[INFO] cloning repository https://github.com/boiyama/examples-rust-slack-kot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boiyama/examples-rust-slack-kot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiyama%2Fexamples-rust-slack-kot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiyama%2Fexamples-rust-slack-kot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0786ec5c5215875ca0d946ead19018bb97e311fc
[INFO] documenting boiyama/examples-rust-slack-kot against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiyama%2Fexamples-rust-slack-kot" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boiyama/examples-rust-slack-kot 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-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/boiyama/examples-rust-slack-kot
[INFO] finished tweaking git repo https://github.com/boiyama/examples-rust-slack-kot
[INFO] tweaked toml for git repo https://github.com/boiyama/examples-rust-slack-kot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/boiyama/examples-rust-slack-kot 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded data-encoding v2.2.1
[INFO] [stderr]   Downloaded aws_lambda_events v0.3.0
[INFO] [stderr]   Downloaded serde_qs v0.6.1
[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] e7cbc1dedb3134c971f46c345cac8a25251bb4697de87da4e00fbcd11955bb1c
[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" "e7cbc1dedb3134c971f46c345cac8a25251bb4697de87da4e00fbcd11955bb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7cbc1dedb3134c971f46c345cac8a25251bb4697de87da4e00fbcd11955bb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cbc1dedb3134c971f46c345cac8a25251bb4697de87da4e00fbcd11955bb1c", kill_on_drop: false }`
[INFO] [stdout] e7cbc1dedb3134c971f46c345cac8a25251bb4697de87da4e00fbcd11955bb1c
[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] 20eee4ef6595b8a99691c0e8bd49d6267313c4efb7fc209ec48213db0bb7547b
[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" "20eee4ef6595b8a99691c0e8bd49d6267313c4efb7fc209ec48213db0bb7547b", kill_on_drop: false }`
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling lambda_runtime_core v0.1.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking webpki v0.21.3
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[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.114
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[INFO] [stderr]     Checking bytes v0.4.12
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[INFO] [stderr]     Checking serde_qs v0.6.1
[INFO] [stderr]     Checking tokio-io v0.1.13
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[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking lambda_runtime_errors v0.1.1
[INFO] [stderr]     Checking aws_lambda_events v0.3.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
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[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-rustls v0.20.0
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[INFO] [stderr]     Checking lambda_runtime_client v0.2.2
[INFO] [stderr]     Checking lambda_runtime v0.2.1
[INFO] [stderr]  Documenting examples-rust-slack-kot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "20eee4ef6595b8a99691c0e8bd49d6267313c4efb7fc209ec48213db0bb7547b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20eee4ef6595b8a99691c0e8bd49d6267313c4efb7fc209ec48213db0bb7547b", kill_on_drop: false }`
[INFO] [stdout] 20eee4ef6595b8a99691c0e8bd49d6267313c4efb7fc209ec48213db0bb7547b