[INFO] cloning repository https://github.com/Neightro/abi_stable_readme_example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Neightro/abi_stable_readme_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeightro%2Fabi_stable_readme_example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeightro%2Fabi_stable_readme_example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1856e34393bd81414e3a14afc5b9d1ab7ddcdec9 [INFO] checking Neightro/abi_stable_readme_example against master#bbcc1691a4646a6d2ebb2189bdff5b878407fbe6 for pr-117351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeightro%2Fabi_stable_readme_example" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Neightro/abi_stable_readme_example on toolchain bbcc1691a4646a6d2ebb2189bdff5b878407fbe6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Neightro/abi_stable_readme_example [INFO] finished tweaking git repo https://github.com/Neightro/abi_stable_readme_example [INFO] tweaked toml for git repo https://github.com/Neightro/abi_stable_readme_example written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Neightro/abi_stable_readme_example 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" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded repr_offset v0.2.2 [INFO] [stderr] Downloaded abi_stable_shared v0.11.0 [INFO] [stderr] Downloaded tstr v0.2.3 [INFO] [stderr] Downloaded as_derive_utils v0.11.0 [INFO] [stderr] Downloaded tstr_proc_macros v0.2.2 [INFO] [stderr] Downloaded abi_stable_derive v0.11.0 [INFO] [stderr] Downloaded abi_stable v0.11.1 [INFO] [stderr] Downloaded core_extensions v1.5.3 [INFO] [stderr] Downloaded core_extensions_proc_macros v1.5.3 [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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd2b5f455fa4dee1a5720195b317fd6a5b71536980e2ada1a833cafa37892600 [INFO] running `Command { std: "docker" "start" "-a" "bd2b5f455fa4dee1a5720195b317fd6a5b71536980e2ada1a833cafa37892600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd2b5f455fa4dee1a5720195b317fd6a5b71536980e2ada1a833cafa37892600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd2b5f455fa4dee1a5720195b317fd6a5b71536980e2ada1a833cafa37892600", kill_on_drop: false }` [INFO] [stdout] bd2b5f455fa4dee1a5720195b317fd6a5b71536980e2ada1a833cafa37892600 [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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 61f7c326feeeeb6233af0fa4eb84509bf9f9b099139b56f03313b8552437322c [INFO] running `Command { std: "docker" "start" "-a" "61f7c326feeeeb6233af0fa4eb84509bf9f9b099139b56f03313b8552437322c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling core_extensions v1.5.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling serde v1.0.178 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling core_extensions_proc_macros v1.5.3 [INFO] [stderr] Compiling serde_derive v1.0.178 [INFO] [stderr] Compiling tstr_proc_macros v0.2.2 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling abi_stable_shared v0.11.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling typed-arena v2.0.2 [INFO] [stderr] Checking tstr v0.2.3 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking generational-arena v0.2.9 [INFO] [stderr] Checking repr_offset v0.2.2 [INFO] [stderr] Checking libloading v0.7.4 [INFO] [stderr] Checking const_panic v0.2.8 [INFO] [stderr] Compiling as_derive_utils v0.11.0 [INFO] [stderr] Compiling abi_stable_derive v0.11.0 [INFO] [stderr] Checking abi_stable v0.11.1 [INFO] [stderr] Checking interface v0.1.0 (/opt/rustwide/workdir/interface) [INFO] [stdout] warning: `extern` fn uses type `NonOwningPhantom<(TheInterface, RStr<'_>)>`, which is not FFI-safe [INFO] [stdout] --> interface/src/lib.rs:30:30 [INFO] [stdout] | [INFO] [stdout] 30 | pub new_boxed_interface: extern "C" fn() -> BoxedInterface<'static>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `NonOwningPhantom<(TheInterface, RStr<'_>)>`, which is not FFI-safe [INFO] [stdout] --> interface/src/lib.rs:30:30 [INFO] [stdout] | [INFO] [stdout] 30 | pub new_boxed_interface: extern "C" fn() -> BoxedInterface<'static>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking implementation v0.1.0 (/opt/rustwide/workdir/implementation) [INFO] [stdout] warning: unused import: `TheInterface` [INFO] [stdout] --> implementation/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | TheInterface, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TheInterface` [INFO] [stdout] --> implementation/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | TheInterface, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `erased_types::TypeInfo` [INFO] [stdout] --> implementation/src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | erased_types::TypeInfo, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `erased_types::TypeInfo` [INFO] [stdout] --> implementation/src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | erased_types::TypeInfo, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Appender` [INFO] [stdout] --> implementation/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Appender, AppenderBox, Appender_TO, BoxedInterface, ExampleLib, ExampleLib_Ref, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Appender` [INFO] [stdout] --> implementation/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Appender, AppenderBox, Appender_TO, BoxedInterface, ExampleLib, ExampleLib_Ref, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `NonOwningPhantom<(TheInterface, RStr<'_>)>`, which