[INFO] fetching crate slack-rust 0.0.1-alpha...
[INFO] testing slack-rust-0.0.1-alpha against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate slack-rust 0.0.1-alpha into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate slack-rust 0.0.1-alpha on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slack-rust 0.0.1-alpha
[INFO] finished tweaking crates.io crate slack-rust 0.0.1-alpha
[INFO] tweaked toml for crates.io crate slack-rust 0.0.1-alpha written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate slack-rust 0.0.1-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 5daacbe51bee3fa943a273be5b70c6ef49ccbce7f211f9e2a529608dfefdb034
[INFO] running `Command { std: "docker" "start" "-a" "5daacbe51bee3fa943a273be5b70c6ef49ccbce7f211f9e2a529608dfefdb034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5daacbe51bee3fa943a273be5b70c6ef49ccbce7f211f9e2a529608dfefdb034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5daacbe51bee3fa943a273be5b70c6ef49ccbce7f211f9e2a529608dfefdb034", kill_on_drop: false }`
[INFO] [stdout] 5daacbe51bee3fa943a273be5b70c6ef49ccbce7f211f9e2a529608dfefdb034
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] f9099a4c016f0c780c1f4fb6b04ff911f12ce3573d133b7ac7797fa5ec4c4349
[INFO] running `Command { std: "docker" "start" "-a" "f9099a4c016f0c780c1f4fb6b04ff911f12ce3573d133b7ac7797fa5ec4c4349", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling bumpalo v3.8.0
[INFO] [stderr]    Compiling curl v0.4.41
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling flume v0.9.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.1.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.9
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project v1.0.9
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling serde_with_macros v1.5.1
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]    Compiling async-tls v0.11.0
[INFO] [stderr]    Compiling js-sys v0.3.55
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_with v1.11.0
[INFO] [stderr]    Compiling tungstenite v0.16.0
[INFO] [stderr]    Compiling web-sys v0.3.55
[INFO] [stderr]    Compiling async-tungstenite v0.16.1
[INFO] [stderr]    Compiling http-client v6.5.1
[INFO] [stderr]    Compiling surf v2.3.2
[INFO] [stderr]    Compiling slack-rust v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] running `Command { std: "docker" "inspect" "f9099a4c016f0c780c1f4fb6b04ff911f12ce3573d133b7ac7797fa5ec4c4349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9099a4c016f0c780c1f4fb6b04ff911f12ce3573d133b7ac7797fa5ec4c4349", kill_on_drop: false }`
[INFO] [stdout] f9099a4c016f0c780c1f4fb6b04ff911f12ce3573d133b7ac7797fa5ec4c4349
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] ed44898aaf1eadf03b7dc1bdc618bf9e1a335b5888aeb9afa6877cf849d36f1b
[INFO] running `Command { std: "docker" "start" "-a" "ed44898aaf1eadf03b7dc1bdc618bf9e1a335b5888aeb9afa6877cf849d36f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling termtree v0.2.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling mockall_derive v0.11.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling predicates v2.1.0
[INFO] [stderr]    Compiling mockall v0.11.0
[INFO] [stderr]    Compiling slack-rust v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `slack-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name socket_mode --edition=2018 examples/socket_mode.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3eaf2db93ea8947f -C extra-filename=-3eaf2db93ea8947f --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-448853f489172ecc.rlib --extern async_tls=/opt/rustwide/target/debug/deps/libasync_tls-3263afb54da6a96d.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-e3bf03d4d71b30ef.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-13e74a02a1de8a19.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-3e7c9c03293e87bc.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-f6a41497f02ea35a.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-4d0c1ff803aa5267.rlib --extern mockall=/opt/rustwide/target/debug/deps/libmockall-a0d06e767cca52d4.rlib --extern rustls=/opt/rustwide/target/debug/deps/librustls-15e9d98b35275734.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e3f081ab48ccba65.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ce503233b8a3f1c7.rlib --extern serde_with=/opt/rustwide/target/debug/deps/libserde_with-45f19ed74f888e74.rlib --extern slack_rust=/opt/rustwide/target/debug/deps/libslack_rust-8ba3902dfd57653e.rlib --extern surf=/opt/rustwide/target/debug/deps/libsurf-3363f2d7f500de4c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-ab13843516cb451d.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-603795c9cf4a9ebd/out -L native=/opt/rustwide/target/debug/build/curl-sys-74112ec9e3e38034/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-75b32ad004787f99/out/i/lib` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `slack-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name slack_rust --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=3009fb001a74324a -C extra-filename=-3009fb001a74324a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-448853f489172ecc.rlib --extern async_tls=/opt/rustwide/target/debug/deps/libasync_tls-3263afb54da6a96d.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-e3bf03d4d71b30ef.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-13e74a02a1de8a19.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-3e7c9c03293e87bc.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-f6a41497f02ea35a.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-4d0c1ff803aa5267.rlib --extern mockall=/opt/rustwide/target/debug/deps/libmockall-a0d06e767cca52d4.rlib --extern rustls=/opt/rustwide/target/debug/deps/librustls-15e9d98b35275734.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e3f081ab48ccba65.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ce503233b8a3f1c7.rlib --extern serde_with=/opt/rustwide/target/debug/deps/libserde_with-45f19ed74f888e74.rlib --extern surf=/opt/rustwide/target/debug/deps/libsurf-3363f2d7f500de4c.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-ab13843516cb451d.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-603795c9cf4a9ebd/out -L native=/opt/rustwide/target/debug/build/curl-sys-74112ec9e3e38034/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-75b32ad004787f99/out/i/lib` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ed44898aaf1eadf03b7dc1bdc618bf9e1a335b5888aeb9afa6877cf849d36f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed44898aaf1eadf03b7dc1bdc618bf9e1a335b5888aeb9afa6877cf849d36f1b", kill_on_drop: false }`
[INFO] [stdout] ed44898aaf1eadf03b7dc1bdc618bf9e1a335b5888aeb9afa6877cf849d36f1b