[INFO] fetching crate dot-writer 0.1.2...
[INFO] testing dot-writer-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dot-writer 0.1.2 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate dot-writer 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dot-writer 0.1.2
[INFO] finished tweaking crates.io crate dot-writer 0.1.2
[INFO] tweaked toml for crates.io crate dot-writer 0.1.2 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bcfec2cebacdf4a2a141bf97ddd2f85442ae4c5aeacb4ac5ef3613c1a50d93c
[INFO] running `Command { std: "docker" "start" "-a" "0bcfec2cebacdf4a2a141bf97ddd2f85442ae4c5aeacb4ac5ef3613c1a50d93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcfec2cebacdf4a2a141bf97ddd2f85442ae4c5aeacb4ac5ef3613c1a50d93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcfec2cebacdf4a2a141bf97ddd2f85442ae4c5aeacb4ac5ef3613c1a50d93c", kill_on_drop: false }`
[INFO] [stdout] 0bcfec2cebacdf4a2a141bf97ddd2f85442ae4c5aeacb4ac5ef3613c1a50d93c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb8edbc4741e77fdf7c002ed2eaa7428b3d8feae6a593798e16547bf4245442c
[INFO] running `Command { std: "docker" "start" "-a" "fb8edbc4741e77fdf7c002ed2eaa7428b3d8feae6a593798e16547bf4245442c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot-writer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "fb8edbc4741e77fdf7c002ed2eaa7428b3d8feae6a593798e16547bf4245442c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8edbc4741e77fdf7c002ed2eaa7428b3d8feae6a593798e16547bf4245442c", kill_on_drop: false }`
[INFO] [stdout] fb8edbc4741e77fdf7c002ed2eaa7428b3d8feae6a593798e16547bf4245442c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbe8da2b69e493ce62fd247d4eb600c631388e482e8bb53fce1903089999c6be
[INFO] running `Command { std: "docker" "start" "-a" "cbe8da2b69e493ce62fd247d4eb600c631388e482e8bb53fce1903089999c6be", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot-writer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "cbe8da2b69e493ce62fd247d4eb600c631388e482e8bb53fce1903089999c6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe8da2b69e493ce62fd247d4eb600c631388e482e8bb53fce1903089999c6be", kill_on_drop: false }`
[INFO] [stdout] cbe8da2b69e493ce62fd247d4eb600c631388e482e8bb53fce1903089999c6be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1f3b26b78d77cf9880fe3ffd2619b6b758393347640bcee1700e626e0102635
[INFO] running `Command { std: "docker" "start" "-a" "c1f3b26b78d77cf9880fe3ffd2619b6b758393347640bcee1700e626e0102635", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dot_writer-d653e856bf21e412)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test scope::test::test_manual_and_auto_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-33df97568b57d8de)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests dot-writer
[INFO] [stdout] test test_nested_subgraphs ... ok
[INFO] [stdout] test test_pretty_printing ... ok
[INFO] [stdout] test test_trivial_graphs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/writer.rs - writer::DotWriter::set_pretty_print (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/scope.rs - scope::Scope::edge (line 89) ... ok
[INFO] [stdout] test src/writer.rs - writer::DotWriter::set_pretty_print (line 42) ... ok
[INFO] [stdout] test src/writer.rs - writer::DotWriter::write_string (line 131) ... ok
[INFO] [stdout] test src/writer.rs - writer::DotWriter::graph (line 87) ... ok
[INFO] [stdout] test src/scope.rs - scope::Scope::edges (line 117) ... ok
[INFO] [stdout] test src/writer.rs - writer::DotWriter::digraph (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/scope.rs - scope::EdgeList::edge (line 191) ... ok
[INFO] [stdout] test src/scope.rs - scope::Node::id (line 244) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1f3b26b78d77cf9880fe3ffd2619b6b758393347640bcee1700e626e0102635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f3b26b78d77cf9880fe3ffd2619b6b758393347640bcee1700e626e0102635", kill_on_drop: false }`
[INFO] [stdout] c1f3b26b78d77cf9880fe3ffd2619b6b758393347640bcee1700e626e0102635