[INFO] cloning repository https://github.com/thebenkogan/rust-chess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thebenkogan/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebenkogan%2Frust-chess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebenkogan%2Frust-chess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e80b0c81b0d5eb0a791a596f930223cca7a86bd [INFO] testing thebenkogan/rust-chess against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebenkogan%2Frust-chess" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/thebenkogan/rust-chess [INFO] finished tweaking git repo https://github.com/thebenkogan/rust-chess [INFO] tweaked toml for git repo https://github.com/thebenkogan/rust-chess written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/thebenkogan/rust-chess on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/thebenkogan/rust-chess 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7cb67b0cd1078cd900f3b5f80f8fb7378bc17b6d3aa282c0bb0a54dc184f3804 [INFO] running `Command { std: "docker" "start" "-a" "7cb67b0cd1078cd900f3b5f80f8fb7378bc17b6d3aa282c0bb0a54dc184f3804", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7cb67b0cd1078cd900f3b5f80f8fb7378bc17b6d3aa282c0bb0a54dc184f3804", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cb67b0cd1078cd900f3b5f80f8fb7378bc17b6d3aa282c0bb0a54dc184f3804", kill_on_drop: false }` [INFO] [stdout] 7cb67b0cd1078cd900f3b5f80f8fb7378bc17b6d3aa282c0bb0a54dc184f3804 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ce7b8842450df080c141728c6a3e4d611eb957ae294631397e6b7e2801b388d [INFO] running `Command { std: "docker" "start" "-a" "8ce7b8842450df080c141728c6a3e4d611eb957ae294631397e6b7e2801b388d", kill_on_drop: false }` [INFO] [stderr] Compiling chess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `remove` is never used [INFO] [stdout] --> src/board.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Board { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn remove(&mut self, pos: Vector) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `STARTING_FEN` is never used [INFO] [stdout] --> src/state.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | const STARTING_FEN: &str = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `reversions` is never read [INFO] [stdout] --> src/state.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct State { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | pub reversions: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/state.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Reversion { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 22 | mv: Move, [INFO] [stdout] | ^^ [INFO] [stdout] 23 | captured_piece: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 24 | white_castle_kingside: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 25 | white_castle_queenside: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 26 | black_castle_kingside: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 27 | black_castle_queenside: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 28 | en_passant_square: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/state.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl State { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 32 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn push(&mut self, mv: Move) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | pub fn pop(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/board.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn iter(&self) -> Iter> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | pub fn iter(&self) -> Iter<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "8ce7b8842450df080c141728c6a3e4d611eb957ae294631397e6b7e2801b388d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ce7b8842450df080c141728c6a3e4d611eb957ae294631397e6b7e2801b388d", kill_on_drop: false }` [INFO] [stdout] 8ce7b8842450df080c141728c6a3e4d611eb957ae294631397e6b7e2801b388d [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d7ffc5c4daac68edb90b8c533e5198764525f1a1f8d17c34e3c42eae3036f63 [INFO] running `Command { std: "docker" "start" "-a" "5d7ffc5c4daac68edb90b8c533e5198764525f1a1f8d17c34e3c42eae3036f63", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.58 [INFO] [stderr] Compiling quote v1.0.27 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "5d7ffc5c4daac68edb90b8c533e5198764525f1a1f8d17c34e3c42eae3036f63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d7ffc5c4daac68edb90b8c533e5198764525f1a1f8d17c34e3c42eae3036f63", kill_on_drop: false }` [INFO] [stdout] 5d7ffc5c4daac68edb90b8c533e5198764525f1a1f8d17c34e3c42eae3036f63