[INFO] cloning repository PragTob/rust_playground
[INFO] running `"git" "clone" "--bare" "git://github.com/PragTob/rust_playground.git" "work/cache/sources/gh/PragTob/rust_playground"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/PragTob/rust_playground'...
[INFO] running `"git" "clone" "work/cache/sources/gh/PragTob/rust_playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PragTob/rust_playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PragTob/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PragTob/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af88234da82c1cff7bf025abcae033927707078e
[INFO] sha for GitHub repo PragTob/rust_playground: af88234da82c1cff7bf025abcae033927707078e
[INFO] validating manifest of PragTob/rust_playground 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 PragTob/rust_playground 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 PragTob/rust_playground
[INFO] finished frobbing PragTob/rust_playground
[INFO] frobbed toml for PragTob/rust_playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground/Cargo.toml
[INFO] started frobbing PragTob/rust_playground
[INFO] finished frobbing PragTob/rust_playground
[INFO] frobbed toml for PragTob/rust_playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PragTob/rust_playground/Cargo.toml
[INFO] crate PragTob/rust_playground already has a lockfile, it will not be regenerated
[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 PragTob/rust_playground 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground:/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] 1d825e35a9042b2fb7335314961952815d851c26bcb443ef5e156c91d7ad335b
[INFO] running `"docker" "start" "-a" "1d825e35a9042b2fb7335314961952815d851c26bcb443ef5e156c91d7ad335b"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "1d825e35a9042b2fb7335314961952815d851c26bcb443ef5e156c91d7ad335b"`
[INFO] running `"docker" "rm" "-f" "1d825e35a9042b2fb7335314961952815d851c26bcb443ef5e156c91d7ad335b"`
[INFO] [stdout] 1d825e35a9042b2fb7335314961952815d851c26bcb443ef5e156c91d7ad335b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground:/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] 01cd258e5e88ee6bc0d36811d535919b3bedd1cb807d0d2e013eac1e2adbac43
[INFO] running `"docker" "start" "-a" "01cd258e5e88ee6bc0d36811d535919b3bedd1cb807d0d2e013eac1e2adbac43"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "01cd258e5e88ee6bc0d36811d535919b3bedd1cb807d0d2e013eac1e2adbac43"`
[INFO] running `"docker" "rm" "-f" "01cd258e5e88ee6bc0d36811d535919b3bedd1cb807d0d2e013eac1e2adbac43"`
[INFO] [stdout] 01cd258e5e88ee6bc0d36811d535919b3bedd1cb807d0d2e013eac1e2adbac43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PragTob/rust_playground:/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] 026f8d77c871acaf160d068fe415f781068390998212cd6323fa36a9f65fd7a1
[INFO] running `"docker" "start" "-a" "026f8d77c871acaf160d068fe415f781068390998212cd6323fa36a9f65fd7a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_playground-8ab025420bf710d4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::summing_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "026f8d77c871acaf160d068fe415f781068390998212cd6323fa36a9f65fd7a1"`
[INFO] running `"docker" "rm" "-f" "026f8d77c871acaf160d068fe415f781068390998212cd6323fa36a9f65fd7a1"`
[INFO] [stdout] 026f8d77c871acaf160d068fe415f781068390998212cd6323fa36a9f65fd7a1