[INFO] cloning repository https://github.com/mdzk-rs/mdbook-backlinks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdzk-rs/mdbook-backlinks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdzk-rs%2Fmdbook-backlinks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdzk-rs%2Fmdbook-backlinks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47868a6e89a580e1b647516bec68cb49022d8b19
[INFO] testing mdzk-rs/mdbook-backlinks against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdzk-rs%2Fmdbook-backlinks" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdzk-rs/mdbook-backlinks on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdzk-rs/mdbook-backlinks
[INFO] finished tweaking git repo https://github.com/mdzk-rs/mdbook-backlinks
[INFO] tweaked toml for git repo https://github.com/mdzk-rs/mdbook-backlinks written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/mdzk-rs/mdbook-backlinks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open v1.7.1
[INFO] [stderr]   Downloaded ammonia v3.1.2
[INFO] [stderr]   Downloaded siphasher v0.3.6
[INFO] [stderr]   Downloaded handlebars v4.1.1
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.13
[INFO] [stderr]   Downloaded headers v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 384fbafe66666e365fed1a9725605fcdd3c2469f50f85f189bc4afdb24470f53
[INFO] running `Command { std: "docker" "start" "-a" "384fbafe66666e365fed1a9725605fcdd3c2469f50f85f189bc4afdb24470f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384fbafe66666e365fed1a9725605fcdd3c2469f50f85f189bc4afdb24470f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384fbafe66666e365fed1a9725605fcdd3c2469f50f85f189bc4afdb24470f53", kill_on_drop: false }`
[INFO] [stdout] 384fbafe66666e365fed1a9725605fcdd3c2469f50f85f189bc4afdb24470f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ef6df3e2670fa4841f167398fa37a922e21683eaf3752f91242cfe6ce6fd54
[INFO] running `Command { std: "docker" "start" "-a" "a0ef6df3e2670fa4841f167398fa37a922e21683eaf3752f91242cfe6ce6fd54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling gitignore v1.0.7
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling open v1.7.1
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling tendril v0.4.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling xml5ever v0.16.1
[INFO] [stderr]    Compiling handlebars v4.1.1
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling ammonia v3.1.2
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.13
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling mdbook v0.4.12
[INFO] [stderr]    Compiling mdbook-backlinks v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.09s
[INFO] running `Command { std: "docker" "inspect" "a0ef6df3e2670fa4841f167398fa37a922e21683eaf3752f91242cfe6ce6fd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ef6df3e2670fa4841f167398fa37a922e21683eaf3752f91242cfe6ce6fd54", kill_on_drop: false }`
[INFO] [stdout] a0ef6df3e2670fa4841f167398fa37a922e21683eaf3752f91242cfe6ce6fd54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93374bcca4e9ce3e43a557d6fdff90b84fbe1d3e04599d104bb3269b6590cd48
[INFO] running `Command { std: "docker" "start" "-a" "93374bcca4e9ce3e43a557d6fdff90b84fbe1d3e04599d104bb3269b6590cd48", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-backlinks v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "93374bcca4e9ce3e43a557d6fdff90b84fbe1d3e04599d104bb3269b6590cd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93374bcca4e9ce3e43a557d6fdff90b84fbe1d3e04599d104bb3269b6590cd48", kill_on_drop: false }`
[INFO] [stdout] 93374bcca4e9ce3e43a557d6fdff90b84fbe1d3e04599d104bb3269b6590cd48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9ba126da56ce4a531560d4631c4012655e7e9e9e2ab30d465aa7174d6277948
[INFO] running `Command { std: "docker" "start" "-a" "d9ba126da56ce4a531560d4631c4012655e7e9e9e2ab30d465aa7174d6277948", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdbook_backlinks-0e03a8a5f2e2310b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdbook_backlinks-f1d9f5c45611d347)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdbook-backlinks
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9ba126da56ce4a531560d4631c4012655e7e9e9e2ab30d465aa7174d6277948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ba126da56ce4a531560d4631c4012655e7e9e9e2ab30d465aa7174d6277948", kill_on_drop: false }`
[INFO] [stdout] d9ba126da56ce4a531560d4631c4012655e7e9e9e2ab30d465aa7174d6277948