[INFO] fetching crate dot-writer 0.1.2...
[INFO] testing dot-writer-0.1.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate dot-writer 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dot-writer 0.1.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c50d85b327adb746cda35e804a7b51b8bcbaf902b903f974247151bab2bdef24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c50d85b327adb746cda35e804a7b51b8bcbaf902b903f974247151bab2bdef24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50d85b327adb746cda35e804a7b51b8bcbaf902b903f974247151bab2bdef24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50d85b327adb746cda35e804a7b51b8bcbaf902b903f974247151bab2bdef24", kill_on_drop: false }`
[INFO] [stdout] c50d85b327adb746cda35e804a7b51b8bcbaf902b903f974247151bab2bdef24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff705e9a95e51aa15772a56dee7a1e49fd5b315908776d55059e4126766339f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ff705e9a95e51aa15772a56dee7a1e49fd5b315908776d55059e4126766339f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot-writer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "3ff705e9a95e51aa15772a56dee7a1e49fd5b315908776d55059e4126766339f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff705e9a95e51aa15772a56dee7a1e49fd5b315908776d55059e4126766339f", kill_on_drop: false }`
[INFO] [stdout] 3ff705e9a95e51aa15772a56dee7a1e49fd5b315908776d55059e4126766339f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 506597ddce3bdc2736e33e7df6c3333f9e73aa3f7afc12bf99ced08c3d617da4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "506597ddce3bdc2736e33e7df6c3333f9e73aa3f7afc12bf99ced08c3d617da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot-writer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "506597ddce3bdc2736e33e7df6c3333f9e73aa3f7afc12bf99ced08c3d617da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506597ddce3bdc2736e33e7df6c3333f9e73aa3f7afc12bf99ced08c3d617da4", kill_on_drop: false }`
[INFO] [stdout] 506597ddce3bdc2736e33e7df6c3333f9e73aa3f7afc12bf99ced08c3d617da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9077f83efaababbfaeff5e31b0df6727b1fbe92fcb102c887916d1ea97f8f38d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9077f83efaababbfaeff5e31b0df6727b1fbe92fcb102c887916d1ea97f8f38d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dot_writer-e4e99a8d88a52fc0)
[INFO] [stdout] test scope::test::test_manual_and_auto_nodes ... ok
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-f711a6d079a87a00)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[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] [stderr]    Doc-tests dot-writer
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[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] test src/writer.rs - writer::DotWriter::write_string (line 131) ... ok
[INFO] [stdout] test src/writer.rs - writer::DotWriter::set_pretty_print (line 61) ... 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/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/scope.rs - scope::Scope::edges (line 117) ... 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::graph (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9077f83efaababbfaeff5e31b0df6727b1fbe92fcb102c887916d1ea97f8f38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9077f83efaababbfaeff5e31b0df6727b1fbe92fcb102c887916d1ea97f8f38d", kill_on_drop: false }`
[INFO] [stdout] 9077f83efaababbfaeff5e31b0df6727b1fbe92fcb102c887916d1ea97f8f38d