[INFO] fetching crate rqrr 0.7.1...
[INFO] checking rqrr-0.7.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate rqrr 0.7.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rqrr 0.7.1 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 rqrr 0.7.1
[INFO] finished tweaking crates.io crate rqrr 0.7.1
[INFO] tweaked toml for crates.io crate rqrr 0.7.1 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 167 packages to latest compatible versions
[INFO] [stderr]       Adding aligned-vec v0.5.0 (available: v0.6.1)
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[INFO] [stderr]       Adding cfg-expr v0.15.8 (available: v0.17.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (available: v0.8.0)
[INFO] [stderr]       Adding system-deps v6.2.2 (available: v7.0.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] 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] ca0bd33d6e864dc73e638c210651e10ceef35b0087c946ab2e3f600cd3fd7eda
[INFO] running `Command { std: "docker" "start" "-a" "ca0bd33d6e864dc73e638c210651e10ceef35b0087c946ab2e3f600cd3fd7eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0bd33d6e864dc73e638c210651e10ceef35b0087c946ab2e3f600cd3fd7eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0bd33d6e864dc73e638c210651e10ceef35b0087c946ab2e3f600cd3fd7eda", kill_on_drop: false }`
[INFO] [stdout] ca0bd33d6e864dc73e638c210651e10ceef35b0087c946ab2e3f600cd3fd7eda
[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] 8d64f4e790835308491a8985b74603f09832ddad340ea40247d767d91795988d
[INFO] running `Command { std: "docker" "start" "-a" "8d64f4e790835308491a8985b74603f09832ddad340ea40247d767d91795988d", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]     Checking rqrr v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DataStream` is never constructed
[INFO] [stdout]    --> src/decode.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct DataStream {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DataStream` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PolygonScoreData` is never constructed
[INFO] [stdout]   --> src/detect.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct PolygonScoreData {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PolygonScoreData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `caps` and `align` are never read
[INFO] [stdout]   --> src/identify/grid.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct SkewedGridLocation {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 19 |     pub caps: [CapStone; 3],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 20 |     pub align: Point,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SkewedGridLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataStream` is never constructed
[INFO] [stdout]    --> src/decode.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct DataStream {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DataStream` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PolygonScoreData` is never constructed
[INFO] [stdout]   --> src/detect.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct PolygonScoreData {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PolygonScoreData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `caps` and `align` are never read
[INFO] [stdout]   --> src/identify/grid.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct SkewedGridLocation {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 19 |     pub caps: [CapStone; 3],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 20 |     pub align: Point,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SkewedGridLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.33s
[INFO] running `Command { std: "docker" "inspect" "8d64f4e790835308491a8985b74603f09832ddad340ea40247d767d91795988d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d64f4e790835308491a8985b74603f09832ddad340ea40247d767d91795988d", kill_on_drop: false }`
[INFO] [stdout] 8d64f4e790835308491a8985b74603f09832ddad340ea40247d767d91795988d