[INFO] crate ipv8 0.1.0 is already in cache
[INFO] extracting crate ipv8 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ipv8/0.1.0
[INFO] extracting crate ipv8 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ipv8/0.1.0
[INFO] validating manifest of ipv8-0.1.0 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 ipv8-0.1.0 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 ipv8-0.1.0
[INFO] finished frobbing ipv8-0.1.0
[INFO] frobbed toml for ipv8-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ipv8/0.1.0/Cargo.toml
[INFO] started frobbing ipv8-0.1.0
[INFO] finished frobbing ipv8-0.1.0
[INFO] frobbed toml for ipv8-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ipv8/0.1.0/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 ipv8-0.1.0 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ipv8/0.1.0:/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] 94842d720b680f2ab881b5d3b072d7792b932e3cf65359324f9d9407d1289f11
[INFO] running `"docker" "start" "-a" "94842d720b680f2ab881b5d3b072d7792b932e3cf65359324f9d9407d1289f11"`
[INFO] [stderr]    Compiling ipv8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]  --> src/ipv8.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   config: Config,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "94842d720b680f2ab881b5d3b072d7792b932e3cf65359324f9d9407d1289f11"`
[INFO] running `"docker" "rm" "-f" "94842d720b680f2ab881b5d3b072d7792b932e3cf65359324f9d9407d1289f11"`
[INFO] [stdout] 94842d720b680f2ab881b5d3b072d7792b932e3cf65359324f9d9407d1289f11
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ipv8/0.1.0:/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] 74626ddffe9698e4c8ec071f29b0cf655a6e3d79fdc144e3ebe917ba7ba130fa
[INFO] running `"docker" "start" "-a" "74626ddffe9698e4c8ec071f29b0cf655a6e3d79fdc144e3ebe917ba7ba130fa"`
[INFO] [stderr]    Compiling ipv8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]  --> src/ipv8.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   config: Config,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "74626ddffe9698e4c8ec071f29b0cf655a6e3d79fdc144e3ebe917ba7ba130fa"`
[INFO] running `"docker" "rm" "-f" "74626ddffe9698e4c8ec071f29b0cf655a6e3d79fdc144e3ebe917ba7ba130fa"`
[INFO] [stdout] 74626ddffe9698e4c8ec071f29b0cf655a6e3d79fdc144e3ebe917ba7ba130fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ipv8/0.1.0:/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"`
[INFO] [stdout] 2404e5eb2abe58a03d4f2b1f43f11770cd06015a909c8d86c34d7c1bb25065b5
[INFO] running `"docker" "start" "-a" "2404e5eb2abe58a03d4f2b1f43f11770cd06015a909c8d86c34d7c1bb25065b5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ipv8-2940842192e37deb
[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] [stderr]    Doc-tests ipv8
[INFO] [stderr] error[E0659]: `ipv8` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ipv8::IPv8;
[INFO] [stderr]   |     ^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ipv8` could refer to an extern crate passed with `--extern`
[INFO] [stderr]   = help: use `::ipv8` to refer to this extern crate unambiguously
[INFO] [stderr] note: `ipv8` could also refer to the module defined here
[INFO] [stderr]  --> /opt/crater/workdir/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | mod ipv8;
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   = help: use `crate::ipv8` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[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" "2404e5eb2abe58a03d4f2b1f43f11770cd06015a909c8d86c34d7c1bb25065b5"`
[INFO] running `"docker" "rm" "-f" "2404e5eb2abe58a03d4f2b1f43f11770cd06015a909c8d86c34d7c1bb25065b5"`
[INFO] [stdout] 2404e5eb2abe58a03d4f2b1f43f11770cd06015a909c8d86c34d7c1bb25065b5