[INFO] cloning repository https://github.com/ITSmith/ARCE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ITSmith/ARCE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITSmith%2FARCE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITSmith%2FARCE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 191ba59720c58f9b1b0d7fbcf47dc87174fc4d1f
[INFO] building ITSmith/ARCE 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%2FITSmith%2FARCE" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ITSmith/ARCE 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] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ITSmith/ARCE
[INFO] finished tweaking git repo https://github.com/ITSmith/ARCE
[INFO] tweaked toml for git repo https://github.com/ITSmith/ARCE written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ITSmith/ARCE 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b3cf0ff2a6da4d1047c4cb4e9894c6dda58e13800a8ba7569d1257cd23ef21b2
[INFO] running `Command { std: "docker" "start" "-a" "b3cf0ff2a6da4d1047c4cb4e9894c6dda58e13800a8ba7569d1257cd23ef21b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3cf0ff2a6da4d1047c4cb4e9894c6dda58e13800a8ba7569d1257cd23ef21b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3cf0ff2a6da4d1047c4cb4e9894c6dda58e13800a8ba7569d1257cd23ef21b2", kill_on_drop: false }`
[INFO] [stdout] b3cf0ff2a6da4d1047c4cb4e9894c6dda58e13800a8ba7569d1257cd23ef21b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ba9c4faeb821ba7d06218ced87d3ee31f8612aa20400071a408d3bcdc621f483
[INFO] running `Command { std: "docker" "start" "-a" "ba9c4faeb821ba7d06218ced87d3ee31f8612aa20400071a408d3bcdc621f483", kill_on_drop: false }`
[INFO] [stderr]    Compiling arce_lib v0.1.0 (/opt/rustwide/workdir/arce_lib)
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> arce_lib/src/square.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `START_POSITION`, `TRICKY_POSITION`, `attacks::Attacks`, `parse_go`, `parse_move`, and `parse_position`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     attacks::Attacks,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     utils::{
[INFO] [stdout] 6 |         fen::{parse_fen, START_POSITION, TRICKY_POSITION},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         uci::{parse_go, parse_move, parse_position, uci_loop},
[INFO] [stdout]   |               ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "ba9c4faeb821ba7d06218ced87d3ee31f8612aa20400071a408d3bcdc621f483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9c4faeb821ba7d06218ced87d3ee31f8612aa20400071a408d3bcdc621f483", kill_on_drop: false }`
[INFO] [stdout] ba9c4faeb821ba7d06218ced87d3ee31f8612aa20400071a408d3bcdc621f483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 55ea61b0cc62773605193e47b475933f2eeb5cd886211d359fee5662bf6e90ce
[INFO] running `Command { std: "docker" "start" "-a" "55ea61b0cc62773605193e47b475933f2eeb5cd886211d359fee5662bf6e90ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling arce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> arce_lib/src/square.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `START_POSITION`, `TRICKY_POSITION`, `attacks::Attacks`, `parse_go`, `parse_move`, and `parse_position`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     attacks::Attacks,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     utils::{
[INFO] [stdout] 6 |         fen::{parse_fen, START_POSITION, TRICKY_POSITION},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         uci::{parse_go, parse_move, parse_position, uci_loop},
[INFO] [stdout]   |               ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "55ea61b0cc62773605193e47b475933f2eeb5cd886211d359fee5662bf6e90ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ea61b0cc62773605193e47b475933f2eeb5cd886211d359fee5662bf6e90ce", kill_on_drop: false }`
[INFO] [stdout] 55ea61b0cc62773605193e47b475933f2eeb5cd886211d359fee5662bf6e90ce