[INFO] fetching crate libgitdit 0.5.0... [INFO] checking libgitdit-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate libgitdit 0.5.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate libgitdit 0.5.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libgitdit 0.5.0 [INFO] finished tweaking crates.io crate libgitdit 0.5.0 [INFO] tweaked toml for crates.io crate libgitdit 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 47 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding git2 v0.17.2 (available: v0.19.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding libgit2-sys v0.15.2+1.6.4 (available: v0.17.0+1.8.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 982fe403795019775db8b07f2b5936c85913c7363a2fe61242e8aa9ac3f392df [INFO] running `Command { std: "docker" "start" "-a" "982fe403795019775db8b07f2b5936c85913c7363a2fe61242e8aa9ac3f392df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "982fe403795019775db8b07f2b5936c85913c7363a2fe61242e8aa9ac3f392df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "982fe403795019775db8b07f2b5936c85913c7363a2fe61242e8aa9ac3f392df", kill_on_drop: false }` [INFO] [stdout] 982fe403795019775db8b07f2b5936c85913c7363a2fe61242e8aa9ac3f392df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ef579e4c7cd8835b9a0b563d5be7c5448b9611c873639e24c0e287753b6bc84 [INFO] running `Command { std: "docker" "start" "-a" "4ef579e4c7cd8835b9a0b563d5be7c5448b9611c873639e24c0e287753b6bc84", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Checking gimli v0.31.0 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Compiling cc v1.1.22 [INFO] [stderr] Compiling libz-sys v1.1.20 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Compiling libssh2-sys v0.3.0 [INFO] [stderr] Compiling libgit2-sys v0.15.2+1.6.4 [INFO] [stderr] Checking addr2line v0.24.1 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking git2 v0.17.2 [INFO] [stderr] Checking libgitdit v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/repository.rs:56:73 [INFO] [stdout] | [INFO] [stdout] 56 | fn issue_with_message<'a>(&'a self, message: &Commit<'a>) -> Result; [INFO] [stdout] | -- lifetime `'a` declared here ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/repository.rs:142:73 [INFO] [stdout] | [INFO] [stdout] 142 | fn issue_with_message<'a>(&'a self, message: &Commit<'a>) -> Result { [INFO] [stdout] | -- lifetime `'a` declared here ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/repository.rs:56:73 [INFO] [stdout] | [INFO] [stdout] 56 | fn issue_with_message<'a>(&'a self, message: &Commit<'a>) -> Result; [INFO] [stdout] | -- lifetime `'a` declared here ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/repository.rs:142:73 [INFO] [stdout] | [INFO] [stdout] 142 | fn issue_with_message<'a>(&'a self, message: &Commit<'a>) -> Result { [INFO] [stdout] | -- lifetime `'a` declared here ^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/issue.rs:252:17 [INFO] [stdout] | [INFO] [stdout] 252 | messages.revwalk.simplify_first_parent(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 252 | let _ = messages.revwalk.simplify_first_parent(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/issue.rs:253:17 [INFO] [stdout] | [INFO] [stdout] 253 | messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 253 | let _ = messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/iter.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | self.0.revwalk.reset(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = self.0.revwalk.reset(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repository.rs:197:17 [INFO] [stdout] | [INFO] [stdout] 197 | messages.revwalk.simplify_first_parent(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 197 | let _ = messages.revwalk.simplify_first_parent(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repository.rs:198:17 [INFO] [stdout] | [INFO] [stdout] 198 | messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 198 | let _ = messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/issue.rs:252:17 [INFO] [stdout] | [INFO] [stdout] 252 | messages.revwalk.simplify_first_parent(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 252 | let _ = messages.revwalk.simplify_first_parent(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/issue.rs:253:17 [INFO] [stdout] | [INFO] [stdout] 253 | messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 253 | let _ = messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/iter.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | self.0.revwalk.reset(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = self.0.revwalk.reset(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repository.rs:197:17 [INFO] [stdout] | [INFO] [stdout] 197 | messages.revwalk.simplify_first_parent(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 197 | let _ = messages.revwalk.simplify_first_parent(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/repository.rs:198:17 [INFO] [stdout] | [INFO] [stdout] 198 | messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 198 | let _ = messages.revwalk.set_sorting(git2::Sort::TOPOLOGICAL); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.19s [INFO] running `Command { std: "docker" "inspect" "4ef579e4c7cd8835b9a0b563d5be7c5448b9611c873639e24c0e287753b6bc84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ef579e4c7cd8835b9a0b563d5be7c5448b9611c873639e24c0e287753b6bc84", kill_on_drop: false }` [INFO] [stdout] 4ef579e4c7cd8835b9a0b563d5be7c5448b9611c873639e24c0e287753b6bc84