[INFO] crate nue-io 0.3.0 is already in cache
[INFO] extracting crate nue-io 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/nue-io/0.3.0
[INFO] extracting crate nue-io 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nue-io/0.3.0
[INFO] validating manifest of nue-io-0.3.0 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 nue-io-0.3.0 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 nue-io-0.3.0
[INFO] removed path dependency uninitialized from nue-io-0.3.0
[INFO] finished frobbing nue-io-0.3.0
[INFO] frobbed toml for nue-io-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nue-io/0.3.0/Cargo.toml
[INFO] started frobbing nue-io-0.3.0
[INFO] removed path dependency uninitialized from nue-io-0.3.0
[INFO] finished frobbing nue-io-0.3.0
[INFO] frobbed toml for nue-io-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nue-io/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 nue-io-0.3.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nue-io/0.3.0:/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] 667b07d28eba43c48f6ca8b471ca3271f1d43dd9dfa86dcfdf5b3ef49b01c2a1
[INFO] running `"docker" "start" "-a" "667b07d28eba43c48f6ca8b471ca3271f1d43dd9dfa86dcfdf5b3ef49b01c2a1"`
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling resize-slice v0.1.3
[INFO] [stderr]    Compiling nue-io v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "667b07d28eba43c48f6ca8b471ca3271f1d43dd9dfa86dcfdf5b3ef49b01c2a1"`
[INFO] running `"docker" "rm" "-f" "667b07d28eba43c48f6ca8b471ca3271f1d43dd9dfa86dcfdf5b3ef49b01c2a1"`
[INFO] [stdout] 667b07d28eba43c48f6ca8b471ca3271f1d43dd9dfa86dcfdf5b3ef49b01c2a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nue-io/0.3.0:/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] 24366b41465d80dabb5c667508715fd3859fcfcbda353de61ec2806a4599048f
[INFO] running `"docker" "start" "-a" "24366b41465d80dabb5c667508715fd3859fcfcbda353de61ec2806a4599048f"`
[INFO] [stderr]    Compiling nue-io v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/region.rs:167:16
[INFO] [stderr]     |
[INFO] [stderr] 167 |         region.read_exact(&mut odata).unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `read_exact::ReadExactExt` for the type `_`
[INFO] [stderr]    --> src/read_exact.rs:21:5
[INFO] [stderr]     |
[INFO] [stderr] 21  |     fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2 is defined in an impl of the trait `std::io::Read` for the type `region::Region<_>`
[INFO] [stderr]    --> src/region.rs:65:1
[INFO] [stderr]     |
[INFO] [stderr] 65  | impl<T: Read + Tell + SeekAbsolute> Read for Region<T> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/region.rs:171:16
[INFO] [stderr]     |
[INFO] [stderr] 171 |         region.read_exact(&mut odata[..0x20]).unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `read_exact::ReadExactExt` for the type `_`
[INFO] [stderr]    --> src/read_exact.rs:21:5
[INFO] [stderr]     |
[INFO] [stderr] 21  |     fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2 is defined in an impl of the trait `std::io::Read` for the type `region::Region<_>`
[INFO] [stderr]    --> src/region.rs:65:1
[INFO] [stderr]     |
[INFO] [stderr] 65  | impl<T: Read + Tell + SeekAbsolute> Read for Region<T> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/region.rs:175:16
[INFO] [stderr]     |
[INFO] [stderr] 175 |         region.read_exact(&mut odata[..]).unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `read_exact::ReadExactExt` for the type `_`
[INFO] [stderr]    --> src/read_exact.rs:21:5
[INFO] [stderr]     |
[INFO] [stderr] 21  |     fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: candidate #2 is defined in an impl of the trait `std::io::Read` for the type `region::Region<_>`
[INFO] [stderr]    --> src/region.rs:65:1
[INFO] [stderr]     |
[INFO] [stderr] 65  | impl<T: Read + Tell + SeekAbsolute> Read for Region<T> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]    --> src/region.rs:150:27
[INFO] [stderr]     |
[INFO] [stderr] 150 |     use std::io::{Cursor, Read};
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `read_exact::ReadExactExt`
[INFO] [stderr]    --> src/region.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use read_exact::ReadExactExt;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `nue-io`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "24366b41465d80dabb5c667508715fd3859fcfcbda353de61ec2806a4599048f"`
[INFO] running `"docker" "rm" "-f" "24366b41465d80dabb5c667508715fd3859fcfcbda353de61ec2806a4599048f"`
[INFO] [stdout] 24366b41465d80dabb5c667508715fd3859fcfcbda353de61ec2806a4599048f