[INFO] updating cached repository justinas/tappy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinas/tappy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinas/tappy" "work/ex/beta-1.38-1/sources/1.37.0/gh/justinas/tappy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/justinas/tappy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinas/tappy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinas/tappy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinas/tappy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34c6d3d5914e1367c7161e34a664a634b4771e9d
[INFO] sha for GitHub repo justinas/tappy: 34c6d3d5914e1367c7161e34a664a634b4771e9d
[INFO] validating manifest of justinas/tappy 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 justinas/tappy 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 justinas/tappy
[INFO] finished frobbing justinas/tappy
[INFO] frobbed toml for justinas/tappy written to work/ex/beta-1.38-1/sources/1.37.0/gh/justinas/tappy/Cargo.toml
[INFO] started frobbing justinas/tappy
[INFO] finished frobbing justinas/tappy
[INFO] frobbed toml for justinas/tappy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinas/tappy/Cargo.toml
[INFO] crate justinas/tappy 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 justinas/tappy against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinas/tappy:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4f2dfd538728732cb96c8229a9b960f35214c53d88df76b7d6a7f064bc4a4b85
[INFO] running `"docker" "start" "-a" "4f2dfd538728732cb96c8229a9b960f35214c53d88df76b7d6a7f064bc4a4b85"`
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling arc-swap v0.3.4
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling enumset v0.3.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.1.5
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]    Compiling enum-map v0.4.1
[INFO] [stderr]    Compiling cursive v0.9.2
[INFO] [stderr]    Compiling tappy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.15s
[INFO] running `"docker" "inspect" "4f2dfd538728732cb96c8229a9b960f35214c53d88df76b7d6a7f064bc4a4b85"`
[INFO] running `"docker" "rm" "-f" "4f2dfd538728732cb96c8229a9b960f35214c53d88df76b7d6a7f064bc4a4b85"`
[INFO] [stdout] 4f2dfd538728732cb96c8229a9b960f35214c53d88df76b7d6a7f064bc4a4b85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinas/tappy:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cac9f192d44c73ed8fd12c418caace8123095a3481c44acef241a7f6d61e1060
[INFO] running `"docker" "start" "-a" "cac9f192d44c73ed8fd12c418caace8123095a3481c44acef241a7f6d61e1060"`
[INFO] [stderr]    Compiling tappy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "cac9f192d44c73ed8fd12c418caace8123095a3481c44acef241a7f6d61e1060"`
[INFO] running `"docker" "rm" "-f" "cac9f192d44c73ed8fd12c418caace8123095a3481c44acef241a7f6d61e1060"`
[INFO] [stdout] cac9f192d44c73ed8fd12c418caace8123095a3481c44acef241a7f6d61e1060
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinas/tappy:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 437065b27e2ba52a9938bf20aeb3d11f9327ec9bdb9a517fdd15e6cd18f9add9
[INFO] running `"docker" "start" "-a" "437065b27e2ba52a9938bf20aeb3d11f9327ec9bdb9a517fdd15e6cd18f9add9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tappy-c9ee42ae72a5b430
[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" "437065b27e2ba52a9938bf20aeb3d11f9327ec9bdb9a517fdd15e6cd18f9add9"`
[INFO] running `"docker" "rm" "-f" "437065b27e2ba52a9938bf20aeb3d11f9327ec9bdb9a517fdd15e6cd18f9add9"`
[INFO] [stdout] 437065b27e2ba52a9938bf20aeb3d11f9327ec9bdb9a517fdd15e6cd18f9add9