[INFO] crate rusty-bus 0.0.1 is already in cache
[INFO] extracting crate rusty-bus 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rusty-bus/0.0.1
[INFO] extracting crate rusty-bus 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusty-bus/0.0.1
[INFO] validating manifest of rusty-bus-0.0.1 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 rusty-bus-0.0.1 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 rusty-bus-0.0.1
[INFO] finished frobbing rusty-bus-0.0.1
[INFO] frobbed toml for rusty-bus-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rusty-bus/0.0.1/Cargo.toml
[INFO] started frobbing rusty-bus-0.0.1
[INFO] finished frobbing rusty-bus-0.0.1
[INFO] frobbed toml for rusty-bus-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rusty-bus/0.0.1/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 rusty-bus-0.0.1 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/rusty-bus/0.0.1:/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] 13bf646bf693e66e5c70d9ea8315a73d9e8c0063e6856c0f0f5b3693148e09b9
[INFO] running `"docker" "start" "-a" "13bf646bf693e66e5c70d9ea8315a73d9e8c0063e6856c0f0f5b3693148e09b9"`
[INFO] [stderr]    Compiling rusty-bus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `"docker" "inspect" "13bf646bf693e66e5c70d9ea8315a73d9e8c0063e6856c0f0f5b3693148e09b9"`
[INFO] running `"docker" "rm" "-f" "13bf646bf693e66e5c70d9ea8315a73d9e8c0063e6856c0f0f5b3693148e09b9"`
[INFO] [stdout] 13bf646bf693e66e5c70d9ea8315a73d9e8c0063e6856c0f0f5b3693148e09b9
[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/rusty-bus/0.0.1:/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] d61027fed259d5cd2359d0bb6632cb36a9e7a251ca3f04e5d1b3fca539908ba0
[INFO] running `"docker" "start" "-a" "d61027fed259d5cd2359d0bb6632cb36a9e7a251ca3f04e5d1b3fca539908ba0"`
[INFO] [stderr]    Compiling rusty-bus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "d61027fed259d5cd2359d0bb6632cb36a9e7a251ca3f04e5d1b3fca539908ba0"`
[INFO] running `"docker" "rm" "-f" "d61027fed259d5cd2359d0bb6632cb36a9e7a251ca3f04e5d1b3fca539908ba0"`
[INFO] [stdout] d61027fed259d5cd2359d0bb6632cb36a9e7a251ca3f04e5d1b3fca539908ba0
[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/rusty-bus/0.0.1:/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] 652b2f08182e2f947dcab0e45ed55153235494cc1ac19472ae61698d1cea46a6
[INFO] running `"docker" "start" "-a" "652b2f08182e2f947dcab0e45ed55153235494cc1ac19472ae61698d1cea46a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_bus-84d516399b283459
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty-bus
[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" "652b2f08182e2f947dcab0e45ed55153235494cc1ac19472ae61698d1cea46a6"`
[INFO] running `"docker" "rm" "-f" "652b2f08182e2f947dcab0e45ed55153235494cc1ac19472ae61698d1cea46a6"`
[INFO] [stdout] 652b2f08182e2f947dcab0e45ed55153235494cc1ac19472ae61698d1cea46a6