[INFO] fetching crate splines 5.0.0...
[INFO] building splines-5.0.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate splines 5.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate splines 5.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate splines 5.0.0
[INFO] tweaked toml for crates.io crate splines 5.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate splines 5.0.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate splines 5.0.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 089d3daf9668e9f360dc4ad6322ff886b5f42d4568a979f57b981f4db0f070bb
[INFO] running `Command { std: "docker" "start" "-a" "089d3daf9668e9f360dc4ad6322ff886b5f42d4568a979f57b981f4db0f070bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "089d3daf9668e9f360dc4ad6322ff886b5f42d4568a979f57b981f4db0f070bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089d3daf9668e9f360dc4ad6322ff886b5f42d4568a979f57b981f4db0f070bb", kill_on_drop: false }`
[INFO] [stdout] 089d3daf9668e9f360dc4ad6322ff886b5f42d4568a979f57b981f4db0f070bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30f8f41e97dd8dc695ec650eede58b0dba28643666003fe966e61eeeca0ed74f
[INFO] running `Command { std: "docker" "start" "-a" "30f8f41e97dd8dc695ec650eede58b0dba28643666003fe966e61eeeca0ed74f", kill_on_drop: false }`
[INFO] [stderr]    Compiling splines v5.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/spline.rs:272:18
[INFO] [stdout]     |
[INFO] [stdout] 272 |   pub fn get_mut(&mut self, index: usize) -> Option<KeyMut<T, V>> {
[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] 272 |   pub fn get_mut(&mut self, index: usize) -> Option<KeyMut<'_, T, V>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "30f8f41e97dd8dc695ec650eede58b0dba28643666003fe966e61eeeca0ed74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f8f41e97dd8dc695ec650eede58b0dba28643666003fe966e61eeeca0ed74f", kill_on_drop: false }`
[INFO] [stdout] 30f8f41e97dd8dc695ec650eede58b0dba28643666003fe966e61eeeca0ed74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcaebd9ab6fcd909ddb32ab42c663f3f509a1a565ac29aaa5978e5d1f7122ce2
[INFO] running `Command { std: "docker" "start" "-a" "bcaebd9ab6fcd909ddb32ab42c663f3f509a1a565ac29aaa5978e5d1f7122ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/spline.rs:272:18
[INFO] [stdout]     |
[INFO] [stdout] 272 |   pub fn get_mut(&mut self, index: usize) -> Option<KeyMut<T, V>> {
[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] 272 |   pub fn get_mut(&mut self, index: usize) -> Option<KeyMut<'_, T, V>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling splines v5.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/spline.rs:272:18
[INFO] [stdout]     |
[INFO] [stdout] 272 |   pub fn get_mut(&mut self, index: usize) -> Option<KeyMut<T, V>> {
[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] 272 |   pub fn get_mut(&mut self, index: usize) -> Option<KeyMut<'_, T, V>> {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "bcaebd9ab6fcd909ddb32ab42c663f3f509a1a565ac29aaa5978e5d1f7122ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcaebd9ab6fcd909ddb32ab42c663f3f509a1a565ac29aaa5978e5d1f7122ce2", kill_on_drop: false }`
[INFO] [stdout] bcaebd9ab6fcd909ddb32ab42c663f3f509a1a565ac29aaa5978e5d1f7122ce2