[INFO] cloning repository https://github.com/Karl-Han/handcraft_datastructure4Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Karl-Han/handcraft_datastructure4Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2Fhandcraft_datastructure4Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2Fhandcraft_datastructure4Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2ef5a2110f57b8c82f668f06d5c0dd6aa83fa31
[INFO] checking Karl-Han/handcraft_datastructure4Rust/a2ef5a2110f57b8c82f668f06d5c0dd6aa83fa31 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2Fhandcraft_datastructure4Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Karl-Han/handcraft_datastructure4Rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Karl-Han/handcraft_datastructure4Rust
[INFO] finished tweaking git repo https://github.com/Karl-Han/handcraft_datastructure4Rust
[INFO] tweaked toml for git repo https://github.com/Karl-Han/handcraft_datastructure4Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Karl-Han/handcraft_datastructure4Rust 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eafdabef3733e7a48e5ad2890527efa07d12c16ea544875d015d76d966887a59
[INFO] running `Command { std: "docker" "start" "-a" "eafdabef3733e7a48e5ad2890527efa07d12c16ea544875d015d76d966887a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafdabef3733e7a48e5ad2890527efa07d12c16ea544875d015d76d966887a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafdabef3733e7a48e5ad2890527efa07d12c16ea544875d015d76d966887a59", kill_on_drop: false }`
[INFO] [stdout] eafdabef3733e7a48e5ad2890527efa07d12c16ea544875d015d76d966887a59
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca85f2bb6835800694827ae9fbe8e6deb850b5d90f6c452d55189664e0b240f3
[INFO] running `Command { std: "docker" "start" "-a" "ca85f2bb6835800694827ae9fbe8e6deb850b5d90f6c452d55189664e0b240f3", kill_on_drop: false }`
[INFO] [stderr]     Checking DataStruture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `DataStruture` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `data_struture`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DataStruture::linked_list::*`
[INFO] [stdout]  --> src/bin/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use DataStruture::linked_list::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `main`
[INFO] [stdout]  --> src/bin/main.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use DataStruture::linked_list::*;
[INFO] [stdout]   |                                  ^ consider adding a `main` function to `src/bin/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DataStruture::linked_list::*`
[INFO] [stdout]  --> src/bin/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use DataStruture::linked_list::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `DataStruture` (bin "main") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ca85f2bb6835800694827ae9fbe8e6deb850b5d90f6c452d55189664e0b240f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca85f2bb6835800694827ae9fbe8e6deb850b5d90f6c452d55189664e0b240f3", kill_on_drop: false }`
[INFO] [stdout] ca85f2bb6835800694827ae9fbe8e6deb850b5d90f6c452d55189664e0b240f3