[INFO] updating cached repository yoshuawuyts/fibonnaci-stream
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yoshuawuyts/fibonnaci-stream
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/fibonnaci-stream" "work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/fibonnaci-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/fibonnaci-stream'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/fibonnaci-stream" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/fibonnaci-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/fibonnaci-stream'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e7594a4aa0c40eb094be9100fc318135a8f411e
[INFO] sha for GitHub repo yoshuawuyts/fibonnaci-stream: 0e7594a4aa0c40eb094be9100fc318135a8f411e
[INFO] validating manifest of yoshuawuyts/fibonnaci-stream 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 yoshuawuyts/fibonnaci-stream 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 yoshuawuyts/fibonnaci-stream
[INFO] finished frobbing yoshuawuyts/fibonnaci-stream
[INFO] frobbed toml for yoshuawuyts/fibonnaci-stream written to work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/fibonnaci-stream/Cargo.toml
[INFO] started frobbing yoshuawuyts/fibonnaci-stream
[INFO] finished frobbing yoshuawuyts/fibonnaci-stream
[INFO] frobbed toml for yoshuawuyts/fibonnaci-stream written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/fibonnaci-stream/Cargo.toml
[INFO] crate yoshuawuyts/fibonnaci-stream 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 yoshuawuyts/fibonnaci-stream 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-4/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/yoshuawuyts/fibonnaci-stream:/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] ad694234d3f10e0d9da95f3672b9fab99722c1eb24325561b1bc30a0b016515b
[INFO] running `"docker" "start" "-a" "ad694234d3f10e0d9da95f3672b9fab99722c1eb24325561b1bc30a0b016515b"`
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling fibonnaci-stream v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |   type Error = 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:20
[INFO] [stderr]    |
[INFO] [stderr] 85 |   type Error = Box<Error>;
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:48
[INFO] [stderr]    |
[INFO] [stderr] 87 |   fn poll(&mut self) -> Result<Async<u64>, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `"docker" "inspect" "ad694234d3f10e0d9da95f3672b9fab99722c1eb24325561b1bc30a0b016515b"`
[INFO] running `"docker" "rm" "-f" "ad694234d3f10e0d9da95f3672b9fab99722c1eb24325561b1bc30a0b016515b"`
[INFO] [stdout] ad694234d3f10e0d9da95f3672b9fab99722c1eb24325561b1bc30a0b016515b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/yoshuawuyts/fibonnaci-stream:/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] 466907e338e8b919c49180203765b1adcda928fd1a2039d7ed66f6d046d1c100
[INFO] running `"docker" "start" "-a" "466907e338e8b919c49180203765b1adcda928fd1a2039d7ed66f6d046d1c100"`
[INFO] [stderr]    Compiling fibonnaci-stream v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |   type Error = 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:20
[INFO] [stderr]    |
[INFO] [stderr] 85 |   type Error = Box<Error>;
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:87:48
[INFO] [stderr]    |
[INFO] [stderr] 87 |   fn poll(&mut self) -> Result<Async<u64>, Box<Error>> {
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "466907e338e8b919c49180203765b1adcda928fd1a2039d7ed66f6d046d1c100"`
[INFO] running `"docker" "rm" "-f" "466907e338e8b919c49180203765b1adcda928fd1a2039d7ed66f6d046d1c100"`
[INFO] [stdout] 466907e338e8b919c49180203765b1adcda928fd1a2039d7ed66f6d046d1c100
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/yoshuawuyts/fibonnaci-stream:/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] b5e8415da3cfe69da3671773d9949c86835d992ae7044445759ffb48b044826a
[INFO] running `"docker" "start" "-a" "b5e8415da3cfe69da3671773d9949c86835d992ae7044445759ffb48b044826a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibonnaci_stream-f18a64bc39ed27f3
[INFO] [stderr]    Doc-tests fibonnaci-stream
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 6) ... ignored
[INFO] [stdout] test src/lib.rs - FibStream (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b5e8415da3cfe69da3671773d9949c86835d992ae7044445759ffb48b044826a"`
[INFO] running `"docker" "rm" "-f" "b5e8415da3cfe69da3671773d9949c86835d992ae7044445759ffb48b044826a"`
[INFO] [stdout] b5e8415da3cfe69da3671773d9949c86835d992ae7044445759ffb48b044826a