[INFO] updating cached repository jaredforth/drake_equation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaredforth/drake_equation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaredforth/drake_equation" "work/ex/beta-1.38-1/sources/1.37.0/gh/jaredforth/drake_equation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jaredforth/drake_equation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaredforth/drake_equation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaredforth/drake_equation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaredforth/drake_equation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52216454ee23b55d50c4d0a23ac6b3b0e10fe853
[INFO] sha for GitHub repo jaredforth/drake_equation: 52216454ee23b55d50c4d0a23ac6b3b0e10fe853
[INFO] validating manifest of jaredforth/drake_equation 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 jaredforth/drake_equation 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 jaredforth/drake_equation
[INFO] finished frobbing jaredforth/drake_equation
[INFO] frobbed toml for jaredforth/drake_equation written to work/ex/beta-1.38-1/sources/1.37.0/gh/jaredforth/drake_equation/Cargo.toml
[INFO] started frobbing jaredforth/drake_equation
[INFO] finished frobbing jaredforth/drake_equation
[INFO] frobbed toml for jaredforth/drake_equation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaredforth/drake_equation/Cargo.toml
[INFO] crate jaredforth/drake_equation already has a lockfile, it will not be regenerated
[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 jaredforth/drake_equation 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jaredforth/drake_equation:/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] ce6b8777255439188c1bb7624fa8bb198dfae8b74adf153bd2ff6744b14791b1
[INFO] running `"docker" "start" "-a" "ce6b8777255439188c1bb7624fa8bb198dfae8b74adf153bd2ff6744b14791b1"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling ryu v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling drake_equation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.41s
[INFO] running `"docker" "inspect" "ce6b8777255439188c1bb7624fa8bb198dfae8b74adf153bd2ff6744b14791b1"`
[INFO] running `"docker" "rm" "-f" "ce6b8777255439188c1bb7624fa8bb198dfae8b74adf153bd2ff6744b14791b1"`
[INFO] [stdout] ce6b8777255439188c1bb7624fa8bb198dfae8b74adf153bd2ff6744b14791b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jaredforth/drake_equation:/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] 3b9d6d73d3a4e4cdadc586190d0148da57a481ff4db33e788f8d934d14624445
[INFO] running `"docker" "start" "-a" "3b9d6d73d3a4e4cdadc586190d0148da57a481ff4db33e788f8d934d14624445"`
[INFO] [stderr]    Compiling drake_equation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "3b9d6d73d3a4e4cdadc586190d0148da57a481ff4db33e788f8d934d14624445"`
[INFO] running `"docker" "rm" "-f" "3b9d6d73d3a4e4cdadc586190d0148da57a481ff4db33e788f8d934d14624445"`
[INFO] [stdout] 3b9d6d73d3a4e4cdadc586190d0148da57a481ff4db33e788f8d934d14624445
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jaredforth/drake_equation:/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] ea4df85ebeecc6cc94d99c7e892cc0a83f1b06272fe40809fd7f6a19ed51a8f5
[INFO] running `"docker" "start" "-a" "ea4df85ebeecc6cc94d99c7e892cc0a83f1b06272fe40809fd7f6a19ed51a8f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/drake_equation-a9bcb65b00d9382f
[INFO] [stderr]      Running /opt/crater/target/debug/deps/drake_equation-bcb12b7d993c5cd1
[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] [stdout] 
[INFO] [stderr]    Doc-tests drake_equation
[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] [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" "ea4df85ebeecc6cc94d99c7e892cc0a83f1b06272fe40809fd7f6a19ed51a8f5"`
[INFO] running `"docker" "rm" "-f" "ea4df85ebeecc6cc94d99c7e892cc0a83f1b06272fe40809fd7f6a19ed51a8f5"`
[INFO] [stdout] ea4df85ebeecc6cc94d99c7e892cc0a83f1b06272fe40809fd7f6a19ed51a8f5