[INFO] cloning repository https://github.com/madoromizm/rust_reversi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madoromizm/rust_reversi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadoromizm%2Frust_reversi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadoromizm%2Frust_reversi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc64ba397d558a89a67e891c78df6e2be612b8e4 [INFO] checking madoromizm/rust_reversi against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadoromizm%2Frust_reversi" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/madoromizm/rust_reversi 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/madoromizm/rust_reversi [INFO] finished tweaking git repo https://github.com/madoromizm/rust_reversi [INFO] tweaked toml for git repo https://github.com/madoromizm/rust_reversi written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/madoromizm/rust_reversi 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] 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] 0bcc380a2dbfa00bc5c1416492114025c7cb3f7510333497e345d9d1ec216781 [INFO] running `Command { std: "docker" "start" "-a" "0bcc380a2dbfa00bc5c1416492114025c7cb3f7510333497e345d9d1ec216781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bcc380a2dbfa00bc5c1416492114025c7cb3f7510333497e345d9d1ec216781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bcc380a2dbfa00bc5c1416492114025c7cb3f7510333497e345d9d1ec216781", kill_on_drop: false }` [INFO] [stdout] 0bcc380a2dbfa00bc5c1416492114025c7cb3f7510333497e345d9d1ec216781 [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] 14060182d2a62de62c72476a0020980ad09c6ee6dd1d37040e787951c7620e7f [INFO] running `Command { std: "docker" "start" "-a" "14060182d2a62de62c72476a0020980ad09c6ee6dd1d37040e787951c7620e7f", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking rust_reversi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::error::ReversiError` [INFO] [stdout] --> src/view/game_view.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::error::ReversiError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/service/reversi_service.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`, `Write`, `self` [INFO] [stdout] --> src/service/reversi_service.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, BufWriter}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^ ^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/service/reversi_service.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::domain_model::cell_pos::CellPos` [INFO] [stdout] --> src/service/reversi_service.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::domain_model::cell_pos::CellPos; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::domain_model::board::Board` [INFO] [stdout] --> src/service/reversi_service.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::domain_model::board::Board; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::error::ReversiError` [INFO] [stdout] --> src/view/game_view.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::error::ReversiError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/service/reversi_service.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`, `Write`, `self` [INFO] [stdout] --> src/service/reversi_service.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{self, Read, Write, BufRead, BufReader, BufWriter}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^ ^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `regex::Regex` [INFO] [stdout] --> src/service/reversi_service.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use regex::Regex; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::domain_model::cell_pos::CellPos` [INFO] [stdout] --> src/service/reversi_service.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::domain_model::cell_pos::CellPos; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::domain_model::board::Board` [INFO] [stdout] --> src/service/reversi_service.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::domain_model::board::Board; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/view/game_view.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut row = 0usize; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col` is never read [INFO] [stdout] --> src/view/game_view.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut col = 0usize; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/view/game_view.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut row = 0usize; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col` is never read [INFO] [stdout] --> src/view/game_view.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut col = 0usize; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/view/game_view.rs:127:21 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn show_history(state: &ReversiState) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/view/game_view.rs:127:21 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn show_history(state: &ReversiState) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show_history` is never used [INFO] [stdout] --> src/view/game_view.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn show_history(state: &ReversiState) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `count_white_stones` is never used [INFO] [stdout] --> src/domain_model/board.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Board { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | pub fn count_white_stones(&self) -> i8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `redo` is never used [INFO] [stdout] --> src/domain_model/reversi_state.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl ReversiState { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn redo(&mut self) -> Result<(), ReversiError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw` is never used [INFO] [stdout] --> src/domain_model/cell.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub trait ICellState { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 26 | fn draw(&self); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pass` is never used [INFO] [stdout] --> src/service/reversi_service.