[INFO] cloning repository https://github.com/JungleTryne/rust_oop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JungleTryne/rust_oop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleTryne%2Frust_oop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleTryne%2Frust_oop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d82ae7b2ea1aafdd4e0c522b9391ff1a9acae72c
[INFO] building JungleTryne/rust_oop against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJungleTryne%2Frust_oop" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JungleTryne/rust_oop on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JungleTryne/rust_oop
[INFO] finished tweaking git repo https://github.com/JungleTryne/rust_oop
[INFO] tweaked toml for git repo https://github.com/JungleTryne/rust_oop written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JungleTryne/rust_oop 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d49f9ce7102aec72032825a548a7b98fa9563ed1b98fbd6aa2ec4ae7694a2fd9
[INFO] running `Command { std: "docker" "start" "-a" "d49f9ce7102aec72032825a548a7b98fa9563ed1b98fbd6aa2ec4ae7694a2fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d49f9ce7102aec72032825a548a7b98fa9563ed1b98fbd6aa2ec4ae7694a2fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49f9ce7102aec72032825a548a7b98fa9563ed1b98fbd6aa2ec4ae7694a2fd9", kill_on_drop: false }`
[INFO] [stdout] d49f9ce7102aec72032825a548a7b98fa9563ed1b98fbd6aa2ec4ae7694a2fd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629d8f8dc4ab2a291739286b9da40e501d5c99789aff3db0d8228dc5a2ac302f
[INFO] running `Command { std: "docker" "start" "-a" "629d8f8dc4ab2a291739286b9da40e501d5c99789aff3db0d8228dc5a2ac302f", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling rust_oop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |           #[allow(non_snake_case)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |           #[allow(non_upper_case_globals)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |           #[allow(non_snake_case)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |           #[allow(non_upper_case_globals)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Base_vtable` should have an upper case name
[INFO] [stdout]   --> src/virtual_table.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |                   static ref [<$class_name _vtable>]: VirtualTable = {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BASE_VTABLE`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Derived_vtable` should have an upper case name
[INFO] [stdout]   --> src/virtual_table.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |                   static ref [<$class_name _vtable>]: VirtualTable = {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `DERIVED_VTABLE`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "629d8f8dc4ab2a291739286b9da40e501d5c99789aff3db0d8228dc5a2ac302f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629d8f8dc4ab2a291739286b9da40e501d5c99789aff3db0d8228dc5a2ac302f", kill_on_drop: false }`
[INFO] [stdout] 629d8f8dc4ab2a291739286b9da40e501d5c99789aff3db0d8228dc5a2ac302f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b277018a3c5585eb7685959894554fb2a9966de7bfea3392b4b28caf5dd745e4
[INFO] running `Command { std: "docker" "start" "-a" "b277018a3c5585eb7685959894554fb2a9966de7bfea3392b4b28caf5dd745e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_oop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |           #[allow(non_snake_case)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |           #[allow(non_upper_case_globals)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |           #[allow(non_snake_case)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]   --> src/virtual_table.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |           #[allow(non_upper_case_globals)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `paste`
[INFO] [stdout]   --> src/virtual_table.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |           paste! {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Base_vtable` should have an upper case name
[INFO] [stdout]   --> src/virtual_table.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |                   static ref [<$class_name _vtable>]: VirtualTable = {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `BASE_VTABLE`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / virtual_class! {
[INFO] [stdout] 14 | |     Base {
[INFO] [stdout] 15 | |         only_base,
[INFO] [stdout] 16 | |         both
[INFO] [stdout] 17 | |     }
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `Derived_vtable` should have an upper case name
[INFO] [stdout]   --> src/virtual_table.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |                   static ref [<$class_name _vtable>]: VirtualTable = {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `DERIVED_VTABLE`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / virtual_class! {
[INFO] [stdout] 21 | |     Derived => Base {
[INFO] [stdout] 22 | |         only_derived,
[INFO] [stdout] 23 | |         both
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `generate_virtual_table` which comes from the expansion of the macro `virtual_class` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "b277018a3c5585eb7685959894554fb2a9966de7bfea3392b4b28caf5dd745e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b277018a3c5585eb7685959894554fb2a9966de7bfea3392b4b28caf5dd745e4", kill_on_drop: false }`
[INFO] [stdout] b277018a3c5585eb7685959894554fb2a9966de7bfea3392b4b28caf5dd745e4