[INFO] crate fluid_attributes 0.4.0 is already in cache
[INFO] extracting crate fluid_attributes 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fluid_attributes/0.4.0
[INFO] extracting crate fluid_attributes 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fluid_attributes/0.4.0
[INFO] validating manifest of fluid_attributes-0.4.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fluid_attributes-0.4.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fluid_attributes-0.4.0
[INFO] finished frobbing fluid_attributes-0.4.0
[INFO] frobbed toml for fluid_attributes-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fluid_attributes/0.4.0/Cargo.toml
[INFO] started frobbing fluid_attributes-0.4.0
[INFO] finished frobbing fluid_attributes-0.4.0
[INFO] frobbed toml for fluid_attributes-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fluid_attributes/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fluid_attributes-0.4.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fluid_attributes/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a1e43043f8a8d6f9031ad3414145d32204db06980cd4b71136e1b973b692a387
[INFO] running `"docker" "start" "-a" "a1e43043f8a8d6f9031ad3414145d32204db06980cd4b71136e1b973b692a387"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fluid_attributes v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `quote`
[INFO] [stderr]  --> src/session.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use quote::{quote, ToTokens};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote::quote`
[INFO] [stderr]  --> src/helpers.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use quote::quote;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote`
[INFO] [stderr]  --> src/assertion_derive.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use quote::{quote, ToTokens};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.59s
[INFO] running `"docker" "inspect" "a1e43043f8a8d6f9031ad3414145d32204db06980cd4b71136e1b973b692a387"`
[INFO] running `"docker" "rm" "-f" "a1e43043f8a8d6f9031ad3414145d32204db06980cd4b71136e1b973b692a387"`
[INFO] [stdout] a1e43043f8a8d6f9031ad3414145d32204db06980cd4b71136e1b973b692a387
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fluid_attributes/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd931b4dcd351d2405e0c5efaf400efdfcf00352870041cf11c0dc389a85c3e0
[INFO] running `"docker" "start" "-a" "bd931b4dcd351d2405e0c5efaf400efdfcf00352870041cf11c0dc389a85c3e0"`
[INFO] [stderr]    Compiling fluid_attributes v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `quote`
[INFO] [stderr]  --> src/session.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use quote::{quote, ToTokens};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote::quote`
[INFO] [stderr]  --> src/helpers.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use quote::quote;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote`
[INFO] [stderr]  --> src/assertion_derive.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use quote::{quote, ToTokens};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "bd931b4dcd351d2405e0c5efaf400efdfcf00352870041cf11c0dc389a85c3e0"`
[INFO] running `"docker" "rm" "-f" "bd931b4dcd351d2405e0c5efaf400efdfcf00352870041cf11c0dc389a85c3e0"`
[INFO] [stdout] bd931b4dcd351d2405e0c5efaf400efdfcf00352870041cf11c0dc389a85c3e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fluid_attributes/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 20bd3617d030c64e31d0443347ded2e5e1b3789ddf66655e25cd788792d02e5c
[INFO] running `"docker" "start" "-a" "20bd3617d030c64e31d0443347ded2e5e1b3789ddf66655e25cd788792d02e5c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fluid_attributes-95d6b71fe7ba9d0d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fluid_attributes
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - fact (line 28) ... FAILED
[INFO] [stdout] test src/theory.rs - theory (line 3) ... FAILED
[INFO] [stdout] test src/lib.rs - theory (line 75) ... FAILED
[INFO] [stdout] test src/theory.rs - theory (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - fact (line 28) stdout ----
[INFO] [stdout] error[E0658]: The attribute `fact` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:29:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[fact]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `number_of_faces` in this scope
[INFO] [stdout]  --> src/lib.rs:31:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     number_of_faces("Cerberus").should().be_equal_to(3)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/theory.rs - theory (line 3) stdout ----
[INFO] [stdout] error[E0658]: The attribute `theory` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/theory.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[theory]
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `case` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/theory.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[case(0, "zero")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `case` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/theory.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[case(2, "two")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `case` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/theory.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[case(4, "four")]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `is_even` in this scope
[INFO] [stdout]  --> src/theory.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     is_even(i).should().be_true();
[INFO] [stdout]   |     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - theory (line 75) stdout ----
[INFO] [stdout] error[E0658]: The attribute `theory` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:76:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[theory]
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `case` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:77:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[case("Cerberus", 3)]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `case` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:78:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[case("Hydra", 7)]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `case` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:79:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[case("Janus", 2)]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `case` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:80:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[case("Normal guy", 1)]
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `number_of_faces` in this scope
[INFO] [stdout]  --> src/lib.rs:82:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     number_of_faces(name).should().be_equal_to(nbr_faces);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/theory.rs - theory (line 15) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `LeftElement`
[INFO] [stdout]  --> src/theory.rs:18:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         LeftElement::new(is_even(i), "is_even(i)", "file:line", Some(case_uuid)).should().be_true();
[INFO] [stdout]   |         ^^^^^^^^^^^ use of undeclared type or module `LeftElement`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `is_even` in this scope
[INFO] [stdout]  --> src/theory.rs:18:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |         LeftElement::new(is_even(i), "is_even(i)", "file:line", Some(case_uuid)).should().be_true();
[INFO] [stdout]   |                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - fact (line 28)
[INFO] [stdout]     src/lib.rs - theory (line 75)
[INFO] [stdout]     src/theory.rs - theory (line 15)
[INFO] [stdout]     src/theory.rs - theory (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "20bd3617d030c64e31d0443347ded2e5e1b3789ddf66655e25cd788792d02e5c"`
[INFO] running `"docker" "rm" "-f" "20bd3617d030c64e31d0443347ded2e5e1b3789ddf66655e25cd788792d02e5c"`
[INFO] [stdout] 20bd3617d030c64e31d0443347ded2e5e1b3789ddf66655e25cd788792d02e5c