[INFO] cloning repository https://github.com/Grzdaczek/uj-mazes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Grzdaczek/uj-mazes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrzdaczek%2Fuj-mazes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrzdaczek%2Fuj-mazes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f200239d27a561eb5db0c7499ff4a18db4aa13e2
[INFO] testing Grzdaczek/uj-mazes against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrzdaczek%2Fuj-mazes" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Grzdaczek/uj-mazes
[INFO] finished tweaking git repo https://github.com/Grzdaczek/uj-mazes
[INFO] tweaked toml for git repo https://github.com/Grzdaczek/uj-mazes written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Grzdaczek/uj-mazes on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Grzdaczek/uj-mazes 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded os_str_bytes v6.0.1
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded clap_derive v3.1.18
[INFO] [stderr]   Downloaded clap v3.1.18
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa080c9435f74d6c1dcea8b2df2504bbc0eeab4c7ef6af08fbdd3dbb73482fb4
[INFO] running `Command { std: "docker" "start" "-a" "fa080c9435f74d6c1dcea8b2df2504bbc0eeab4c7ef6af08fbdd3dbb73482fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa080c9435f74d6c1dcea8b2df2504bbc0eeab4c7ef6af08fbdd3dbb73482fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa080c9435f74d6c1dcea8b2df2504bbc0eeab4c7ef6af08fbdd3dbb73482fb4", kill_on_drop: false }`
[INFO] [stdout] fa080c9435f74d6c1dcea8b2df2504bbc0eeab4c7ef6af08fbdd3dbb73482fb4
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8954c9e47b23ce34e971e5ddbe0e246bb7e21472855c3fff1593d31b42b109
[INFO] running `Command { std: "docker" "start" "-a" "6b8954c9e47b23ce34e971e5ddbe0e246bb7e21472855c3fff1593d31b42b109", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling os_str_bytes v6.0.1
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling graph v1.1.2 (/opt/rustwide/workdir/graph)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> graph/src/graph.rs:242:16
[INFO] [stdout]     |
[INFO] [stdout] 242 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[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] 242 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout] 242 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> graph/src/graph.rs:273:16
[INFO] [stdout]     |
[INFO] [stdout] 273 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout]     |                ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout] 273 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/graph.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<N, E>> {
[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] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<'_, N, E>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<N, E>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here                ^^^^^^^^^^^^^ the same lifetime is hidden 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] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<'_, N, E>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn nodes(&self) -> NodeIterator<N, E> {
[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] 145 |     pub fn nodes(&self) -> NodeIterator<'_, N, E> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:149:18
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn edges(&self) -> EdgeIterator<N, E> {
[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] 149 |     pub fn edges(&self) -> EdgeIterator<'_, N, E> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/matrix.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<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] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]    Compiling mazes v1.1.3 (/opt/rustwide/workdir/mazes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "6b8954c9e47b23ce34e971e5ddbe0e246bb7e21472855c3fff1593d31b42b109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8954c9e47b23ce34e971e5ddbe0e246bb7e21472855c3fff1593d31b42b109", kill_on_drop: false }`
[INFO] [stdout] 6b8954c9e47b23ce34e971e5ddbe0e246bb7e21472855c3fff1593d31b42b109
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13f33a72883357400b25c8a59e0446b923421e7f01fbeabb5825b345aa8b46e2
[INFO] running `Command { std: "docker" "start" "-a" "13f33a72883357400b25c8a59e0446b923421e7f01fbeabb5825b345aa8b46e2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> graph/src/graph.rs:242:16
[INFO] [stdout]     |
[INFO] [stdout] 242 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[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] 242 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout] 242 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> graph/src/graph.rs:273:16
[INFO] [stdout]     |
[INFO] [stdout] 273 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout]     |                ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout] 273 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/graph.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<N, E>> {
[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] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<'_, N, E>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<N, E>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here                ^^^^^^^^^^^^^ the same lifetime is hidden 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] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<'_, N, E>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn nodes(&self) -> NodeIterator<N, E> {
[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] 145 |     pub fn nodes(&self) -> NodeIterator<'_, N, E> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:149:18
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn edges(&self) -> EdgeIterator<N, E> {
[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] 149 |     pub fn edges(&self) -> EdgeIterator<'_, N, E> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/matrix.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<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] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graph v1.1.2 (/opt/rustwide/workdir/graph)
[INFO] [stderr]    Compiling mazes v1.1.3 (/opt/rustwide/workdir/mazes)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> graph/src/graph.rs:242:16
[INFO] [stdout]     |
[INFO] [stdout] 242 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[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] 242 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout] 242 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> graph/src/graph.rs:273:16
