[INFO] fetching crate rustc-ap-rustc_graphviz 727.0.0...
[INFO] testing rustc-ap-rustc_graphviz-727.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rustc-ap-rustc_graphviz 727.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_graphviz 727.0.0 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 rustc-ap-rustc_graphviz 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_graphviz 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_graphviz 727.0.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 586b4e17b714395de5d050513f8dd9ff07ae564064a13776217f5cf141bd3969
[INFO] running `Command { std: "docker" "start" "-a" "586b4e17b714395de5d050513f8dd9ff07ae564064a13776217f5cf141bd3969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "586b4e17b714395de5d050513f8dd9ff07ae564064a13776217f5cf141bd3969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586b4e17b714395de5d050513f8dd9ff07ae564064a13776217f5cf141bd3969", kill_on_drop: false }`
[INFO] [stdout] 586b4e17b714395de5d050513f8dd9ff07ae564064a13776217f5cf141bd3969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a565ffece454f2afeb9b5aabe4bf8d5db5b4300f716b0dab2ad7338acd6ad898
[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" "a565ffece454f2afeb9b5aabe4bf8d5db5b4300f716b0dab2ad7338acd6ad898", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v727.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "a565ffece454f2afeb9b5aabe4bf8d5db5b4300f716b0dab2ad7338acd6ad898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a565ffece454f2afeb9b5aabe4bf8d5db5b4300f716b0dab2ad7338acd6ad898", kill_on_drop: false }`
[INFO] [stdout] a565ffece454f2afeb9b5aabe4bf8d5db5b4300f716b0dab2ad7338acd6ad898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a6f9d648f754d29254b552aae5ba6fd4228742f9a8d64fb326c6c5ce9c79b01f
[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" "a6f9d648f754d29254b552aae5ba6fd4228742f9a8d64fb326c6c5ce9c79b01f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v727.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "a6f9d648f754d29254b552aae5ba6fd4228742f9a8d64fb326c6c5ce9c79b01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f9d648f754d29254b552aae5ba6fd4228742f9a8d64fb326c6c5ce9c79b01f", kill_on_drop: false }`
[INFO] [stdout] a6f9d648f754d29254b552aae5ba6fd4228742f9a8d64fb326c6c5ce9c79b01f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 699ca760d0cb8bbc27eab6ef2cc12e257086c29aa0c72a8a82c2d0711532761a
[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" "699ca760d0cb8bbc27eab6ef2cc12e257086c29aa0c72a8a82c2d0711532761a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_ap_rustc_graphviz-6fc113b4bd33c617)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::badly_formatted_id ... ok
[INFO] [stdout] test tests::empty_graph ... ok
[INFO] [stdout] test tests::simple_id_construction ... ok
[INFO] [stdout] test tests::single_edge ... ok
[INFO] [stdout] test tests::hasse_diagram ... ok
[INFO] [stdout] test tests::single_cyclic_node ... ok
[INFO] [stdout] test tests::single_edge_with_style ... ok
[INFO] [stdout] test tests::single_node ... ok
[INFO] [stdout] test tests::test_some_labelled ... ok
[INFO] [stdout] test tests::left_aligned_text ... ok
[INFO] [stdout] test tests::single_node_with_style ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustc-ap-rustc_graphviz
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 259) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 144) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 92) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 206) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 189) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 39) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rustc_graphviz`
[INFO] [stdout]  --> src/lib.rs:43:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustc_graphviz as dot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `rustc_graphviz`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 144) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rustc_graphviz`
[INFO] [stdout]  --> src/lib.rs:148:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustc_graphviz as dot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `rustc_graphviz`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 206) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rustc_graphviz`
[INFO] [stdout]  --> src/lib.rs:210:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rustc_graphviz as dot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `rustc_graphviz`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 144)
[INFO] [stdout]     src/lib.rs - (line 206)
[INFO] [stdout]     src/lib.rs - (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "699ca760d0cb8bbc27eab6ef2cc12e257086c29aa0c72a8a82c2d0711532761a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699ca760d0cb8bbc27eab6ef2cc12e257086c29aa0c72a8a82c2d0711532761a", kill_on_drop: false }`
[INFO] [stdout] 699ca760d0cb8bbc27eab6ef2cc12e257086c29aa0c72a8a82c2d0711532761a