[INFO] cloning repository https://github.com/MorRutPlz/muffinbot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MorRutPlz/muffinbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorRutPlz%2Fmuffinbot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorRutPlz%2Fmuffinbot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1777e16858777a522527619717e6cd4d1d7de7ce [INFO] checking MorRutPlz/muffinbot against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorRutPlz%2Fmuffinbot" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MorRutPlz/muffinbot on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MorRutPlz/muffinbot [INFO] finished tweaking git repo https://github.com/MorRutPlz/muffinbot [INFO] tweaked toml for git repo https://github.com/MorRutPlz/muffinbot written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MorRutPlz/muffinbot 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/serenity-rs/serenity.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typemap_rev v0.1.5 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.24 [INFO] [stderr] Downloaded tokio-macros v1.2.0 [INFO] [stderr] Downloaded http-body v0.4.2 [INFO] [stderr] Downloaded pin-project-lite v0.2.6 [INFO] [stderr] Downloaded env_logger v0.8.3 [INFO] [stderr] Downloaded async-tungstenite v0.11.0 [INFO] [stderr] Downloaded indexmap v1.6.2 [INFO] [stderr] Downloaded base64 v0.12.3 [INFO] [stderr] Downloaded mio v0.7.11 [INFO] [stderr] Downloaded tungstenite v0.11.1 [INFO] [stderr] Downloaded tokio-util v0.6.7 [INFO] [stderr] Downloaded reqwest v0.11.3 [INFO] [stderr] Downloaded bumpalo v3.6.1 [INFO] [stderr] Downloaded h2 v0.3.3 [INFO] [stderr] Downloaded hyper v0.14.7 [INFO] [stderr] Downloaded syn v1.0.72 [INFO] [stderr] Downloaded socket2 v0.4.0 [INFO] [stderr] Downloaded webpki-roots v0.20.0 [INFO] [stderr] Downloaded hyper-rustls v0.22.1 [INFO] [stderr] Downloaded cpufeatures v0.1.4 [INFO] [stderr] Downloaded httpdate v1.0.0 [INFO] [stderr] Downloaded libc v0.2.94 [INFO] [stderr] Downloaded tokio v1.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ee772240a264d010f51eb7584bfb3ee65b925e9f3cf102c6e1b80421795e286 [INFO] running `Command { std: "docker" "start" "-a" "1ee772240a264d010f51eb7584bfb3ee65b925e9f3cf102c6e1b80421795e286", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ee772240a264d010f51eb7584bfb3ee65b925e9f3cf102c6e1b80421795e286", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ee772240a264d010f51eb7584bfb3ee65b925e9f3cf102c6e1b80421795e286", kill_on_drop: false }` [INFO] [stdout] 1ee772240a264d010f51eb7584bfb3ee65b925e9f3cf102c6e1b80421795e286 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76e2b320a401379922a1527730bab89f23b70377b3d1681c3c730adfaa9ec445 [INFO] running `Command { std: "docker" "start" "-a" "76e2b320a401379922a1527730bab89f23b70377b3d1681c3c730adfaa9ec445", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling tokio v1.6.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking cpufeatures v0.1.4 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking httpdate v1.0.0 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling async-trait v0.1.50 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Compiling serenity v0.10.7 (https://github.com/serenity-rs/serenity.git?branch=current#b03d14b9) [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking typemap_rev v0.1.5 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking sha-1 v0.9.6 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking env_logger v0.8.3 [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 v0.21.1 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking pin-project v1.0.7 [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 async-tungstenite v0.11.0 [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hyper v0.14.7 [INFO] [stderr] Checking hyper-rustls v0.22.1 [INFO] [stderr] Checking reqwest v0.11.3 [INFO] [stderr] Checking muffinbot v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:163:25 [INFO] [stdout] | [INFO] [stdout] 163 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 163 - drop(rate_limit); [INFO] [stdout] 163 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:194:25 [INFO] [stdout] | [INFO] [stdout] 194 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 194 - drop(rate_limit); [INFO] [stdout] 194 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:293:25 [INFO] [stdout] | [INFO] [stdout] 293 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 293 - drop(rate_limit); [INFO] [stdout] 293 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:326:25 [INFO] [stdout] | [INFO] [stdout] 326 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 326 - drop(rate_limit); [INFO] [stdout] 326 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:163:25 [INFO] [stdout] | [INFO] [stdout] 163 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 