[INFO] cloning repository https://github.com/jongregis/rust-discord-bot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jongregis/rust-discord-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjongregis%2Frust-discord-bot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjongregis%2Frust-discord-bot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b6499d134166376219be8463438f153132b18ac [INFO] checking jongregis/rust-discord-bot against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjongregis%2Frust-discord-bot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jongregis/rust-discord-bot on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jongregis/rust-discord-bot [INFO] finished tweaking git repo https://github.com/jongregis/rust-discord-bot [INFO] tweaked toml for git repo https://github.com/jongregis/rust-discord-bot written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jongregis/rust-discord-bot already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ipnet v2.4.0 [INFO] [stderr] Downloaded mio v0.8.1 [INFO] [stderr] Downloaded h2 v0.3.12 [INFO] [stderr] Downloaded serenity v0.10.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80f9e1c1858d9959ad20e8a8fc8499ea8fa22c0c3397787c840e60d25dc396f1 [INFO] running `Command { std: "docker" "start" "-a" "80f9e1c1858d9959ad20e8a8fc8499ea8fa22c0c3397787c840e60d25dc396f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80f9e1c1858d9959ad20e8a8fc8499ea8fa22c0c3397787c840e60d25dc396f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80f9e1c1858d9959ad20e8a8fc8499ea8fa22c0c3397787c840e60d25dc396f1", kill_on_drop: false }` [INFO] [stdout] 80f9e1c1858d9959ad20e8a8fc8499ea8fa22c0c3397787c840e60d25dc396f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d668a283c82d9b5262f810177a84e8f249ee598519bc7706f08b580c07728869 [INFO] running `Command { std: "docker" "start" "-a" "d668a283c82d9b5262f810177a84e8f249ee598519bc7706f08b580c07728869", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking tracing-core v0.1.23 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking mio v0.8.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling rustls v0.20.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking rustls-pemfile v0.2.1 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Compiling serenity v0.10.10 [INFO] [stderr] Checking ipnet v2.4.0 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking typemap_rev v0.1.5 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking webpki-roots v0.22.2 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking tracing v0.1.32 [INFO] [stderr] Checking serde v1.0.136 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-rustls v0.23.2 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking async-tungstenite v0.11.0 [INFO] [stderr] Checking h2 v0.3.12 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.79 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hyper v0.14.17 [INFO] [stderr] Checking hyper-rustls v0.23.0 [INFO] [stderr] Checking reqwest v0.11.9 [INFO] [stderr] Checking discord_bot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s [INFO] running `Command { std: "docker" "inspect" "d668a283c82d9b5262f810177a84e8f249ee598519bc7706f08b580c07728869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d668a283c82d9b5262f810177a84e8f249ee598519bc7706f08b580c07728869", kill_on_drop: false }` [INFO] [stdout] d668a283c82d9b5262f810177a84e8f249ee598519bc7706f08b580c07728869 [INFO] checking jongregis/rust-discord-bot against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjongregis%2Frust-discord-bot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jongregis/rust-discord-bot on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jongregis/rust-discord-bot [INFO] finished tweaking git repo https://github.com/jongregis/rust-discord-bot [INFO] tweaked toml for git repo https://github.com/jongregis/rust-discord-bot written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jongregis/rust-discord-bot already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06b9b486b9998594b80b6a0268ecbf40186a416ada1f89b5a555dd67a2f4cb71 [INFO] running `Command { std: "docker" "start" "-a" "06b9b486b9998594b80b6a0268ecbf40186a416ada1f89b5a555dd67a2f4cb71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06b9b486b9998594b80b6a0268ecbf40186a416ada1f89b5a555dd67a2f4cb71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06b9b486b9998594b80b6a0268ecbf40186a416ada1f89b5a555dd67a2f4cb71", kill_on_drop: false }` [INFO] [stdout] 06b9b486b9998594b80b6a0268ecbf40186a416ada1f89b5a555dd67a2f4cb71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d06152ae67dd4170af4dbaeeb202986bbb84601e3e027b6c505b309b3865ae7 [INFO] running `Command { std: "docker" "start" "-a" "6d06152ae67dd4170af4dbaeeb202986bbb84601e3e027b6c505b309b3865ae7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking tracing-core v0.1.23 [INFO] [stderr] Compiling rustls v0.20.4 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking rustls-pemfile v0.2.1 [INFO] [stderr] Compiling serenity v0.10.10 [INFO] [stderr] Checking ipnet v2.4.0 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking typemap_rev v0.1.5 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Checking webpki-roots v0.22.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking tracing v0.1.32 [INFO] [stderr] Checking serde v1.0.136 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-rustls v0.23.2 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking async-tungstenite v0.11.0 [INFO] [stderr] Checking h2 v0.3.12 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.79 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hyper v0.14.17 [INFO] [stderr] Checking hyper-rustls v0.23.0 [INFO] [stderr] Checking reqwest v0.11.9 [INFO] [stderr] Checking discord_bot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.28s [INFO] running `Command { std: "docker" "inspect" "6d06152ae67dd4170af4dbaeeb202986bbb84601e3e027b6c505b309b3865ae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d06152ae67dd4170af4dbaeeb202986bbb84601e3e027b6c505b309b3865ae7", kill_on_drop: false }` [INFO] [stdout] 6d06152ae67dd4170af4dbaeeb202986bbb84601e3e027b6c505b309b3865ae7