[INFO] fetching crate slack_api 0.23.1...
[INFO] checking slack_api-0.23.1 against beta for pr-78714
[INFO] extracting crate slack_api 0.23.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate slack_api 0.23.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slack_api 0.23.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slack_api 0.23.1
[INFO] tweaked toml for crates.io crate slack_api 0.23.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate slack_api 0.23.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded tokio-rustls v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a76e76258aa1fd2d0e21471a7f4e9e94e36c569ff8dd44fd2144fc9d4710337
[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" "3a76e76258aa1fd2d0e21471a7f4e9e94e36c569ff8dd44fd2144fc9d4710337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a76e76258aa1fd2d0e21471a7f4e9e94e36c569ff8dd44fd2144fc9d4710337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a76e76258aa1fd2d0e21471a7f4e9e94e36c569ff8dd44fd2144fc9d4710337", kill_on_drop: false }`
[INFO] [stdout] 3a76e76258aa1fd2d0e21471a7f4e9e94e36c569ff8dd44fd2144fc9d4710337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 241b1ce6ba9fd5c870a7036eee10b60c21cb309aed37ac7df4142185a745a4ed
[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" "241b1ce6ba9fd5c870a7036eee10b60c21cb309aed37ac7df4142185a745a4ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking slack_api v0.23.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.50s
[INFO] running `Command { std: "docker" "inspect" "241b1ce6ba9fd5c870a7036eee10b60c21cb309aed37ac7df4142185a745a4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241b1ce6ba9fd5c870a7036eee10b60c21cb309aed37ac7df4142185a745a4ed", kill_on_drop: false }`
[INFO] [stdout] 241b1ce6ba9fd5c870a7036eee10b60c21cb309aed37ac7df4142185a745a4ed