[INFO] fetching crate ndarray_einsum_beta 0.7.0...
[INFO] checking ndarray_einsum_beta-0.7.0 against master#f42f19b6d3d785a74dbe57aa395b6c288437dd51 for pr-107123-1
[INFO] extracting crate ndarray_einsum_beta 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ndarray_einsum_beta 0.7.0 on toolchain f42f19b6d3d785a74dbe57aa395b6c288437dd51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.7
[INFO] [stderr]   Downloaded libm v0.2.7
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2924c4ce47c21c48357cf31996cfa88bfa61d8e4149d4270e765e74d54ca9b1e
[INFO] running `Command { std: "docker" "start" "-a" "2924c4ce47c21c48357cf31996cfa88bfa61d8e4149d4270e765e74d54ca9b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2924c4ce47c21c48357cf31996cfa88bfa61d8e4149d4270e765e74d54ca9b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2924c4ce47c21c48357cf31996cfa88bfa61d8e4149d4270e765e74d54ca9b1e", kill_on_drop: false }`
[INFO] [stdout] 2924c4ce47c21c48357cf31996cfa88bfa61d8e4149d4270e765e74d54ca9b1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+f42f19b6d3d785a74dbe57aa395b6c288437dd51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 193dd6b2c8b6e4d2b1fee07228e2eec874d8b31d8e8c147387de46f68100a7f5
[INFO] running `Command { std: "docker" "start" "-a" "193dd6b2c8b6e4d2b1fee07228e2eec874d8b31d8e8c147387de46f68100a7f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex v1.8.4
[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 [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "193dd6b2c8b6e4d2b1fee07228e2eec874d8b31d8e8c147387de46f68100a7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193dd6b2c8b6e4d2b1fee07228e2eec874d8b31d8e8c147387de46f68100a7f5", kill_on_drop: false }`
[INFO] [stdout] 193dd6b2c8b6e4d2b1fee07228e2eec874d8b31d8e8c147387de46f68100a7f5