[INFO] fetching crate ressa 0.7.1...
[INFO] documenting ressa-0.7.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ressa 0.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ressa 0.7.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate ressa 0.7.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ressa 0.7.1
[INFO] tweaked toml for crates.io crate ressa 0.7.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ressa 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded indicatif v0.12.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.15
[INFO] [stderr]   Downloaded ress v0.9.1
[INFO] [stderr]   Downloaded hash-chain v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d959597616c44e17a6d1f10a1cbd7fb38d847d6040f9dabe2b4b1d0b4fad47bd
[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" "d959597616c44e17a6d1f10a1cbd7fb38d847d6040f9dabe2b4b1d0b4fad47bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d959597616c44e17a6d1f10a1cbd7fb38d847d6040f9dabe2b4b1d0b4fad47bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d959597616c44e17a6d1f10a1cbd7fb38d847d6040f9dabe2b4b1d0b4fad47bd", kill_on_drop: false }`
[INFO] [stdout] d959597616c44e17a6d1f10a1cbd7fb38d847d6040f9dabe2b4b1d0b4fad47bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d83e1ac6586f48ff4031456d76b2ddaed29504a7bf4a547609cbf4e5c68d4eb9
[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" "d83e1ac6586f48ff4031456d76b2ddaed29504a7bf4a547609cbf4e5c68d4eb9", kill_on_drop: false }`
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking resast v0.4.1
[INFO] [stderr]     Checking hash-chain v0.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking ress v0.9.1
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking res-regex v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]  Documenting ressa v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "d83e1ac6586f48ff4031456d76b2ddaed29504a7bf4a547609cbf4e5c68d4eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83e1ac6586f48ff4031456d76b2ddaed29504a7bf4a547609cbf4e5c68d4eb9", kill_on_drop: false }`
[INFO] [stdout] d83e1ac6586f48ff4031456d76b2ddaed29504a7bf4a547609cbf4e5c68d4eb9