[INFO] fetching crate vec_map 0.8.2... [INFO] checking vec_map-0.8.2 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422 [INFO] extracting crate vec_map 0.8.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate vec_map 0.8.2 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vec_map 0.8.2 [INFO] finished tweaking crates.io crate vec_map 0.8.2 [INFO] tweaked toml for crates.io crate vec_map 0.8.2 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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89e40908c6c8aa1b7ca126023f3ab19f4e55c715d7bee4bbe865fe5060ace81f [INFO] running `Command { std: "docker" "start" "-a" "89e40908c6c8aa1b7ca126023f3ab19f4e55c715d7bee4bbe865fe5060ace81f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89e40908c6c8aa1b7ca126023f3ab19f4e55c715d7bee4bbe865fe5060ace81f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89e40908c6c8aa1b7ca126023f3ab19f4e55c715d7bee4bbe865fe5060ace81f", kill_on_drop: false }` [INFO] [stdout] 89e40908c6c8aa1b7ca126023f3ab19f4e55c715d7bee4bbe865fe5060ace81f [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" "-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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25b65edfd1fbc8bfe0037ea066efae4a5ef5291e2f97e8026f684247ba36c1e6 [INFO] running `Command { std: "docker" "start" "-a" "25b65edfd1fbc8bfe0037ea066efae4a5ef5291e2f97e8026f684247ba36c1e6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking vec_map v0.8.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1010:34 [INFO] [stdout] | [INFO] [stdout] 1010 | fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1010 - fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) } [INFO] [stdout] 1010 + fn next(&mut self) -> Option<&'a V> { self.iter.next().map(|e| e.1) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1017:39 [INFO] [stdout] | [INFO] [stdout] 1017 | fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1017 - fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) } [INFO] [stdout] 1017 + fn next_back(&mut self) -> Option<&'a V> { self.iter.next_back().map(|e| e.1) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1023:34 [INFO] [stdout] | [INFO] [stdout] 1023 | fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1023 - fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) } [INFO] [stdout] 1023 + fn next(&mut self) -> Option<&'a mut V> { self.iter_mut.next().map(|e| e.1) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1010:34 [INFO] [stdout] | [INFO] [stdout] 1010 | fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1010 - fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) } [INFO] [stdout] 1010 + fn next(&mut self) -> Option<&'a V> { self.iter.next().map(|e| e.1) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1017:39 [INFO] [stdout] | [INFO] [stdout] 1017 | fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1017 - fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) } [INFO] [stdout] 1017 + fn next_back(&mut self) -> Option<&'a V> { self.iter.next_back().map(|e| e.1) } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:1023:34 [INFO] [stdout] | [INFO] [stdout] 1023 | fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1023 - fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) } [INFO] [stdout] 1023 + fn next(&mut self) -> Option<&'a mut V> { self.iter_mut.next().map(|e| e.1) } [INFO] [stdout] | [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 0.21s [INFO] running `Command { std: "docker" "inspect" "25b65edfd1fbc8bfe0037ea066efae4a5ef5291e2f97e8026f684247ba36c1e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25b65edfd1fbc8bfe0037ea066efae4a5ef5291e2f97e8026f684247ba36c1e6", kill_on_drop: false }` [INFO] [stdout] 25b65edfd1fbc8bfe0037ea066efae4a5ef5291e2f97e8026f684247ba36c1e6