[INFO] fetching crate slack_api 0.23.1...
[INFO] building slack_api-0.23.1 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate slack_api 0.23.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate slack_api 0.23.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-16/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
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[INFO] [stderr]   Downloaded reqwest v0.10.6
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
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[INFO] [stderr]   Downloaded hyper-tls v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bec2317279c9b13045d05f3bddbcf48c7ea4195ec8e2516d4b14df50473bada
[INFO] running `Command { std: "docker" "start" "-a" "5bec2317279c9b13045d05f3bddbcf48c7ea4195ec8e2516d4b14df50473bada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bec2317279c9b13045d05f3bddbcf48c7ea4195ec8e2516d4b14df50473bada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bec2317279c9b13045d05f3bddbcf48c7ea4195ec8e2516d4b14df50473bada", kill_on_drop: false }`
[INFO] [stdout] 5bec2317279c9b13045d05f3bddbcf48c7ea4195ec8e2516d4b14df50473bada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21ce7e044be39b20d93cc9a41bbe6009bad0dbbbbbee7b914bb7d03eef7dc917
[INFO] running `Command { std: "docker" "start" "-a" "21ce7e044be39b20d93cc9a41bbe6009bad0dbbbbbee7b914bb7d03eef7dc917", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling autocfg v1.0.0
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[INFO] [stderr]    Compiling futures-core v0.3.5
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[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling fnv v1.0.7
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[INFO] [stderr]    Compiling pin-project-internal v0.4.22
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
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[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
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[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
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[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling serde_json v1.0.56
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[INFO] [stderr]    Compiling serde_derive v1.0.114
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[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
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[INFO] [stderr]    Compiling socket2 v0.3.12
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[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling async-compression v0.3.5
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[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 41.94s
[INFO] running `Command { std: "docker" "inspect" "21ce7e044be39b20d93cc9a41bbe6009bad0dbbbbbee7b914bb7d03eef7dc917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ce7e044be39b20d93cc9a41bbe6009bad0dbbbbbee7b914bb7d03eef7dc917", kill_on_drop: false }`
[INFO] [stdout] 21ce7e044be39b20d93cc9a41bbe6009bad0dbbbbbee7b914bb7d03eef7dc917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9f3fa1409baf3db0414ca26c6f08a026ad35597759937e49a9108ec23678e8
[INFO] running `Command { std: "docker" "start" "-a" "cb9f3fa1409baf3db0414ca26c6f08a026ad35597759937e49a9108ec23678e8", 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] [stderr]    Compiling slack_api v0.23.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.87s
[INFO] running `Command { std: "docker" "inspect" "cb9f3fa1409baf3db0414ca26c6f08a026ad35597759937e49a9108ec23678e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9f3fa1409baf3db0414ca26c6f08a026ad35597759937e49a9108ec23678e8", kill_on_drop: false }`
[INFO] [stdout] cb9f3fa1409baf3db0414ca26c6f08a026ad35597759937e49a9108ec23678e8