[INFO] cloning repository https://github.com/ritobanrc/mdbook-pandoc-format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ritobanrc/mdbook-pandoc-format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fmdbook-pandoc-format", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fmdbook-pandoc-format'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eed164386d7e94db875275ea51fc87bd6783bac9
[INFO] checking ritobanrc/mdbook-pandoc-format against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritobanrc%2Fmdbook-pandoc-format" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ritobanrc/mdbook-pandoc-format on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ritobanrc/mdbook-pandoc-format
[INFO] finished tweaking git repo https://github.com/ritobanrc/mdbook-pandoc-format
[INFO] tweaked toml for git repo https://github.com/ritobanrc/mdbook-pandoc-format written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ritobanrc/mdbook-pandoc-format already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded handlebars v3.4.0
[INFO] [stderr]   Downloaded ammonia v3.1.0
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.9
[INFO] [stderr]   Downloaded gitignore v1.0.7
[INFO] [stderr]   Downloaded mdbook v0.4.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cea46aca00691a862112dca0e4e6678f3643b8dc75fc20c55e77b6df9472243
[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" "2cea46aca00691a862112dca0e4e6678f3643b8dc75fc20c55e77b6df9472243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cea46aca00691a862112dca0e4e6678f3643b8dc75fc20c55e77b6df9472243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cea46aca00691a862112dca0e4e6678f3643b8dc75fc20c55e77b6df9472243", kill_on_drop: false }`
[INFO] [stdout] 2cea46aca00691a862112dca0e4e6678f3643b8dc75fc20c55e77b6df9472243
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] c1aa1f7ab801bd985a5dc7e28929550c6014934adde3ddc1804b3904b5eb166b
[INFO] running `Command { std: "docker" "start" "-a" "c1aa1f7ab801bd985a5dc7e28929550c6014934adde3ddc1804b3904b5eb166b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
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[INFO] [stderr]    Compiling tokio-macros v0.2.5
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[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking handlebars v3.4.0
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[INFO] [stderr]     Checking pin-project v0.4.23
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[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.9
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
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[INFO] [stderr]     Checking ammonia v3.1.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking mdbook v0.4.3
[INFO] [stderr]     Checking mdbook-pandoc-format v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mdbook::book::Book`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mdbook::book::Book;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PreprocessorContext`
[INFO] [stdout]  --> src/main.rs:4:57
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mdbook::preprocess::{CmdPreprocessor, Preprocessor, PreprocessorContext};
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mdbook::book::Book`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mdbook::book::Book;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PreprocessorContext`
[INFO] [stdout]  --> src/main.rs:4:57
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mdbook::preprocess::{CmdPreprocessor, Preprocessor, PreprocessorContext};
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "c1aa1f7ab801bd985a5dc7e28929550c6014934adde3ddc1804b3904b5eb166b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1aa1f7ab801bd985a5dc7e28929550c6014934adde3ddc1804b3904b5eb166b", kill_on_drop: false }`
[INFO] [stdout] c1aa1f7ab801bd985a5dc7e28929550c6014934adde3ddc1804b3904b5eb166b