[INFO] updating cached repository panicbit/toy_rpn_calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/panicbit/toy_rpn_calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/toy_rpn_calc" "work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/toy_rpn_calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/toy_rpn_calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/toy_rpn_calc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/toy_rpn_calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/toy_rpn_calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d971b5d64b5698c40e12c6eeeb1e8fa7ee3e9b80
[INFO] sha for GitHub repo panicbit/toy_rpn_calc: d971b5d64b5698c40e12c6eeeb1e8fa7ee3e9b80
[INFO] validating manifest of panicbit/toy_rpn_calc 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 panicbit/toy_rpn_calc 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 panicbit/toy_rpn_calc
[INFO] finished frobbing panicbit/toy_rpn_calc
[INFO] frobbed toml for panicbit/toy_rpn_calc written to work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/toy_rpn_calc/Cargo.toml
[INFO] started frobbing panicbit/toy_rpn_calc
[INFO] finished frobbing panicbit/toy_rpn_calc
[INFO] frobbed toml for panicbit/toy_rpn_calc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/toy_rpn_calc/Cargo.toml
[INFO] crate panicbit/toy_rpn_calc 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 panicbit/toy_rpn_calc 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/toy_rpn_calc:/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] 444035ab6400c98480b050a67030b2150e5ae45219962e8c7c903df4be3d9d84
[INFO] running `"docker" "start" "-a" "444035ab6400c98480b050a67030b2150e5ae45219962e8c7c903df4be3d9d84"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling stackulon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `"docker" "inspect" "444035ab6400c98480b050a67030b2150e5ae45219962e8c7c903df4be3d9d84"`
[INFO] running `"docker" "rm" "-f" "444035ab6400c98480b050a67030b2150e5ae45219962e8c7c903df4be3d9d84"`
[INFO] [stdout] 444035ab6400c98480b050a67030b2150e5ae45219962e8c7c903df4be3d9d84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/toy_rpn_calc:/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] c9f06bc6d3f4e92e6e66760df37932071feec6973dcb31f86ef79a0b478e4491
[INFO] running `"docker" "start" "-a" "c9f06bc6d3f4e92e6e66760df37932071feec6973dcb31f86ef79a0b478e4491"`
[INFO] [stderr]    Compiling stackulon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "c9f06bc6d3f4e92e6e66760df37932071feec6973dcb31f86ef79a0b478e4491"`
[INFO] running `"docker" "rm" "-f" "c9f06bc6d3f4e92e6e66760df37932071feec6973dcb31f86ef79a0b478e4491"`
[INFO] [stdout] c9f06bc6d3f4e92e6e66760df37932071feec6973dcb31f86ef79a0b478e4491
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/toy_rpn_calc:/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] 993e0f4873333f241f9c32d43291b0bd62e04f31cfe7af4dfede19a65ec1b5c0
[INFO] running `"docker" "start" "-a" "993e0f4873333f241f9c32d43291b0bd62e04f31cfe7af4dfede19a65ec1b5c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stackulon-8c3c4f9b6693d445
[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]      Running /opt/crater/target/debug/deps/stackulon-5099fc497d40feff
[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 stackulon
[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" "993e0f4873333f241f9c32d43291b0bd62e04f31cfe7af4dfede19a65ec1b5c0"`
[INFO] running `"docker" "rm" "-f" "993e0f4873333f241f9c32d43291b0bd62e04f31cfe7af4dfede19a65ec1b5c0"`
[INFO] [stdout] 993e0f4873333f241f9c32d43291b0bd62e04f31cfe7af4dfede19a65ec1b5c0