[INFO] fetching crate littlewing 0.7.0... [INFO] checking littlewing-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate littlewing 0.7.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate littlewing 0.7.0 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 littlewing 0.7.0 [INFO] finished tweaking crates.io crate littlewing 0.7.0 [INFO] tweaked toml for crates.io crate littlewing 0.7.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate littlewing 0.7.0 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] Downloading crates ... [INFO] [stderr] Downloaded dirs-next v1.0.1 [INFO] [stderr] Downloaded dirs v3.0.0 [INFO] [stderr] Downloaded dirs-sys-next v0.1.0 [INFO] [stderr] Downloaded rustyline v6.2.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0ea98bac2709c958ead1bf4c07463de260b6ee877cfe50942075b0a7385b76d [INFO] running `Command { std: "docker" "start" "-a" "f0ea98bac2709c958ead1bf4c07463de260b6ee877cfe50942075b0a7385b76d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0ea98bac2709c958ead1bf4c07463de260b6ee877cfe50942075b0a7385b76d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0ea98bac2709c958ead1bf4c07463de260b6ee877cfe50942075b0a7385b76d", kill_on_drop: false }` [INFO] [stdout] f0ea98bac2709c958ead1bf4c07463de260b6ee877cfe50942075b0a7385b76d [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 768cfb1087003d7485554f18f41a881c6b74df1d7fa1866a1a511f8921c39e50 [INFO] running `Command { std: "docker" "start" "-a" "768cfb1087003d7485554f18f41a881c6b74df1d7fa1866a1a511f8921c39e50", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking no-std-compat v0.4.1 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking dirs-sys-next v0.1.0 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking dirs v3.0.0 [INFO] [stderr] Checking dirs-next v1.0.1 [INFO] [stderr] Compiling rustyline-derive v0.3.1 [INFO] [stderr] Checking rustyline v6.2.0 [INFO] [stderr] Checking littlewing v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/piece_move.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use piece::PieceChar; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 6 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move_list.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/fen.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 4 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use piece::PieceChar; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/fen.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 5 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceAttr` is imported redundantly [INFO] [stdout] --> src/game.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 6 | use piece::*; [INFO] [stdout] | -------- the item `PieceAttr` is already imported here [INFO] [stdout] ... [INFO] [stdout] 15 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/game.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 6 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] ... [INFO] [stdout] 15 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceAttr` is imported redundantly [INFO] [stdout] --> src/piece_move_generator.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 4 | use piece::*; [INFO] [stdout] | -------- the item `PieceAttr` is already imported here [INFO] [stdout] ... [INFO] [stdout] 13 | use piece::PieceAttr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move_generator.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 5 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 14 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceAttr` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 11 | use piece::*; [INFO] [stdout] | -------- the item `PieceAttr` is already imported here [INFO] [stdout] 12 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 11 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] 12 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] 15 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/piece_move.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use piece::PieceChar; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 6 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move_list.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceMove` is imported redundantly [INFO] [stdout] --> src/transposition.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 77 | use super::*; [INFO] [stdout] | -------- the item `PieceMove` is already imported here [INFO] [stdout] 78 | use piece_move::PieceMove; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/transposition_table.rs:188:21 [INFO] [stdout] | [INFO] [stdout] 188 | use std::sync::{Arc, Barrier}; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceMove` is imported redundantly [INFO] [stdout] --> src/transposition_table.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 192 | use super::*; [INFO] [stdout] | -------- the item `PieceMove` is already imported here [INFO] [stdout] 193 | use square::*; [INFO] [stdout] 194 | use piece_move::PieceMove; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Game` is imported redundantly [INFO] [stdout] --> src/eval.rs:281:9 [INFO] [stdout] | [INFO] [stdout] 279 | use super::*; [INFO] [stdout] | -------- the item `Game` is already imported here [INFO] [stdout] 280 | use fen::FEN; [INFO] [stdout] 281 | use game::Game; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceMove` is imported redundantly [INFO] [stdout] --> src/eval.rs:282:9 [INFO] [stdout] | [INFO] [stdout] 279 | use super::*; [INFO] [stdout] | -------- the item `PieceMove` is already imported here [INFO] [stdout] ... [INFO] [stdout] 282 | use piece_move::PieceMove; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/fen.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 4 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use piece::PieceChar; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/fen.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 5 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceAttr` is imported redundantly [INFO] [stdout] --> src/game.