[INFO] crate javascriptcore-rs 0.8.0 is already in cache
[INFO] extracting crate javascriptcore-rs 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/javascriptcore-rs/0.8.0
[INFO] extracting crate javascriptcore-rs 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/javascriptcore-rs/0.8.0
[INFO] validating manifest of javascriptcore-rs-0.8.0 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 javascriptcore-rs-0.8.0 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 javascriptcore-rs-0.8.0
[INFO] finished frobbing javascriptcore-rs-0.8.0
[INFO] frobbed toml for javascriptcore-rs-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/javascriptcore-rs/0.8.0/Cargo.toml
[INFO] started frobbing javascriptcore-rs-0.8.0
[INFO] finished frobbing javascriptcore-rs-0.8.0
[INFO] frobbed toml for javascriptcore-rs-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/javascriptcore-rs/0.8.0/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 javascriptcore-rs-0.8.0 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-4/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/javascriptcore-rs/0.8.0:/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] d4d4eb374b4784dc10bd984eda415d0e248dfb94d398238dc1b9b1a744e711a2
[INFO] running `"docker" "start" "-a" "d4d4eb374b4784dc10bd984eda415d0e248dfb94d398238dc1b9b1a744e711a2"`
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling javascriptcore-rs v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `raw`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     raw: JSCValue,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "d4d4eb374b4784dc10bd984eda415d0e248dfb94d398238dc1b9b1a744e711a2"`
[INFO] running `"docker" "rm" "-f" "d4d4eb374b4784dc10bd984eda415d0e248dfb94d398238dc1b9b1a744e711a2"`
[INFO] [stdout] d4d4eb374b4784dc10bd984eda415d0e248dfb94d398238dc1b9b1a744e711a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/javascriptcore-rs/0.8.0:/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] f315c6cee364fb7f9584f2f99560d5ad16d1c816fcc15bb9930c9561edf762b2
[INFO] running `"docker" "start" "-a" "f315c6cee364fb7f9584f2f99560d5ad16d1c816fcc15bb9930c9561edf762b2"`
[INFO] [stderr]    Compiling javascriptcore-rs v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `raw`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     raw: JSCValue,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "f315c6cee364fb7f9584f2f99560d5ad16d1c816fcc15bb9930c9561edf762b2"`
[INFO] running `"docker" "rm" "-f" "f315c6cee364fb7f9584f2f99560d5ad16d1c816fcc15bb9930c9561edf762b2"`
[INFO] [stdout] f315c6cee364fb7f9584f2f99560d5ad16d1c816fcc15bb9930c9561edf762b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/javascriptcore-rs/0.8.0:/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] 4aa2ecae9ec57ec885c9231ad4b04f28f6ef5ab1e770ae37661ed571da8a1dad
[INFO] running `"docker" "start" "-a" "4aa2ecae9ec57ec885c9231ad4b04f28f6ef5ab1e770ae37661ed571da8a1dad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/javascriptcore-74d1cbe8381c3541
[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 javascriptcore
[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" "4aa2ecae9ec57ec885c9231ad4b04f28f6ef5ab1e770ae37661ed571da8a1dad"`
[INFO] running `"docker" "rm" "-f" "4aa2ecae9ec57ec885c9231ad4b04f28f6ef5ab1e770ae37661ed571da8a1dad"`
[INFO] [stdout] 4aa2ecae9ec57ec885c9231ad4b04f28f6ef5ab1e770ae37661ed571da8a1dad