[INFO] crate roulette 0.2.0 is already in cache
[INFO] extracting crate roulette 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/roulette/0.2.0
[INFO] extracting crate roulette 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/roulette/0.2.0
[INFO] validating manifest of roulette-0.2.0 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 roulette-0.2.0 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 roulette-0.2.0
[INFO] finished frobbing roulette-0.2.0
[INFO] frobbed toml for roulette-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/roulette/0.2.0/Cargo.toml
[INFO] started frobbing roulette-0.2.0
[INFO] finished frobbing roulette-0.2.0
[INFO] frobbed toml for roulette-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/roulette/0.2.0/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 roulette-0.2.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/roulette/0.2.0:/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] b2197699430c60af392f9b0bed335d7b1d5e8a913614d2a3f2acd10b8b009949
[INFO] running `"docker" "start" "-a" "b2197699430c60af392f9b0bed335d7b1d5e8a913614d2a3f2acd10b8b009949"`
[INFO] [stderr]    Compiling roulette v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "b2197699430c60af392f9b0bed335d7b1d5e8a913614d2a3f2acd10b8b009949"`
[INFO] running `"docker" "rm" "-f" "b2197699430c60af392f9b0bed335d7b1d5e8a913614d2a3f2acd10b8b009949"`
[INFO] [stdout] b2197699430c60af392f9b0bed335d7b1d5e8a913614d2a3f2acd10b8b009949
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/roulette/0.2.0:/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] 9978d672cd0c45ece06ddd681fe1a4fa7e9c3458f860edf1bb9acb6e6b29e3c4
[INFO] running `"docker" "start" "-a" "9978d672cd0c45ece06ddd681fe1a4fa7e9c3458f860edf1bb9acb6e6b29e3c4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roulette v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "9978d672cd0c45ece06ddd681fe1a4fa7e9c3458f860edf1bb9acb6e6b29e3c4"`
[INFO] running `"docker" "rm" "-f" "9978d672cd0c45ece06ddd681fe1a4fa7e9c3458f860edf1bb9acb6e6b29e3c4"`
[INFO] [stdout] 9978d672cd0c45ece06ddd681fe1a4fa7e9c3458f860edf1bb9acb6e6b29e3c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/roulette/0.2.0:/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] ab0cbd47e772c03707f5bb83931fb5e195d96f793b1d57ed54a6601abc2f4c3d
[INFO] running `"docker" "start" "-a" "ab0cbd47e772c03707f5bb83931fb5e195d96f793b1d57ed54a6601abc2f4c3d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roulette-a0058a4eaecf465c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::most_entries_zero ... ok
[INFO] [stdout] test tests::negative_entry ... ok
[INFO] [stdout] test tests::all_entries_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roulette
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ab0cbd47e772c03707f5bb83931fb5e195d96f793b1d57ed54a6601abc2f4c3d"`
[INFO] running `"docker" "rm" "-f" "ab0cbd47e772c03707f5bb83931fb5e195d96f793b1d57ed54a6601abc2f4c3d"`
[INFO] [stdout] ab0cbd47e772c03707f5bb83931fb5e195d96f793b1d57ed54a6601abc2f4c3d