[INFO] fetching crate n2qr 0.1.0...
[INFO] checking n2qr-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate n2qr 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate n2qr 0.1.0 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 n2qr 0.1.0
[INFO] finished tweaking crates.io crate n2qr 0.1.0
[INFO] tweaked toml for crates.io crate n2qr 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate n2qr 0.1.0 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 hex-rgb v0.1.1
[INFO] [stderr]   Downloaded memmap2 v0.5.5
[INFO] [stderr]   Downloaded nix v0.24.1
[INFO] [stderr]   Downloaded qrcodegen v1.8.0
[INFO] [stderr]   Downloaded clap v3.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2341b0e500468a45bd4e74b20f70a5af0591778e9ebdd455e1a209e99d49c12
[INFO] running `Command { std: "docker" "start" "-a" "a2341b0e500468a45bd4e74b20f70a5af0591778e9ebdd455e1a209e99d49c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2341b0e500468a45bd4e74b20f70a5af0591778e9ebdd455e1a209e99d49c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2341b0e500468a45bd4e74b20f70a5af0591778e9ebdd455e1a209e99d49c12", kill_on_drop: false }`
[INFO] [stdout] a2341b0e500468a45bd4e74b20f70a5af0591778e9ebdd455e1a209e99d49c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9dc45f07acaa836eb6193065800fdf0654ae71477cd7d453e24141238468235a
[INFO] running `Command { std: "docker" "start" "-a" "9dc45f07acaa836eb6193065800fdf0654ae71477cd7d453e24141238468235a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.5.5
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking qrcodegen v1.8.0
[INFO] [stderr]     Checking wayland-commons v0.29.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking x11-clipboard v0.5.3
[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking smithay-clipboard v0.6.6
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking hex-rgb v0.1.1
[INFO] [stderr]     Checking n2qr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9dc45f07acaa836eb6193065800fdf0654ae71477cd7d453e24141238468235a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc45f07acaa836eb6193065800fdf0654ae71477cd7d453e24141238468235a", kill_on_drop: false }`
[INFO] [stdout] 9dc45f07acaa836eb6193065800fdf0654ae71477cd7d453e24141238468235a
[INFO] checking n2qr-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate n2qr 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate n2qr 0.1.0 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 n2qr 0.1.0
[INFO] finished tweaking crates.io crate n2qr 0.1.0
[INFO] tweaked toml for crates.io crate n2qr 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate n2qr 0.1.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7471004951b2c52d38f568648d6b561aeff2e83a4f2eeb7be7002056f5a535d2
[INFO] running `Command { std: "docker" "start" "-a" "7471004951b2c52d38f568648d6b561aeff2e83a4f2eeb7be7002056f5a535d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7471004951b2c52d38f568648d6b561aeff2e83a4f2eeb7be7002056f5a535d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7471004951b2c52d38f568648d6b561aeff2e83a4f2eeb7be7002056f5a535d2", kill_on_drop: false }`
[INFO] [stdout] 7471004951b2c52d38f568648d6b561aeff2e83a4f2eeb7be7002056f5a535d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 04a35f0afc585eebce8d8c368ce72e603678dbff06ee2dd81ff679c9e9e65b56
[INFO] running `Command { std: "docker" "start" "-a" "04a35f0afc585eebce8d8c368ce72e603678dbff06ee2dd81ff679c9e9e65b56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quick-xml-0.22.0/src/events/attributes.rs:352:17
[INFO] [stdout]     |
[INFO] [stdout] 352 | /                 if self.html {
[INFO] [stdout] 353 | |                     attr!($key, 0..0)
[INFO] [stdout] 354 | |                 } else {
[INFO] [stdout] 355 | |                     return None;
[INFO] [stdout] 356 | |                 };
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 379 |               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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "04a35f0afc585eebce8d8c368ce72e603678dbff06ee2dd81ff679c9e9e65b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a35f0afc585eebce8d8c368ce72e603678dbff06ee2dd81ff679c9e9e65b56", kill_on_drop: false }`
[INFO] [stdout] 04a35f0afc585eebce8d8c368ce72e603678dbff06ee2dd81ff679c9e9e65b56