[INFO] fetching crate rustc-ap-graphviz 662.0.0...
[INFO] testing rustc-ap-graphviz-662.0.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate rustc-ap-graphviz 662.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rustc-ap-graphviz 662.0.0
[INFO] finished tweaking crates.io crate rustc-ap-graphviz 662.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-graphviz 662.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-graphviz 662.0.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 411f9bf9c0dd72c74d3ff043b7ac4b7a6811df6268c885eeef03b9906c9c213e
[INFO] running `Command { std: "docker" "start" "-a" "411f9bf9c0dd72c74d3ff043b7ac4b7a6811df6268c885eeef03b9906c9c213e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411f9bf9c0dd72c74d3ff043b7ac4b7a6811df6268c885eeef03b9906c9c213e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411f9bf9c0dd72c74d3ff043b7ac4b7a6811df6268c885eeef03b9906c9c213e", kill_on_drop: false }`
[INFO] [stdout] 411f9bf9c0dd72c74d3ff043b7ac4b7a6811df6268c885eeef03b9906c9c213e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75f0a401d3aff26f90be905a7bd1e559b66fb480831acb5288133365a644ba13
[INFO] running `Command { std: "docker" "start" "-a" "75f0a401d3aff26f90be905a7bd1e559b66fb480831acb5288133365a644ba13", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-graphviz v662.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> lib.rs:278:27
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     |                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "75f0a401d3aff26f90be905a7bd1e559b66fb480831acb5288133365a644ba13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f0a401d3aff26f90be905a7bd1e559b66fb480831acb5288133365a644ba13", kill_on_drop: false }`
[INFO] [stdout] 75f0a401d3aff26f90be905a7bd1e559b66fb480831acb5288133365a644ba13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bff15d2f98f4023195264147816460e219c671619a349bc1b904e503af21429
[INFO] running `Command { std: "docker" "start" "-a" "5bff15d2f98f4023195264147816460e219c671619a349bc1b904e503af21429", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> lib.rs:278:27
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     |                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc-ap-graphviz v662.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> lib.rs:278:27
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     |                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "5bff15d2f98f4023195264147816460e219c671619a349bc1b904e503af21429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bff15d2f98f4023195264147816460e219c671619a349bc1b904e503af21429", kill_on_drop: false }`
[INFO] [stdout] 5bff15d2f98f4023195264147816460e219c671619a349bc1b904e503af21429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7444a54daf9c14a84609fb9a9372b61350d5198ff950c6a7d7897c7a9201623
[INFO] running `Command { std: "docker" "start" "-a" "c7444a54daf9c14a84609fb9a9372b61350d5198ff950c6a7d7897c7a9201623", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stderr]    --> lib.rs:278:27
[INFO] [stderr]     |
[INFO] [stderr] 278 | #![feature(rustc_private, nll)]
[INFO] [stderr]     |                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustc-ap-graphviz` (lib) generated 1 warning
[INFO] [stderr] warning: `rustc-ap-graphviz` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/rustc_ap_graphviz-370649968bd64945)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::badly_formatted_id ... ok
[INFO] [stdout] test tests::hasse_diagram ... ok
[INFO] [stdout] test tests::empty_graph ... ok
[INFO] [stdout] test tests::simple_id_construction ... ok
[INFO] [stdout] test tests::left_aligned_text ... ok
[INFO] [stdout] test tests::single_edge ... ok
[INFO] [stdout] test tests::single_edge_with_style ... ok
[INFO] [stdout] test tests::single_cyclic_node ... ok
[INFO] [stdout] test tests::single_node_with_style ... ok
[INFO] [stdout] test tests::single_node ... ok
[INFO] [stdout] test tests::test_some_labelled ... 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_graphviz
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lib.rs - (line 206) ... FAILED
[INFO] [stdout] test lib.rs - (line 144) ... FAILED
[INFO] [stdout] test lib.rs - (line 39) ... FAILED
[INFO] [stdout] test lib.rs - (line 92) - compile ... ok
[INFO] [stdout] test lib.rs - (line 259) - compile ... ok
[INFO] [stdout] test lib.rs - (line 189) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lib.rs - (line 206) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `graphviz`
[INFO] [stdout]  --> lib.rs:211:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use graphviz as dot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no external crate `graphviz`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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] ---- lib.rs - (line 144) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `graphviz`
[INFO] [stdout]  --> lib.rs:149:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use graphviz as dot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no external crate `graphviz`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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] ---- lib.rs - (line 39) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `graphviz`
[INFO] [stdout]  --> lib.rs:44:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use graphviz as dot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no external crate `graphviz`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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]     lib.rs - (line 144)
[INFO] [stdout]     lib.rs - (line 206)
[INFO] [stdout]     lib.rs - (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c7444a54daf9c14a84609fb9a9372b61350d5198ff950c6a7d7897c7a9201623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7444a54daf9c14a84609fb9a9372b61350d5198ff950c6a7d7897c7a9201623", kill_on_drop: false }`
[INFO] [stdout] c7444a54daf9c14a84609fb9a9372b61350d5198ff950c6a7d7897c7a9201623