163 - drop(rate_limit); [INFO] [stdout] 163 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:194:25 [INFO] [stdout] | [INFO] [stdout] 194 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 194 - drop(rate_limit); [INFO] [stdout] 194 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:293:25 [INFO] [stdout] | [INFO] [stdout] 293 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 293 - drop(rate_limit); [INFO] [stdout] 293 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:326:25 [INFO] [stdout] | [INFO] [stdout] 326 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 326 - drop(rate_limit); [INFO] [stdout] 326 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.13s [INFO] running `Command { std: "docker" "inspect" "76e2b320a401379922a1527730bab89f23b70377b3d1681c3c730adfaa9ec445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76e2b320a401379922a1527730bab89f23b70377b3d1681c3c730adfaa9ec445", kill_on_drop: false }` [INFO] [stdout] 76e2b320a401379922a1527730bab89f23b70377b3d1681c3c730adfaa9ec445 [INFO] checking MorRutPlz/muffinbot against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorRutPlz%2Fmuffinbot" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MorRutPlz/muffinbot on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MorRutPlz/muffinbot [INFO] finished tweaking git repo https://github.com/MorRutPlz/muffinbot [INFO] tweaked toml for git repo https://github.com/MorRutPlz/muffinbot written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MorRutPlz/muffinbot 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 373d424a7a1201b55595887ca26aa9e423e376ef9e0314ed54433f335071dad7 [INFO] running `Command { std: "docker" "start" "-a" "373d424a7a1201b55595887ca26aa9e423e376ef9e0314ed54433f335071dad7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "373d424a7a1201b55595887ca26aa9e423e376ef9e0314ed54433f335071dad7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "373d424a7a1201b55595887ca26aa9e423e376ef9e0314ed54433f335071dad7", kill_on_drop: false }` [INFO] [stdout] 373d424a7a1201b55595887ca26aa9e423e376ef9e0314ed54433f335071dad7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5d8552646d55875671661f5a9e3c38eacd1d540d416a5eda51105e19e3ec54e [INFO] running `Command { std: "docker" "start" "-a" "b5d8552646d55875671661f5a9e3c38eacd1d540d416a5eda51105e19e3ec54e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling tokio v1.6.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking httpdate v1.0.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking cpufeatures v0.1.4 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling async-trait v0.1.50 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling serenity v0.10.7 (https://github.com/serenity-rs/serenity.git?branch=current#b03d14b9) [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking typemap_rev v0.1.5 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha-1 v0.9.6 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking tungstenite v0.11.1 [INFO] [stderr] Checking env_logger v0.8.3 [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 v0.21.1 [INFO] [stderr] Checking webpki-roots v0.20.0 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking pin-project v1.0.7 [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 async-tungstenite v0.11.0 [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hyper v0.14.7 [INFO] [stderr] Checking hyper-rustls v0.22.1 [INFO] [stderr] Checking reqwest v0.11.3 [INFO] [stderr] Checking muffinbot v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:28:51 [INFO] [stdout] | [INFO] [stdout] 28 | async fn ready(&self, ctx: Context, _: Ready) { [INFO] [stdout] | ___________________________------------____________^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | | ctx.set_presence( [INFO] [stdout] 30 | | Some(Activity::playing("DM me to post a confession! >:3")), [INFO] [stdout] 31 | | OnlineStatus::Online, [INFO] [stdout] ... | [INFO] [stdout] 35 | | info!("Ready!"); [INFO] [stdout] 36 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:38:65 [INFO] [stdout] | [INFO] [stdout] 38 | async fn message(&self, ctx: Context, new_message: Message) { [INFO] [stdout] | _____________________________------------__--------------------__^ [INFO] [stdout] | | | | [INFO] [stdout] | | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | | if new_message.is_private() && !new_message.is_own(&ctx.cache).await { [INFO] [stdout] 40 | | let mut data = ctx.data.write().await; [INFO] [stdout] 41 | | let rate_limit = data.get_mut::().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 99 | | } [INFO] [stdout] 100 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:102:74 [INFO] [stdout] | [INFO] [stdout] 102 | async fn channel_create(&self, ctx: Context, channel: &GuildChannel) { [INFO] [stdout] | ____________________________________------------__________________________^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 103 | | let mut data = ctx.data.write().await; [INFO] [stdout] 104 | | let rate_limit = data.get_mut::().