[INFO] crate malloc 0.0.0 is already in cache
[INFO] extracting crate malloc 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/malloc/0.0.0
[INFO] extracting crate malloc 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/malloc/0.0.0
[INFO] validating manifest of malloc-0.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of malloc-0.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing malloc-0.0.0
[INFO] finished frobbing malloc-0.0.0
[INFO] frobbed toml for malloc-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/malloc/0.0.0/Cargo.toml
[INFO] started frobbing malloc-0.0.0
[INFO] finished frobbing malloc-0.0.0
[INFO] frobbed toml for malloc-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/malloc/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing malloc-0.0.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/malloc/0.0.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] e510f84f5a51f1294d82b7d58f6f8d5f98e248aba8098b2db491917b80836f57
[INFO] running `"docker" "start" "-a" "e510f84f5a51f1294d82b7d58f6f8d5f98e248aba8098b2db491917b80836f57"`
[INFO] [stderr]    Compiling malloc v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "e510f84f5a51f1294d82b7d58f6f8d5f98e248aba8098b2db491917b80836f57"`
[INFO] running `"docker" "rm" "-f" "e510f84f5a51f1294d82b7d58f6f8d5f98e248aba8098b2db491917b80836f57"`
[INFO] [stdout] e510f84f5a51f1294d82b7d58f6f8d5f98e248aba8098b2db491917b80836f57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/malloc/0.0.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a27c9aaa1d5eefa49e12715046b30a1372889f77e26af38cef4a687e5beef0a2
[INFO] running `"docker" "start" "-a" "a27c9aaa1d5eefa49e12715046b30a1372889f77e26af38cef4a687e5beef0a2"`
[INFO] [stderr]    Compiling malloc v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "a27c9aaa1d5eefa49e12715046b30a1372889f77e26af38cef4a687e5beef0a2"`
[INFO] running `"docker" "rm" "-f" "a27c9aaa1d5eefa49e12715046b30a1372889f77e26af38cef4a687e5beef0a2"`
[INFO] [stdout] a27c9aaa1d5eefa49e12715046b30a1372889f77e26af38cef4a687e5beef0a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/malloc/0.0.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 40168af260456cc7bd98d4e480e30cbdfcc08181176a766f23b6b2c9d7597fe5
[INFO] running `"docker" "start" "-a" "40168af260456cc7bd98d4e480e30cbdfcc08181176a766f23b6b2c9d7597fe5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/malloc-4b74684872de3b16
[INFO] [stderr] error: process didn't exit successfully: `/opt/crater/target/debug/deps/malloc-4b74684872de3b16` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `"docker" "inspect" "40168af260456cc7bd98d4e480e30cbdfcc08181176a766f23b6b2c9d7597fe5"`
[INFO] running `"docker" "rm" "-f" "40168af260456cc7bd98d4e480e30cbdfcc08181176a766f23b6b2c9d7597fe5"`
[INFO] [stdout] 40168af260456cc7bd98d4e480e30cbdfcc08181176a766f23b6b2c9d7597fe5