[INFO] crate rs-graph 0.17.1 is already in cache
[INFO] testing rs-graph-0.17.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rs-graph 0.17.1 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate rs-graph 0.17.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rs-graph 0.17.1
[INFO] removed 3 missing examples
[INFO] finished tweaking crates.io crate rs-graph 0.17.1
[INFO] tweaked toml for crates.io crate rs-graph 0.17.1 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5e44f39a59acd93a158bfd806ab0e2704bf28632bdd48b64e8a4beaccb02b757
[INFO] running `"docker" "start" "-a" "5e44f39a59acd93a158bfd806ab0e2704bf28632bdd48b64e8a4beaccb02b757"`
[INFO] [stderr]    Compiling rs-graph v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `"docker" "inspect" "5e44f39a59acd93a158bfd806ab0e2704bf28632bdd48b64e8a4beaccb02b757"`
[INFO] running `"docker" "rm" "-f" "5e44f39a59acd93a158bfd806ab0e2704bf28632bdd48b64e8a4beaccb02b757"`
[INFO] [stdout] 5e44f39a59acd93a158bfd806ab0e2704bf28632bdd48b64e8a4beaccb02b757
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9391d79af3a1746bfd2167d74205a7aeb82b16e261738bd9928df00204386a0
[INFO] running `"docker" "start" "-a" "b9391d79af3a1746bfd2167d74205a7aeb82b16e261738bd9928df00204386a0"`
[INFO] [stderr]    Compiling rustop v1.0.4
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rs-graph v0.17.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `dimacs` in `rs_graph`
[INFO] [stderr]   --> examples/dinic.rs:23:15
[INFO] [stderr]    |
[INFO] [stderr] 23 | use rs_graph::dimacs::maxflow::Instance;
[INFO] [stderr]    |               ^^^^^^ could not find `dimacs` in `rs_graph`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `dimacs` in `rs_graph`
[INFO] [stderr]   --> examples/edmondskarp.rs:23:15
[INFO] [stderr]    |
[INFO] [stderr] 23 | use rs_graph::dimacs::maxflow::Instance;
[INFO] [stderr]    |               ^^^^^^ could not find `dimacs` in `rs_graph`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Instance`
[INFO] [stderr]   --> examples/edmondskarp.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let instance = Instance::<_, i32, _>::read(&args.file).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `Instance`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Instance`
[INFO] [stderr]   --> examples/dinic.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let instance = Instance::<_, i32, _>::read(&args.file).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `Instance`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `dimacs` in `rs_graph`
[INFO] [stderr]   --> examples/pushrelabel.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | use rs_graph::dimacs::maxflow::Instance;
[INFO] [stderr]    |               ^^^^^^ could not find `dimacs` in `rs_graph`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Instance`
[INFO] [stderr]   --> examples/pushrelabel.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let instance = Instance::<_, F, _>::read(filename).unwrap();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `Instance`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `rs-graph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `rs-graph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rs-graph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b9391d79af3a1746bfd2167d74205a7aeb82b16e261738bd9928df00204386a0"`
[INFO] running `"docker" "rm" "-f" "b9391d79af3a1746bfd2167d74205a7aeb82b16e261738bd9928df00204386a0"`
[INFO] [stdout] b9391d79af3a1746bfd2167d74205a7aeb82b16e261738bd9928df00204386a0