[INFO] updating cached repository fedorg/rsbrf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fedorg/rsbrf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fedorg/rsbrf" "work/ex/beta-1.37-6/sources/1.36.0/gh/fedorg/rsbrf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fedorg/rsbrf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fedorg/rsbrf" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fedorg/rsbrf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fedorg/rsbrf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b13b507b6501f1e3001f166b847f6da8323249c
[INFO] sha for GitHub repo fedorg/rsbrf: 2b13b507b6501f1e3001f166b847f6da8323249c
[INFO] validating manifest of fedorg/rsbrf on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fedorg/rsbrf on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fedorg/rsbrf
[INFO] finished frobbing fedorg/rsbrf
[INFO] frobbed toml for fedorg/rsbrf written to work/ex/beta-1.37-6/sources/1.36.0/gh/fedorg/rsbrf/Cargo.toml
[INFO] started frobbing fedorg/rsbrf
[INFO] finished frobbing fedorg/rsbrf
[INFO] frobbed toml for fedorg/rsbrf written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fedorg/rsbrf/Cargo.toml
[INFO] crate fedorg/rsbrf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fedorg/rsbrf against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fedorg/rsbrf:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 1c5b0c251af94c5da883815d09d6584a086b3ffbe1bbfc6f1b3c851f1a26c13b
[INFO] running `"docker" "start" "-a" "1c5b0c251af94c5da883815d09d6584a086b3ffbe1bbfc6f1b3c851f1a26c13b"`
[INFO] [stderr]    Compiling custom_error v1.6.0
[INFO] [stderr]    Compiling rsbrf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `"docker" "inspect" "1c5b0c251af94c5da883815d09d6584a086b3ffbe1bbfc6f1b3c851f1a26c13b"`
[INFO] running `"docker" "rm" "-f" "1c5b0c251af94c5da883815d09d6584a086b3ffbe1bbfc6f1b3c851f1a26c13b"`
[INFO] [stdout] 1c5b0c251af94c5da883815d09d6584a086b3ffbe1bbfc6f1b3c851f1a26c13b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fedorg/rsbrf:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7742e4b29ec258f4f012b563a61aaa2af8bceeaaca6b3e21f862a7afce346659
[INFO] running `"docker" "start" "-a" "7742e4b29ec258f4f012b563a61aaa2af8bceeaaca6b3e21f862a7afce346659"`
[INFO] [stderr]    Compiling rsbrf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "7742e4b29ec258f4f012b563a61aaa2af8bceeaaca6b3e21f862a7afce346659"`
[INFO] running `"docker" "rm" "-f" "7742e4b29ec258f4f012b563a61aaa2af8bceeaaca6b3e21f862a7afce346659"`
[INFO] [stdout] 7742e4b29ec258f4f012b563a61aaa2af8bceeaaca6b3e21f862a7afce346659
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fedorg/rsbrf:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 07647680f1061956112f8f74524885525a0d084ce963b44423a59df725f7a38a
[INFO] running `"docker" "start" "-a" "07647680f1061956112f8f74524885525a0d084ce963b44423a59df725f7a38a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rsbrf-6d4ef25854f851ac
[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" "07647680f1061956112f8f74524885525a0d084ce963b44423a59df725f7a38a"`
[INFO] running `"docker" "rm" "-f" "07647680f1061956112f8f74524885525a0d084ce963b44423a59df725f7a38a"`
[INFO] [stdout] 07647680f1061956112f8f74524885525a0d084ce963b44423a59df725f7a38a