[INFO] fetching crate excel 0.0.1...
[INFO] documenting excel-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate excel 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate excel 0.0.1 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 excel 0.0.1
[INFO] finished tweaking crates.io crate excel 0.0.1
[INFO] tweaked toml for crates.io crate excel 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded calamine v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 61980e59ba91947179e8532d54be17ffc634854191146e4f57a8cbd9db4d3d8b
[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" "61980e59ba91947179e8532d54be17ffc634854191146e4f57a8cbd9db4d3d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61980e59ba91947179e8532d54be17ffc634854191146e4f57a8cbd9db4d3d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61980e59ba91947179e8532d54be17ffc634854191146e4f57a8cbd9db4d3d8b", kill_on_drop: false }`
[INFO] [stdout] 61980e59ba91947179e8532d54be17ffc634854191146e4f57a8cbd9db4d3d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b36879c52b8a9cb2ff0504cde1724a1d68571368ea5e1b2f4c43bfad2b11f3b9
[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" "b36879c52b8a9cb2ff0504cde1724a1d68571368ea5e1b2f4c43bfad2b11f3b9", kill_on_drop: false }`
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking concat-string v1.0.1
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking quick-xml v0.16.1
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking calamine v0.15.6
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking awc v0.2.8
[INFO] [stderr]     Checking actix-web v1.0.9
[INFO] [stderr]     Checking actix-multipart v0.1.5
[INFO] [stderr]  Documenting excel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.21s
[INFO] running `Command { std: "docker" "inspect" "b36879c52b8a9cb2ff0504cde1724a1d68571368ea5e1b2f4c43bfad2b11f3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36879c52b8a9cb2ff0504cde1724a1d68571368ea5e1b2f4c43bfad2b11f3b9", kill_on_drop: false }`
[INFO] [stdout] b36879c52b8a9cb2ff0504cde1724a1d68571368ea5e1b2f4c43bfad2b11f3b9