[INFO] fetching crate slack_api 0.23.1...
[INFO] checking slack_api-0.23.1 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate slack_api 0.23.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate slack_api 0.23.1 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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 wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded tinyvec v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.14
[INFO] [stderr]   Downloaded dtoa v0.4.6
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
[INFO] [stderr]   Downloaded async-compression v0.3.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded tokio-rustls v0.13.1
[INFO] [stderr]   Downloaded async-trait v0.1.36
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded webpki-roots v0.19.0
[INFO] [stderr]   Downloaded reqwest v0.10.6
[INFO] [stderr]   Downloaded winreg v0.7.0
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded encoding_rs v0.8.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f545647423dab9ab31c22069fa63490bc29db9f63f42ded02181437586c57f
[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" "08f545647423dab9ab31c22069fa63490bc29db9f63f42ded02181437586c57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f545647423dab9ab31c22069fa63490bc29db9f63f42ded02181437586c57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f545647423dab9ab31c22069fa63490bc29db9f63f42ded02181437586c57f", kill_on_drop: false }`
[INFO] [stdout] 08f545647423dab9ab31c22069fa63490bc29db9f63f42ded02181437586c57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4876c481cbf9144b61a7c007f86259b55dda4ce1d43e25024a21108a5565ca7d
[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" "4876c481cbf9144b61a7c007f86259b55dda4ce1d43e25024a21108a5565ca7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[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 2m 05s
[INFO] running `Command { std: "docker" "inspect" "4876c481cbf9144b61a7c007f86259b55dda4ce1d43e25024a21108a5565ca7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4876c481cbf9144b61a7c007f86259b55dda4ce1d43e25024a21108a5565ca7d", kill_on_drop: false }`
[INFO] [stdout] 4876c481cbf9144b61a7c007f86259b55dda4ce1d43e25024a21108a5565ca7d