[INFO] crate single 1.0.0 is already in cache
[INFO] extracting crate single 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/single/1.0.0
[INFO] extracting crate single 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/single/1.0.0
[INFO] validating manifest of single-1.0.0 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 single-1.0.0 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 single-1.0.0
[INFO] finished frobbing single-1.0.0
[INFO] frobbed toml for single-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/single/1.0.0/Cargo.toml
[INFO] started frobbing single-1.0.0
[INFO] finished frobbing single-1.0.0
[INFO] frobbed toml for single-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/single/1.0.0/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 single-1.0.0 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/single/1.0.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9d6221c6077531c72ff271f2eef5a1803b265fc5db5bfdef987e57954660ee2b
[INFO] running `"docker" "start" "-a" "9d6221c6077531c72ff271f2eef5a1803b265fc5db5bfdef987e57954660ee2b"`
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling single v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "9d6221c6077531c72ff271f2eef5a1803b265fc5db5bfdef987e57954660ee2b"`
[INFO] running `"docker" "rm" "-f" "9d6221c6077531c72ff271f2eef5a1803b265fc5db5bfdef987e57954660ee2b"`
[INFO] [stdout] 9d6221c6077531c72ff271f2eef5a1803b265fc5db5bfdef987e57954660ee2b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/single/1.0.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 01ac50e429ce1305fc62e51d8f6572fd180e75d4a558df9edcede4d710fb6371
[INFO] running `"docker" "start" "-a" "01ac50e429ce1305fc62e51d8f6572fd180e75d4a558df9edcede4d710fb6371"`
[INFO] [stderr]    Compiling single v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "01ac50e429ce1305fc62e51d8f6572fd180e75d4a558df9edcede4d710fb6371"`
[INFO] running `"docker" "rm" "-f" "01ac50e429ce1305fc62e51d8f6572fd180e75d4a558df9edcede4d710fb6371"`
[INFO] [stdout] 01ac50e429ce1305fc62e51d8f6572fd180e75d4a558df9edcede4d710fb6371
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/single/1.0.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 94fcf7da0cfb9d2d570227bda04d7821f0277e9eb7eb1320957919275212f700
[INFO] running `"docker" "start" "-a" "94fcf7da0cfb9d2d570227bda04d7821f0277e9eb7eb1320957919275212f700"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/single-35cf56e4cce0aec5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::panic_empty ... ok
[INFO] [stdout] test test::panic_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests single
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Single::single (line 30) ... ok
[INFO] [stdout] test src/lib.rs -  (line 6) ... 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" "94fcf7da0cfb9d2d570227bda04d7821f0277e9eb7eb1320957919275212f700"`
[INFO] running `"docker" "rm" "-f" "94fcf7da0cfb9d2d570227bda04d7821f0277e9eb7eb1320957919275212f700"`
[INFO] [stdout] 94fcf7da0cfb9d2d570227bda04d7821f0277e9eb7eb1320957919275212f700