[INFO] updating cached repository https://github.com/younata/mdbook-api
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e31f682c5a11b7a307898a1822bf74d1cdb7250
[INFO] checking younata/mdbook-api against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyounata%2Fmdbook-api" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/younata/mdbook-api on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/younata/mdbook-api
[INFO] finished tweaking git repo https://github.com/younata/mdbook-api
[INFO] tweaked toml for git repo https://github.com/younata/mdbook-api written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/younata/mdbook-api already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 825fe144dcdb9c3c4659ac90b9f878d0a10d5b76faf19f6417fe886de8d21d08
[INFO] running `"docker" "start" "-a" "825fe144dcdb9c3c4659ac90b9f878d0a10d5b76faf19f6417fe886de8d21d08"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling regex v1.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]     Checking open v1.2.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking pest v2.1.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking notify v4.0.10
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.4
[INFO] [stderr]     Checking toml-query v0.7.0
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking ammonia v1.2.0
[INFO] [stderr]     Checking mdbook v0.2.3
[INFO] [stderr]     Checking mdbook-api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> tests/cli.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `"docker" "inspect" "825fe144dcdb9c3c4659ac90b9f878d0a10d5b76faf19f6417fe886de8d21d08"`
[INFO] running `"docker" "rm" "-f" "825fe144dcdb9c3c4659ac90b9f878d0a10d5b76faf19f6417fe886de8d21d08"`
[INFO] [stdout] 825fe144dcdb9c3c4659ac90b9f878d0a10d5b76faf19f6417fe886de8d21d08