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 6 | use piece::*; [INFO] [stdout] | -------- the item `PieceAttr` is already imported here [INFO] [stdout] ... [INFO] [stdout] 15 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/game.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 6 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] ... [INFO] [stdout] 15 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Game` is imported redundantly [INFO] [stdout] --> src/pgn.rs:239:9 [INFO] [stdout] | [INFO] [stdout] 239 | use game::Game; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 243 | use super::*; [INFO] [stdout] | -------- the item `Game` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceMoveGenerator` is imported redundantly [INFO] [stdout] --> src/pgn.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | use piece_move_generator::PieceMoveGenerator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 242 | [INFO] [stdout] 243 | use super::*; [INFO] [stdout] | -------- the item `PieceMoveGenerator` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceAttr` is imported redundantly [INFO] [stdout] --> src/piece_move_generator.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 4 | use piece::*; [INFO] [stdout] | -------- the item `PieceAttr` is already imported here [INFO] [stdout] ... [INFO] [stdout] 13 | use piece::PieceAttr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move_generator.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 5 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 14 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceMove` is imported redundantly [INFO] [stdout] --> src/piece_move_generator.rs:455:9 [INFO] [stdout] | [INFO] [stdout] 455 | use piece_move::PieceMove; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 459 | use super::*; [INFO] [stdout] | -------- the item `PieceMove` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Game` is imported redundantly [INFO] [stdout] --> src/piece_move_generator.rs:457:9 [INFO] [stdout] | [INFO] [stdout] 457 | use game::Game; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 458 | use piece_move_notation::PieceMoveNotation; [INFO] [stdout] 459 | use super::*; [INFO] [stdout] | -------- the item `Game` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceAttr` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 11 | use piece::*; [INFO] [stdout] | -------- the item `PieceAttr` is already imported here [INFO] [stdout] 12 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceChar` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 11 | use piece::*; [INFO] [stdout] | -------- the item `PieceChar` is already imported here [INFO] [stdout] 12 | use piece::{PieceAttr, PieceChar}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SquareExt` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | use square::*; [INFO] [stdout] | --------- the item `SquareExt` is already imported here [INFO] [stdout] 15 | use square::SquareExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PieceMove` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:249:9 [INFO] [stdout] | [INFO] [stdout] 249 | use piece_move::PieceMove; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 252 | use super::*; [INFO] [stdout] | -------- the item `PieceMove` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Game` is imported redundantly [INFO] [stdout] --> src/piece_move_notation.rs:251:9 [INFO] [stdout] | [INFO] [stdout] 251 | use game::Game; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 252 | use super::*; [INFO] [stdout] | -------- the item `Game` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s [INFO] running `Command { std: "docker" "inspect" "768cfb1087003d7485554f18f41a881c6b74df1d7fa1866a1a511f8921c39e50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "768cfb1087003d7485554f18f41a881c6b74df1d7fa1866a1a511f8921c39e50", kill_on_drop: false }` [INFO] [stdout] 768cfb1087003d7485554f18f41a881c6b74df1d7fa1866a1a511f8921c39e50 [INFO] checking littlewing-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate littlewing 0.7.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate littlewing 0.7.0 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 littlewing 0.7.0 [INFO] finished tweaking crates.io crate littlewing 0.7.0 [INFO] tweaked toml for crates.io crate littlewing 0.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate littlewing 0.7.0 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 974e48613970abddda852f41c3959a06a94deca0dcf04a1d10531b3d00a68c62 [INFO] running `Command { std: "docker" "start" "-a" "974e48613970abddda852f41c3959a06a94deca0dcf04a1d10531b3d00a68c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "974e48613970abddda852f41c3959a06a94deca0dcf04a1d10531b3d00a68c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "974e48613970abddda852f41c3959a06a94deca0dcf04a1d10531b3d00a68c62", kill_on_drop: false }` [INFO] [stdout] 974e48613970abddda852f41c3959a06a94deca0dcf04a1d10531b3d00a68c62 [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" "-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] f10cf02cb235a88d7abb1e29b4a1cf81676a4154358621c5edefef2251fe7b33 [INFO] running `Command { std: "docker" "start" "-a" "f10cf02cb235a88d7abb1e29b4a1cf81676a4154358621c5edefef2251fe7b33", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking no-std-compat v0.4.1 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking dirs-sys-next v0.1.0 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-next v1.0.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking dirs v3.0.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.9/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [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 E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f10cf02cb235a88d7abb1e29b4a1cf81676a4154358621c5edefef2251fe7b33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f10cf02cb235a88d7abb1e29b4a1cf81676a4154358621c5edefef2251fe7b33", kill_on_drop: false }` [INFO] [stdout] f10cf02cb235a88d7abb1e29b4a1cf81676a4154358621c5edefef2251fe7b33