[INFO] cloning repository https://github.com/jys9962/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jys9962/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjys9962%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjys9962%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e6cd0d33cb3f205add9c46b22325f8365071524
[INFO] testing jys9962/rust-study 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%2Fjys9962%2Frust-study" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jys9962/rust-study
[INFO] finished tweaking git repo https://github.com/jys9962/rust-study
[INFO] tweaked toml for git repo https://github.com/jys9962/rust-study written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jys9962/rust-study 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/jys9962/rust-study 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 80ebe1289bd1fab777bb29bfac63fb04ca1452fa42e535a8c96a4c47026c72be
[INFO] running `Command { std: "docker" "start" "-a" "80ebe1289bd1fab777bb29bfac63fb04ca1452fa42e535a8c96a4c47026c72be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80ebe1289bd1fab777bb29bfac63fb04ca1452fa42e535a8c96a4c47026c72be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ebe1289bd1fab777bb29bfac63fb04ca1452fa42e535a8c96a4c47026c72be", kill_on_drop: false }`
[INFO] [stdout] 80ebe1289bd1fab777bb29bfac63fb04ca1452fa42e535a8c96a4c47026c72be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 06df804929f566f56aec6c896e8e7bde794ed3aeb30ebf4c37f1859cbaa84ec9
[INFO] running `Command { std: "docker" "start" "-a" "06df804929f566f56aec6c896e8e7bde794ed3aeb30ebf4c37f1859cbaa84ec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ptr::hash`
[INFO] [stdout]  --> src/bin/hashmap.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ptr::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `a` in this scope
[INFO] [stdout]   --> src/bin/vector.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     a = list.select_nth_unstable(10);
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let a = list.select_nth_unstable(10);
[INFO] [stdout]    |     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `HashMap<_, _>`
[INFO] [stdout]  --> src/bin/hashmap.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut map;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     map = HashMap::new();
[INFO] [stdout]   |           -------------- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving `map` an explicit type, where the type for type parameter `K` is specified
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut map: HashMap<K, V>;
[INFO] [stdout]   |                +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-basic` (bin "hashmap") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-basic` (bin "vector") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "06df804929f566f56aec6c896e8e7bde794ed3aeb30ebf4c37f1859cbaa84ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06df804929f566f56aec6c896e8e7bde794ed3aeb30ebf4c37f1859cbaa84ec9", kill_on_drop: false }`
[INFO] [stdout] 06df804929f566f56aec6c896e8e7bde794ed3aeb30ebf4c37f1859cbaa84ec9