[INFO] cloning repository https://github.com/maemon4095/memory-testing-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maemon4095/memory-testing-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Fmemory-testing-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Fmemory-testing-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9ae7e568e6ff6950738e998ad2459d082a81d7a
[INFO] testing maemon4095/memory-testing-utils against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Fmemory-testing-utils" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maemon4095/memory-testing-utils
[INFO] finished tweaking git repo https://github.com/maemon4095/memory-testing-utils
[INFO] tweaked toml for git repo https://github.com/maemon4095/memory-testing-utils written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maemon4095/memory-testing-utils on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maemon4095/memory-testing-utils 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41526ea697d878ed6ecc1314e5672696ccb23e59ce33d3bae9c1ef3436eb90c3
[INFO] running `Command { std: "docker" "start" "-a" "41526ea697d878ed6ecc1314e5672696ccb23e59ce33d3bae9c1ef3436eb90c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41526ea697d878ed6ecc1314e5672696ccb23e59ce33d3bae9c1ef3436eb90c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41526ea697d878ed6ecc1314e5672696ccb23e59ce33d3bae9c1ef3436eb90c3", kill_on_drop: false }`
[INFO] [stdout] 41526ea697d878ed6ecc1314e5672696ccb23e59ce33d3bae9c1ef3436eb90c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab7579a0d9f32d0fb6b650ee0277d4b71ae9da61f2c5620eae4e14f5de7e1e3
[INFO] running `Command { std: "docker" "start" "-a" "5ab7579a0d9f32d0fb6b650ee0277d4b71ae9da61f2c5620eae4e14f5de7e1e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memory-testing-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_marker.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn props(&self) -> Ref<T> {
[INFO] [stdout]    |                  ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn props(&self) -> Ref<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_marker.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn props_mut(&mut self) -> RefMut<T> {
[INFO] [stdout]    |                      ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn props_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn alloc(&self, props: T) -> DropMarker<T> {
[INFO] [stdout]    |                  ^^^^^               ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn alloc(&self, props: T) -> DropMarker<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn watch(&self, id: usize) -> Ref<DropMarkerState<T>> {
[INFO] [stdout]    |                  ^^^^^                ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn watch(&self, id: usize) -> Ref<'_, DropMarkerState<T>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<T> {
[INFO] [stdout]    |                      ^^^^^                --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn markers(&self) -> Ref<[DropMarkerState<T>]> {
[INFO] [stdout]    |                    ^^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn markers(&self) -> Ref<'_, [DropMarkerState<T>]> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "5ab7579a0d9f32d0fb6b650ee0277d4b71ae9da61f2c5620eae4e14f5de7e1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab7579a0d9f32d0fb6b650ee0277d4b71ae9da61f2c5620eae4e14f5de7e1e3", kill_on_drop: false }`
[INFO] [stdout] 5ab7579a0d9f32d0fb6b650ee0277d4b71ae9da61f2c5620eae4e14f5de7e1e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69480c52a540382a1a42af738048299d1ebc34074ca63fcc4d4a417c30b35700
[INFO] running `Command { std: "docker" "start" "-a" "69480c52a540382a1a42af738048299d1ebc34074ca63fcc4d4a417c30b35700", kill_on_drop: false }`
[INFO] [stderr]    Compiling memory-testing-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_marker.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn props(&self) -> Ref<T> {
[INFO] [stdout]    |                  ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn props(&self) -> Ref<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_marker.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn props_mut(&mut self) -> RefMut<T> {
[INFO] [stdout]    |                      ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn props_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn alloc(&self, props: T) -> DropMarker<T> {
[INFO] [stdout]    |                  ^^^^^               ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn alloc(&self, props: T) -> DropMarker<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn watch(&self, id: usize) -> Ref<DropMarkerState<T>> {
[INFO] [stdout]    |                  ^^^^^                ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn watch(&self, id: usize) -> Ref<'_, DropMarkerState<T>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<T> {
[INFO] [stdout]    |                      ^^^^^                --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn markers(&self) -> Ref<[DropMarkerState<T>]> {
[INFO] [stdout]    |                    ^^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn markers(&self) -> Ref<'_, [DropMarkerState<T>]> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_marker.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn props(&self) -> Ref<T> {
[INFO] [stdout]    |                  ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn props(&self) -> Ref<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_marker.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn props_mut(&mut self) -> RefMut<T> {
[INFO] [stdout]    |                      ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn props_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn alloc(&self, props: T) -> DropMarker<T> {
[INFO] [stdout]    |                  ^^^^^               ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn alloc(&self, props: T) -> DropMarker<'_, T> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn watch(&self, id: usize) -> Ref<DropMarkerState<T>> {
[INFO] [stdout]    |                  ^^^^^                ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn watch(&self, id: usize) -> Ref<'_, DropMarkerState<T>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<T> {
[INFO] [stdout]    |                      ^^^^^                --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/drop_watcher.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn markers(&self) -> Ref<[DropMarkerState<T>]> {
[INFO] [stdout]    |                    ^^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn markers(&self) -> Ref<'_, [DropMarkerState<T>]> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "69480c52a540382a1a42af738048299d1ebc34074ca63fcc4d4a417c30b35700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69480c52a540382a1a42af738048299d1ebc34074ca63fcc4d4a417c30b35700", kill_on_drop: false }`
[INFO] [stdout] 69480c52a540382a1a42af738048299d1ebc34074ca63fcc4d4a417c30b35700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c45264195d6239d3e82d8f4fb43e6a80327c7a1f8b4a5857b5979a5dc07cfe9
[INFO] running `Command { std: "docker" "start" "-a" "1c45264195d6239d3e82d8f4fb43e6a80327c7a1f8b4a5857b5979a5dc07cfe9", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/drop_marker.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn props(&self) -> Ref<T> {
[INFO] [stderr]    |                  ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn props(&self) -> Ref<'_, T> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/drop_marker.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn props_mut(&mut self) -> RefMut<T> {
[INFO] [stderr]    |                      ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn props_mut(&mut self) -> RefMut<'_, T> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/drop_watcher.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn alloc(&self, props: T) -> DropMarker<T> {
[INFO] [stderr]    |                  ^^^^^               ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn alloc(&self, props: T) -> DropMarker<'_, T> {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/drop_watcher.rs:44:18
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn watch(&self, id: usize) -> Ref<DropMarkerState<T>> {
[INFO] [stderr]    |                  ^^^^^                ----------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn watch(&self, id: usize) -> Ref<'_, DropMarkerState<T>> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/drop_watcher.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<T> {
[INFO] [stderr]    |                      ^^^^^                --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn props_mut(&self, id: usize) -> RefMut<'_, T> {
[INFO] [stderr]    |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/drop_watcher.rs:52:20
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn markers(&self) -> Ref<[DropMarkerState<T>]> {
[INFO] [stderr]    |                    ^^^^^     ------------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn markers(&self) -> Ref<'_, [DropMarkerState<T>]> {
[INFO] [stderr]    |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `memory-testing-utils` (lib) generated 6 warnings
[INFO] [stderr] warning: `memory-testing-utils` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memory_testing_utils-a40b91536e0ef514)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests memory_testing_utils
[INFO] [stdout] test drop_watcher::tests::notify_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "1c45264195d6239d3e82d8f4fb43e6a80327c7a1f8b4a5857b5979a5dc07cfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c45264195d6239d3e82d8f4fb43e6a80327c7a1f8b4a5857b5979a5dc07cfe9", kill_on_drop: false }`
[INFO] [stdout] 1c45264195d6239d3e82d8f4fb43e6a80327c7a1f8b4a5857b5979a5dc07cfe9
