[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 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2Fhandcraft_datastructure4Rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Karl-Han/handcraft_datastructure4Rust on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-6-tc2/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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4601858a8ec86ebc489d2fc8e3fa71358b09bf7e1df945f32dbaf74db4eb81c8
[INFO] running `Command { std: "docker" "start" "-a" "4601858a8ec86ebc489d2fc8e3fa71358b09bf7e1df945f32dbaf74db4eb81c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4601858a8ec86ebc489d2fc8e3fa71358b09bf7e1df945f32dbaf74db4eb81c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4601858a8ec86ebc489d2fc8e3fa71358b09bf7e1df945f32dbaf74db4eb81c8", kill_on_drop: false }`
[INFO] [stdout] 4601858a8ec86ebc489d2fc8e3fa71358b09bf7e1df945f32dbaf74db4eb81c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14aa852acb0de38a149b18a263457b3147689b1effe049d07714216ff2803da6
[INFO] running `Command { std: "docker" "start" "-a" "14aa852acb0de38a149b18a263457b3147689b1effe049d07714216ff2803da6", 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: 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] 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] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14aa852acb0de38a149b18a263457b3147689b1effe049d07714216ff2803da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14aa852acb0de38a149b18a263457b3147689b1effe049d07714216ff2803da6", kill_on_drop: false }`
[INFO] [stdout] 14aa852acb0de38a149b18a263457b3147689b1effe049d07714216ff2803da6
