[INFO] fetching crate rustfix 0.5.1...
[INFO] documenting rustfix-0.5.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rustfix 0.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustfix 0.5.1 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] started tweaking crates.io crate rustfix 0.5.1
[INFO] finished tweaking crates.io crate rustfix 0.5.1
[INFO] tweaked toml for crates.io crate rustfix 0.5.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rustfix 0.5.1 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 duct v0.9.2
[INFO] [stderr]   Downloaded proptest v0.7.2
[INFO] [stderr]   Downloaded lazycell v0.5.1
[INFO] [stderr]   Downloaded os_pipe v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6c84ad6a4d35d9db7d57090b38022ce08ff1a6232a67e6f75b7ad6c6d6daa8aa
[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" "6c84ad6a4d35d9db7d57090b38022ce08ff1a6232a67e6f75b7ad6c6d6daa8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c84ad6a4d35d9db7d57090b38022ce08ff1a6232a67e6f75b7ad6c6d6daa8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c84ad6a4d35d9db7d57090b38022ce08ff1a6232a67e6f75b7ad6c6d6daa8aa", kill_on_drop: false }`
[INFO] [stdout] 6c84ad6a4d35d9db7d57090b38022ce08ff1a6232a67e6f75b7ad6c6d6daa8aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9e95784f9b803d93916548fa5de69c1c011eff171345512a71946f72be41b58b
[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" "9e95784f9b803d93916548fa5de69c1c011eff171345512a71946f72be41b58b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]  Documenting rustfix v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.27s
[INFO] running `Command { std: "docker" "inspect" "9e95784f9b803d93916548fa5de69c1c011eff171345512a71946f72be41b58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e95784f9b803d93916548fa5de69c1c011eff171345512a71946f72be41b58b", kill_on_drop: false }`
[INFO] [stdout] 9e95784f9b803d93916548fa5de69c1c011eff171345512a71946f72be41b58b