[INFO] crate memzero 0.1.0 is already in cache
[INFO] extracting crate memzero 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/memzero/0.1.0
[INFO] extracting crate memzero 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memzero/0.1.0
[INFO] validating manifest of memzero-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 memzero-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 memzero-0.1.0
[INFO] finished frobbing memzero-0.1.0
[INFO] frobbed toml for memzero-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/memzero/0.1.0/Cargo.toml
[INFO] started frobbing memzero-0.1.0
[INFO] finished frobbing memzero-0.1.0
[INFO] frobbed toml for memzero-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memzero/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 memzero-0.1.0 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/memzero/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2b71d918e265c2dec39844cec99c3f249c501ead8628c9cb2980e207c89b3570
[INFO] running `"docker" "start" "-a" "2b71d918e265c2dec39844cec99c3f249c501ead8628c9cb2980e207c89b3570"`
[INFO] [stderr]    Compiling memzero v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "2b71d918e265c2dec39844cec99c3f249c501ead8628c9cb2980e207c89b3570"`
[INFO] running `"docker" "rm" "-f" "2b71d918e265c2dec39844cec99c3f249c501ead8628c9cb2980e207c89b3570"`
[INFO] [stdout] 2b71d918e265c2dec39844cec99c3f249c501ead8628c9cb2980e207c89b3570
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/memzero/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d4be7367d774aa9951a81fe390008ce5b8c13f473954d19c7b92e38c4a1bb36d
[INFO] running `"docker" "start" "-a" "d4be7367d774aa9951a81fe390008ce5b8c13f473954d19c7b92e38c4a1bb36d"`
[INFO] [stderr]    Compiling memzero v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "d4be7367d774aa9951a81fe390008ce5b8c13f473954d19c7b92e38c4a1bb36d"`
[INFO] running `"docker" "rm" "-f" "d4be7367d774aa9951a81fe390008ce5b8c13f473954d19c7b92e38c4a1bb36d"`
[INFO] [stdout] d4be7367d774aa9951a81fe390008ce5b8c13f473954d19c7b92e38c4a1bb36d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/memzero/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2a5a782ae56270e59f456ff97e043a2cb6511272f819b11bc936eb3de23898bf
[INFO] running `"docker" "start" "-a" "2a5a782ae56270e59f456ff97e043a2cb6511272f819b11bc936eb3de23898bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/memzero-468f233377827ccb
[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] [stderr]    Doc-tests memzero
[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" "2a5a782ae56270e59f456ff97e043a2cb6511272f819b11bc936eb3de23898bf"`
[INFO] running `"docker" "rm" "-f" "2a5a782ae56270e59f456ff97e043a2cb6511272f819b11bc936eb3de23898bf"`
[INFO] [stdout] 2a5a782ae56270e59f456ff97e043a2cb6511272f819b11bc936eb3de23898bf