[INFO] fetching crate libgitdit 0.5.0... [INFO] checking libgitdit-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate libgitdit 0.5.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate libgitdit 0.5.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 38 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding git2 v0.17.2 (latest: v0.18.3) [INFO] [stderr] Adding libgit2-sys v0.15.2+1.6.4 (latest: v0.16.2+1.7.2) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded git2 v0.17.2 [INFO] [stderr] Downloaded libgit2-sys v0.15.2+1.6.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6b050c98d5549680660f1199a44bf8f8d20ab51d05f59d782e62b9576e0ecba [INFO] running `Command { std: "docker" "start" "-a" "b6b050c98d5549680660f1199a44bf8f8d20ab51d05f59d782e62b9576e0ecba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6b050c98d5549680660f1199a44bf8f8d20ab51d05f59d782e62b9576e0ecba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6b050c98d5549680660f1199a44bf8f8d20ab51d05f59d782e62b9576e0ecba", kill_on_drop: false }` [INFO] [stdout] b6b050c98d5549680660f1199a44bf8f8d20ab51d05f59d782e62b9576e0ecba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38ce1e6cc12fc5d4877280a14d2e7307df4457894e45b5b3c9a9c3e5c5ddb011 [INFO] running `Command { std: "docker" "start" "-a" "38ce1e6cc12fc5d4877280a14d2e7307df4457894e45b5b3c9a9c3e5c5ddb011", kill_on_drop: false }` [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling jobserver v0.1.28 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling libz-sys v1.1.16 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Compiling libssh2-sys v0.3.0 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling libgit2-sys v0.15.2+1.6.4 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking git2 v0.17.2 [INFO] [stderr] Checking libgitdit v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `git2` is imported redundantly [INFO] [stdout] --> src/gc.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | use git2::{self, Reference}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate git2; [INFO] [stdout] | ------------------ the item `git2` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `git2` is imported redundantly [INFO] [stdout] --> src/issue.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | use git2::{self, Commit, Oid, Reference, References}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate git2; [INFO] [stdout] | ------------------ the item `git2` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `git2` is imported redundantly [INFO] [stdout] --> src/iter.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | use git2::{self, Repository}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate git2; [INFO] [stdout] | ------------------ the item `git2` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/message/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `git2` is imported redundantly [INFO] [stdout] --> src/repository.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | use git2::{self, Commit, Oid, Tree}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate git2; [INFO] [stdout] | ------------------ the item `git2` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RepositoryExt` is imported redundantly [INFO] [stdout] --> src/iter.rs:370:9 [INFO] [stdout] | [INFO] [stdout] 367 | use super::*; [INFO] [stdout] | -------- the item `RepositoryExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 370 | use repository::RepositoryExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/message/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Trailer` is imported redundantly [INFO] [stdout] --> src/trailer/accumulation.rs:247:19 [INFO] [stdout] | [INFO] [stdout] 246 | use super::*; [INFO] [stdout] | -------- the item `Trailer` is already imported here [INFO] [stdout] 247 | use trailer::{Trailer, TrailerValue}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TrailerValue` is imported redundantly [INFO] [stdout] --> src/trailer/accumulation.rs:247:28 [INFO] [stdout] | [INFO] [stdout] 246 | use super::*; [INFO] [stdout] | -------- the item `TrailerValue` is already imported here [INFO] [stdout] 247 | use trailer::{Trailer, TrailerValue}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `git2` is imported redundantly [INFO] [stdout] --> src/test_utils.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | use git2::{self, Repository}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate git2; [INFO] [stdout] | ------------------ the item `git2` is already imported here [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: 10 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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.61s [INFO] running `Command { std: "docker" "inspect" "38ce1e6cc12fc5d4877280a14d2e7307df4457894e45b5b3c9a9c3e5c5ddb011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38ce1e6cc12fc5d4877280a14d2e7307df4457894e45b5b3c9a9c3e5c5ddb011", kill_on_drop: false }` [INFO] [stdout] 38ce1e6cc12fc5d4877280a14d2e7307df4457894e45b5b3c9a9c3e5c5ddb011