[INFO] fetching crate emplace 0.3.6...
[INFO] documenting emplace-0.3.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate emplace 0.3.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate emplace 0.3.6 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 emplace 0.3.6
[INFO] finished tweaking crates.io crate emplace 0.3.6
[INFO] tweaked toml for crates.io crate emplace 0.3.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate emplace 0.3.6 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 strum v0.18.0
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded simplelog v0.8.0
[INFO] [stderr]   Downloaded dialoguer v0.6.2
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded users v0.10.0
[INFO] [stderr]   Downloaded enum_dispatch v0.3.1
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded run_script v0.6.3
[INFO] [stderr]   Downloaded ron v0.6.0
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded is_executable v0.1.2
[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] 57d6e9cf2a219631700f35e455575664e496b39090f466cbb59bcdb37611b8fa
[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" "57d6e9cf2a219631700f35e455575664e496b39090f466cbb59bcdb37611b8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d6e9cf2a219631700f35e455575664e496b39090f466cbb59bcdb37611b8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d6e9cf2a219631700f35e455575664e496b39090f466cbb59bcdb37611b8fa", kill_on_drop: false }`
[INFO] [stdout] 57d6e9cf2a219631700f35e455575664e496b39090f466cbb59bcdb37611b8fa
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4f8685f27bc28753a60b6b2347c7ff4d0344811861d4c6c852facd33ed8c602
[INFO] running `Command { std: "docker" "start" "-a" "f4f8685f27bc28753a60b6b2347c7ff4d0344811861d4c6c852facd33ed8c602", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking fsio v0.1.3
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking run_script v0.6.3
[INFO] [stderr]    Compiling enum_dispatch v0.3.1
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking ron v0.6.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]  Documenting emplace v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.14s
[INFO] running `Command { std: "docker" "inspect" "f4f8685f27bc28753a60b6b2347c7ff4d0344811861d4c6c852facd33ed8c602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f8685f27bc28753a60b6b2347c7ff4d0344811861d4c6c852facd33ed8c602", kill_on_drop: false }`
[INFO] [stdout] f4f8685f27bc28753a60b6b2347c7ff4d0344811861d4c6c852facd33ed8c602