[INFO] fetching crate auto-diff 0.5.9...
[INFO] testing auto-diff-0.5.9 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate auto-diff 0.5.9 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate auto-diff 0.5.9
[INFO] finished tweaking crates.io crate auto-diff 0.5.9
[INFO] tweaked toml for crates.io crate auto-diff 0.5.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate auto-diff 0.5.9 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate auto-diff 0.5.9 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4da16bab2a30c9dc134ca53567afa9273cd30cf6cbea15a484e5d793f3c4705
[INFO] running `Command { std: "docker" "start" "-a" "d4da16bab2a30c9dc134ca53567afa9273cd30cf6cbea15a484e5d793f3c4705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4da16bab2a30c9dc134ca53567afa9273cd30cf6cbea15a484e5d793f3c4705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4da16bab2a30c9dc134ca53567afa9273cd30cf6cbea15a484e5d793f3c4705", kill_on_drop: false }`
[INFO] [stdout] d4da16bab2a30c9dc134ca53567afa9273cd30cf6cbea15a484e5d793f3c4705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49f8e371b3fb51bd813b20eceded02b46e95e19f8344a490dceab522385b8f58
[INFO] running `Command { std: "docker" "start" "-a" "49f8e371b3fb51bd813b20eceded02b46e95e19f8344a490dceab522385b8f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling lapack-src v0.8.0
[INFO] [stderr]    Compiling blas-src v0.8.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling blas-sys v0.7.1
[INFO] [stderr]    Compiling lapack-sys v0.14.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling blas v0.22.0
[INFO] [stderr]    Compiling lapack v0.19.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling auto-diff-macros v0.5.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tensor-rs v0.5.9
[INFO] [stderr]    Compiling auto-diff v0.5.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collection/generational_index.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter_key(&self) -> GenIndexIter<T> {
[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] 131 |     pub fn iter_key(&self) -> GenIndexIter<'_, T> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collection/generational_index.rs:142:27
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn new(index_ref: &GenIndex<T>) -> GenIndexIter<T> {
[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] 142 |     pub fn new(index_ref: &GenIndex<T>) -> GenIndexIter<'_, T> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter_data(&self) -> NodeIterator<TData> {
[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] 50 |     pub fn iter_data(&self) -> NodeIterator<'_, TData> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn iter_op(&self) -> NodeIterator<TOp> {
[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] 56 |     pub fn iter_op(&self) -> NodeIterator<'_, TOp> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter_op_given_input(&self, var: &TData) -> Result<NodeIterator<TOp>, &str> {
[INFO] [stdout]    |                                ^^^^^                         ^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                |                             |
[INFO] [stdout]    |                                |                             the same lifetime is hidden here
[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] 65 |     pub fn iter_op_given_input(&self, var: &TData) -> Result<NodeIterator<'_, TOp>, &str> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn iter_op_given_output(&self, var: &TData) -> Result<NodeIterator<TOp>, &str> {
[INFO] [stdout]    |                                 ^^^^^                         ^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |                             |
[INFO] [stdout]    |                                 |                             the same lifetime is hidden here
[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] 78 |     pub fn iter_op_given_output(&self, var: &TData) -> Result<NodeIterator<'_, TOp>, &str> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter_input_given_op(&self, func: &TOp) -> Result<NodeIterator<TData>, &str> {
[INFO] [stdout]    |                                ^^^^^                        ^^^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                |                            |
[INFO] [stdout]    |                                |                            the same lifetime is hidden here
[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] 91 |     pub fn iter_input_given_op(&self, func: &TOp) -> Result<NodeIterator<'_, TData>, &str> {
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collection/directed_graph.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn iter_output_given_op(&self, func: &TOp) -> Result<NodeIterator<TData>, &str> {
[INFO] [stdout]     |                                 ^^^^^                        ^^^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                                 |                            |
[INFO] [stdout]     |                                 |                            the same lifetime is hidden here
