[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] 0434c231c132edadf507c6fc212ae174e41dea2c
[INFO] checking mdzk-rs/mdbook-backlinks against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdzk-rs%2Fmdbook-backlinks" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdzk-rs/mdbook-backlinks on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-0/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 202a949972ed2f505d4da7b32f4a287ba1ce68c5f94b4bea5d88d28476fdc87e
[INFO] running `Command { std: "docker" "start" "-a" "202a949972ed2f505d4da7b32f4a287ba1ce68c5f94b4bea5d88d28476fdc87e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "202a949972ed2f505d4da7b32f4a287ba1ce68c5f94b4bea5d88d28476fdc87e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202a949972ed2f505d4da7b32f4a287ba1ce68c5f94b4bea5d88d28476fdc87e", kill_on_drop: false }`
[INFO] [stdout] 202a949972ed2f505d4da7b32f4a287ba1ce68c5f94b4bea5d88d28476fdc87e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b0ba803accf4a8b8b98140bdc46a3aeeee49c5aa9d9e9908433577b008f96c5
[INFO] running `Command { std: "docker" "start" "-a" "4b0ba803accf4a8b8b98140bdc46a3aeeee49c5aa9d9e9908433577b008f96c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking futures-io v0.3.16
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[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking input_buffer v0.4.0
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[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
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[INFO] [stderr]     Checking open v1.7.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking gitignore v1.0.7
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[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]     Checking tracing v0.1.26
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[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.4.1
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[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking handlebars v4.1.1
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.2
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking elasticlunr-rs v2.3.13
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking mdbook v0.4.12
[INFO] [stderr]     Checking mdbook-backlinks v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "4b0ba803accf4a8b8b98140bdc46a3aeeee49c5aa9d9e9908433577b008f96c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0ba803accf4a8b8b98140bdc46a3aeeee49c5aa9d9e9908433577b008f96c5", kill_on_drop: false }`
[INFO] [stdout] 4b0ba803accf4a8b8b98140bdc46a3aeeee49c5aa9d9e9908433577b008f96c5