[INFO] crate rbx_reflection 3.2.390 is already in cache
[INFO] extracting crate rbx_reflection 3.2.390 into work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_reflection/3.2.390
[INFO] extracting crate rbx_reflection 3.2.390 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbx_reflection/3.2.390
[INFO] validating manifest of rbx_reflection-3.2.390 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 rbx_reflection-3.2.390 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 rbx_reflection-3.2.390
[INFO] finished frobbing rbx_reflection-3.2.390
[INFO] frobbed toml for rbx_reflection-3.2.390 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rbx_reflection/3.2.390/Cargo.toml
[INFO] started frobbing rbx_reflection-3.2.390
[INFO] finished frobbing rbx_reflection-3.2.390
[INFO] frobbed toml for rbx_reflection-3.2.390 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbx_reflection/3.2.390/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rbx_reflection-3.2.390 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/rbx_reflection/3.2.390:/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] 8d88237742b0845c5a2c99ff6df133b806659b420d52ac030c2cfd64575ce668
[INFO] running `"docker" "start" "-a" "8d88237742b0845c5a2c99ff6df133b806659b420d52ac030c2cfd64575ce668"`
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling rbx_dom_weak v1.9.0
[INFO] [stderr]    Compiling rbx_reflection v3.2.390 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.84s
[INFO] running `"docker" "inspect" "8d88237742b0845c5a2c99ff6df133b806659b420d52ac030c2cfd64575ce668"`
[INFO] running `"docker" "rm" "-f" "8d88237742b0845c5a2c99ff6df133b806659b420d52ac030c2cfd64575ce668"`
[INFO] [stdout] 8d88237742b0845c5a2c99ff6df133b806659b420d52ac030c2cfd64575ce668
[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/rbx_reflection/3.2.390:/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] 061b839993fd7b6724ab22388b151093d033985db29db055301ce428cc350e92
[INFO] running `"docker" "start" "-a" "061b839993fd7b6724ab22388b151093d033985db29db055301ce428cc350e92"`
[INFO] [stderr]    Compiling rbx_reflection v3.2.390 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `rbx_reflection`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name rbx_reflection src/lib.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=c783dfb3908924f3 -C extra-filename=-c783dfb3908924f3 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-bcd34e8f74846360.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern rbx_dom_weak=/opt/crater/target/debug/deps/librbx_dom_weak-62af3c9b5d655691.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "061b839993fd7b6724ab22388b151093d033985db29db055301ce428cc350e92"`
[INFO] running `"docker" "rm" "-f" "061b839993fd7b6724ab22388b151093d033985db29db055301ce428cc350e92"`
[INFO] [stdout] 061b839993fd7b6724ab22388b151093d033985db29db055301ce428cc350e92