[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#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2Fhandcraft_datastructure4Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Karl-Han/handcraft_datastructure4Rust on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-4-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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 372eccb6a3c7b2f690066a29fa4d6ec6a217669f07ab8ebb392f18b116774418
[INFO] running `Command { std: "docker" "start" "-a" "372eccb6a3c7b2f690066a29fa4d6ec6a217669f07ab8ebb392f18b116774418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372eccb6a3c7b2f690066a29fa4d6ec6a217669f07ab8ebb392f18b116774418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372eccb6a3c7b2f690066a29fa4d6ec6a217669f07ab8ebb392f18b116774418", kill_on_drop: false }`
[INFO] [stdout] 372eccb6a3c7b2f690066a29fa4d6ec6a217669f07ab8ebb392f18b116774418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa682b5982dd25d3d31bf9c05c593a6fbd6d1214f709377d0e298bddd0b2b8ac
[INFO] running `Command { std: "docker" "start" "-a" "aa682b5982dd25d3d31bf9c05c593a6fbd6d1214f709377d0e298bddd0b2b8ac", kill_on_drop: false }`
[INFO] [stderr]     Checking DataStruture v0.1.0 (/opt/rustwide/workdir)
[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 1 previous error
[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
[INFO] running `Command { std: "docker" "inspect" "aa682b5982dd25d3d31bf9c05c593a6fbd6d1214f709377d0e298bddd0b2b8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa682b5982dd25d3d31bf9c05c593a6fbd6d1214f709377d0e298bddd0b2b8ac", kill_on_drop: false }`
[INFO] [stdout] aa682b5982dd25d3d31bf9c05c593a6fbd6d1214f709377d0e298bddd0b2b8ac
[INFO] checking Karl-Han/handcraft_datastructure4Rust against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarl-Han%2Fhandcraft_datastructure4Rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Karl-Han/handcraft_datastructure4Rust on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "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-4-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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 622b68090128d44d2e74316ba9395c7b457d92abcb654f2aa17ec21f0cf37af5
[INFO] running `Command { std: "docker" "start" "-a" "622b68090128d44d2e74316ba9395c7b457d92abcb654f2aa17ec21f0cf37af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622b68090128d44d2e74316ba9395c7b457d92abcb654f2aa17ec21f0cf37af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622b68090128d44d2e74316ba9395c7b457d92abcb654f2aa17ec21f0cf37af5", kill_on_drop: false }`
[INFO] [stdout] 622b68090128d44d2e74316ba9395c7b457d92abcb654f2aa17ec21f0cf37af5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edec61e15292526d96fe169db586db32926a5acd12ff29baf041adeb43ff4ec6
[INFO] running `Command { std: "docker" "start" "-a" "edec61e15292526d96fe169db586db32926a5acd12ff29baf041adeb43ff4ec6", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "edec61e15292526d96fe169db586db32926a5acd12ff29baf041adeb43ff4ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edec61e15292526d96fe169db586db32926a5acd12ff29baf041adeb43ff4ec6", kill_on_drop: false }`
[INFO] [stdout] edec61e15292526d96fe169db586db32926a5acd12ff29baf041adeb43ff4ec6