[INFO] fetching crate blackbox-presetgen 0.1.2... [INFO] checking blackbox-presetgen-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate blackbox-presetgen 0.1.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate blackbox-presetgen 0.1.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate blackbox-presetgen 0.1.2 [INFO] finished tweaking crates.io crate blackbox-presetgen 0.1.2 [INFO] tweaked toml for crates.io crate blackbox-presetgen 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate blackbox-presetgen 0.1.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quick-xml v0.20.0 [INFO] [stderr] Downloaded hound v3.4.0 [INFO] [stderr] Downloaded syn v1.0.51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c9501f8500a47ddc34c10c4b32659c4ff4920d59127a510f72c1d803576d512 [INFO] running `Command { std: "docker" "start" "-a" "8c9501f8500a47ddc34c10c4b32659c4ff4920d59127a510f72c1d803576d512", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c9501f8500a47ddc34c10c4b32659c4ff4920d59127a510f72c1d803576d512", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c9501f8500a47ddc34c10c4b32659c4ff4920d59127a510f72c1d803576d512", kill_on_drop: false }` [INFO] [stdout] 8c9501f8500a47ddc34c10c4b32659c4ff4920d59127a510f72c1d803576d512 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e24891bfc2cb41320100f6993cf1293cbed8c05fac2869fa4cf4485e7c3d171 [INFO] running `Command { std: "docker" "start" "-a" "1e24891bfc2cb41320100f6993cf1293cbed8c05fac2869fa4cf4485e7c3d171", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking quick-xml v0.20.0 [INFO] [stderr] Checking blackbox-presetgen v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/preset.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hound` is imported redundantly [INFO] [stdout] --> src/sample.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use hound; [INFO] [stdout] | ^^^^^ the item `hound` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/preset.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `hound` is imported redundantly [INFO] [stdout] --> src/sample.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use hound; [INFO] [stdout] | ^^^^^ the item `hound` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.20.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "1e24891bfc2cb41320100f6993cf1293cbed8c05fac2869fa4cf4485e7c3d171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e24891bfc2cb41320100f6993cf1293cbed8c05fac2869fa4cf4485e7c3d171", kill_on_drop: false }` [INFO] [stdout] 1e24891bfc2cb41320100f6993cf1293cbed8c05fac2869fa4cf4485e7c3d171 [INFO] checking blackbox-presetgen-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate blackbox-presetgen 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate blackbox-presetgen 0.1.2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate blackbox-presetgen 0.1.2 [INFO] finished tweaking crates.io crate blackbox-presetgen 0.1.2 [INFO] tweaked toml for crates.io crate blackbox-presetgen 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate blackbox-presetgen 0.1.2 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3f1bee4e48585324486a75758a138be655e5229405448f33a476e957e7201a1 [INFO] running `Command { std: "docker" "start" "-a" "e3f1bee4e48585324486a75758a138be655e5229405448f33a476e957e7201a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3f1bee4e48585324486a75758a138be655e5229405448f33a476e957e7201a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3f1bee4e48585324486a75758a138be655e5229405448f33a476e957e7201a1", kill_on_drop: false }` [INFO] [stdout] e3f1bee4e48585324486a75758a138be655e5229405448f33a476e957e7201a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca6d6b4d6add0c8c02657369764f050c08be109c0dfff1d2c1edc0d5ec3bc541 [INFO] running `Command { std: "docker" "start" "-a" "ca6d6b4d6add0c8c02657369764f050c08be109c0dfff1d2c1edc0d5ec3bc541", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.51 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking quick-xml v0.20.0 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quick-xml-0.20.0/src/events/attributes.rs:235:17 [INFO] [stdout] | [INFO] [stdout] 235 | / if self.html { [INFO] [stdout] 236 | | attr!($key, 0..0) [INFO] [stdout] 237 | | } else { [INFO] [stdout] 238 | | return None; [INFO] [stdout] 239 | | }; [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 262 | None => attr!(self.position..len), [INFO] [stdout] | ------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `attr` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `quick-xml` (lib) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ca6d6b4d6add0c8c02657369764f050c08be109c0dfff1d2c1edc0d5ec3bc541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca6d6b4d6add0c8c02657369764f050c08be109c0dfff1d2c1edc0d5ec3bc541", kill_on_drop: false }` [INFO] [stdout] ca6d6b4d6add0c8c02657369764f050c08be109c0dfff1d2c1edc0d5ec3bc541