[INFO] fetching crate mdbook-graphviz 0.0.2...
[INFO] checking mdbook-graphviz-0.0.2 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate mdbook-graphviz 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mdbook-graphviz 0.0.2 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-graphviz 0.0.2
[INFO] finished tweaking crates.io crate mdbook-graphviz 0.0.2
[INFO] tweaked toml for crates.io crate mdbook-graphviz 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mdbook-graphviz 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] b0b2f918c9ad9e8b99ae8552b2e04d0e3b7677e28b0566bc17baae58f8b6a985
[INFO] running `Command { std: "docker" "start" "-a" "b0b2f918c9ad9e8b99ae8552b2e04d0e3b7677e28b0566bc17baae58f8b6a985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0b2f918c9ad9e8b99ae8552b2e04d0e3b7677e28b0566bc17baae58f8b6a985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b2f918c9ad9e8b99ae8552b2e04d0e3b7677e28b0566bc17baae58f8b6a985", kill_on_drop: false }`
[INFO] [stdout] b0b2f918c9ad9e8b99ae8552b2e04d0e3b7677e28b0566bc17baae58f8b6a985
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4231477238ef150e9dcb168936bd13fb8bb79f783291083ac4df98f1e5672cc5
[INFO] running `Command { std: "docker" "start" "-a" "4231477238ef150e9dcb168936bd13fb8bb79f783291083ac4df98f1e5672cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking safemem v0.3.3
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[INFO] [stderr]     Checking rustc-demangle v0.1.16
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[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
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[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]     Checking itertools v0.8.2
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[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking inotify v0.6.1
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[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking pulldown-cmark v0.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v1.2.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]     Checking handlebars v2.0.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking ammonia v3.0.0
[INFO] [stderr]     Checking mdbook v0.3.5
[INFO] [stderr]     Checking mdbook-graphviz v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "4231477238ef150e9dcb168936bd13fb8bb79f783291083ac4df98f1e5672cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4231477238ef150e9dcb168936bd13fb8bb79f783291083ac4df98f1e5672cc5", kill_on_drop: false }`
[INFO] [stdout] 4231477238ef150e9dcb168936bd13fb8bb79f783291083ac4df98f1e5672cc5