[INFO] cloning repository https://github.com/oracleofnj/einsum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oracleofnj/einsum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foracleofnj%2Feinsum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foracleofnj%2Feinsum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0d43e882f4e9ec1116517b92b0aaf73b07b385e
[INFO] checking oracleofnj/einsum against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foracleofnj%2Feinsum" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oracleofnj/einsum
[INFO] finished tweaking git repo https://github.com/oracleofnj/einsum
[INFO] tweaked toml for git repo https://github.com/oracleofnj/einsum written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oracleofnj/einsum on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oracleofnj/einsum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1fa49ba3278fa851575a43037fe82128f5c88415f8445b2e88810f28d8f77c9
[INFO] running `Command { std: "docker" "start" "-a" "b1fa49ba3278fa851575a43037fe82128f5c88415f8445b2e88810f28d8f77c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1fa49ba3278fa851575a43037fe82128f5c88415f8445b2e88810f28d8f77c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fa49ba3278fa851575a43037fe82128f5c88415f8445b2e88810f28d8f77c9", kill_on_drop: false }`
[INFO] [stdout] b1fa49ba3278fa851575a43037fe82128f5c88415f8445b2e88810f28d8f77c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e073d73cd10cfefc064a33b157c4bc79a226e0f49885a928adc0383a0bbba5
[INFO] running `Command { std: "docker" "start" "-a" "b2e073d73cd10cfefc064a33b157c4bc79a226e0f49885a928adc0383a0bbba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking ndarray v0.15.1
[INFO] [stderr]     Checking rand_distr v0.4.0
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:188:22
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn into_dyn_view(&self) -> ArrayView<A, IxDyn>;
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn into_dyn_view(&self) -> ArrayView<'_, A, IxDyn>;
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn into_dyn_view(&self) -> ArrayView<A, IxDyn> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn into_dyn_view(&self) -> ArrayView<'_, A, IxDyn> {
[INFO] [stdout]     |                                          +++
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:188:22
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn into_dyn_view(&self) -> ArrayView<A, IxDyn>;
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn into_dyn_view(&self) -> ArrayView<'_, A, IxDyn>;
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn into_dyn_view(&self) -> ArrayView<A, IxDyn> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn into_dyn_view(&self) -> ArrayView<'_, A, IxDyn> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> benches/bench.rs:79:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |     b.iter(|| (&m1 * &m2));
[INFO] [stdout]    |               ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     b.iter(|| (&m1 * &m2));
[INFO] [stdout] 79 +     b.iter(|| &m1 * &m2);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> benches/bench.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 |     b.iter(|| (&m1 * &m2.t()));
[INFO] [stdout]    |               ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -     b.iter(|| (&m1 * &m2.t()));
[INFO] [stdout] 87 +     b.iter(|| &m1 * &m2.t());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "b2e073d73cd10cfefc064a33b157c4bc79a226e0f49885a928adc0383a0bbba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e073d73cd10cfefc064a33b157c4bc79a226e0f49885a928adc0383a0bbba5", kill_on_drop: false }`
[INFO] [stdout] b2e073d73cd10cfefc064a33b157c4bc79a226e0f49885a928adc0383a0bbba5
