[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 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d9188e03d06ea178f614c8ca511e76280d18112e73f4450f35aaec75750586af
[INFO] running `"docker" "start" "-a" "d9188e03d06ea178f614c8ca511e76280d18112e73f4450f35aaec75750586af"`
[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 16.80s
[INFO] running `"docker" "inspect" "d9188e03d06ea178f614c8ca511e76280d18112e73f4450f35aaec75750586af"`
[INFO] running `"docker" "rm" "-f" "d9188e03d06ea178f614c8ca511e76280d18112e73f4450f35aaec75750586af"`
[INFO] [stdout] d9188e03d06ea178f614c8ca511e76280d18112e73f4450f35aaec75750586af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6e24727a0f261cc3bd45d5af291015e1affe1b71e33668686645b5447728d4b
[INFO] running `"docker" "start" "-a" "a6e24727a0f261cc3bd45d5af291015e1affe1b71e33668686645b5447728d4b"`
[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 0.69s
[INFO] running `"docker" "inspect" "a6e24727a0f261cc3bd45d5af291015e1affe1b71e33668686645b5447728d4b"`
[INFO] running `"docker" "rm" "-f" "a6e24727a0f261cc3bd45d5af291015e1affe1b71e33668686645b5447728d4b"`
[INFO] [stdout] a6e24727a0f261cc3bd45d5af291015e1affe1b71e33668686645b5447728d4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d4655a5184b05e91127e0f22f4d956a90e254e06548f768cec522fb3126f2557
[INFO] running `"docker" "start" "-a" "d4655a5184b05e91127e0f22f4d956a90e254e06548f768cec522fb3126f2557"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rate-14601cee3b38b91e
[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" "d4655a5184b05e91127e0f22f4d956a90e254e06548f768cec522fb3126f2557"`
[INFO] running `"docker" "rm" "-f" "d4655a5184b05e91127e0f22f4d956a90e254e06548f768cec522fb3126f2557"`
[INFO] [stdout] d4655a5184b05e91127e0f22f4d956a90e254e06548f768cec522fb3126f2557