[INFO] fetching crate mdbook-skill-tree 2.0.0...
[INFO] testing mdbook-skill-tree-2.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mdbook-skill-tree 2.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mdbook-skill-tree 2.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-skill-tree 2.0.0
[INFO] finished tweaking crates.io crate mdbook-skill-tree 2.0.0
[INFO] tweaked toml for crates.io crate mdbook-skill-tree 2.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mdbook-skill-tree 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded ascii v0.9.3
[INFO] [stderr]   Downloaded toml_edit v0.1.5
[INFO] [stderr]   Downloaded skill-tree v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b86431f4ad18a8e71f52434160855eea2ac4ba0f30d428b1d0c81efb12d7f1b0
[INFO] running `Command { std: "docker" "start" "-a" "b86431f4ad18a8e71f52434160855eea2ac4ba0f30d428b1d0c81efb12d7f1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86431f4ad18a8e71f52434160855eea2ac4ba0f30d428b1d0c81efb12d7f1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86431f4ad18a8e71f52434160855eea2ac4ba0f30d428b1d0c81efb12d7f1b0", kill_on_drop: false }`
[INFO] [stdout] b86431f4ad18a8e71f52434160855eea2ac4ba0f30d428b1d0c81efb12d7f1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 8b0c88a908330d5db2ee8511b2ebacc9ba8392a59152b95d51bc1efe3d789395
[INFO] running `Command { std: "docker" "start" "-a" "8b0c88a908330d5db2ee8511b2ebacc9ba8392a59152b95d51bc1efe3d789395", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling gitignore v1.0.6
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v4.0.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling staticfile v0.5.0
[INFO] [stderr]    Compiling toml_edit v0.1.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling handlebars v3.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling toml-query v0.9.2
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.9
[INFO] [stderr]    Compiling skill-tree v2.0.0
[INFO] [stderr]    Compiling xml5ever v0.16.1
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling ammonia v3.1.0
[INFO] [stderr]    Compiling mdbook v0.3.7
[INFO] [stderr]    Compiling mdbook-skill-tree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 32s
[INFO] running `Command { std: "docker" "inspect" "8b0c88a908330d5db2ee8511b2ebacc9ba8392a59152b95d51bc1efe3d789395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0c88a908330d5db2ee8511b2ebacc9ba8392a59152b95d51bc1efe3d789395", kill_on_drop: false }`
[INFO] [stdout] 8b0c88a908330d5db2ee8511b2ebacc9ba8392a59152b95d51bc1efe3d789395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] feadc644343dbd8c414f1ff91702013148ff680f3499e612606a18520cf44b5a
[INFO] running `Command { std: "docker" "start" "-a" "feadc644343dbd8c414f1ff91702013148ff680f3499e612606a18520cf44b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-skill-tree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "feadc644343dbd8c414f1ff91702013148ff680f3499e612606a18520cf44b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feadc644343dbd8c414f1ff91702013148ff680f3499e612606a18520cf44b5a", kill_on_drop: false }`
[INFO] [stdout] feadc644343dbd8c414f1ff91702013148ff680f3499e612606a18520cf44b5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 8cb5b068028d47dfe4cbd715581c51ee3d37223b445b1b16bbb38ece21615b50
[INFO] running `Command { std: "docker" "start" "-a" "8cb5b068028d47dfe4cbd715581c51ee3d37223b445b1b16bbb38ece21615b50", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdbook_skill_tree-dc7cf0668959b599
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test preprocessor::test::leaves_tables_untouched ... ok
[INFO] [stdout] test preprocessor::test::leaves_html_untouched ... ok
[INFO] [stdout] test preprocessor::test::adds_skill_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8cb5b068028d47dfe4cbd715581c51ee3d37223b445b1b16bbb38ece21615b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb5b068028d47dfe4cbd715581c51ee3d37223b445b1b16bbb38ece21615b50", kill_on_drop: false }`
[INFO] [stdout] 8cb5b068028d47dfe4cbd715581c51ee3d37223b445b1b16bbb38ece21615b50