[INFO] fetching crate docbook-index 0.1.5...
[INFO] checking docbook-index-0.1.5 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate docbook-index 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate docbook-index 0.1.5 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docbook-index 0.1.5
[INFO] finished tweaking crates.io crate docbook-index 0.1.5
[INFO] tweaked toml for crates.io crate docbook-index 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate docbook-index 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.6
[INFO] [stderr]   Downloaded rust-stemmers v1.1.0
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c47a2656e672b77cf5eaadc11c6378b90533f63f6198f8c9d0500af21eaf9193
[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" "c47a2656e672b77cf5eaadc11c6378b90533f63f6198f8c9d0500af21eaf9193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47a2656e672b77cf5eaadc11c6378b90533f63f6198f8c9d0500af21eaf9193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47a2656e672b77cf5eaadc11c6378b90533f63f6198f8c9d0500af21eaf9193", kill_on_drop: false }`
[INFO] [stdout] c47a2656e672b77cf5eaadc11c6378b90533f63f6198f8c9d0500af21eaf9193
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66dc4b10c3db309fde36fe6c4972dc0a14fbc8c5b87efe4757e541fe9fc282ab
[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" "66dc4b10c3db309fde36fe6c4972dc0a14fbc8c5b87efe4757e541fe9fc282ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[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 v1.0.101
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.40
[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 52.66s
[INFO] running `Command { std: "docker" "inspect" "66dc4b10c3db309fde36fe6c4972dc0a14fbc8c5b87efe4757e541fe9fc282ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66dc4b10c3db309fde36fe6c4972dc0a14fbc8c5b87efe4757e541fe9fc282ab", kill_on_drop: false }`
[INFO] [stdout] 66dc4b10c3db309fde36fe6c4972dc0a14fbc8c5b87efe4757e541fe9fc282ab