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn pass(state: &mut ReversiState) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_history_size` is never used [INFO] [stdout] --> src/service/reversi_service.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn get_history_size(state: &ReversiState) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `undo` is never used [INFO] [stdout] --> src/service/reversi_service.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn undo(state: &mut ReversiState) -> Result<(), ReversiError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `redo` is never used [INFO] [stdout] --> src/service/reversi_service.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn redo(state: &mut ReversiState) -> Result<(), ReversiError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/domain_model/board.rs:52:11 [INFO] [stdout] | [INFO] [stdout] 52 | !(row < 0 || 9 < row || col < 0 || 9 < col) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/domain_model/board.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | !(row < 0 || 9 < row || col < 0 || 9 < col) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show_history` is never used [INFO] [stdout] --> src/view/game_view.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn show_history(state: &ReversiState) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `count_white_stones` is never used [INFO] [stdout] --> src/domain_model/board.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Board { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | pub fn count_white_stones(&self) -> i8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `redo` is never used [INFO] [stdout] --> src/domain_model/reversi_state.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl ReversiState { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn redo(&mut self) -> Result<(), ReversiError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw` is never used [INFO] [stdout] --> src/domain_model/cell.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub trait ICellState { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 26 | fn draw(&self); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pass` is never used [INFO] [stdout] --> src/service/reversi_service.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn pass(state: &mut ReversiState) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_history_size` is never used [INFO] [stdout] --> src/service/reversi_service.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn get_history_size(state: &ReversiState) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `undo` is never used [INFO] [stdout] --> src/service/reversi_service.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn undo(state: &mut ReversiState) -> Result<(), ReversiError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `redo` is never used [INFO] [stdout] --> src/service/reversi_service.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn redo(state: &mut ReversiState) -> Result<(), ReversiError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/domain_model/board.rs:52:11 [INFO] [stdout] | [INFO] [stdout] 52 | !(row < 0 || 9 < row || col < 0 || 9 < col) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/domain_model/board.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | !(row < 0 || 9 < row || col < 0 || 9 < col) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/service/reversi_service.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | state.board.set_cell(row, col, stone); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = state.board.set_cell(row, col, stone); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/service/reversi_service.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | state.board.set_cell(row, col, stone); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = state.board.set_cell(row, col, stone); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "14060182d2a62de62c72476a0020980ad09c6ee6dd1d37040e787951c7620e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14060182d2a62de62c72476a0020980ad09c6ee6dd1d37040e787951c7620e7f", kill_on_drop: false }` [INFO] [stdout] 14060182d2a62de62c72476a0020980ad09c6ee6dd1d37040e787951c7620e7f [INFO] checking madoromizm/rust_reversi against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadoromizm%2Frust_reversi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/madoromizm/rust_reversi 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/madoromizm/rust_reversi [INFO] finished tweaking git repo https://github.com/madoromizm/rust_reversi [INFO] tweaked toml for git repo https://github.com/madoromizm/rust_reversi written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/madoromizm/rust_reversi 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] d4b88cf48ae99133734bce73a89ac361eda7b223777c6d0a526bb6ed02f8dc7c [INFO] running `Command { std: "docker" "start" "-a" "d4b88cf48ae99133734bce73a89ac361eda7b223777c6d0a526bb6ed02f8dc7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4b88cf48ae99133734bce73a89ac361eda7b223777c6d0a526bb6ed02f8dc7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4b88cf48ae99133734bce73a89ac361eda7b223777c6d0a526bb6ed02f8dc7c", kill_on_drop: false }` [INFO] [stdout] d4b88cf48ae99133734bce73a89ac361eda7b223777c6d0a526bb6ed02f8dc7c [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] 47be2cebfbaa21e3fa1f40851653721e18541bd899dd0746163dac44bdc3fdc0 [INFO] running `Command { std: "docker" "start" "-a" "47be2cebfbaa21e3fa1f40851653721e18541bd899dd0746163dac44bdc3fdc0", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking regex v1.3.9 [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] running `Command { std: "docker" "inspect" "47be2cebfbaa21e3fa1f40851653721e18541bd899dd0746163dac44bdc3fdc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47be2cebfbaa21e3fa1f40851653721e18541bd899dd0746163dac44bdc3fdc0", kill_on_drop: false }` [INFO] [stdout] 47be2cebfbaa21e3fa1f40851653721e18541bd899dd0746163dac44bdc3fdc0