is not FFI-safe [INFO] [stdout] --> implementation/src/lib.rs:96:29 [INFO] [stdout] | [INFO] [stdout] 96 | fn new_boxed_interface() -> BoxedInterface<'static> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `NonOwningPhantom<(TheInterface, RStr<'_>)>`, which is not FFI-safe [INFO] [stdout] --> implementation/src/lib.rs:96:29 [INFO] [stdout] | [INFO] [stdout] 96 | fn new_boxed_interface() -> BoxedInterface<'static> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking application v0.1.0 (/opt/rustwide/workdir/application) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.43s [INFO] running `Command { std: "docker" "inspect" "61f7c326feeeeb6233af0fa4eb84509bf9f9b099139b56f03313b8552437322c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61f7c326feeeeb6233af0fa4eb84509bf9f9b099139b56f03313b8552437322c", kill_on_drop: false }` [INFO] [stdout] 61f7c326feeeeb6233af0fa4eb84509bf9f9b099139b56f03313b8552437322c [INFO] checking Neightro/abi_stable_readme_example against try#ac89e27721b9b4d1482ebc87f2f83b4e23d49d71 for pr-117351 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeightro%2Fabi_stable_readme_example" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Neightro/abi_stable_readme_example on toolchain ac89e27721b9b4d1482ebc87f2f83b4e23d49d71 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Neightro/abi_stable_readme_example [INFO] finished tweaking git repo https://github.com/Neightro/abi_stable_readme_example [INFO] tweaked toml for git repo https://github.com/Neightro/abi_stable_readme_example written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Neightro/abi_stable_readme_example 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" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19d1b91069033d9a4f5ab5a765a7120c1869394d9d74e7a99d0d9f5cf2c11a52 [INFO] running `Command { std: "docker" "start" "-a" "19d1b91069033d9a4f5ab5a765a7120c1869394d9d74e7a99d0d9f5cf2c11a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19d1b91069033d9a4f5ab5a765a7120c1869394d9d74e7a99d0d9f5cf2c11a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19d1b91069033d9a4f5ab5a765a7120c1869394d9d74e7a99d0d9f5cf2c11a52", kill_on_drop: false }` [INFO] [stdout] 19d1b91069033d9a4f5ab5a765a7120c1869394d9d74e7a99d0d9f5cf2c11a52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ac89e27721b9b4d1482ebc87f2f83b4e23d49d71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81db0e124b51288ced3d67e72124d717c33473082370374763c248f7c40b2080 [INFO] running `Command { std: "docker" "start" "-a" "81db0e124b51288ced3d67e72124d717c33473082370374763c248f7c40b2080", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.178 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling core_extensions v1.5.3 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling core_extensions_proc_macros v1.5.3 [INFO] [stderr] Compiling tstr_proc_macros v0.2.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling serde_derive v1.0.178 [INFO] [stderr] Compiling abi_stable_shared v0.11.0 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling typed-arena v2.0.2 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking tstr v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking repr_offset v0.2.2 [INFO] [stderr] Checking libloading v0.7.4 [INFO] [stderr] Checking generational-arena v0.2.9 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking const_panic v0.2.8 [INFO] [stdout] error[E0277]: the size for values of type `S` cannot be known at compilation time [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/const_panic-0.2.8/src/fmt.rs:154:24 [INFO] [stdout] | [INFO] [stdout] 153 | pub struct IsPanicFmt { [INFO] [stdout] | - this type parameter needs to be `Sized` [INFO] [stdout] 154 | self_: PhantomData S>, [INFO] [stdout] | ^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = note: the return type of a function must have a statically known size [INFO] [stdout] help: consider removing the `?Sized` bound to make the type parameter `Sized` [INFO] [stdout] | [INFO] [stdout] 153 - pub struct IsPanicFmt { [INFO] [stdout] 153 + pub struct IsPanicFmt { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `T` cannot be known at compilation time [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/const_panic-0.2.8/src/fmt.rs:155:23 [INFO] [stdout] | [INFO] [stdout] 153 | pub struct IsPanicFmt { [INFO] [stdout] | - this type parameter needs to be `Sized` [INFO] [stdout] 154 | self_: PhantomData S>, [INFO] [stdout] 155 | this: PhantomData T>, [INFO] [stdout] | ^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = note: the return type of a function must have a statically known size [INFO] [stdout] help: consider removing the `?Sized` bound to make the type parameter `Sized` [INFO] [stdout] | [INFO] [stdout] 153 - pub struct IsPanicFmt { [INFO] [stdout] 153 + pub struct IsPanicFmt { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `const_panic` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "81db0e124b51288ced3d67e72124d717c33473082370374763c248f7c40b2080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81db0e124b51288ced3d67e72124d717c33473082370374763c248f7c40b2080", kill_on_drop: false }` [INFO] [stdout] 81db0e124b51288ced3d67e72124d717c33473082370374763c248f7c40b2080