[INFO] crate solana_libra_compiler 0.0.1-sol4 is already in cache [INFO] checking solana_libra_compiler-0.0.1-sol4 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350 [INFO] extracting crate solana_libra_compiler 0.0.1-sol4 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate solana_libra_compiler 0.0.1-sol4 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate solana_libra_compiler 0.0.1-sol4 [INFO] finished tweaking crates.io crate solana_libra_compiler 0.0.1-sol4 [INFO] tweaked toml for crates.io crate solana_libra_compiler 0.0.1-sol4 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate solana_libra_compiler 0.0.1-sol4 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 55b95e6d22a65dc1cc630d55b006eeb66f589bc81e035776ff6850ebd063b268 [INFO] running `"docker" "start" "-a" "55b95e6d22a65dc1cc630d55b006eeb66f589bc81e035776ff6850ebd063b268"` [INFO] [stderr] Compiling subtle v2.2.1 [INFO] [stderr] Compiling memsec v0.5.6 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking slog-scope v4.2.0 [INFO] [stderr] Checking rand04 v0.1.1 [INFO] [stderr] Checking pairing v0.14.2 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling solana_libra_crypto-derive v0.0.1-sol4 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling proptest-derive v0.1.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] error: Fallback to `!` may introduce undefined behavior [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/derive.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | error::uninhabited_enum_variants_uninhabited(ctx)?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the type parameter T here was inferred to `!` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/derive.rs:378:9 [INFO] [stderr] | [INFO] [stderr] 378 | error::uninhabited_enum_variants_uninhabited(ctx)?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] note: (type parameter defined here) [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/error.rs:224:23 [INFO] [stderr] | [INFO] [stderr] 224 | pub fn $error(ctx: Ctx) -> DeriveResult { [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 294 | / fatal!( [INFO] [stderr] 295 | | uninhabited_enum_variants_uninhabited, [INFO] [stderr] 296 | | E0005, [INFO] [stderr] 297 | | "The enum you are deriving `Arbitrary` for is uninhabited since all its \ [INFO] [stderr] 298 | | variants are uninhabited. \ [INFO] [stderr] 299 | | An uninhabited type is by definition impossible to generate." [INFO] [stderr] 300 | | ); [INFO] [stderr] | |__- in this macro invocation [INFO] [stderr] note: ... due to this expression evaluating to `!` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/derive.rs:378:58 [INFO] [stderr] | [INFO] [stderr] 378 | error::uninhabited_enum_variants_uninhabited(ctx)?; [INFO] [stderr] | ^ [INFO] [stderr] = note: If you want the `!` type to be used here, add explicit type annotations [INFO] [stderr] [INFO] [stderr] error: Fallback to `!` may introduce undefined behavior [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/derive.rs:373:9 [INFO] [stderr] | [INFO] [stderr] 373 | error::uninhabited_enum_with_no_variants(ctx)?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the type parameter T here was inferred to `!` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/derive.rs:373:9 [INFO] [stderr] | [INFO] [stderr] 373 | error::uninhabited_enum_with_no_variants(ctx)?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] note: (type parameter defined here) [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/error.rs:224:23 [INFO] [stderr] | [INFO] [stderr] 224 | pub fn $error(ctx: Ctx) -> DeriveResult { [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 282 | / fatal!( [INFO] [stderr] 283 | | uninhabited_enum_with_no_variants, [INFO] [stderr] 284 | | E0004, [INFO] [stderr] 285 | | "The enum you are deriving `Arbitrary` for is uninhabited since it has no \ [INFO] [stderr] 286 | | variants. An example of such an `enum` is: `enum Void {}`. \ [INFO] [stderr] 287 | | An uninhabited type is by definition impossible to generate." [INFO] [stderr] 288 | | ); [INFO] [stderr] | |__- in this macro invocation [INFO] [stderr] note: ... due to this expression evaluating to `!` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-derive-0.1.2/src/derive.rs:373:54 [INFO] [stderr] | [INFO] [stderr] 373 | error::uninhabited_enum_with_no_variants(ctx)?; [INFO] [stderr] | ^ [INFO] [stderr] = note: If you want the `!` type to be used here, add explicit type annotations [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: could not compile `proptest-derive`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "55b95e6d22a65dc1cc630d55b006eeb66f589bc81e035776ff6850ebd063b268"` [INFO] running `"docker" "rm" "-f" "55b95e6d22a65dc1cc630d55b006eeb66f589bc81e035776ff6850ebd063b268"` [INFO] [stdout] 55b95e6d22a65dc1cc630d55b006eeb66f589bc81e035776ff6850ebd063b268