[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] 104 |     pub fn iter_output_given_op(&self, func: &TOp) -> Result<NodeIterator<'_, TData>, &str> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.82s
[INFO] running `Command { std: "docker" "inspect" "49f8e371b3fb51bd813b20eceded02b46e95e19f8344a490dceab522385b8f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f8e371b3fb51bd813b20eceded02b46e95e19f8344a490dceab522385b8f58", kill_on_drop: false }`
[INFO] [stdout] 49f8e371b3fb51bd813b20eceded02b46e95e19f8344a490dceab522385b8f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2f261ddacd24f391b33a17184a1ad07125ca333e4ff4c92ec58e425e561e892
[INFO] running `Command { std: "docker" "start" "-a" "f2f261ddacd24f391b33a17184a1ad07125ca333e4ff4c92ec58e425e561e892", kill_on_drop: false }`
[INFO] [stderr] warning: auto-diff v0.5.9 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-expand` which is missing a lib target
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling gethostname v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling iter-read v0.3.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collection/generational_index.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter_key(&self) -> GenIndexIter<T> {
[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] 131 |     pub fn iter_key(&self) -> GenIndexIter<'_, T> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collection/generational_index.rs:142:27
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn new(index_ref: &GenIndex<T>) -> GenIndexIter<T> {
[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] 142 |     pub fn new(index_ref: &GenIndex<T>) -> GenIndexIter<'_, T> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter_data(&self) -> NodeIterator<TData> {
[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] 50 |     pub fn iter_data(&self) -> NodeIterator<'_, TData> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn iter_op(&self) -> NodeIterator<TOp> {
[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] 56 |     pub fn iter_op(&self) -> NodeIterator<'_, TOp> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:65:32
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter_op_given_input(&self, var: &TData) -> Result<NodeIterator<TOp>, &str> {
[INFO] [stdout]    |                                ^^^^^                         ^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                |                             |
[INFO] [stdout]    |                                |                             the same lifetime is hidden here
[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] 65 |     pub fn iter_op_given_input(&self, var: &TData) -> Result<NodeIterator<'_, TOp>, &str> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:78:33
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn iter_op_given_output(&self, var: &TData) -> Result<NodeIterator<TOp>, &str> {
[INFO] [stdout]    |                                 ^^^^^                         ^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |                             |
[INFO] [stdout]    |                                 |                             the same lifetime is hidden here
[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] 78 |     pub fn iter_op_given_output(&self, var: &TData) -> Result<NodeIterator<'_, TOp>, &str> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/collection/directed_graph.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter_input_given_op(&self, func: &TOp) -> Result<NodeIterator<TData>, &str> {
[INFO] [stdout]    |                                ^^^^^                        ^^^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                |                            |
[INFO] [stdout]    |                                |                            the same lifetime is hidden here
[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] 91 |     pub fn iter_input_given_op(&self, func: &TOp) -> Result<NodeIterator<'_, TData>, &str> {
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collection/directed_graph.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn iter_output_given_op(&self, func: &TOp) -> Result<NodeIterator<TData>, &str> {
[INFO] [stdout]     |                                 ^^^^^                        ^^^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                                 |                            |
[INFO] [stdout]     |                                 |                            the same lifetime is hidden here
[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] 104 |     pub fn iter_output_given_op(&self, func: &TOp) -> Result<NodeIterator<'_, TData>, &str> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling serde-pickle v0.6.3
[INFO] [stderr]    Compiling tensorboard-proto v0.5.7
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling tensorboard-rs v0.5.9
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f2f261ddacd24f391b33a17184a1ad07125ca333e4ff4c92ec58e425e561e892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f261ddacd24f391b33a17184a1ad07125ca333e4ff4c92ec58e425e561e892", kill_on_drop: false }`
[INFO] [stdout] f2f261ddacd24f391b33a17184a1ad07125ca333e4ff4c92ec58e425e561e892
