[INFO] cloning repository https://github.com/Sorrien/tic_tac_toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sorrien/tic_tac_toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSorrien%2Ftic_tac_toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSorrien%2Ftic_tac_toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 526950665a2e76d7987097dca0713ee645fe0cab
[INFO] building Sorrien/tic_tac_toe 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%2FSorrien%2Ftic_tac_toe" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sorrien/tic_tac_toe 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/Sorrien/tic_tac_toe
[INFO] finished tweaking git repo https://github.com/Sorrien/tic_tac_toe
[INFO] tweaked toml for git repo https://github.com/Sorrien/tic_tac_toe written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sorrien/tic_tac_toe 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 67237afbc676f2a33941ebe74cb050c1b93fb93141881baf5090c14906135f0a
[INFO] running `Command { std: "docker" "start" "-a" "67237afbc676f2a33941ebe74cb050c1b93fb93141881baf5090c14906135f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67237afbc676f2a33941ebe74cb050c1b93fb93141881baf5090c14906135f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67237afbc676f2a33941ebe74cb050c1b93fb93141881baf5090c14906135f0a", kill_on_drop: false }`
[INFO] [stdout] 67237afbc676f2a33941ebe74cb050c1b93fb93141881baf5090c14906135f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a91e53db356981111388ce754e4310d92ea5bb729eec4457c3f929d19acafbcb
[INFO] running `Command { std: "docker" "start" "-a" "a91e53db356981111388ce754e4310d92ea5bb729eec4457c3f929d19acafbcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.16
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ai::rand::RandPlayer`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ai::rand::RandPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "a91e53db356981111388ce754e4310d92ea5bb729eec4457c3f929d19acafbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91e53db356981111388ce754e4310d92ea5bb729eec4457c3f929d19acafbcb", kill_on_drop: false }`
[INFO] [stdout] a91e53db356981111388ce754e4310d92ea5bb729eec4457c3f929d19acafbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8cef830737a18d44cad7f9e21146a2d6a58e4d4200aba198e0242a877aab1891
[INFO] running `Command { std: "docker" "start" "-a" "8cef830737a18d44cad7f9e21146a2d6a58e4d4200aba198e0242a877aab1891", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::ai::rand::RandPlayer`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ai::rand::RandPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ai::rand::RandPlayer`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ai::rand::RandPlayer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "8cef830737a18d44cad7f9e21146a2d6a58e4d4200aba198e0242a877aab1891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cef830737a18d44cad7f9e21146a2d6a58e4d4200aba198e0242a877aab1891", kill_on_drop: false }`
[INFO] [stdout] 8cef830737a18d44cad7f9e21146a2d6a58e4d4200aba198e0242a877aab1891