[INFO] fetching crate ga-scheduler 0.1.1...
[INFO] checking ga-scheduler-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ga-scheduler 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ga-scheduler 0.1.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ga-scheduler 0.1.1
[INFO] finished tweaking crates.io crate ga-scheduler 0.1.1
[INFO] tweaked toml for crates.io crate ga-scheduler 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding float-cmp v0.9.0 (available: v0.10.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding mockall v0.11.4 (available: v0.13.0)
[INFO] [stderr]       Adding mockall_derive v0.11.4 (available: v0.13.0)
[INFO] [stderr]       Adding predicates v2.1.5 (available: v3.1.2)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding termtree v0.4.1 (available: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ecc8d6f2458bf43a3256e34da7e9476ce671e3f9abceb52dd12211d3c64b646
[INFO] running `Command { std: "docker" "start" "-a" "7ecc8d6f2458bf43a3256e34da7e9476ce671e3f9abceb52dd12211d3c64b646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ecc8d6f2458bf43a3256e34da7e9476ce671e3f9abceb52dd12211d3c64b646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecc8d6f2458bf43a3256e34da7e9476ce671e3f9abceb52dd12211d3c64b646", kill_on_drop: false }`
[INFO] [stdout] 7ecc8d6f2458bf43a3256e34da7e9476ce671e3f9abceb52dd12211d3c64b646
[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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7fa8aa94ffef0854a915753bdf32ee2a2a483385afb7d9c9b877a69cc6487f
[INFO] running `Command { std: "docker" "start" "-a" "bc7fa8aa94ffef0854a915753bdf32ee2a2a483385afb7d9c9b877a69cc6487f", kill_on_drop: false }`
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling mockall_double v0.3.1
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ga-scheduler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `score_weights`
[INFO] [stdout]   --> src/game/sample.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         score_weights: &Vec<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_score_weights`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stdout] warning: unused variable: `score_weights`
[INFO] [stdout]   --> src/game/sample.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         score_weights: &Vec<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_score_weights`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "bc7fa8aa94ffef0854a915753bdf32ee2a2a483385afb7d9c9b877a69cc6487f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7fa8aa94ffef0854a915753bdf32ee2a2a483385afb7d9c9b877a69cc6487f", kill_on_drop: false }`
[INFO] [stdout] bc7fa8aa94ffef0854a915753bdf32ee2a2a483385afb7d9c9b877a69cc6487f