[INFO] fetching crate ringhopper 0.1.3... [INFO] checking ringhopper-0.1.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ringhopper 0.1.3 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate ringhopper 0.1.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ringhopper 0.1.3 [INFO] finished tweaking crates.io crate ringhopper 0.1.3 [INFO] tweaked toml for crates.io crate ringhopper 0.1.3 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 40 packages to latest compatible versions [INFO] [stderr] Adding jpeg-decoder v0.2.6 (available: v0.3.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding tiff v0.7.4 (available: v0.9.1) [INFO] [stderr] Adding windows v0.43.0 (available: v0.58.0) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.42.2 (available: v0.52.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 753bcee307a8a6f73e1374fcd8ca928b4dcff512a008bc39cf9f98af5b6696ab [INFO] running `Command { std: "docker" "start" "-a" "753bcee307a8a6f73e1374fcd8ca928b4dcff512a008bc39cf9f98af5b6696ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "753bcee307a8a6f73e1374fcd8ca928b4dcff512a008bc39cf9f98af5b6696ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "753bcee307a8a6f73e1374fcd8ca928b4dcff512a008bc39cf9f98af5b6696ab", kill_on_drop: false }` [INFO] [stdout] 753bcee307a8a6f73e1374fcd8ca928b4dcff512a008bc39cf9f98af5b6696ab [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 490b926da5d8862250c724ab5f288c3984416f6eae407835bbd12f53277af99b [INFO] running `Command { std: "docker" "start" "-a" "490b926da5d8862250c724ab5f288c3984416f6eae407835bbd12f53277af99b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking texpresso v2.0.1 [INFO] [stderr] Checking jpeg-decoder v0.2.6 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking tiff v0.7.4 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling rat-in-a-tube-definitions v0.2.3 [INFO] [stderr] Compiling ringhopper-proc v0.1.3 [INFO] [stderr] Checking rat-in-a-tube v0.2.3 [INFO] [stderr] Checking ringhopper v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/types/tag/tests.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut vector_level_1_0 = match value_level_1_0.get_value() { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/types/tag/tests.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | let mut vector_level_1_1 = match block_level_1_1.field_at_index_mut(0).field { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/types/tag/tests.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | let mut vector_level_2_0 = match value_level_2_0.get_value() { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.29s [INFO] running `Command { std: "docker" "inspect" "490b926da5d8862250c724ab5f288c3984416f6eae407835bbd12f53277af99b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "490b926da5d8862250c724ab5f288c3984416f6eae407835bbd12f53277af99b", kill_on_drop: false }` [INFO] [stdout] 490b926da5d8862250c724ab5f288c3984416f6eae407835bbd12f53277af99b