: "docker" "inspect" "df2853b89f178405bd2a071bf8731e630ba85297982e643c8f4c9f672f443e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2853b89f178405bd2a071bf8731e630ba85297982e643c8f4c9f672f443e0c", kill_on_drop: false }`
[INFO] [stdout] df2853b89f178405bd2a071bf8731e630ba85297982e643c8f4c9f672f443e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 951464fb69fb4175aab6fd784ab6719c90627e2939f0760819c3f5afae360319
[INFO] running `Command { std: "docker" "start" "-a" "951464fb69fb4175aab6fd784ab6719c90627e2939f0760819c3f5afae360319", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 `Debug` and `Clone`, 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 `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "951464fb69fb4175aab6fd784ab6719c90627e2939f0760819c3f5afae360319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951464fb69fb4175aab6fd784ab6719c90627e2939f0760819c3f5afae360319", kill_on_drop: false }`
[INFO] [stdout] 951464fb69fb4175aab6fd784ab6719c90627e2939f0760819c3f5afae360319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 59a10005b8678b30ddcbb58fe51d9a05fb1efb3cdeee584e6a1aaeb84bcc675e
[INFO] running `Command { std: "docker" "start" "-a" "59a10005b8678b30ddcbb58fe51d9a05fb1efb3cdeee584e6a1aaeb84bcc675e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prio`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:43:34
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 43 |         self.queue.peek().map(|&(prio, id)| self.tasks[id].clone())
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_prio`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `description` is never read
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Task {
[INFO] [stderr]   |        ---- field in this struct
[INFO] [stderr] 6 |     id: usize,                  // Id of Task
[INFO] [stderr] 7 |     description: String,        // Description of Task
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Task` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `taskmanager-rust` (bin "taskmanager-rust" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/taskmanager_rust-eddbf8a608bf4b95)
[INFO] running `Command { std: "docker" "inspect" "59a10005b8678b30ddcbb58fe51d9a05fb1efb3cdeee584e6a1aaeb84bcc675e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a10005b8678b30ddcbb58fe51d9a05fb1efb3cdeee584e6a1aaeb84bcc675e", kill_on_drop: false }`
[INFO] [stdout] 59a10005b8678b30ddcbb58fe51d9a05fb1efb3cdeee584e6a1aaeb84bcc675e