[INFO] cloning repository https://github.com/DSWhiteHat/c_borrow_checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DSWhiteHat/c_borrow_checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSWhiteHat%2Fc_borrow_checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSWhiteHat%2Fc_borrow_checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 238f4ecb0984be87b97edcd6ea84168be80f58f3
[INFO] checking DSWhiteHat/c_borrow_checker against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDSWhiteHat%2Fc_borrow_checker" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DSWhiteHat/c_borrow_checker on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DSWhiteHat/c_borrow_checker
[INFO] finished tweaking git repo https://github.com/DSWhiteHat/c_borrow_checker
[INFO] tweaked toml for git repo https://github.com/DSWhiteHat/c_borrow_checker written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DSWhiteHat/c_borrow_checker 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lang-c v0.15.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d768a9409e15f8a84f4b8af899231f8db5c5e7c989e685771418a43e41644241
[INFO] running `Command { std: "docker" "start" "-a" "d768a9409e15f8a84f4b8af899231f8db5c5e7c989e685771418a43e41644241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d768a9409e15f8a84f4b8af899231f8db5c5e7c989e685771418a43e41644241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d768a9409e15f8a84f4b8af899231f8db5c5e7c989e685771418a43e41644241", kill_on_drop: false }`
[INFO] [stdout] d768a9409e15f8a84f4b8af899231f8db5c5e7c989e685771418a43e41644241
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ddbd8708cccbd43ca954003d1bf36b54cd69ddfc4ccb44117da02d084c4fbd8
[INFO] running `Command { std: "docker" "start" "-a" "0ddbd8708cccbd43ca954003d1bf36b54cd69ddfc4ccb44117da02d084c4fbd8", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking lang-c v0.15.0
[INFO] [stderr]     Checking regex v1.7.2
[INFO] [stderr]     Checking c_borrow_checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lang_c::loc`
[INFO] [stdout]  --> src/ast_traversal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lang_c::loc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lang_c::loc`
[INFO] [stdout]  --> src/ast_traversal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lang_c::loc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/borrow_checker.rs:796:61
[INFO] [stdout]     |
[INFO] [stdout] 796 |     pub fn announce_if_non_copy_behind_reference(&mut self, name: String, span: &span::Span) {
[INFO] [stdout]     |                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/borrow_checker.rs:796:61
[INFO] [stdout]     |
[INFO] [stdout] 796 |     pub fn announce_if_non_copy_behind_reference(&mut self, name: String, span: &span::Span) {
[INFO] [stdout]     |                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ownership` and `Reference` are never constructed
[INFO] [stdout]   --> src/borrow_checker.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum PrintType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 11 |     Ownership,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     Reference,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ownership` and `Reference` are never constructed
[INFO] [stdout]   --> src/borrow_checker.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum PrintType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 11 |     Ownership,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     Reference,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "0ddbd8708cccbd43ca954003d1bf36b54cd69ddfc4ccb44117da02d084c4fbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddbd8708cccbd43ca954003d1bf36b54cd69ddfc4ccb44117da02d084c4fbd8", kill_on_drop: false }`
[INFO] [stdout] 0ddbd8708cccbd43ca954003d1bf36b54cd69ddfc4ccb44117da02d084c4fbd8