[INFO] crate symbolics_core 0.1.5 is already in cache
[INFO] extracting crate symbolics_core 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/symbolics_core/0.1.5
[INFO] extracting crate symbolics_core 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbolics_core/0.1.5
[INFO] validating manifest of symbolics_core-0.1.5 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 symbolics_core-0.1.5 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/symbolics_core/0.1.5/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 symbolics_core-0.1.5 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ca7df34c890e74f5c58d36644519741c61c190d1c0dfda886d4b648b1bb89f3c
[INFO] running `"docker" "start" "-a" "ca7df34c890e74f5c58d36644519741c61c190d1c0dfda886d4b648b1bb89f3c"`
[INFO] [stderr]    Compiling symbolics_core v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "ca7df34c890e74f5c58d36644519741c61c190d1c0dfda886d4b648b1bb89f3c"`
[INFO] running `"docker" "rm" "-f" "ca7df34c890e74f5c58d36644519741c61c190d1c0dfda886d4b648b1bb89f3c"`
[INFO] [stdout] ca7df34c890e74f5c58d36644519741c61c190d1c0dfda886d4b648b1bb89f3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 14ee3ce8ccad7dece3c68cd17354c9c8a6456309a367ec25fa7fc4b2efe8b0c7
[INFO] running `"docker" "start" "-a" "14ee3ce8ccad7dece3c68cd17354c9c8a6456309a367ec25fa7fc4b2efe8b0c7"`
[INFO] [stderr]    Compiling symbolics_core v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "14ee3ce8ccad7dece3c68cd17354c9c8a6456309a367ec25fa7fc4b2efe8b0c7"`
[INFO] running `"docker" "rm" "-f" "14ee3ce8ccad7dece3c68cd17354c9c8a6456309a367ec25fa7fc4b2efe8b0c7"`
[INFO] [stdout] 14ee3ce8ccad7dece3c68cd17354c9c8a6456309a367ec25fa7fc4b2efe8b0c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2a3be43024e7377099d3ba55b79ce4afb9ed55a8ef3645934ab6d1f8c145be91
[INFO] running `"docker" "start" "-a" "2a3be43024e7377099d3ba55b79ce4afb9ed55a8ef3645934ab6d1f8c145be91"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbolics_core-548207765780135b
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test expr::apply::batch ... ok
[INFO] [stdout] test expr::overloads::add::expr_f64 ... ok
[INFO] [stdout] test expr::apply::one ... ok
[INFO] [stdout] test expr::overloads::add::expr_expr ... ok
[INFO] [stdout] test expr::apply::expr ... ok
[INFO] [stdout] test expr::overloads::div::expr_expr ... ok
[INFO] [stdout] test expr::overloads::add::f64_expr ... ok
[INFO] [stdout] test expr::overloads::div::expr_f64 ... 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::f64_expr ... ok
[INFO] [stdout] test expr::overloads::mul::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::neg::expr ... ok
[INFO] [stdout] test expr::overloads::pow::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::sub::expr_expr ... ok
[INFO] [stdout] test expr::overloads::sub::f64_expr ... ok
[INFO] [stdout] test expr::overloads::pow::f64_expr ... ok
[INFO] [stdout] test expr::overloads::sub::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::pow::expr_expr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/building-5d5010c0edb9b2d0
[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 - s (line 6) ... ok
[INFO] [stdout] test src/macros.rs - apply (line 23) ... 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" "2a3be43024e7377099d3ba55b79ce4afb9ed55a8ef3645934ab6d1f8c145be91"`
[INFO] running `"docker" "rm" "-f" "2a3be43024e7377099d3ba55b79ce4afb9ed55a8ef3645934ab6d1f8c145be91"`
[INFO] [stdout] 2a3be43024e7377099d3ba55b79ce4afb9ed55a8ef3645934ab6d1f8c145be91