[INFO] cloning repository https://github.com/takagiy/hminfer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takagiy/hminfer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakagiy%2Fhminfer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakagiy%2Fhminfer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 83242bb58cbb09bcd8e4679907f35ffe32b83ea7 [INFO] checking takagiy/hminfer against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakagiy%2Fhminfer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/takagiy/hminfer [INFO] finished tweaking git repo https://github.com/takagiy/hminfer [INFO] tweaked toml for git repo https://github.com/takagiy/hminfer written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/takagiy/hminfer on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/takagiy/hminfer 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fac1c1b8c77ecee92432725fb0c455e0332a9454906f07cc85562d52472b9a4 [INFO] running `Command { std: "docker" "start" "-a" "8fac1c1b8c77ecee92432725fb0c455e0332a9454906f07cc85562d52472b9a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fac1c1b8c77ecee92432725fb0c455e0332a9454906f07cc85562d52472b9a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fac1c1b8c77ecee92432725fb0c455e0332a9454906f07cc85562d52472b9a4", kill_on_drop: false }` [INFO] [stdout] 8fac1c1b8c77ecee92432725fb0c455e0332a9454906f07cc85562d52472b9a4 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73d1cdcba7d83fe62b5d94c3185be87c25b6f47d98aa48cdff305a145c60cb90 [INFO] running `Command { std: "docker" "start" "-a" "73d1cdcba7d83fe62b5d94c3185be87c25b6f47d98aa48cdff305a145c60cb90", kill_on_drop: false }` [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking hminfer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/main.rs:289:9 [INFO] [stdout] | [INFO] [stdout] 289 | level: usize, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/main.rs:290:9 [INFO] [stdout] | [INFO] [stdout] 290 | ctx: &'a InferContext<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `context` [INFO] [stdout] --> src/main.rs:291:9 [INFO] [stdout] | [INFO] [stdout] 291 | context: &mut HashMap>, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/main.rs:289:9 [INFO] [stdout] | [INFO] [stdout] 289 | level: usize, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/main.rs:290:9 [INFO] [stdout] | [INFO] [stdout] 290 | ctx: &'a InferContext<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `context` [INFO] [stdout] --> src/main.rs:291:9 [INFO] [stdout] | [INFO] [stdout] 291 | context: &mut HashMap>, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:296:22 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn base_var(&'a self) -> &RefCell> { [INFO] [stdout] | ^^ -------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 296 | pub fn base_var(&'a self) -> &'a RefCell> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:296:22 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn base_var(&'a self) -> &RefCell> { [INFO] [stdout] | ^^ -------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 296 | pub fn base_var(&'a self) -> &'a RefCell> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "73d1cdcba7d83fe62b5d94c3185be87c25b6f47d98aa48cdff305a145c60cb90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73d1cdcba7d83fe62b5d94c3185be87c25b6f47d98aa48cdff305a145c60cb90", kill_on_drop: false }` [INFO] [stdout] 73d1cdcba7d83fe62b5d94c3185be87c25b6f47d98aa48cdff305a145c60cb90