[INFO] cloning repository https://github.com/adetaylor/autocxx-subclass-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adetaylor/autocxx-subclass-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadetaylor%2Fautocxx-subclass-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadetaylor%2Fautocxx-subclass-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d91e0059996f9e6466e2eaadb631733a6697a9f
[INFO] checking adetaylor/autocxx-subclass-demo against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadetaylor%2Fautocxx-subclass-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adetaylor/autocxx-subclass-demo on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adetaylor/autocxx-subclass-demo
[INFO] finished tweaking git repo https://github.com/adetaylor/autocxx-subclass-demo
[INFO] tweaked toml for git repo https://github.com/adetaylor/autocxx-subclass-demo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/adetaylor/autocxx-subclass-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.52
[INFO] [stderr]   Downloaded link-cplusplus v1.0.5
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.52
[INFO] [stderr]   Downloaded cxx v1.0.52
[INFO] [stderr]   Downloaded cxx-build v1.0.52
[INFO] [stderr]   Downloaded scratch v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f886f1176643e45b4c47c855ff84df2985d2976ef4f1d5b4ddfe614df2a8797a
[INFO] running `Command { std: "docker" "start" "-a" "f886f1176643e45b4c47c855ff84df2985d2976ef4f1d5b4ddfe614df2a8797a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f886f1176643e45b4c47c855ff84df2985d2976ef4f1d5b4ddfe614df2a8797a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f886f1176643e45b4c47c855ff84df2985d2976ef4f1d5b4ddfe614df2a8797a", kill_on_drop: false }`
[INFO] [stdout] f886f1176643e45b4c47c855ff84df2985d2976ef4f1d5b4ddfe614df2a8797a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e8de90d97936c446dcb14ef0eace0ee26e9183a2c41906c1d85735d04d7df85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e8de90d97936c446dcb14ef0eace0ee26e9183a2c41906c1d85735d04d7df85", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   proc-macro2 v1.0.28: span-locations
[INFO] [stderr]   syn v1.0.74: full
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.52
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.5
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cxx v1.0.52
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling cxx-build v1.0.52
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.52
[INFO] [stderr]    Compiling autocxx-subclass-demo v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: trait `WebContentsObserver_supers` should have an upper camel case name
[INFO] [stdout]    --> src/autogenerated.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub(crate) trait WebContentsObserver_supers {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WebContentsObserverSupers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A_supers` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | trait A_supers {
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper camel case: `ASupers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WebContentsObserver_supers` should have an upper camel case name
[INFO] [stdout]    --> src/autogenerated.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub(crate) trait WebContentsObserver_supers {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WebContentsObserverSupers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A_supers` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | trait A_supers {
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper camel case: `ASupers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `MyTestObserverCpp_make_unique`
[INFO] [stdout]   --> src/test.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn MyTestObserverCpp_make_unique(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `TriggerTestObserverA`
[INFO] [stdout]   --> src/test.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn TriggerTestObserverA(obs: Pin<&mut MyTestObserverCpp>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_unique`
[INFO] [stdout]   --> src/test.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn make_unique(peer: AutocxxSubclassHolder<MyTestObserver>) -> cxx::UniquePtr<ffi::MyTestObserverCpp> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/test.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.60s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling autocxx-subclass-demo v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.74
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stdout] warning: trait `WebContentsObserver_supers` should have an upper camel case name
[INFO] [stdout]    --> src/autogenerated.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub(crate) trait WebContentsObserver_supers {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WebContentsObserverSupers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A_supers` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | trait A_supers {
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper camel case: `ASupers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WebContentsObserver_supers` should have an upper camel case name
[INFO] [stdout]    --> src/autogenerated.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub(crate) trait WebContentsObserver_supers {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WebContentsObserverSupers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A_supers` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 | trait A_supers {
[INFO] [stdout]    |       ^^^^^^^^ help: convert the identifier to upper camel case: `ASupers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `MyTestObserverCpp_make_unique`
[INFO] [stdout]   --> src/test.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn MyTestObserverCpp_make_unique(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `TriggerTestObserverA`
[INFO] [stdout]   --> src/test.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn TriggerTestObserverA(obs: Pin<&mut MyTestObserverCpp>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_unique`
[INFO] [stdout]   --> src/test.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn make_unique(peer: AutocxxSubclassHolder<MyTestObserver>) -> cxx::UniquePtr<ffi::MyTestObserverCpp> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/test.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "3e8de90d97936c446dcb14ef0eace0ee26e9183a2c41906c1d85735d04d7df85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8de90d97936c446dcb14ef0eace0ee26e9183a2c41906c1d85735d04d7df85", kill_on_drop: false }`
[INFO] [stdout] 3e8de90d97936c446dcb14ef0eace0ee26e9183a2c41906c1d85735d04d7df85