[INFO] fetching crate ndarray_einsum_beta 0.7.0...
[INFO] checking ndarray_einsum_beta-0.7.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ndarray_einsum_beta 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ndarray_einsum_beta 0.7.0 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 ndarray_einsum_beta 0.7.0
[INFO] finished tweaking crates.io crate ndarray_einsum_beta 0.7.0
[INFO] tweaked toml for crates.io crate ndarray_einsum_beta 0.7.0 written to /workspace/builds/worker-5-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] [stderr]       Adding ndarray-rand v0.14.0 (available: v0.15.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6c00c7338631a713d50f92d87c4481f24b24ae577550c065e5d33cf65cf7e33f
[INFO] running `Command { std: "docker" "start" "-a" "6c00c7338631a713d50f92d87c4481f24b24ae577550c065e5d33cf65cf7e33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c00c7338631a713d50f92d87c4481f24b24ae577550c065e5d33cf65cf7e33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c00c7338631a713d50f92d87c4481f24b24ae577550c065e5d33cf65cf7e33f", kill_on_drop: false }`
[INFO] [stdout] 6c00c7338631a713d50f92d87c4481f24b24ae577550c065e5d33cf65cf7e33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9d7a14c2e33b0342396d706c05a5e6634818f29335a4029bf2f9d99f31c6ddd3
[INFO] running `Command { std: "docker" "start" "-a" "9d7a14c2e33b0342396d706c05a5e6634818f29335a4029bf2f9d99f31c6ddd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking ndarray_einsum_beta v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `orig_axis_list` is never read
[INFO] [stdout]    --> src/contractors/singleton_contractors.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct Summation {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 133 |     orig_axis_list: Vec<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Summation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `orig_axis_list` is never read
[INFO] [stdout]    --> src/contractors/singleton_contractors.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct Summation {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 133 |     orig_axis_list: Vec<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Summation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "9d7a14c2e33b0342396d706c05a5e6634818f29335a4029bf2f9d99f31c6ddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7a14c2e33b0342396d706c05a5e6634818f29335a4029bf2f9d99f31c6ddd3", kill_on_drop: false }`
[INFO] [stdout] 9d7a14c2e33b0342396d706c05a5e6634818f29335a4029bf2f9d99f31c6ddd3