[INFO] cloning repository https://github.com/grahamc/docbook-index
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grahamc/docbook-index" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fdocbook-index", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fdocbook-index'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e3f742393098c898c33235edf967e9bc3b79080
[INFO] checking grahamc/docbook-index against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fdocbook-index" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grahamc/docbook-index on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grahamc/docbook-index
[INFO] finished tweaking git repo https://github.com/grahamc/docbook-index
[INFO] tweaked toml for git repo https://github.com/grahamc/docbook-index written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/grahamc/docbook-index already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08d1ace88635d4814bbc0e60b93d378fc8abb667811f0c9f0b9623c3ca3a9a4d
[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" "08d1ace88635d4814bbc0e60b93d378fc8abb667811f0c9f0b9623c3ca3a9a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08d1ace88635d4814bbc0e60b93d378fc8abb667811f0c9f0b9623c3ca3a9a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d1ace88635d4814bbc0e60b93d378fc8abb667811f0c9f0b9623c3ca3a9a4d", kill_on_drop: false }`
[INFO] [stdout] 08d1ace88635d4814bbc0e60b93d378fc8abb667811f0c9f0b9623c3ca3a9a4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 763d9595e5c9ad5bf5b5be35c6c0153cfa5a8b00951aade39a1325597923c213
[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" "763d9595e5c9ad5bf5b5be35c6c0153cfa5a8b00951aade39a1325597923c213", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking ryu v1.0.0
[INFO] [stderr]     Checking bitflags v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]     Checking docbook-index v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "763d9595e5c9ad5bf5b5be35c6c0153cfa5a8b00951aade39a1325597923c213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763d9595e5c9ad5bf5b5be35c6c0153cfa5a8b00951aade39a1325597923c213", kill_on_drop: false }`
[INFO] [stdout] 763d9595e5c9ad5bf5b5be35c6c0153cfa5a8b00951aade39a1325597923c213