[INFO] fetching crate twitchchat 0.14.8...
[INFO] checking twitchchat-0.14.8 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate twitchchat 0.14.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate twitchchat 0.14.8 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitchchat 0.14.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitchchat 0.14.8
[INFO] tweaked toml for crates.io crate twitchchat 0.14.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate twitchchat 0.14.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded anyhow v1.0.33
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded async-tls v0.10.0
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded async-global-executor v1.4.2
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded async-std v1.6.5
[INFO] [stderr]   Downloaded smol v1.2.4
[INFO] [stderr]   Downloaded tokio-native-tls v0.1.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded futures-lite v1.11.2
[INFO] [stderr]   Downloaded instant v0.1.8
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-io v1.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] af7d879fa1411ec31ebf8149b975b5b78c5101d94d75eb94c5d65ef7cfe89731
[INFO] running `Command { std: "docker" "start" "-a" "af7d879fa1411ec31ebf8149b975b5b78c5101d94d75eb94c5d65ef7cfe89731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af7d879fa1411ec31ebf8149b975b5b78c5101d94d75eb94c5d65ef7cfe89731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7d879fa1411ec31ebf8149b975b5b78c5101d94d75eb94c5d65ef7cfe89731", kill_on_drop: false }`
[INFO] [stdout] af7d879fa1411ec31ebf8149b975b5b78c5101d94d75eb94c5d65ef7cfe89731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--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] cb45064d0026cba8b23b070cfe1c18dcb470d10940bbf2058577e2fd716163ed
[INFO] running `Command { std: "docker" "start" "-a" "cb45064d0026cba8b23b070cfe1c18dcb470d10940bbf2058577e2fd716163ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking twitchchat v0.14.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.27s
[INFO] running `Command { std: "docker" "inspect" "cb45064d0026cba8b23b070cfe1c18dcb470d10940bbf2058577e2fd716163ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb45064d0026cba8b23b070cfe1c18dcb470d10940bbf2058577e2fd716163ed", kill_on_drop: false }`
[INFO] [stdout] cb45064d0026cba8b23b070cfe1c18dcb470d10940bbf2058577e2fd716163ed