[INFO] crate symbolics_core 0.1.5 is already in cache
[INFO] testing symbolics_core-0.1.5 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate symbolics_core 0.1.5 into work/builds/worker-10/source
[INFO] validating manifest of crates.io crate symbolics_core 0.1.5 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate symbolics_core 0.1.5
[INFO] finished tweaking crates.io crate symbolics_core 0.1.5
[INFO] tweaked toml for crates.io crate symbolics_core 0.1.5 written to work/builds/worker-10/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 4032d5e6b91e0b8883728f8b8248713784e218afa74225ac78b5e7aae0f22686
[INFO] running `"docker" "start" "-a" "4032d5e6b91e0b8883728f8b8248713784e218afa74225ac78b5e7aae0f22686"`
[INFO] [stderr]    Compiling symbolics_core v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "4032d5e6b91e0b8883728f8b8248713784e218afa74225ac78b5e7aae0f22686"`
[INFO] running `"docker" "rm" "-f" "4032d5e6b91e0b8883728f8b8248713784e218afa74225ac78b5e7aae0f22686"`
[INFO] [stdout] 4032d5e6b91e0b8883728f8b8248713784e218afa74225ac78b5e7aae0f22686
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3d708f1d29bf1529082e9a7a930b74507df46f675a5c8b6eddbd87882d7368bf
[INFO] running `"docker" "start" "-a" "3d708f1d29bf1529082e9a7a930b74507df46f675a5c8b6eddbd87882d7368bf"`
[INFO] [stderr]    Compiling symbolics_core v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]  --> tests/building.rs:9:117
[INFO] [stderr]   |
[INFO] [stderr] 9 |     "Add(Add(Mul(Symbol(\"a\"), Pow(Symbol(\"x\"), Num(2.0))), Mul(Symbol(\"b\"), Symbol(\"x\"))), Symbol(\"c\"))");;
[INFO] [stderr]   |                                                                                                                     ^ help: remove this semicolon
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "3d708f1d29bf1529082e9a7a930b74507df46f675a5c8b6eddbd87882d7368bf"`
[INFO] running `"docker" "rm" "-f" "3d708f1d29bf1529082e9a7a930b74507df46f675a5c8b6eddbd87882d7368bf"`
[INFO] [stdout] 3d708f1d29bf1529082e9a7a930b74507df46f675a5c8b6eddbd87882d7368bf
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] e97b339d3dec325a277569a26d2b9e1c735d900946a1ebc002fd0d2288f8078b
[INFO] running `"docker" "start" "-a" "e97b339d3dec325a277569a26d2b9e1c735d900946a1ebc002fd0d2288f8078b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/symbolics_core-2f26307f6cc07e03
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test expr::apply::batch ... ok
[INFO] [stdout] test expr::overloads::add::expr_expr ... ok
[INFO] [stdout] test expr::apply::one ... ok
[INFO] [stdout] test expr::apply::expr ... ok
[INFO] [stdout] test expr::overloads::add::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::add::f64_expr ... ok
[INFO] [stdout] test expr::overloads::div::f64_expr ... ok
[INFO] [stdout] test expr::overloads::div::expr_expr ... ok
[INFO] [stdout] test expr::overloads::div::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::mul::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::mul::expr_expr ... ok
[INFO] [stdout] test expr::overloads::mul::f64_expr ... ok
[INFO] [stdout] test expr::overloads::neg::expr ... ok
[INFO] [stdout] test expr::overloads::pow::expr_expr ... ok
[INFO] [stdout] test expr::overloads::pow::expr_f64 ... ok
[INFO] [stdout] test expr::overloads::pow::f64_expr ... ok
[INFO] [stdout] test expr::overloads::sub::expr_expr ... ok
[INFO] [stdout] test expr::overloads::sub::f64_expr ... ok
[INFO] [stdout] test expr::overloads::sub::expr_f64 ... 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/rustwide/target/debug/deps/building-2dd2ce21f800c0a8
[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 37) ... ok
[INFO] [stdout] test src/expr/apply.rs - expr::apply::Expr::apply1 (line 27) ... 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" "e97b339d3dec325a277569a26d2b9e1c735d900946a1ebc002fd0d2288f8078b"`
[INFO] running `"docker" "rm" "-f" "e97b339d3dec325a277569a26d2b9e1c735d900946a1ebc002fd0d2288f8078b"`
[INFO] [stdout] e97b339d3dec325a277569a26d2b9e1c735d900946a1ebc002fd0d2288f8078b