[INFO] fetching crate daggy2 0.8.2+deprecated...
[INFO] checking daggy2-0.8.2+deprecated against 1.95.0 for pr-155915
[INFO] extracting crate daggy2 0.8.2+deprecated into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate daggy2 0.8.2+deprecated
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate daggy2 0.8.2+deprecated
[INFO] tweaked toml for crates.io crate daggy2 0.8.2+deprecated written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate daggy2 0.8.2+deprecated on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate daggy2 0.8.2+deprecated 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d4ebcfa79c71b62caf093e65b010813f85be041a6374d0c0506d56fd44cd61f
[INFO] running `Command { std: "docker" "start" "-a" "1d4ebcfa79c71b62caf093e65b010813f85be041a6374d0c0506d56fd44cd61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d4ebcfa79c71b62caf093e65b010813f85be041a6374d0c0506d56fd44cd61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4ebcfa79c71b62caf093e65b010813f85be041a6374d0c0506d56fd44cd61f", kill_on_drop: false }`
[INFO] [stdout] 1d4ebcfa79c71b62caf093e65b010813f85be041a6374d0c0506d56fd44cd61f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a9ebc774d715a295967e65fcb4729f52043ab6f006f7ce560b53b5461089cd
[INFO] running `Command { std: "docker" "start" "-a" "d4a9ebc774d715a295967e65fcb4729f52043ab6f006f7ce560b53b5461089cd", kill_on_drop: false }`
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking petgraph v0.7.1
[INFO] [stderr]     Checking daggy2 v0.8.2+deprecated (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:527:22
[INFO] [stdout]     |
[INFO] [stdout] 527 |     pub fn raw_nodes(&self) -> RawNodes<N, Ix> {
[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] 527 |     pub fn raw_nodes(&self) -> RawNodes<'_, N, Ix> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:534:29
[INFO] [stdout]     |
[INFO] [stdout] 534 |     pub fn node_weights_mut(&mut self) -> NodeWeightsMut<N, Ix> {
[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] 534 |     pub fn node_weights_mut(&mut self) -> NodeWeightsMut<'_, N, Ix> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:549:22
[INFO] [stdout]     |
[INFO] [stdout] 549 |     pub fn raw_edges(&self) -> RawEdges<E, Ix> {
[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] 549 |     pub fn raw_edges(&self) -> RawEdges<'_, E, Ix> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:556:29
[INFO] [stdout]     |
[INFO] [stdout] 556 |     pub fn edge_weights_mut(&mut self) -> EdgeWeightsMut<E, Ix> {
[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] 556 |     pub fn edge_weights_mut(&mut self) -> EdgeWeightsMut<'_, E, Ix> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:527:22
[INFO] [stdout]     |
[INFO] [stdout] 527 |     pub fn raw_nodes(&self) -> RawNodes<N, Ix> {
[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] 527 |     pub fn raw_nodes(&self) -> RawNodes<'_, N, Ix> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:534:29
[INFO] [stdout]     |
[INFO] [stdout] 534 |     pub fn node_weights_mut(&mut self) -> NodeWeightsMut<N, Ix> {
[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] 534 |     pub fn node_weights_mut(&mut self) -> NodeWeightsMut<'_, N, Ix> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:549:22
[INFO] [stdout]     |
[INFO] [stdout] 549 |     pub fn raw_edges(&self) -> RawEdges<E, Ix> {
[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] 549 |     pub fn raw_edges(&self) -> RawEdges<'_, E, Ix> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:556:29
[INFO] [stdout]     |
[INFO] [stdout] 556 |     pub fn edge_weights_mut(&mut self) -> EdgeWeightsMut<E, Ix> {
[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] 556 |     pub fn edge_weights_mut(&mut self) -> EdgeWeightsMut<'_, E, Ix> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/add_edges.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `daggy2` (bench "add_edges") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4a9ebc774d715a295967e65fcb4729f52043ab6f006f7ce560b53b5461089cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a9ebc774d715a295967e65fcb4729f52043ab6f006f7ce560b53b5461089cd", kill_on_drop: false }`
[INFO] [stdout] d4a9ebc774d715a295967e65fcb4729f52043ab6f006f7ce560b53b5461089cd
