[INFO] fetching crate mushin 0.5.0...
[INFO] testing mushin-0.5.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate mushin 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mushin 0.5.0
[INFO] finished tweaking crates.io crate mushin 0.5.0
[INFO] tweaked toml for crates.io crate mushin 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mushin 0.5.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayfire v3.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4b3e0f20dd4be1505f7e46861595020d4765079ab9de7405aa809a74b0e577
[INFO] running `Command { std: "docker" "start" "-a" "8f4b3e0f20dd4be1505f7e46861595020d4765079ab9de7405aa809a74b0e577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4b3e0f20dd4be1505f7e46861595020d4765079ab9de7405aa809a74b0e577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4b3e0f20dd4be1505f7e46861595020d4765079ab9de7405aa809a74b0e577", kill_on_drop: false }`
[INFO] [stdout] 8f4b3e0f20dd4be1505f7e46861595020d4765079ab9de7405aa809a74b0e577
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2432bab25b6b7ff2b8901569bcc514a47cd5667358b19148c636cc37438b1d9b
[INFO] running `Command { std: "docker" "start" "-a" "2432bab25b6b7ff2b8901569bcc514a47cd5667358b19148c636cc37438b1d9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling arrayfire v3.8.0
[INFO] [stderr]    Compiling mushin v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BinaryReverseFn` and `UnaryReverseFn`
[INFO] [stdout]  --> src/graph/tape.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::graph::node::{BinaryReverseFn, NodeId, UnaryReverseFn};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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/graph/node.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(crate) fn data(&self) -> Ref<Array<f32>> {
[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] 107 |     pub(crate) fn data(&self) -> Ref<'_, Array<f32>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:112:28
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub(crate) fn data_mut(&self) -> RefMut<Array<f32>> {
[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] 112 |     pub(crate) fn data_mut(&self) -> RefMut<'_, Array<f32>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub(crate) fn grad(&self) -> Ref<Array<f32>> {
[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] 117 |     pub(crate) fn grad(&self) -> Ref<'_, Array<f32>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub(crate) fn grad_mut(&self) -> RefMut<Array<f32>> {
[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] 122 |     pub(crate) fn grad_mut(&self) -> RefMut<'_, Array<f32>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/tape.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub(crate) fn nodes(&self) -> Values<NodeId, Rc<Node>> {
[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] 17 |     pub(crate) fn nodes(&self) -> Values<'_, NodeId, Rc<Node>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.45s
[INFO] running `Command { std: "docker" "inspect" "2432bab25b6b7ff2b8901569bcc514a47cd5667358b19148c636cc37438b1d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2432bab25b6b7ff2b8901569bcc514a47cd5667358b19148c636cc37438b1d9b", kill_on_drop: false }`
[INFO] [stdout] 2432bab25b6b7ff2b8901569bcc514a47cd5667358b19148c636cc37438b1d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5de166bbdcb9c7ede10944a4fa266268500174e697872ca7e9944f83fe58cdb8
[INFO] running `Command { std: "docker" "start" "-a" "5de166bbdcb9c7ede10944a4fa266268500174e697872ca7e9944f83fe58cdb8", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `BinaryReverseFn` and `UnaryReverseFn`
[INFO] [stdout]  --> src/graph/tape.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::graph::node::{BinaryReverseFn, NodeId, UnaryReverseFn};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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/graph/node.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(crate) fn data(&self) -> Ref<Array<f32>> {
[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] 107 |     pub(crate) fn data(&self) -> Ref<'_, Array<f32>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:112:28
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub(crate) fn data_mut(&self) -> RefMut<Array<f32>> {
[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] 112 |     pub(crate) fn data_mut(&self) -> RefMut<'_, Array<f32>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub(crate) fn grad(&self) -> Ref<Array<f32>> {
[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] 117 |     pub(crate) fn grad(&self) -> Ref<'_, Array<f32>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mushin v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub(crate) fn grad_mut(&self) -> RefMut<Array<f32>> {
[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] 122 |     pub(crate) fn grad_mut(&self) -> RefMut<'_, Array<f32>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/tape.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub(crate) fn nodes(&self) -> Values<NodeId, Rc<Node>> {
[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] 17 |     pub(crate) fn nodes(&self) -> Values<'_, NodeId, Rc<Node>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryReverseFn` and `UnaryReverseFn`
[INFO] [stdout]  --> src/graph/tape.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::graph::node::{BinaryReverseFn, NodeId, UnaryReverseFn};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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/graph/node.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(crate) fn data(&self) -> Ref<Array<f32>> {
[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] 107 |     pub(crate) fn data(&self) -> Ref<'_, Array<f32>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:112:28
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub(crate) fn data_mut(&self) -> RefMut<Array<f32>> {
[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] 112 |     pub(crate) fn data_mut(&self) -> RefMut<'_, Array<f32>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub(crate) fn grad(&self) -> Ref<Array<f32>> {
[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] 117 |     pub(crate) fn grad(&self) -> Ref<'_, Array<f32>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graph/node.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub(crate) fn grad_mut(&self) -> RefMut<Array<f32>> {
[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] 122 |     pub(crate) fn grad_mut(&self) -> RefMut<'_, Array<f32>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/tape.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub(crate) fn nodes(&self) -> Values<NodeId, Rc<Node>> {
