[INFO] crate scryer-prolog 0.8.116 is already in cache
[INFO] checking scryer-prolog-0.8.116 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate scryer-prolog 0.8.116 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate scryer-prolog 0.8.116 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scryer-prolog 0.8.116
[INFO] finished tweaking crates.io crate scryer-prolog 0.8.116
[INFO] tweaked toml for crates.io crate scryer-prolog 0.8.116 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate scryer-prolog 0.8.116 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 2b4ae7c3d8fd081b77ad4da31b8153a1e3ed6231656e495a0fde68a611127ea4
[INFO] running `"docker" "start" "-a" "2b4ae7c3d8fd081b77ad4da31b8153a1e3ed6231656e495a0fde68a611127ea4"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling rug v1.5.2
[INFO] [stderr]    Compiling indexmap v1.1.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking stackvector v1.0.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]    Compiling scryer-prolog v0.8.116 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lexical-core v0.4.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking lexical v2.1.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]     Checking rustyline v5.0.3
[INFO] [stderr]     Checking prolog_parser v0.8.34
[INFO] [stderr] error[E0583]: file not found for module `tests`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | mod tests;
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: name the file either tests.rs or tests/mod.rs inside the directory "src"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: could not compile `scryer-prolog`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/prolog/heap_print.rs:407:13
[INFO] [stderr]     |
[INFO] [stderr] 407 |             (iter.next() == Some(']') && iter.next().is_none())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/prolog/heap_print.rs:409:13
[INFO] [stderr]     |
[INFO] [stderr] 409 |             (iter.next() == Some('}') && iter.next().is_none())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2b4ae7c3d8fd081b77ad4da31b8153a1e3ed6231656e495a0fde68a611127ea4"`
[INFO] running `"docker" "rm" "-f" "2b4ae7c3d8fd081b77ad4da31b8153a1e3ed6231656e495a0fde68a611127ea4"`
[INFO] [stdout] 2b4ae7c3d8fd081b77ad4da31b8153a1e3ed6231656e495a0fde68a611127ea4