[INFO] cloning repository https://github.com/lilydjwg/vim-foldtree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lilydjwg/vim-foldtree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilydjwg%2Fvim-foldtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilydjwg%2Fvim-foldtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb45821c17130779c0bae6e6a7b932bec992e8c6
[INFO] checking lilydjwg/vim-foldtree against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilydjwg%2Fvim-foldtree" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lilydjwg/vim-foldtree
[INFO] finished tweaking git repo https://github.com/lilydjwg/vim-foldtree
[INFO] tweaked toml for git repo https://github.com/lilydjwg/vim-foldtree written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lilydjwg/vim-foldtree on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lilydjwg/vim-foldtree 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba972059019e77b10991e4a9565eb8173753140f2e89952a225bccf593a1eaa
[INFO] running `Command { std: "docker" "start" "-a" "5ba972059019e77b10991e4a9565eb8173753140f2e89952a225bccf593a1eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba972059019e77b10991e4a9565eb8173753140f2e89952a225bccf593a1eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba972059019e77b10991e4a9565eb8173753140f2e89952a225bccf593a1eaa", kill_on_drop: false }`
[INFO] [stdout] 5ba972059019e77b10991e4a9565eb8173753140f2e89952a225bccf593a1eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e36c4db43631c16e0bd29984dbd8338b35310c8c53ffd2cdb1fd74c5f1f56bf
[INFO] running `Command { std: "docker" "start" "-a" "6e36c4db43631c16e0bd29984dbd8338b35310c8c53ffd2cdb1fd74c5f1f56bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking vim-foldtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |   IndentedText(u32),
[INFO] [stdout]    |   ------------ ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LineKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -   IndentedText(u32),
[INFO] [stdout] 11 +   IndentedText(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |   IndentedText(u32),
[INFO] [stdout]    |   ------------ ^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LineKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -   IndentedText(u32),
[INFO] [stdout] 11 +   IndentedText(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "6e36c4db43631c16e0bd29984dbd8338b35310c8c53ffd2cdb1fd74c5f1f56bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e36c4db43631c16e0bd29984dbd8338b35310c8c53ffd2cdb1fd74c5f1f56bf", kill_on_drop: false }`
[INFO] [stdout] 6e36c4db43631c16e0bd29984dbd8338b35310c8c53ffd2cdb1fd74c5f1f56bf