[INFO] updating cached repository kroepke/rate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kroepke/rate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kroepke/rate" "work/ex/beta-1.38-1/sources/1.37.0/gh/kroepke/rate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kroepke/rate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kroepke/rate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kroepke/rate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kroepke/rate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b2633ca0ac876ca8d9431803d4f6a6a8cae0509
[INFO] sha for GitHub repo kroepke/rate: 2b2633ca0ac876ca8d9431803d4f6a6a8cae0509
[INFO] validating manifest of kroepke/rate 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 kroepke/rate 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 kroepke/rate
[INFO] finished frobbing kroepke/rate
[INFO] frobbed toml for kroepke/rate written to work/ex/beta-1.38-1/sources/1.37.0/gh/kroepke/rate/Cargo.toml
[INFO] started frobbing kroepke/rate
[INFO] finished frobbing kroepke/rate
[INFO] frobbed toml for kroepke/rate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kroepke/rate/Cargo.toml
[INFO] crate kroepke/rate 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 kroepke/rate 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-7/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/kroepke/rate:/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] deeabfe6c08cb54e94ea68d186f06269e0c1b9df07c76e94d7ea00a86bb6d61d
[INFO] running `"docker" "start" "-a" "deeabfe6c08cb54e94ea68d186f06269e0c1b9df07c76e94d7ea00a86bb6d61d"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn get_reader<P: AsRef<Path>>(path: P) -> Box<io::BufRead> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut reader: Box<BufRead> = get_reader(path);
[INFO] [stderr]    |                                 ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.89s
[INFO] running `"docker" "inspect" "deeabfe6c08cb54e94ea68d186f06269e0c1b9df07c76e94d7ea00a86bb6d61d"`
[INFO] running `"docker" "rm" "-f" "deeabfe6c08cb54e94ea68d186f06269e0c1b9df07c76e94d7ea00a86bb6d61d"`
[INFO] [stdout] deeabfe6c08cb54e94ea68d186f06269e0c1b9df07c76e94d7ea00a86bb6d61d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/kroepke/rate:/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] 6a069e9e439693891c03801f93f0c4a64bae7578c13928957a1476b8f46fc006
[INFO] running `"docker" "start" "-a" "6a069e9e439693891c03801f93f0c4a64bae7578c13928957a1476b8f46fc006"`
[INFO] [stderr]    Compiling rate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn get_reader<P: AsRef<Path>>(path: P) -> Box<io::BufRead> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut reader: Box<BufRead> = get_reader(path);
[INFO] [stderr]    |                                 ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "6a069e9e439693891c03801f93f0c4a64bae7578c13928957a1476b8f46fc006"`
[INFO] running `"docker" "rm" "-f" "6a069e9e439693891c03801f93f0c4a64bae7578c13928957a1476b8f46fc006"`
[INFO] [stdout] 6a069e9e439693891c03801f93f0c4a64bae7578c13928957a1476b8f46fc006
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/kroepke/rate:/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] f612539a18fb29df93b7e6132c554a5247d632a330996b8c1d4e58d6225efbeb
[INFO] running `"docker" "start" "-a" "f612539a18fb29df93b7e6132c554a5247d632a330996b8c1d4e58d6225efbeb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rate-9711d27ba77467b1
[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" "f612539a18fb29df93b7e6132c554a5247d632a330996b8c1d4e58d6225efbeb"`
[INFO] running `"docker" "rm" "-f" "f612539a18fb29df93b7e6132c554a5247d632a330996b8c1d4e58d6225efbeb"`
[INFO] [stdout] f612539a18fb29df93b7e6132c554a5247d632a330996b8c1d4e58d6225efbeb