[INFO] fetching crate mdbook-toc 0.5.1...
[INFO] testing mdbook-toc-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mdbook-toc 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mdbook-toc 0.5.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-toc 0.5.1
[INFO] finished tweaking crates.io crate mdbook-toc 0.5.1
[INFO] tweaked toml for crates.io crate mdbook-toc 0.5.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-toc 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0a37b7795caa73ca14c07504f4bf8a0951cdf6064f3c95b0984332b4b80a79
[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" "fa0a37b7795caa73ca14c07504f4bf8a0951cdf6064f3c95b0984332b4b80a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0a37b7795caa73ca14c07504f4bf8a0951cdf6064f3c95b0984332b4b80a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0a37b7795caa73ca14c07504f4bf8a0951cdf6064f3c95b0984332b4b80a79", kill_on_drop: false }`
[INFO] [stdout] fa0a37b7795caa73ca14c07504f4bf8a0951cdf6064f3c95b0984332b4b80a79
[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=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" "+1.49.0" "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] 4f1f37652721c86ec1d7bd91e9fdcdde0b39fe72c366f10565def1879f0b6524
[INFO] running `Command { std: "docker" "start" "-a" "4f1f37652721c86ec1d7bd91e9fdcdde0b39fe72c366f10565def1879f0b6524", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.8
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling gitignore v1.0.7
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v4.0.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.18
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling handlebars v3.5.0
[INFO] [stderr]    Compiling pin-project v0.4.24
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.9
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[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 hyper v0.13.8
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling mdbook v0.4.3
[INFO] [stderr]    Compiling mdbook-toc v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 58s
[INFO] running `Command { std: "docker" "inspect" "4f1f37652721c86ec1d7bd91e9fdcdde0b39fe72c366f10565def1879f0b6524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1f37652721c86ec1d7bd91e9fdcdde0b39fe72c366f10565def1879f0b6524", kill_on_drop: false }`
[INFO] [stdout] 4f1f37652721c86ec1d7bd91e9fdcdde0b39fe72c366f10565def1879f0b6524
[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=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" "+1.49.0" "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] 3e90784a91e9098e78db9611d7ea2900706204f15ac70f69af00420a3e35dca7
[INFO] running `Command { std: "docker" "start" "-a" "3e90784a91e9098e78db9611d7ea2900706204f15ac70f69af00420a3e35dca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling mdbook-toc v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.28s
[INFO] running `Command { std: "docker" "inspect" "3e90784a91e9098e78db9611d7ea2900706204f15ac70f69af00420a3e35dca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e90784a91e9098e78db9611d7ea2900706204f15ac70f69af00420a3e35dca7", kill_on_drop: false }`
[INFO] [stdout] 3e90784a91e9098e78db9611d7ea2900706204f15ac70f69af00420a3e35dca7
[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=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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0cb09816bb0f0c861e5c7a3870494b3d8c45f5d4fee95108cf0371f4245388a
[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" "e0cb09816bb0f0c861e5c7a3870494b3d8c45f5d4fee95108cf0371f4245388a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdbook_toc-1ec2f26bd0ca0284
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::multi_header_linear_regression_3 ... ok
[INFO] [stdout] test test::multi_header_regression ... ok
[INFO] [stdout] test test::leaves_tables_untouched ... ok
[INFO] [stdout] test test::handles_inline_code ... ok
[INFO] [stdout] test test::adds_toc ... ok
[INFO] [stdout] test test::adds_toc_with_inline_code ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdbook_toc-30e05d420cb742dc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdbook-toc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0cb09816bb0f0c861e5c7a3870494b3d8c45f5d4fee95108cf0371f4245388a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cb09816bb0f0c861e5c7a3870494b3d8c45f5d4fee95108cf0371f4245388a", kill_on_drop: false }`
[INFO] [stdout] e0cb09816bb0f0c861e5c7a3870494b3d8c45f5d4fee95108cf0371f4245388a