[INFO] fetching crate twitch_chat_wrapper 0.2.0...
[INFO] checking twitch_chat_wrapper-0.2.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate twitch_chat_wrapper 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate twitch_chat_wrapper 0.2.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitch_chat_wrapper 0.2.0
[INFO] finished tweaking crates.io crate twitch_chat_wrapper 0.2.0
[INFO] tweaked toml for crates.io crate twitch_chat_wrapper 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-io v1.1.6
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded smol v0.3.3
[INFO] [stderr]   Downloaded polling v0.1.9
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded blocking v0.5.2
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded twitchchat v0.14.8
[INFO] [stderr]   Downloaded polling v1.1.0
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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] bd84974913f92e08eb7d6f1105e506f2e76c08e2cd68c73417f4b2e8e09bbf3a
[INFO] running `Command { std: "docker" "start" "-a" "bd84974913f92e08eb7d6f1105e506f2e76c08e2cd68c73417f4b2e8e09bbf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd84974913f92e08eb7d6f1105e506f2e76c08e2cd68c73417f4b2e8e09bbf3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd84974913f92e08eb7d6f1105e506f2e76c08e2cd68c73417f4b2e8e09bbf3a", kill_on_drop: false }`
[INFO] [stdout] bd84974913f92e08eb7d6f1105e506f2e76c08e2cd68c73417f4b2e8e09bbf3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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] a16d3b30f583039e14856127e1795f62066ebc8faf9dfb23bec648d425d10ca7
[INFO] running `Command { std: "docker" "start" "-a" "a16d3b30f583039e14856127e1795f62066ebc8faf9dfb23bec648d425d10ca7", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking indenter v0.3.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking polling v0.1.9
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking smol v0.3.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.1.6
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking twitchchat v0.14.8
[INFO] [stderr]     Checking twitch_chat_wrapper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.39s
[INFO] running `Command { std: "docker" "inspect" "a16d3b30f583039e14856127e1795f62066ebc8faf9dfb23bec648d425d10ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16d3b30f583039e14856127e1795f62066ebc8faf9dfb23bec648d425d10ca7", kill_on_drop: false }`
[INFO] [stdout] a16d3b30f583039e14856127e1795f62066ebc8faf9dfb23bec648d425d10ca7