[INFO] crate casper 0.1.0 is already in cache
[INFO] extracting crate casper 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/casper/0.1.0
[INFO] extracting crate casper 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/casper/0.1.0
[INFO] validating manifest of casper-0.1.0 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 casper-0.1.0 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 casper-0.1.0
[INFO] finished frobbing casper-0.1.0
[INFO] frobbed toml for casper-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/casper/0.1.0/Cargo.toml
[INFO] started frobbing casper-0.1.0
[INFO] finished frobbing casper-0.1.0
[INFO] frobbed toml for casper-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/casper/0.1.0/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 casper-0.1.0 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-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/reg/casper/0.1.0:/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] cd7b09d317bc410494652439d8938e60d8a4213250e144b6fcba2f7d7c69a056
[INFO] running `"docker" "start" "-a" "cd7b09d317bc410494652439d8938e60d8a4213250e144b6fcba2f7d7c69a056"`
[INFO] [stderr]    Compiling casper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "cd7b09d317bc410494652439d8938e60d8a4213250e144b6fcba2f7d7c69a056"`
[INFO] running `"docker" "rm" "-f" "cd7b09d317bc410494652439d8938e60d8a4213250e144b6fcba2f7d7c69a056"`
[INFO] [stdout] cd7b09d317bc410494652439d8938e60d8a4213250e144b6fcba2f7d7c69a056
[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/reg/casper/0.1.0:/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] d53b6c749792854ac2004dfe057143e3db1155720d241e23d80392beae863a3d
[INFO] running `"docker" "start" "-a" "d53b6c749792854ac2004dfe057143e3db1155720d241e23d80392beae863a3d"`
[INFO] [stderr]    Compiling casper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "d53b6c749792854ac2004dfe057143e3db1155720d241e23d80392beae863a3d"`
[INFO] running `"docker" "rm" "-f" "d53b6c749792854ac2004dfe057143e3db1155720d241e23d80392beae863a3d"`
[INFO] [stdout] d53b6c749792854ac2004dfe057143e3db1155720d241e23d80392beae863a3d
[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/reg/casper/0.1.0:/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] 9b6695b3e6fa57f53a0a0f7faabcba32d115a87648ac5446bea8f17640040c11
[INFO] running `"docker" "start" "-a" "9b6695b3e6fa57f53a0a0f7faabcba32d115a87648ac5446bea8f17640040c11"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/casper-52e0dc35a5dfdef5
[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" "9b6695b3e6fa57f53a0a0f7faabcba32d115a87648ac5446bea8f17640040c11"`
[INFO] running `"docker" "rm" "-f" "9b6695b3e6fa57f53a0a0f7faabcba32d115a87648ac5446bea8f17640040c11"`
[INFO] [stdout] 9b6695b3e6fa57f53a0a0f7faabcba32d115a87648ac5446bea8f17640040c11