[INFO] crate dot 0.1.4 is already in cache
[INFO] testing dot-0.1.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate dot 0.1.4 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate dot 0.1.4 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 dot 0.1.4
[INFO] finished tweaking crates.io crate dot 0.1.4
[INFO] tweaked toml for crates.io crate dot 0.1.4 written to work/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 1e09cd3feea75af4bbc7396ebde3e0a5a8c3006de43137d6f7c69d6f0e2d5df3
[INFO] running `"docker" "start" "-a" "1e09cd3feea75af4bbc7396ebde3e0a5a8c3006de43137d6f7c69d6f0e2d5df3"`
[INFO] [stderr]    Compiling dot v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:937:13
[INFO] [stderr]     |
[INFO] [stderr] 937 |             try!(w.write_all(s.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:946:5
[INFO] [stderr]     |
[INFO] [stderr] 946 |     try!(writeln(w, &[g.kind().keyword(), " ", g.graph_id().as_slice(), " {"]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:950:9
[INFO] [stderr]     |
[INFO] [stderr] 950 |         try!(indent(w));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:989:9
[INFO] [stderr]     |
[INFO] [stderr] 989 |         try!(writeln(w, &text));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1000:9
[INFO] [stderr]      |
[INFO] [stderr] 1000 |         try!(indent(w));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1051:9
[INFO] [stderr]      |
[INFO] [stderr] 1051 |         try!(writeln(w, &text));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "1e09cd3feea75af4bbc7396ebde3e0a5a8c3006de43137d6f7c69d6f0e2d5df3"`
[INFO] running `"docker" "rm" "-f" "1e09cd3feea75af4bbc7396ebde3e0a5a8c3006de43137d6f7c69d6f0e2d5df3"`
[INFO] [stdout] 1e09cd3feea75af4bbc7396ebde3e0a5a8c3006de43137d6f7c69d6f0e2d5df3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 169f0a022ba0b3da8fd8c8352c5896ce9ecb8472059419e4458569351c19ffff
[INFO] running `"docker" "start" "-a" "169f0a022ba0b3da8fd8c8352c5896ce9ecb8472059419e4458569351c19ffff"`
[INFO] [stderr]    Compiling dot v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:937:13
[INFO] [stderr]     |
[INFO] [stderr] 937 |             try!(w.write_all(s.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:946:5
[INFO] [stderr]     |
[INFO] [stderr] 946 |     try!(writeln(w, &[g.kind().keyword(), " ", g.graph_id().as_slice(), " {"]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:950:9
[INFO] [stderr]     |
[INFO] [stderr] 950 |         try!(indent(w));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:989:9
[INFO] [stderr]     |
[INFO] [stderr] 989 |         try!(writeln(w, &text));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1000:9
[INFO] [stderr]      |
[INFO] [stderr] 1000 |         try!(indent(w));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1051:9
[INFO] [stderr]      |
[INFO] [stderr] 1051 |         try!(writeln(w, &text));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1294:9
[INFO] [stderr]      |
[INFO] [stderr] 1294 |         try!(Read::read_to_string(&mut &*writer, &mut s));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/lib.rs:1592:9
[INFO] [stderr]      |
[INFO] [stderr] 1592 |         try!(Read::read_to_string(&mut &*writer, &mut s));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "169f0a022ba0b3da8fd8c8352c5896ce9ecb8472059419e4458569351c19ffff"`
[INFO] running `"docker" "rm" "-f" "169f0a022ba0b3da8fd8c8352c5896ce9ecb8472059419e4458569351c19ffff"`
[INFO] [stdout] 169f0a022ba0b3da8fd8c8352c5896ce9ecb8472059419e4458569351c19ffff
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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"`
[INFO] [stdout] 522fae5f03040742e672bab3d4d13bd5d764e5ad1c3ab10505d4ccf8402e002e
[INFO] running `"docker" "start" "-a" "522fae5f03040742e672bab3d4d13bd5d764e5ad1c3ab10505d4ccf8402e002e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dot-a008a32b2b3cdbdc
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::empty_graph ... ok
[INFO] [stdout] test tests::default_style_digraph ... ok
[INFO] [stdout] test tests::default_style_graph ... ok
[INFO] [stdout] test tests::invisible ... ok
[INFO] [stdout] test tests::simple_id_construction ... ok
[INFO] [stdout] test tests::hasse_diagram ... ok
[INFO] [stdout] test tests::single_cyclic_node ... ok
[INFO] [stdout] test tests::left_aligned_text ... ok
[INFO] [stdout] test tests::single_edge_with_style ... ok
[INFO] [stdout] test tests::single_edge ... ok
[INFO] [stdout] test tests::single_node ... ok
[INFO] [stdout] test tests::badly_formatted_id ... ok
[INFO] [stdout] test tests::test_some_arrow ... ok
[INFO] [stdout] test tests::test_some_arrows ... ok
[INFO] [stdout] test tests::test_some_labelled ... ok
[INFO] [stdout] test tests::single_node_with_style ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dot
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 107) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 250) ... ok
[INFO] [stdout] test src/lib.rs -  (line 96) ... ok
[INFO] [stdout] test src/lib.rs -  (line 187) ... ok
[INFO] [stdout] test src/lib.rs -  (line 149) ... ok
[INFO] [stdout] test src/lib.rs -  (line 49) ... ok
[INFO] [stdout] test src/lib.rs -  (line 204) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "522fae5f03040742e672bab3d4d13bd5d764e5ad1c3ab10505d4ccf8402e002e"`
[INFO] running `"docker" "rm" "-f" "522fae5f03040742e672bab3d4d13bd5d764e5ad1c3ab10505d4ccf8402e002e"`
[INFO] [stdout] 522fae5f03040742e672bab3d4d13bd5d764e5ad1c3ab10505d4ccf8402e002e