[INFO] fetching crate vtable_gen 1.1.0...
[INFO] checking vtable_gen-1.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate vtable_gen 1.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate vtable_gen 1.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtable_gen 1.1.0
[INFO] finished tweaking crates.io crate vtable_gen 1.1.0
[INFO] tweaked toml for crates.io crate vtable_gen 1.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eb4e0dae81ca2bfa7573e92ec3587110fd3d1507c219bba38ce18998ad8fc0e
[INFO] running `Command { std: "docker" "start" "-a" "9eb4e0dae81ca2bfa7573e92ec3587110fd3d1507c219bba38ce18998ad8fc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb4e0dae81ca2bfa7573e92ec3587110fd3d1507c219bba38ce18998ad8fc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb4e0dae81ca2bfa7573e92ec3587110fd3d1507c219bba38ce18998ad8fc0e", kill_on_drop: false }`
[INFO] [stdout] 9eb4e0dae81ca2bfa7573e92ec3587110fd3d1507c219bba38ce18998ad8fc0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 095cc6e6b61b71418a659496fafafeda5b5ce980f574166e6ff1f6578c1e40af
[INFO] running `Command { std: "docker" "start" "-a" "095cc6e6b61b71418a659496fafafeda5b5ce980f574166e6ff1f6578c1e40af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking syn v2.0.76
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking darling_core v0.20.10
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking darling v0.20.10
[INFO] [stderr]    Compiling vtable_gen v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_base_inheritance.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     extern "fastcall" fn foo2(this: &Foo_FooImpl, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_base_inheritance.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     extern "fastcall" fn foo2(this: &Foo_FooImpl, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_base_inheritance.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     extern "fastcall" fn bar(_this: &Bar_FooImpl) -> u32 {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/basic.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     extern "fastcall" fn func(this: &Foo, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/single_parent.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     extern "fastcall" fn func(this: &Foo, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/single_parent.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extern "fastcall" fn func(this: &Foo, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_single_parent.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     extern "fastcall" fn func(_this: &Foo<T>, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_single_parent.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extern "fastcall" fn func(_this: &Foo<T>, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     extern "fastcall" fn func(_this: &Foo<N, T>, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_base.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     extern "fastcall" fn foo2(this: &Foo_FooImpl, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/single_parent_multi_layer.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     extern "fastcall" fn func(this: &Foo, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/single_parent_multi_layer.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extern "fastcall" fn func(this: &Foo, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/single_parent_multi_layer.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     extern "fastcall" fn func(this: &Foo, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_single_parent_multi_layer.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     extern "fastcall" fn func(_this: &Foo<N, T>, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_single_parent_multi_layer.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extern "fastcall" fn func(_this: &Foo<O, U>, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/generic_single_parent_multi_layer.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     extern "fastcall" fn func(_this: &Foo<19, T>, a: u32, b: f32) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `Command { std: "docker" "inspect" "095cc6e6b61b71418a659496fafafeda5b5ce980f574166e6ff1f6578c1e40af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095cc6e6b61b71418a659496fafafeda5b5ce980f574166e6ff1f6578c1e40af", kill_on_drop: false }`
[INFO] [stdout] 095cc6e6b61b71418a659496fafafeda5b5ce980f574166e6ff1f6578c1e40af