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 211 | | } [INFO] [stdout] 212 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:163:25 [INFO] [stdout] | [INFO] [stdout] 163 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 163 - drop(rate_limit); [INFO] [stdout] 163 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:194:25 [INFO] [stdout] | [INFO] [stdout] 194 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 194 - drop(rate_limit); [INFO] [stdout] 194 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:220:7 [INFO] [stdout] | [INFO] [stdout] 216 | ctx: Context, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | ) { [INFO] [stdout] | _______^ [INFO] [stdout] 221 | | let mut data = ctx.data.write().await; [INFO] [stdout] 222 | | let rate_limit = data.get_mut::().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 346 | | } [INFO] [stdout] 347 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:293:25 [INFO] [stdout] | [INFO] [stdout] 293 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 293 - drop(rate_limit); [INFO] [stdout] 293 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:326:25 [INFO] [stdout] | [INFO] [stdout] 326 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 326 - drop(rate_limit); [INFO] [stdout] 326 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:28:51 [INFO] [stdout] | [INFO] [stdout] 28 | async fn ready(&self, ctx: Context, _: Ready) { [INFO] [stdout] | ___________________________------------____________^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | | ctx.set_presence( [INFO] [stdout] 30 | | Some(Activity::playing("DM me to post a confession! >:3")), [INFO] [stdout] 31 | | OnlineStatus::Online, [INFO] [stdout] ... | [INFO] [stdout] 35 | | info!("Ready!"); [INFO] [stdout] 36 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:38:65 [INFO] [stdout] | [INFO] [stdout] 38 | async fn message(&self, ctx: Context, new_message: Message) { [INFO] [stdout] | _____________________________------------__--------------------__^ [INFO] [stdout] | | | | [INFO] [stdout] | | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | | if new_message.is_private() && !new_message.is_own(&ctx.cache).await { [INFO] [stdout] 40 | | let mut data = ctx.data.write().await; [INFO] [stdout] 41 | | let rate_limit = data.get_mut::().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 99 | | } [INFO] [stdout] 100 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:102:74 [INFO] [stdout] | [INFO] [stdout] 102 | async fn channel_create(&self, ctx: Context, channel: &GuildChannel) { [INFO] [stdout] | ____________________________________------------__________________________^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 103 | | let mut data = ctx.data.write().await; [INFO] [stdout] 104 | | let rate_limit = data.get_mut::().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 211 | | } [INFO] [stdout] 212 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:163:25 [INFO] [stdout] | [INFO] [stdout] 163 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 163 - drop(rate_limit); [INFO] [stdout] 163 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:194:25 [INFO] [stdout] | [INFO] [stdout] 194 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 194 - drop(rate_limit); [INFO] [stdout] 194 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:220:7 [INFO] [stdout] | [INFO] [stdout] 216 | ctx: Context, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | ) { [INFO] [stdout] | _______^ [INFO] [stdout] 221 | | let mut data = ctx.data.write().await; [INFO] [stdout] 222 | | let rate_limit = data.get_mut::().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 346 | | } [INFO] [stdout] 347 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:293:25 [INFO] [stdout] | [INFO] [stdout] 293 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 293 - drop(rate_limit); [INFO] [stdout] 293 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:326:25 [INFO] [stdout] | [INFO] [stdout] 326 | drop(rate_limit); [INFO] [stdout] | ^^^^^----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 326 - drop(rate_limit); [INFO] [stdout] 326 + let _ = rate_limit; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `muffinbot` (bin "muffinbot") due to 5 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `muffinbot` (bin "muffinbot" test) due to 5 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b5d8552646d55875671661f5a9e3c38eacd1d540d416a5eda51105e19e3ec54e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5d8552646d55875671661f5a9e3c38eacd1d540d416a5eda51105e19e3ec54e", kill_on_drop: false }` [INFO] [stdout] b5d8552646d55875671661f5a9e3c38eacd1d540d416a5eda51105e19e3ec54e