[INFO] updating cached repository movrsprbp/rust-spectre
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/movrsprbp/rust-spectre
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/movrsprbp/rust-spectre" "work/ex/beta-1.38-1/sources/1.37.0/gh/movrsprbp/rust-spectre"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/movrsprbp/rust-spectre'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/movrsprbp/rust-spectre" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/movrsprbp/rust-spectre"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/movrsprbp/rust-spectre'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 02d2ba74c9fc7c2535eca2cbe25504cba5960e3c
[INFO] sha for GitHub repo movrsprbp/rust-spectre: 02d2ba74c9fc7c2535eca2cbe25504cba5960e3c
[INFO] validating manifest of movrsprbp/rust-spectre 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 movrsprbp/rust-spectre 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 movrsprbp/rust-spectre
[INFO] finished frobbing movrsprbp/rust-spectre
[INFO] frobbed toml for movrsprbp/rust-spectre written to work/ex/beta-1.38-1/sources/1.37.0/gh/movrsprbp/rust-spectre/Cargo.toml
[INFO] started frobbing movrsprbp/rust-spectre
[INFO] finished frobbing movrsprbp/rust-spectre
[INFO] frobbed toml for movrsprbp/rust-spectre written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/movrsprbp/rust-spectre/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 movrsprbp/rust-spectre 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/gh/movrsprbp/rust-spectre:/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] ded18b3e7741e43ed0ff99a1ec88ac5d6947db30963caed7805527fc13f530c2
[INFO] running `"docker" "start" "-a" "ded18b3e7741e43ed0ff99a1ec88ac5d6947db30963caed7805527fc13f530c2"`
[INFO] [stderr]    Compiling spectre v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `unused1`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     unused1: [u8; 64],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `unused2`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     unused2: [u8; 64],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "ded18b3e7741e43ed0ff99a1ec88ac5d6947db30963caed7805527fc13f530c2"`
[INFO] running `"docker" "rm" "-f" "ded18b3e7741e43ed0ff99a1ec88ac5d6947db30963caed7805527fc13f530c2"`
[INFO] [stdout] ded18b3e7741e43ed0ff99a1ec88ac5d6947db30963caed7805527fc13f530c2
[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/gh/movrsprbp/rust-spectre:/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] c6c1d316b121fff6417501bd461f72c726d3c2727b563b6b8bf53dc4bf05257e
[INFO] running `"docker" "start" "-a" "c6c1d316b121fff6417501bd461f72c726d3c2727b563b6b8bf53dc4bf05257e"`
[INFO] [stderr]    Compiling spectre v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `unused1`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     unused1: [u8; 64],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `unused2`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     unused2: [u8; 64],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "c6c1d316b121fff6417501bd461f72c726d3c2727b563b6b8bf53dc4bf05257e"`
[INFO] running `"docker" "rm" "-f" "c6c1d316b121fff6417501bd461f72c726d3c2727b563b6b8bf53dc4bf05257e"`
[INFO] [stdout] c6c1d316b121fff6417501bd461f72c726d3c2727b563b6b8bf53dc4bf05257e
[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/gh/movrsprbp/rust-spectre:/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] 050b4f2dfdb022b49563b54a66e7207a5ead83cb7e19e72573f94352743d556b
[INFO] running `"docker" "start" "-a" "050b4f2dfdb022b49563b54a66e7207a5ead83cb7e19e72573f94352743d556b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spectre-e8e992864cf99396
[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" "050b4f2dfdb022b49563b54a66e7207a5ead83cb7e19e72573f94352743d556b"`
[INFO] running `"docker" "rm" "-f" "050b4f2dfdb022b49563b54a66e7207a5ead83cb7e19e72573f94352743d556b"`
[INFO] [stdout] 050b4f2dfdb022b49563b54a66e7207a5ead83cb7e19e72573f94352743d556b