[INFO] cloning repository kroepke/rate
[INFO] running `"git" "clone" "--bare" "git://github.com/kroepke/rate.git" "work/cache/sources/gh/kroepke/rate"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kroepke/rate'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kroepke/rate" "work/ex/beta-1.37-6/sources/1.36.0/gh/kroepke/rate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kroepke/rate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kroepke/rate" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kroepke/rate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kroepke/rate 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 kroepke/rate
[INFO] finished frobbing kroepke/rate
[INFO] frobbed toml for kroepke/rate written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 kroepke/rate 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-5/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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8b5fb2871fc1a40e5a07b3ef6266250a717405b735b0674fe5d1e5530db02fc8
[INFO] running `"docker" "start" "-a" "8b5fb2871fc1a40e5a07b3ef6266250a717405b735b0674fe5d1e5530db02fc8"`
[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 2.06s
[INFO] running `"docker" "inspect" "8b5fb2871fc1a40e5a07b3ef6266250a717405b735b0674fe5d1e5530db02fc8"`
[INFO] running `"docker" "rm" "-f" "8b5fb2871fc1a40e5a07b3ef6266250a717405b735b0674fe5d1e5530db02fc8"`
[INFO] [stdout] 8b5fb2871fc1a40e5a07b3ef6266250a717405b735b0674fe5d1e5530db02fc8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc4f9712ae4a5897cc843f54fc46de7018e4a0caef60b739115979f3d9812030
[INFO] running `"docker" "start" "-a" "fc4f9712ae4a5897cc843f54fc46de7018e4a0caef60b739115979f3d9812030"`
[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 0.63s
[INFO] running `"docker" "inspect" "fc4f9712ae4a5897cc843f54fc46de7018e4a0caef60b739115979f3d9812030"`
[INFO] running `"docker" "rm" "-f" "fc4f9712ae4a5897cc843f54fc46de7018e4a0caef60b739115979f3d9812030"`
[INFO] [stdout] fc4f9712ae4a5897cc843f54fc46de7018e4a0caef60b739115979f3d9812030
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a6d0b40d46914fcd2d9c449ccaab07f201d36251593a09f9b4f2eb5a2ec28e39
[INFO] running `"docker" "start" "-a" "a6d0b40d46914fcd2d9c449ccaab07f201d36251593a09f9b4f2eb5a2ec28e39"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rate-45eb9c315d3fc209
[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" "a6d0b40d46914fcd2d9c449ccaab07f201d36251593a09f9b4f2eb5a2ec28e39"`
[INFO] running `"docker" "rm" "-f" "a6d0b40d46914fcd2d9c449ccaab07f201d36251593a09f9b4f2eb5a2ec28e39"`
[INFO] [stdout] a6d0b40d46914fcd2d9c449ccaab07f201d36251593a09f9b4f2eb5a2ec28e39