[INFO] cloning repository https://github.com/eguneys/pgn_filter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eguneys/pgn_filter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feguneys%2Fpgn_filter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feguneys%2Fpgn_filter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba5cafc9711abe43be77f5a74caa484b78eedfce [INFO] building eguneys/pgn_filter against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feguneys%2Fpgn_filter" "/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/eguneys/pgn_filter on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eguneys/pgn_filter [INFO] finished tweaking git repo https://github.com/eguneys/pgn_filter [INFO] tweaked toml for git repo https://github.com/eguneys/pgn_filter written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/eguneys/pgn_filter 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded shakmaty v0.20.7 [INFO] [stderr] Downloaded pgn-reader v0.19.0 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92567ca059da710dcf47475fadd508d83f2426c66234ab9e45172d57dc5f27d4 [INFO] running `Command { std: "docker" "start" "-a" "92567ca059da710dcf47475fadd508d83f2426c66234ab9e45172d57dc5f27d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92567ca059da710dcf47475fadd508d83f2426c66234ab9e45172d57dc5f27d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92567ca059da710dcf47475fadd508d83f2426c66234ab9e45172d57dc5f27d4", kill_on_drop: false }` [INFO] [stdout] 92567ca059da710dcf47475fadd508d83f2426c66234ab9e45172d57dc5f27d4 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbc9fa592807d91c3def4fa45d0429f0d426432a690a7dbde32f853a338e5a21 [INFO] running `Command { std: "docker" "start" "-a" "fbc9fa592807d91c3def4fa45d0429f0d426432a690a7dbde32f853a338e5a21", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling shakmaty v0.20.7 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling slice-deque v0.3.0 [INFO] [stderr] Compiling btoi v0.4.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling pgn-reader v0.19.0 [INFO] [stderr] Compiling pgn_filter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `shakmaty::fen::Fen` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use shakmaty::fen::Fen; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut reader = BufferedReader::new_cursor(&pgn[..]); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `link`, `fen`, `eval`, and `ply` are never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct FenEval { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 13 | link: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | fen: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 15 | eval: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | ply: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FenEval` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | ::std::mem::replace(&mut self.pos, Chess::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = ::std::mem::replace(&mut self.pos, Chess::default()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.75s [INFO] running `Command { std: "docker" "inspect" "fbc9fa592807d91c3def4fa45d0429f0d426432a690a7dbde32f853a338e5a21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbc9fa592807d91c3def4fa45d0429f0d426432a690a7dbde32f853a338e5a21", kill_on_drop: false }` [INFO] [stdout] fbc9fa592807d91c3def4fa45d0429f0d426432a690a7dbde32f853a338e5a21 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c067bec6141e9788898f9cc6557d57672366bfd841db6f8e24a9ca22289fd416 [INFO] running `Command { std: "docker" "start" "-a" "c067bec6141e9788898f9cc6557d57672366bfd841db6f8e24a9ca22289fd416", kill_on_drop: false }` [INFO] [stderr] Compiling pgn_filter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `shakmaty::fen::Fen` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use shakmaty::fen::Fen; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut reader = BufferedReader::new_cursor(&pgn[..]); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `link`, `fen`, `eval`, and `ply` are never read [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct FenEval { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 13 | link: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | fen: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 15 | eval: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | ply: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FenEval` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | ::std::mem::replace(&mut self.pos, Chess::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = ::std::mem::replace(&mut self.pos, Chess::default()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "c067bec6141e9788898f9cc6557d57672366bfd841db6f8e24a9ca22289fd416", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c067bec6141e9788898f9cc6557d57672366bfd841db6f8e24a9ca22289fd416", kill_on_drop: false }` [INFO] [stdout] c067bec6141e9788898f9cc6557d57672366bfd841db6f8e24a9ca22289fd416