[INFO] cloning repository https://github.com/wert007/slides-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wert007/slides-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwert007%2Fslides-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwert007%2Fslides-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc01f94be946d1737013605e1d9403451e55cfb1
[INFO] testing wert007/slides-lib against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwert007%2Fslides-lib" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wert007/slides-lib
[INFO] finished tweaking git repo https://github.com/wert007/slides-lib
[INFO] tweaked toml for git repo https://github.com/wert007/slides-lib written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wert007/slides-lib on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wert007/slides-lib 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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] 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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0539bcc192daa735b778aa67f7728f29da781d1f27089c96c476536f37612391
[INFO] running `Command { std: "docker" "start" "-a" "0539bcc192daa735b778aa67f7728f29da781d1f27089c96c476536f37612391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0539bcc192daa735b778aa67f7728f29da781d1f27089c96c476536f37612391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0539bcc192daa735b778aa67f7728f29da781d1f27089c96c476536f37612391", kill_on_drop: false }`
[INFO] [stdout] 0539bcc192daa735b778aa67f7728f29da781d1f27089c96c476536f37612391
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecaee74620e014a7fcb99c7e04a098c79008b5abe351adf6cdab84a6c896e9da
[INFO] running `Command { std: "docker" "start" "-a" "ecaee74620e014a7fcb99c7e04a098c79008b5abe351adf6cdab84a6c896e9da", 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] 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 thiserror v1.0.44
[INFO] [stderr]    Compiling htmlroller v0.1.0 (/opt/rustwide/workdir/htmlroller)
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> htmlroller/src/javascript.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<W> {
[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] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<'_, W> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling slides-core v0.1.0 (/opt/rustwide/workdir/slides-core)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> slides-core/src/lib.rs:225:23
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn create_context(&self) -> SlideContext {
[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] 225 |     fn create_context(&self) -> SlideContext<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> slides-core/src/elements.rs:475:35
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn name_or_generated_name(&self) -> Cow<str> {
[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] 475 |     pub fn name_or_generated_name(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.94s
[INFO] running `Command { std: "docker" "inspect" "ecaee74620e014a7fcb99c7e04a098c79008b5abe351adf6cdab84a6c896e9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaee74620e014a7fcb99c7e04a098c79008b5abe351adf6cdab84a6c896e9da", kill_on_drop: false }`
[INFO] [stdout] ecaee74620e014a7fcb99c7e04a098c79008b5abe351adf6cdab84a6c896e9da
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f445132d3c98d9e15971d9af73e68d5f5d33243e1fbdc9ae96519594f65daa
[INFO] running `Command { std: "docker" "start" "-a" "b8f445132d3c98d9e15971d9af73e68d5f5d33243e1fbdc9ae96519594f65daa", 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] 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> htmlroller/src/javascript.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<W> {
[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] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<'_, W> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling htmlroller v0.1.0 (/opt/rustwide/workdir/htmlroller)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> slides-core/src/lib.rs:225:23
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn create_context(&self) -> SlideContext {
[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] 225 |     fn create_context(&self) -> SlideContext<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slides-core v0.1.0 (/opt/rustwide/workdir/slides-core)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> slides-core/src/elements.rs:475:35
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn name_or_generated_name(&self) -> Cow<str> {
[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] 475 |     pub fn name_or_generated_name(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> htmlroller/src/javascript.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<W> {
[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] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<'_, W> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> slides-core/src/lib.rs:225:23
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn create_context(&self) -> SlideContext {
[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] 225 |     fn create_context(&self) -> SlideContext<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> slides-core/src/elements.rs:475:35
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn name_or_generated_name(&self) -> Cow<str> {
[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] 475 |     pub fn name_or_generated_name(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "b8f445132d3c98d9e15971d9af73e68d5f5d33243e1fbdc9ae96519594f65daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f445132d3c98d9e15971d9af73e68d5f5d33243e1fbdc9ae96519594f65daa", kill_on_drop: false }`
[INFO] [stdout] b8f445132d3c98d9e15971d9af73e68d5f5d33243e1fbdc9ae96519594f65daa
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 215524e85a69ede3d004a2e4bb658b9b8ecf10074805bc80a7a36925b1d46e05
[INFO] running `Command { std: "docker" "start" "-a" "215524e85a69ede3d004a2e4bb658b9b8ecf10074805bc80a7a36925b1d46e05", 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] 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> htmlroller/src/javascript.rs:57:29
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<W> {
[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] 57 |     pub fn declare_variable(&mut self, name: impl Into<String>) -> VariableWriter<'_, W> {
[INFO] [stderr]    |                                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `htmlroller` (lib) generated 1 warning
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> slides-core/src/lib.rs:225:23
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn create_context(&self) -> SlideContext {
[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] 225 |     fn create_context(&self) -> SlideContext<'_> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> slides-core/src/elements.rs:475:35
[INFO] [stderr]     |
[INFO] [stderr] 475 |     pub fn name_or_generated_name(&self) -> Cow<str> {
[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] 475 |     pub fn name_or_generated_name(&self) -> Cow<'_, str> {
[INFO] [stderr]     |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `slides-core` (lib) generated 2 warnings
[INFO] [stderr] warning: `slides-core` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `htmlroller` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/htmlroller-e5f6c99533682c68)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slides_core-28491b5695d8a70d)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test1 stdout ----
[INFO] [stdout] [slides-core/src/lib.rs:90:9] &p = Presentation {
[INFO] [stdout]     slides: [
[INFO] [stdout]         Slide {
[INFO] [stdout]             name: "hello_world",
[INFO] [stdout]             steps: [
