[INFO] fetching crate twilight 0.5.0...
[INFO] checking twilight-0.5.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate twilight 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate twilight 0.5.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twilight 0.5.0
[INFO] finished tweaking crates.io crate twilight 0.5.0
[INFO] tweaked toml for crates.io crate twilight 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twilight-mention v0.5.1
[INFO] [stderr]   Downloaded twilight-standby v0.5.0
[INFO] [stderr]   Downloaded twilight-command-parser v0.5.0
[INFO] [stderr]   Downloaded twilight-lavalink v0.5.1
[INFO] [stderr]   Downloaded twilight-cache-inmemory v0.5.2
[INFO] [stderr]   Downloaded twilight-util v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61506214ff4ba653edfc719dbbba642c068ccc4915f7633020486de84054f2f7
[INFO] running `Command { std: "docker" "start" "-a" "61506214ff4ba653edfc719dbbba642c068ccc4915f7633020486de84054f2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61506214ff4ba653edfc719dbbba642c068ccc4915f7633020486de84054f2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61506214ff4ba653edfc719dbbba642c068ccc4915f7633020486de84054f2f7", kill_on_drop: false }`
[INFO] [stdout] 61506214ff4ba653edfc719dbbba642c068ccc4915f7633020486de84054f2f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b192e4fd311040f13d6421f46b586372edb2742739245713268cbe9c1dbe84bc
[INFO] running `Command { std: "docker" "start" "-a" "b192e4fd311040f13d6421f46b586372edb2742739245713268cbe9c1dbe84bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking twilight-util v0.5.2
[INFO] [stderr]     Checking twilight v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking twilight-command-parser v0.5.0
[INFO] [stderr]     Checking twilight-model v0.5.3
[INFO] [stderr]     Checking tokio v1.8.2
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-tungstenite v0.14.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking twilight-http v0.5.6
[INFO] [stderr]     Checking twilight-standby v0.5.0
[INFO] [stderr]     Checking twilight-lavalink v0.5.1
[INFO] [stderr]     Checking twilight-mention v0.5.1
[INFO] [stderr]     Checking twilight-cache-inmemory v0.5.2
[INFO] [stderr]     Checking twilight-embed-builder v0.5.2
[INFO] [stderr]     Checking twilight-gateway-queue v0.5.0
[INFO] [stderr]     Checking twilight-gateway v0.5.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.46s
[INFO] running `Command { std: "docker" "inspect" "b192e4fd311040f13d6421f46b586372edb2742739245713268cbe9c1dbe84bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b192e4fd311040f13d6421f46b586372edb2742739245713268cbe9c1dbe84bc", kill_on_drop: false }`
[INFO] [stdout] b192e4fd311040f13d6421f46b586372edb2742739245713268cbe9c1dbe84bc