[INFO] fetching crate mdbook-open-on-git-xx 0.0.1...
[INFO] checking mdbook-open-on-git-xx-0.0.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate mdbook-open-on-git-xx 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mdbook-open-on-git-xx 0.0.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-open-on-git-xx 0.0.1
[INFO] finished tweaking crates.io crate mdbook-open-on-git-xx 0.0.1
[INFO] tweaked toml for crates.io crate mdbook-open-on-git-xx 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mdbook-open-on-git-xx 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mdbook v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] def4f91970c147f9d806460544fff7612e620905cce03a43342d3dafb60e4406
[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" "def4f91970c147f9d806460544fff7612e620905cce03a43342d3dafb60e4406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "def4f91970c147f9d806460544fff7612e620905cce03a43342d3dafb60e4406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def4f91970c147f9d806460544fff7612e620905cce03a43342d3dafb60e4406", kill_on_drop: false }`
[INFO] [stdout] def4f91970c147f9d806460544fff7612e620905cce03a43342d3dafb60e4406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b7a481e897f9befae12d92604bb5d0d240f4fc79c17eecbe6a708f5902c191b
[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" "7b7a481e897f9befae12d92604bb5d0d240f4fc79c17eecbe6a708f5902c191b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking elasticlunr-rs v2.3.6
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking html5ever v0.25.1
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.0
[INFO] [stderr]     Checking mdbook v0.3.6
[INFO] [stderr]     Checking mdbook-open-on-git-xx v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "7b7a481e897f9befae12d92604bb5d0d240f4fc79c17eecbe6a708f5902c191b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7a481e897f9befae12d92604bb5d0d240f4fc79c17eecbe6a708f5902c191b", kill_on_drop: false }`
[INFO] [stdout] 7b7a481e897f9befae12d92604bb5d0d240f4fc79c17eecbe6a708f5902c191b