[INFO] crate symbolics_core 0.1.5 is already in cache
[INFO] extracting crate symbolics_core 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/symbolics_core/0.1.5
[INFO] extracting crate symbolics_core 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/symbolics_core/0.1.5
[INFO] validating manifest of symbolics_core-0.1.5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of symbolics_core-0.1.5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing symbolics_core-0.1.5
[INFO] finished frobbing symbolics_core-0.1.5
[INFO] frobbed toml for symbolics_core-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/symbolics_core/0.1.5/Cargo.toml
[INFO] started frobbing symbolics_core-0.1.5
[INFO] finished frobbing symbolics_core-0.1.5
[INFO] frobbed toml for symbolics_core-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/symbolics_core/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing symbolics_core-0.1.5 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/symbolics_core/0.1.5:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 37c2372fabeb367d043ff485bd999090f2e74442656723f000bdae826cd021b6
[INFO] running `"docker" "start" "-a" "37c2372fabeb367d043ff485bd999090f2e74442656723f000bdae826cd021b6"`
[INFO] [stderr]    Compiling symbolics_core v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "37c2372fabeb367d043ff485bd999090f2e74442656723f000bdae826cd021b6"`
[INFO] running `"docker" "rm" "-f" "37c2372fabeb367d043ff485bd999090f2e74442656723f000bdae826cd021b6"`
[INFO] [stdout] 37c2372fabeb367d043ff485bd999090f2e74442656723f000bdae826cd021b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/symbolics_core/0.1.5:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5cbb987dbf268692ad6668cfe89f656a1a6a34ee94b4d8a685d134a0bd154fb0
[INFO] running `"docker" "start" "-a" "5cbb987dbf268692ad6668cfe89f656a1a6a34ee94b4d8a685d134a0bd154fb0"`
[INFO] [stderr]    Compiling symbolics_core v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "5cbb987dbf268692ad6668cfe89f656a1a6a34ee94b4d8a685d134a0bd154fb0"`
[INFO] running `"docker" "rm" "-f" "5cbb987dbf268692ad6668cfe89f656a1a6a34ee94b4d8a685d134a0bd154fb0"`
[INFO] [stdout] 5cbb987dbf268692ad6668cfe89f656a1a6a34ee94b4d8a685d134a0bd154fb0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/symbolics_core/0.1.5:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c91753eaef2d7f4bdf998b034a54a79908f7219a9fa5165a4267d1b511354a3c
[INFO] running `"docker" "start" "-a" "c91753eaef2d7f4bdf998b034a54a79908f7219a9fa5165a4267d1b511354a3c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbolics_core-56a219b3bb291f58
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test expr::overloads::add::f64_expr ... ok
[INFO] [stdout] test expr::overloads::add::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::div::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::add::expr_expr ... ok
[INFO] [stdout] test expr::overloads::div::expr_expr ... ok
[INFO] [stdout] test expr::apply::one ... ok
[INFO] [stdout] test expr::apply::batch ... ok
[INFO] [stdout] test expr::apply::expr ... ok
[INFO] [stdout] test expr::overloads::neg::expr ... ok
[INFO] [stdout] test expr::overloads::pow::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::pow::expr_expr ... ok
[INFO] [stdout] test expr::overloads::div::f64_expr ... ok
[INFO] [stdout] test expr::overloads::mul::expr_expr ... ok
[INFO] [stdout] test expr::overloads::mul::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::sub::expr_expr ... ok
[INFO] [stdout] test expr::overloads::mul::f64_expr ... ok
[INFO] [stdout] test expr::overloads::sub::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::pow::f64_expr ... ok
[INFO] [stdout] test expr::overloads::sub::f64_expr ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/building-45a8ce2bf7f8c402
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test exponential_nref ... ok
[INFO] [stdout] test quadratic_s ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symbolics_core
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/macros.rs - apply (line 23) ... ok
[INFO] [stdout] test src/macros.rs - s (line 6) ... ok
[INFO] [stdout] test src/macros.rs - apply (line 32) ... ok
[INFO] [stdout] test src/expr/apply.rs - expr::apply::Expr::apply1 (line 27) ... ok
[INFO] [stdout] test src/expr/apply.rs - expr::apply::Expr::apply1 (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c91753eaef2d7f4bdf998b034a54a79908f7219a9fa5165a4267d1b511354a3c"`
[INFO] running `"docker" "rm" "-f" "c91753eaef2d7f4bdf998b034a54a79908f7219a9fa5165a4267d1b511354a3c"`
[INFO] [stdout] c91753eaef2d7f4bdf998b034a54a79908f7219a9fa5165a4267d1b511354a3c