[INFO] [stdout]                 Step {
[INFO] [stdout]                     name: Some(
[INFO] [stdout]                         "hello_back",
[INFO] [stdout]                     ),
[INFO] [stdout]                     index: 0,
[INFO] [stdout]                     parent_index: 0,
[INFO] [stdout]                     elements: [
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[INFO] [stdout]                                                     UnitUnary {
[INFO] [stdout]                                                         value: 5.0,
[INFO] [stdout]                                                         kind: Pixel,
[INFO] [stdout]                                                     },
[INFO] [stdout]                                                 ),
[INFO] [stdout]                                             ),
[INFO] [stdout]                                             is_visible: None,
[INFO] [stdout]                                             parent: None,
[INFO] [stdout]                                             transforms: TransformCollection {
[INFO] [stdout]                                                 transforms: [],
[INFO] [stdout]                                             },
[INFO] [stdout]                                             orientation: LeftBottom,
[INFO] [stdout]                                             hover: None,
[INFO] [stdout]                                             applied_styles: [],
[INFO] [stdout]                                         },
[INFO] [stdout]                                     },
[INFO] [stdout]                                 ),
[INFO] [stdout]                             ),
[INFO] [stdout]                             step: StepId {
[INFO] [stdout]                                 slide_index: 2,
[INFO] [stdout]                                 step_index: 0,
[INFO] [stdout]                             },
[INFO] [stdout]                         },
[INFO] [stdout]                     ],
[INFO] [stdout]                     parent_name: "goodbye",
[INFO] [stdout]                 },
[INFO] [stdout]             ],
[INFO] [stdout]             index: 2,
[INFO] [stdout]             is_visible: true,
[INFO] [stdout]             background: Some(
[INFO] [stdout]                 Background {
[INFO] [stdout]                     clip: None,
[INFO] [stdout]                     color: Some(
[INFO] [stdout]                         Color {
[INFO] [stdout]                             r: 81,
[INFO] [stdout]                             g: 81,
[INFO] [stdout]                             b: 81,
[INFO] [stdout]                             a: 255,
[INFO] [stdout]                         },
[INFO] [stdout]                     ),
[INFO] [stdout]                     image: None,
[INFO] [stderr] error: test failed, to rerun pass `-p slides-core --lib`
[INFO] [stdout]                     size: None,
[INFO] [stdout]                     repeat: None,
[INFO] [stdout]                     position: None,
[INFO] [stdout]                 },
[INFO] [stdout]             ),
[INFO] [stdout]             color: None,
[INFO] [stdout]             font: None,
[INFO] [stdout]             fontsize: None,
[INFO] [stdout]             padding: None,
[INFO] [stdout]             transition: None,
[INFO] [stdout]             border: None,
[INFO] [stdout]             filter: None,
[INFO] [stdout]             applied_styles: [],
[INFO] [stdout]             data: {},
[INFO] [stdout]         },
[INFO] [stdout]     ],
[INFO] [stdout]     flags: PresentationFlags {
[INFO] [stdout]         color_theme: Light,
[INFO] [stdout]         uses_youtube: false,
[INFO] [stdout]         code_highlighting: None,
[INFO] [stdout]     },
[INFO] [stdout]     styles: [],
[INFO] [stdout]     custom_filter: [],
[INFO] [stdout]     libraries: [],
[INFO] [stdout]     runtime_codeblocks: [],
[INFO] [stdout]     css_imports: [],
[INFO] [stdout]     referenced_files: [],
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test1' panicked at slides-core/src/lib.rs:91:25:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58b68f78d992 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58b68f78d992 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58b68f78d992 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x58b68f78d992 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x58b68f7b3163 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x58b68f7b3163 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x58b68f78a933 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58b68f78a933 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x58b68f78d7e2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x58b68f78eefc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x58b68f78ed52 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x58b68f756514 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x58b68f756514 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58b68f78f8db - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x58b68f78f8db - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x58b68f78f6aa - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x58b68f78de89 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x58b68f78f33d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x58b68f7b15d0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x58b68f7b19d6 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x58b68f71c2f9 - core::result::Result<T,E>::unwrap::hc098d713406c9cc7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x58b68f71c2f9 - slides_core::test::test1::h153fe9079a636ca4
[INFO] [stdout]                                at /opt/rustwide/workdir/slides-core/src/lib.rs:91:25
[INFO] [stdout]   22:     0x58b68f702b59 - slides_core::test::test1::{{closure}}::h8e3cd8e66a716dd0
[INFO] [stdout]                                at /opt/rustwide/workdir/slides-core/src/lib.rs:12:15
[INFO] [stdout]   23:     0x58b68f702b59 - core::ops::function::FnOnce::call_once::he39c89356b283061
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x58b68f75bc9b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x58b68f75bc9b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x58b68f75ae8e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x58b68f75ae8e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x58b68f75ae8e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x58b68f75ae8e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x58b68f75ae8e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x58b68f75ae8e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x58b68f75ae8e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x58b68f71ea04 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x58b68f71ea04 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x58b68f7223da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x58b68f7223da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x58b68f7223da - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x58b68f7223da - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x58b68f7223da - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x58b68f7223da - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x58b68f7223da - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x58b68f792837 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x58b68f792837 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x58b68f792837 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x79ae6a170aa4 - <unknown>
[INFO] [stdout]   46:     0x79ae6a1fda34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "215524e85a69ede3d004a2e4bb658b9b8ecf10074805bc80a7a36925b1d46e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215524e85a69ede3d004a2e4bb658b9b8ecf10074805bc80a7a36925b1d46e05", kill_on_drop: false }`
[INFO] [stdout] 215524e85a69ede3d004a2e4bb658b9b8ecf10074805bc80a7a36925b1d46e05
