[INFO] updating cached repository hnefatl/symbolic-differentiation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hnefatl/symbolic-differentiation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hnefatl/symbolic-differentiation" "work/ex/beta-1.38-1/sources/1.37.0/gh/hnefatl/symbolic-differentiation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hnefatl/symbolic-differentiation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hnefatl/symbolic-differentiation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnefatl/symbolic-differentiation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnefatl/symbolic-differentiation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fca3cc8ef54f2dd12ef8603558d7786100e2429
[INFO] sha for GitHub repo hnefatl/symbolic-differentiation: 6fca3cc8ef54f2dd12ef8603558d7786100e2429
[INFO] validating manifest of hnefatl/symbolic-differentiation 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 hnefatl/symbolic-differentiation 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 hnefatl/symbolic-differentiation
[INFO] finished frobbing hnefatl/symbolic-differentiation
[INFO] frobbed toml for hnefatl/symbolic-differentiation written to work/ex/beta-1.38-1/sources/1.37.0/gh/hnefatl/symbolic-differentiation/Cargo.toml
[INFO] started frobbing hnefatl/symbolic-differentiation
[INFO] finished frobbing hnefatl/symbolic-differentiation
[INFO] frobbed toml for hnefatl/symbolic-differentiation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnefatl/symbolic-differentiation/Cargo.toml
[INFO] crate hnefatl/symbolic-differentiation already has a lockfile, it will not be regenerated
[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 hnefatl/symbolic-differentiation against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnefatl/symbolic-differentiation:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a7a47fec7411452f034cb5b71234759aceab4624aa7adb9b06aded5a97121e60
[INFO] running `"docker" "start" "-a" "a7a47fec7411452f034cb5b71234759aceab4624aa7adb9b06aded5a97121e60"`
[INFO] [stderr]    Compiling symbolic-differentiation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:92:18
[INFO] [stderr]    |
[INFO] [stderr] 92 |             (Lit(0.0), t) => t,
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |             (t, Lit(0.0)) => t,
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |             (t, Lit(0.0)) => t,
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:103:18
[INFO] [stderr]     |
[INFO] [stderr] 103 |             (Lit(0.0), _) => Lit(0.0),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |             (_, Lit(0.0)) => Lit(0.0),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |             (Lit(1.0), t) => t,
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |             (t, Lit(1.0)) => t,
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |             (t, Lit(1.0)) => t,
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:116:18
[INFO] [stderr]     |
[INFO] [stderr] 116 |             (Lit(0.0), Lit(0.0)) => Lit(1.0),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:116:28
[INFO] [stderr]     |
[INFO] [stderr] 116 |             (Lit(0.0), Lit(0.0)) => Lit(1.0),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |             (_, Lit(0.0)) => Lit(1.0),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |             (t, Lit(1.0)) => t,
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:92:18
[INFO] [stderr]    |
[INFO] [stderr] 92 |             (Lit(0.0), t) => t,
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "a7a47fec7411452f034cb5b71234759aceab4624aa7adb9b06aded5a97121e60"`
[INFO] running `"docker" "rm" "-f" "a7a47fec7411452f034cb5b71234759aceab4624aa7adb9b06aded5a97121e60"`
[INFO] [stdout] a7a47fec7411452f034cb5b71234759aceab4624aa7adb9b06aded5a97121e60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnefatl/symbolic-differentiation:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ce16c2ccdcc310198ac1ad6116054a3b7456df57cd9d5b46920127f40b0e8f4
[INFO] running `"docker" "start" "-a" "9ce16c2ccdcc310198ac1ad6116054a3b7456df57cd9d5b46920127f40b0e8f4"`
[INFO] [stderr]    Compiling symbolic-differentiation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:92:18
[INFO] [stderr]    |
[INFO] [stderr] 92 |             (Lit(0.0), t) => t,
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |             (t, Lit(0.0)) => t,
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |             (t, Lit(0.0)) => t,
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:103:18
[INFO] [stderr]     |
[INFO] [stderr] 103 |             (Lit(0.0), _) => Lit(0.0),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |             (_, Lit(0.0)) => Lit(0.0),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |             (Lit(1.0), t) => t,
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |             (t, Lit(1.0)) => t,
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |             (t, Lit(1.0)) => t,
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:116:18
[INFO] [stderr]     |
[INFO] [stderr] 116 |             (Lit(0.0), Lit(0.0)) => Lit(1.0),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:116:28
[INFO] [stderr]     |
[INFO] [stderr] 116 |             (Lit(0.0), Lit(0.0)) => Lit(1.0),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |             (_, Lit(0.0)) => Lit(1.0),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/lib.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |             (t, Lit(1.0)) => t,
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/lib.rs:92:18
[INFO] [stderr]    |
[INFO] [stderr] 92 |             (Lit(0.0), t) => t,
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "9ce16c2ccdcc310198ac1ad6116054a3b7456df57cd9d5b46920127f40b0e8f4"`
[INFO] running `"docker" "rm" "-f" "9ce16c2ccdcc310198ac1ad6116054a3b7456df57cd9d5b46920127f40b0e8f4"`
[INFO] [stdout] 9ce16c2ccdcc310198ac1ad6116054a3b7456df57cd9d5b46920127f40b0e8f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnefatl/symbolic-differentiation:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9448fc35f4201f5d2a02a46a2baef5482326c803afc514d76c4eef352433bc3c
[INFO] running `"docker" "start" "-a" "9448fc35f4201f5d2a02a46a2baef5482326c803afc514d76c4eef352433bc3c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbolic_differentiation-88dd59ac1a7e016b
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::diff_term_add ... ok
[INFO] [stdout] test tests::simplify_simple ... ok
[INFO] [stdout] test tests::diff_term_lit ... ok
[INFO] [stdout] test tests::diff_term_var ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbolic_differentiation-508407ee76a64a93
[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 symbolic-differentiation
[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] running `"docker" "inspect" "9448fc35f4201f5d2a02a46a2baef5482326c803afc514d76c4eef352433bc3c"`
[INFO] running `"docker" "rm" "-f" "9448fc35f4201f5d2a02a46a2baef5482326c803afc514d76c4eef352433bc3c"`
[INFO] [stdout] 9448fc35f4201f5d2a02a46a2baef5482326c803afc514d76c4eef352433bc3c