[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] 17 |     pub(crate) fn nodes(&self) -> Values<'_, NodeId, Rc<Node>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustc2qdWwK/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libarrayfire-9d2cb4a730dcd587,libhalf-cc6be314b18dd970,liblibc-f0d996076a85b3d5,libnum-646da81910fe1752,libnum_rational-80973f0f94283f5d,libnum_iter-bb66d4f10809fc1d,libnum_complex-34423a5526ceab2b,libnum_bigint-33004093a3684f98,libnum_integer-92fd7760c9a59a23,libnum_traits-ca8a17926a2d9230,liblazy_static-b3603208c0de2608}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustc2qdWwK/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/arrayfire/lib" "-L" "/opt/arrayfire/lib64" "-L" "/usr/local/lib" "-L" "/usr/lib" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: af_free_host
[INFO] [stdout]           >>> referenced by util.rs:68 (src/core/util.rs:68)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(arrayfire::core::util::free_host::<i8>) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_get_last_error
[INFO] [stdout]           >>> referenced by error.rs:104 (src/core/error.rs:104)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(arrayfire::core::error::get_last_error) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_create_indexers
[INFO] [stdout]           >>> referenced by index.rs:186 (src/core/index.rs:186)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(<arrayfire::core::index::Indexer as core::default::Default>::default) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_retain_array
[INFO] [stdout]           >>> referenced by array.rs:694 (src/core/array.rs:694)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(<arrayfire::core::array::Array<f32> as core::clone::Clone>::clone) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           >>> referenced by array.rs:694 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:694)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.2.rcgu.o:(<arrayfire::core::array::Array<bool> as core::clone::Clone>::clone)
[INFO] [stdout]           >>> referenced by array.rs:694 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:694)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.2.rcgu.o:(<arrayfire::core::array::Array<f64> as core::clone::Clone>::clone)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_constant
[INFO] [stdout]           >>> referenced by data.rs:242 (src/core/data.rs:242)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(<f32 as arrayfire::core::data::ConstGenerator>::generate) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           >>> referenced by data.rs:242 (src/core/data.rs:242)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(<f64 as arrayfire::core::data::ConstGenerator>::generate) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_release_array
[INFO] [stdout]           >>> referenced by array.rs:710 (src/core/array.rs:710)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(<arrayfire::core::array::Array<f32> as core::ops::drop::Drop>::drop) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           >>> referenced by array.rs:710 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:710)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.2.rcgu.o:(<arrayfire::core::array::Array<bool> as core::ops::drop::Drop>::drop)
[INFO] [stdout]           >>> referenced by array.rs:710 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:710)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.2.rcgu.o:(<arrayfire::core::array::Array<f64> as core::ops::drop::Drop>::drop)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_release_indexers
[INFO] [stdout]           >>> referenced by index.rs:241 (src/core/index.rs:241)
[INFO] [stdout]           >>>               arrayfire-9d2cb4a730dcd587.arrayfire.a71530bb8fa7af31-cgu.0.rcgu.o:(<arrayfire::core::index::Indexer as core::ops::drop::Drop>::drop) in archive /opt/rustwide/target/debug/deps/libarrayfire-9d2cb4a730dcd587.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_add
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::add_helper::<f32, f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_div
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::div_helper::<f32, f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_mul
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::mul_helper::<f32, bool>)
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::mul_helper::<f32, f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_pow
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::pow_helper::<f32, f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_sub
[INFO] [stdout]           >>> referenced by arith.rs:407 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:407)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::sub_helper::<f32, f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_abs
[INFO] [stdout]           >>> referenced by arith.rs:129 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:129)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::abs::<f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_cos
[INFO] [stdout]           >>> referenced by arith.rs:129 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:129)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::cos::<f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_log
[INFO] [stdout]           >>> referenced by arith.rs:129 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:129)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::log::<f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_sin
[INFO] [stdout]           >>> referenced by arith.rs:129 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:129)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::sin::<f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_maxof
[INFO] [stdout]           >>> referenced by arith.rs:296 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:296)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::maxof::<f32, f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_gt
[INFO] [stdout]           >>> referenced by arith.rs:511 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:511)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::gt_helper::<f32, f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_le
[INFO] [stdout]           >>> referenced by arith.rs:511 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/arith.rs:511)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.1.rcgu.o:(arrayfire::core::arith::le_helper::<f32, f64>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: af_cast
[INFO] [stdout]           >>> referenced by array.rs:617 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:617)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/mushin-4ce864e76dab84d0.mushin.43071747e89a574a-cgu.2.rcgu.o:(<arrayfire::core::array::Array<f32>>::cast::<f32>)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: too many errors emitted, stopping now (use --error-limit=0 to see all errors)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mushin` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5de166bbdcb9c7ede10944a4fa266268500174e697872ca7e9944f83fe58cdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de166bbdcb9c7ede10944a4fa266268500174e697872ca7e9944f83fe58cdb8", kill_on_drop: false }`
[INFO] [stdout] 5de166bbdcb9c7ede10944a4fa266268500174e697872ca7e9944f83fe58cdb8
