[INFO] updating cached repository joao-victor-silva/rust_exp_problem
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joao-victor-silva/rust_exp_problem
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joao-victor-silva/rust_exp_problem" "work/ex/beta-1.38-1/sources/1.37.0/gh/joao-victor-silva/rust_exp_problem"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/joao-victor-silva/rust_exp_problem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joao-victor-silva/rust_exp_problem" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joao-victor-silva/rust_exp_problem"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joao-victor-silva/rust_exp_problem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27150f0e79fce2384e4591955f0269d73ecd49ec
[INFO] sha for GitHub repo joao-victor-silva/rust_exp_problem: 27150f0e79fce2384e4591955f0269d73ecd49ec
[INFO] validating manifest of joao-victor-silva/rust_exp_problem 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 joao-victor-silva/rust_exp_problem 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 joao-victor-silva/rust_exp_problem
[INFO] finished frobbing joao-victor-silva/rust_exp_problem
[INFO] frobbed toml for joao-victor-silva/rust_exp_problem written to work/ex/beta-1.38-1/sources/1.37.0/gh/joao-victor-silva/rust_exp_problem/Cargo.toml
[INFO] started frobbing joao-victor-silva/rust_exp_problem
[INFO] finished frobbing joao-victor-silva/rust_exp_problem
[INFO] frobbed toml for joao-victor-silva/rust_exp_problem written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joao-victor-silva/rust_exp_problem/Cargo.toml
[INFO] crate joao-victor-silva/rust_exp_problem 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing joao-victor-silva/rust_exp_problem 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joao-victor-silva/rust_exp_problem:/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] a05375c83abbbdb52eb389b0cc359b4dc8b5b6f4464ccc2b767e53919573f677
[INFO] running `"docker" "start" "-a" "a05375c83abbbdb52eb389b0cc359b4dc8b5b6f4464ccc2b767e53919573f677"`
[INFO] [stderr]    Compiling exp_problem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "a05375c83abbbdb52eb389b0cc359b4dc8b5b6f4464ccc2b767e53919573f677"`
[INFO] running `"docker" "rm" "-f" "a05375c83abbbdb52eb389b0cc359b4dc8b5b6f4464ccc2b767e53919573f677"`
[INFO] [stdout] a05375c83abbbdb52eb389b0cc359b4dc8b5b6f4464ccc2b767e53919573f677
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joao-victor-silva/rust_exp_problem:/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] de46809669a6031a8f46d48a7d45996d4e956f19b1f3868617ca2baed19e1623
[INFO] running `"docker" "start" "-a" "de46809669a6031a8f46d48a7d45996d4e956f19b1f3868617ca2baed19e1623"`
[INFO] [stderr]    Compiling exp_problem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "de46809669a6031a8f46d48a7d45996d4e956f19b1f3868617ca2baed19e1623"`
[INFO] running `"docker" "rm" "-f" "de46809669a6031a8f46d48a7d45996d4e956f19b1f3868617ca2baed19e1623"`
[INFO] [stdout] de46809669a6031a8f46d48a7d45996d4e956f19b1f3868617ca2baed19e1623
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joao-victor-silva/rust_exp_problem:/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] a2d1604d24947c5092a3d37b65782f74e8fdd45a0919d4b3f550a412d53546b7
[INFO] running `"docker" "start" "-a" "a2d1604d24947c5092a3d37b65782f74e8fdd45a0919d4b3f550a412d53546b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exp_problem-75ff74275c372f94
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test add::tests::get_rhs_add ... ok
[INFO] [stdout] test add::tests::get_lhs_add ... ok
[INFO] [stdout] test eval_add::tests::eval_add ... ok
[INFO] [stdout] test eval::tests::eval_literal ... ok
[INFO] [stdout] test core::tests::print_literal ... ok
[INFO] [stdout] test core::tests::new_literal ... ok
[INFO] [stdout] test add::tests::new_add ... ok
[INFO] [stdout] test core::tests::get_value_literal ... ok
[INFO] [stdout] test add::tests::print_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a2d1604d24947c5092a3d37b65782f74e8fdd45a0919d4b3f550a412d53546b7"`
[INFO] running `"docker" "rm" "-f" "a2d1604d24947c5092a3d37b65782f74e8fdd45a0919d4b3f550a412d53546b7"`
[INFO] [stdout] a2d1604d24947c5092a3d37b65782f74e8fdd45a0919d4b3f550a412d53546b7