[INFO] updating cached repository izumariu/dftools
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/izumariu/dftools
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/izumariu/dftools" "work/ex/beta-1.38-1/sources/1.37.0/gh/izumariu/dftools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/izumariu/dftools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/izumariu/dftools" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/izumariu/dftools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/izumariu/dftools'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 368714ff0a7924dca75314c3abc5f5d8ee4a9618
[INFO] sha for GitHub repo izumariu/dftools: 368714ff0a7924dca75314c3abc5f5d8ee4a9618
[INFO] validating manifest of izumariu/dftools 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 izumariu/dftools 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 izumariu/dftools
[INFO] finished frobbing izumariu/dftools
[INFO] frobbed toml for izumariu/dftools written to work/ex/beta-1.38-1/sources/1.37.0/gh/izumariu/dftools/Cargo.toml
[INFO] started frobbing izumariu/dftools
[INFO] finished frobbing izumariu/dftools
[INFO] frobbed toml for izumariu/dftools written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/izumariu/dftools/Cargo.toml
[INFO] crate izumariu/dftools 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 izumariu/dftools 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-0/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/izumariu/dftools:/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] b7880d7cf2d53b53a2000b53a9f6f380267a24a1b25f3c1fc5f49899abd6a48c
[INFO] running `"docker" "start" "-a" "b7880d7cf2d53b53a2000b53a9f6f380267a24a1b25f3c1fc5f49899abd6a48c"`
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling crc32fast v1.0.3
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.0
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.16
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling dftools v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: the trait bound `std::string::String: std::io::Read` is not satisfied
[INFO] [stderr]   --> src/main.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let br = BufReader::new(the_zip);
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `std::io::BufReader::<R>::new`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `dftools`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b7880d7cf2d53b53a2000b53a9f6f380267a24a1b25f3c1fc5f49899abd6a48c"`
[INFO] running `"docker" "rm" "-f" "b7880d7cf2d53b53a2000b53a9f6f380267a24a1b25f3c1fc5f49899abd6a48c"`
[INFO] [stdout] b7880d7cf2d53b53a2000b53a9f6f380267a24a1b25f3c1fc5f49899abd6a48c