[INFO] cloning repository https://github.com/AviiNL/chess-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AviiNL/chess-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviiNL%2Fchess-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviiNL%2Fchess-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e98c71c38ab7624083112f7d6128a1f6aabf8f25
[INFO] building AviiNL/chess-lib 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%2FAviiNL%2Fchess-lib" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AviiNL/chess-lib 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/AviiNL/chess-lib
[INFO] finished tweaking git repo https://github.com/AviiNL/chess-lib
[INFO] tweaked toml for git repo https://github.com/AviiNL/chess-lib written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AviiNL/chess-lib 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e072ca0c3fc598291db2911f7d7ba3ef3ca26ac97541282d55cbd51b442f040f
[INFO] running `Command { std: "docker" "start" "-a" "e072ca0c3fc598291db2911f7d7ba3ef3ca26ac97541282d55cbd51b442f040f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e072ca0c3fc598291db2911f7d7ba3ef3ca26ac97541282d55cbd51b442f040f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e072ca0c3fc598291db2911f7d7ba3ef3ca26ac97541282d55cbd51b442f040f", kill_on_drop: false }`
[INFO] [stdout] e072ca0c3fc598291db2911f7d7ba3ef3ca26ac97541282d55cbd51b442f040f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4aaf36653c16dbbb5a57bb54f06e3c87475c718b4eec07200d6a8b8848525c18
[INFO] running `Command { std: "docker" "start" "-a" "4aaf36653c16dbbb5a57bb54f06e3c87475c718b4eec07200d6a8b8848525c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_fen` is never used
[INFO] [stdout]  --> src/fen.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait ToFen {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 2 |     fn to_fen(&self) -> String;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "4aaf36653c16dbbb5a57bb54f06e3c87475c718b4eec07200d6a8b8848525c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aaf36653c16dbbb5a57bb54f06e3c87475c718b4eec07200d6a8b8848525c18", kill_on_drop: false }`
[INFO] [stdout] 4aaf36653c16dbbb5a57bb54f06e3c87475c718b4eec07200d6a8b8848525c18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] be6cb69d4a589ae39a545c893b8b69f0b32bd59c7b3537a2e22c6110f2095ecc
[INFO] running `Command { std: "docker" "start" "-a" "be6cb69d4a589ae39a545c893b8b69f0b32bd59c7b3537a2e22c6110f2095ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_fen` is never used
[INFO] [stdout]  --> src/fen.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait ToFen {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 2 |     fn to_fen(&self) -> String;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_fen` is never used
[INFO] [stdout]  --> src/fen.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait ToFen {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 2 |     fn to_fen(&self) -> String;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "be6cb69d4a589ae39a545c893b8b69f0b32bd59c7b3537a2e22c6110f2095ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6cb69d4a589ae39a545c893b8b69f0b32bd59c7b3537a2e22c6110f2095ecc", kill_on_drop: false }`
[INFO] [stdout] be6cb69d4a589ae39a545c893b8b69f0b32bd59c7b3537a2e22c6110f2095ecc