[INFO] [stdout]     |
[INFO] [stdout] 273 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout]     |                ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stdout] 273 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/graph.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<N, E>> {
[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] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<'_, N, E>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<N, E>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here                ^^^^^^^^^^^^^ the same lifetime is hidden 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] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<'_, N, E>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn nodes(&self) -> NodeIterator<N, E> {
[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] 145 |     pub fn nodes(&self) -> NodeIterator<'_, N, E> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> graph/src/graph.rs:149:18
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn edges(&self) -> EdgeIterator<N, E> {
[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] 149 |     pub fn edges(&self) -> EdgeIterator<'_, N, E> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> graph/src/matrix.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<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] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<'_, T> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "13f33a72883357400b25c8a59e0446b923421e7f01fbeabb5825b345aa8b46e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f33a72883357400b25c8a59e0446b923421e7f01fbeabb5825b345aa8b46e2", kill_on_drop: false }`
[INFO] [stdout] 13f33a72883357400b25c8a59e0446b923421e7f01fbeabb5825b345aa8b46e2
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d5013be31ba917eb8603b564f43771c8cc5bcae6492e33014d05f29f7318c37
[INFO] running `Command { std: "docker" "start" "-a" "5d5013be31ba917eb8603b564f43771c8cc5bcae6492e33014d05f29f7318c37", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> graph/src/graph.rs:242:16
[INFO] [stderr]     |
[INFO] [stderr] 242 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr]     |                ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 242 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr] 242 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> graph/src/graph.rs:273:16
[INFO] [stderr]     |
[INFO] [stderr] 273 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr]     |                ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 273 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr] 273 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> graph/src/graph.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<N, E>> {
[INFO] [stderr]    |                 ^^^^^                          ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn node(&self, index: usize) -> Option<NodeRef<'_, N, E>> {
[INFO] [stderr]    |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/graph.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<N, E>> {
[INFO] [stderr]     |                 ^^^^^ the lifetime is elided here                ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn edge(&self, index_a: usize, index_b: usize) -> Option<EdgeRef<'_, N, E>> {
[INFO] [stderr]     |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/graph.rs:145:18
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn nodes(&self) -> NodeIterator<N, E> {
[INFO] [stderr]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn nodes(&self) -> NodeIterator<'_, N, E> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> graph/src/graph.rs:149:18
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn edges(&self) -> EdgeIterator<N, E> {
[INFO] [stderr]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn edges(&self) -> EdgeIterator<'_, N, E> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> graph/src/matrix.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<T> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn iter(&self) -> AdjacencyMatrixIterator<'_, T> {
[INFO] [stderr]    |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `graph` (lib) generated 7 warnings (run `cargo fix --lib -p graph` to apply 7 suggestions)
[INFO] [stderr] warning: `graph` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph-95904be01d100701)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test graph::tests::can_count_edges ... ok
[INFO] [stdout] test graph::tests::can_create ... ok
[INFO] [stdout] test graph::tests::can_count_nodes ... ok
[INFO] [stdout] test graph::tests::can_get_added_node ... ok
[INFO] [stdout] test graph::tests::can_get_added_edge ... ok
[INFO] [stdout] test graph::tests::can_iter_over_adj_edges ... ok
[INFO] [stdout] test graph::tests::can_iter_over_edges ... ok
[INFO] [stdout] test graph::tests::can_iter_over_nodes ... ok
[INFO] [stdout] test graph::tests::can_remove_added_edge ... ok
[INFO] [stdout] test graph::tests::can_remove_added_node ... ok
[INFO] [stdout] test matrix::tests::can_get_and_set ... ok
[INFO] [stdout] test matrix::tests::can_create ... ok
[INFO] [stdout] test matrix::tests::can_iter ... ok
[INFO] [stdout] test matrix::tests::can_push_default ... ok
[INFO] [stdout] test matrix::tests::can_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mazes-05a39df2cda8e05c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> graph/src/graph.rs:242:16
[INFO] [stderr]     |
[INFO] [stderr] 242 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr]     |                ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 242 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr] 242 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> graph/src/graph.rs:273:16
[INFO] [stderr]     |
[INFO] [stderr] 273 |     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr]     |                ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 273 -     inner: Box<(dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a)>,
[INFO] [stderr] 273 +     inner: Box<dyn Iterator<Item = EdgeRef<'a, N, E>> + 'a >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d5013be31ba917eb8603b564f43771c8cc5bcae6492e33014d05f29f7318c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5013be31ba917eb8603b564f43771c8cc5bcae6492e33014d05f29f7318c37", kill_on_drop: false }`
[INFO] [stdout] 5d5013be31ba917eb8603b564f43771c8cc5bcae6492e33014d05f29f7318c37
