[INFO] fetching crate slack_api 0.23.1...
[INFO] testing slack_api-0.23.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate slack_api 0.23.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate slack_api 0.23.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-5/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" "+1.47.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c436de59d9998bb87e2099954ac1e070752daf9bf65743c086dd53ed21ca6a8
[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" "9c436de59d9998bb87e2099954ac1e070752daf9bf65743c086dd53ed21ca6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c436de59d9998bb87e2099954ac1e070752daf9bf65743c086dd53ed21ca6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c436de59d9998bb87e2099954ac1e070752daf9bf65743c086dd53ed21ca6a8", kill_on_drop: false }`
[INFO] [stdout] 9c436de59d9998bb87e2099954ac1e070752daf9bf65743c086dd53ed21ca6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f98a2fca5e5bc3c0297a6c0437c726cc57b824fe2a62fe0a119352b86d5fe0d8
[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" "f98a2fca5e5bc3c0297a6c0437c726cc57b824fe2a62fe0a119352b86d5fe0d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling async-compression v0.3.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.6
[INFO] [stderr]    Compiling slack_api v0.23.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "f98a2fca5e5bc3c0297a6c0437c726cc57b824fe2a62fe0a119352b86d5fe0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98a2fca5e5bc3c0297a6c0437c726cc57b824fe2a62fe0a119352b86d5fe0d8", kill_on_drop: false }`
[INFO] [stdout] f98a2fca5e5bc3c0297a6c0437c726cc57b824fe2a62fe0a119352b86d5fe0d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aaed2d9deb1bff79e0926715df54bbb1662fe99e945df7e80f1f7ed8ed41793
[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" "1aaed2d9deb1bff79e0926715df54bbb1662fe99e945df7e80f1f7ed8ed41793", kill_on_drop: false }`
[INFO] [stderr]    Compiling slack_api v0.23.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `slack_api`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name start_rtm --edition=2018 examples/start_rtm.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="async"' --cfg 'feature="async-trait"' --cfg 'feature="default"' --cfg 'feature="reqwest"' --cfg 'feature="reqwest_"' --cfg 'feature="with_native_tls"' -C metadata=2d7bd93d2ebcfe62 -C extra-filename=-2d7bd93d2ebcfe62 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-3c62cd57b5a81c18.so --extern reqwest_=/opt/rustwide/target/debug/deps/libreqwest-4782f83f038d6062.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-bbc869237b2aafa0.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f01e90934c526db1.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-bb6c517ea3754254.rlib --extern slack_api=/opt/rustwide/target/debug/deps/libslack_api-d3f59389779c02d2.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-e844ec5d968cf696.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1aaed2d9deb1bff79e0926715df54bbb1662fe99e945df7e80f1f7ed8ed41793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aaed2d9deb1bff79e0926715df54bbb1662fe99e945df7e80f1f7ed8ed41793", kill_on_drop: false }`
[INFO] [stdout] 1aaed2d9deb1bff79e0926715df54bbb1662fe99e945df7e80f1f7ed8ed41793
