[INFO] cloning repository https://github.com/davefol/Poker-Range-Trainer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davefol/Poker-Range-Trainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavefol%2FPoker-Range-Trainer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavefol%2FPoker-Range-Trainer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5e2c3fa2ece904a9add1a513451dad80d470eee
[INFO] checking davefol/Poker-Range-Trainer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavefol%2FPoker-Range-Trainer" "/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/davefol/Poker-Range-Trainer 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 git repo https://github.com/davefol/Poker-Range-Trainer
[INFO] finished tweaking git repo https://github.com/davefol/Poker-Range-Trainer
[INFO] tweaked toml for git repo https://github.com/davefol/Poker-Range-Trainer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davefol/Poker-Range-Trainer 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 }`
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[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffcc37be7b6ead77983ef5068f3ca6960ab54431e12b8803825b24ddde3d17ae
[INFO] running `Command { std: "docker" "start" "-a" "ffcc37be7b6ead77983ef5068f3ca6960ab54431e12b8803825b24ddde3d17ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffcc37be7b6ead77983ef5068f3ca6960ab54431e12b8803825b24ddde3d17ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcc37be7b6ead77983ef5068f3ca6960ab54431e12b8803825b24ddde3d17ae", kill_on_drop: false }`
[INFO] [stdout] ffcc37be7b6ead77983ef5068f3ca6960ab54431e12b8803825b24ddde3d17ae
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7689d6e2dce2c48bdb1e7f4bf940340d47eafe8bca0f0ed25a615b75643962dc
[INFO] running `Command { std: "docker" "start" "-a" "7689d6e2dce2c48bdb1e7f4bf940340d47eafe8bca0f0ed25a615b75643962dc", kill_on_drop: false }`
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[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking smithay-clipboard v0.3.7
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking clipboard_wayland v0.1.0
[INFO] [stderr]     Checking window_clipboard v0.1.1
[INFO] [stderr]     Checking iced_winit v0.1.0
[INFO] [stderr]     Checking iced v0.1.1
[INFO] [stderr]     Checking range_trainer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/fileio.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::item::ReviewItem`
[INFO] [stdout]  --> src/review/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::item::ReviewItem;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::display::ReviewDisplay`
[INFO] [stdout]  --> src/review/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::display::ReviewDisplay;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/fileio.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::item::ReviewItem`
[INFO] [stdout]  --> src/review/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use self::item::ReviewItem;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::display::ReviewDisplay`
[INFO] [stdout]  --> src/review/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use self::display::ReviewDisplay;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "7689d6e2dce2c48bdb1e7f4bf940340d47eafe8bca0f0ed25a615b75643962dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7689d6e2dce2c48bdb1e7f4bf940340d47eafe8bca0f0ed25a615b75643962dc", kill_on_drop: false }`
[INFO] [stdout] 7689d6e2dce2c48bdb1e7f4bf940340d47eafe8bca0f0ed25a615b75643962dc
[INFO] checking davefol/Poker-Range-Trainer against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavefol%2FPoker-Range-Trainer" "/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/davefol/Poker-Range-Trainer 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 git repo https://github.com/davefol/Poker-Range-Trainer
[INFO] finished tweaking git repo https://github.com/davefol/Poker-Range-Trainer
[INFO] tweaked toml for git repo https://github.com/davefol/Poker-Range-Trainer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davefol/Poker-Range-Trainer 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac20516b754514c7487887491e17f79b4ba4eaa6d513306cd09fa228706db535
[INFO] running `Command { std: "docker" "start" "-a" "ac20516b754514c7487887491e17f79b4ba4eaa6d513306cd09fa228706db535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac20516b754514c7487887491e17f79b4ba4eaa6d513306cd09fa228706db535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac20516b754514c7487887491e17f79b4ba4eaa6d513306cd09fa228706db535", kill_on_drop: false }`
[INFO] [stdout] ac20516b754514c7487887491e17f79b4ba4eaa6d513306cd09fa228706db535
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2aef49e01a9647d1c686a5f81b2065dde2b097eca0bbb57d48e68ae7ce15600
[INFO] running `Command { std: "docker" "start" "-a" "a2aef49e01a9647d1c686a5f81b2065dde2b097eca0bbb57d48e68ae7ce15600", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking euclid v0.20.12
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking xmlparser v0.10.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking iced_core v0.2.1
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xmlparser-0.10.0/src/lib.rs:449:17
[INFO] [stdout]     |
[INFO] [stdout] 449 | /                 if $token_type == TokenType::Unknown {
[INFO] [stdout] 450 | |                     return Some(Err(Error::UnknownToken(pos)));
[INFO] [stdout] 451 | |                 } else {
[INFO] [stdout] 452 | |                     return Some(Err(Error::UnexpectedToken($token_type, pos)));
[INFO] [stdout] 453 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 466 |                               gen_err!(token_type);
[INFO] [stdout]     |                               -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `gen_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking png v0.15.3
[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]     Checking harfbuzz_rs v1.1.1
[INFO] [stderr] error: could not compile `xmlparser` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a2aef49e01a9647d1c686a5f81b2065dde2b097eca0bbb57d48e68ae7ce15600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2aef49e01a9647d1c686a5f81b2065dde2b097eca0bbb57d48e68ae7ce15600", kill_on_drop: false }`
[INFO] [stdout] a2aef49e01a9647d1c686a5f81b2065dde2b097eca0bbb57d48e68ae7ce15600