[INFO] crate fakecargo 0.3.4 is already in cache
[INFO] extracting crate fakecargo 0.3.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/fakecargo/0.3.4
[INFO] extracting crate fakecargo 0.3.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fakecargo/0.3.4
[INFO] validating manifest of fakecargo-0.3.4 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 fakecargo-0.3.4 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 fakecargo-0.3.4
[INFO] finished frobbing fakecargo-0.3.4
[INFO] frobbed toml for fakecargo-0.3.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fakecargo/0.3.4/Cargo.toml
[INFO] started frobbing fakecargo-0.3.4
[INFO] finished frobbing fakecargo-0.3.4
[INFO] frobbed toml for fakecargo-0.3.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fakecargo/0.3.4/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 fakecargo-0.3.4 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fakecargo/0.3.4:/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] 4a03d87f88e63f7be14de102e05747f753752fc854098b2a4c96fceb42fcf025
[INFO] running `"docker" "start" "-a" "4a03d87f88e63f7be14de102e05747f753752fc854098b2a4c96fceb42fcf025"`
[INFO] [stderr]    Compiling fakecargo v0.3.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "4a03d87f88e63f7be14de102e05747f753752fc854098b2a4c96fceb42fcf025"`
[INFO] running `"docker" "rm" "-f" "4a03d87f88e63f7be14de102e05747f753752fc854098b2a4c96fceb42fcf025"`
[INFO] [stdout] 4a03d87f88e63f7be14de102e05747f753752fc854098b2a4c96fceb42fcf025
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fakecargo/0.3.4:/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] 39afd36681b662350c894e90a5cb0a08199bdf4ef9493fb0d572352dc42ea20b
[INFO] running `"docker" "start" "-a" "39afd36681b662350c894e90a5cb0a08199bdf4ef9493fb0d572352dc42ea20b"`
[INFO] [stderr]    Compiling fakecargo v0.3.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "39afd36681b662350c894e90a5cb0a08199bdf4ef9493fb0d572352dc42ea20b"`
[INFO] running `"docker" "rm" "-f" "39afd36681b662350c894e90a5cb0a08199bdf4ef9493fb0d572352dc42ea20b"`
[INFO] [stdout] 39afd36681b662350c894e90a5cb0a08199bdf4ef9493fb0d572352dc42ea20b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fakecargo/0.3.4:/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] 14b1a439221453cf39d18d2e95afbc4d0294a99a247b56a6106f97965375d022
[INFO] running `"docker" "start" "-a" "14b1a439221453cf39d18d2e95afbc4d0294a99a247b56a6106f97965375d022"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fakecargo-37acc804383e17ef
[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" "14b1a439221453cf39d18d2e95afbc4d0294a99a247b56a6106f97965375d022"`
[INFO] running `"docker" "rm" "-f" "14b1a439221453cf39d18d2e95afbc4d0294a99a247b56a6106f97965375d022"`
[INFO] [stdout] 14b1a439221453cf39d18d2e95afbc4d0294a99a247b56a6106f97965375d022