[INFO] cloning repository https://github.com/el-hult/xoxo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/el-hult/xoxo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fel-hult%2Fxoxo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fel-hult%2Fxoxo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04e0d4158151c698fd8edd0ecbabe30bb95421ba
[INFO] checking el-hult/xoxo against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fel-hult%2Fxoxo" "/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/el-hult/xoxo on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/el-hult/xoxo
[INFO] finished tweaking git repo https://github.com/el-hult/xoxo
[INFO] tweaked toml for git repo https://github.com/el-hult/xoxo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/el-hult/xoxo 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.4.16
[INFO] [stderr]   Downloaded packagemerge v0.1.0
[INFO] [stderr]   Downloaded from_bytes_or_zeroed v0.1.0
[INFO] [stderr]   Downloaded residua-zigzag v0.1.0
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded enum-iterator-derive v1.3.0
[INFO] [stderr]   Downloaded simple_logger v4.3.3
[INFO] [stderr]   Downloaded enum-iterator v1.5.0
[INFO] [stderr]   Downloaded bitcode_derive v0.5.0
[INFO] [stderr]   Downloaded anstream v0.6.7
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded bytemuck v1.14.3
[INFO] [stderr]   Downloaded chrono v0.4.34
[INFO] [stderr]   Downloaded clap_builder v4.4.16
[INFO] [stderr]   Downloaded bumpalo v3.15.0
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] [stderr]   Downloaded bitcode v0.5.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2e8af2974136d04fd710b34d5fd73fb7631127f5a8402037fe796602414da20
[INFO] running `Command { std: "docker" "start" "-a" "b2e8af2974136d04fd710b34d5fd73fb7631127f5a8402037fe796602414da20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2e8af2974136d04fd710b34d5fd73fb7631127f5a8402037fe796602414da20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e8af2974136d04fd710b34d5fd73fb7631127f5a8402037fe796602414da20", kill_on_drop: false }`
[INFO] [stdout] b2e8af2974136d04fd710b34d5fd73fb7631127f5a8402037fe796602414da20
[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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca2761d9eb34f0fb4d8f047da7058bbc4f2f5f42f8c1a3ebceaaaa11c503cd3
[INFO] running `Command { std: "docker" "start" "-a" "3ca2761d9eb34f0fb4d8f047da7058bbc4f2f5f42f8c1a3ebceaaaa11c503cd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking from_bytes_or_zeroed v0.1.0
[INFO] [stderr]     Checking residua-zigzag v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking anstream v0.6.7
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking simple_logger v4.3.3
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking clap_builder v4.4.16
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling packagemerge v0.1.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling bitcode_derive v0.5.0
[INFO] [stderr]    Compiling enum-iterator-derive v1.3.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking enum-iterator v1.5.0
[INFO] [stderr]     Checking clap v4.4.16
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking bitcode v0.5.1
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking xoxo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Board` is imported redundantly
[INFO] [stdout]    --> src/game/connect_four.rs:360:23
[INFO] [stdout]     |
[INFO] [stdout] 360 |     use crate::core::{Board, GameStatus};
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout] 361 |
[INFO] [stdout] 362 |     use super::*;
[INFO] [stdout]     |         -------- the item `Board` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `GameStatus` is imported redundantly
[INFO] [stdout]    --> src/game/connect_four.rs:360:30
[INFO] [stdout]     |
[INFO] [stdout] 360 |     use crate::core::{Board, GameStatus};
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout] 361 |
[INFO] [stdout] 362 |     use super::*;
[INFO] [stdout]     |         -------- the item `GameStatus` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeedableRng` is imported redundantly
[INFO] [stdout]    --> src/player/mcts.rs:211:33
[INFO] [stdout]     |
[INFO] [stdout] 210 |     use super::*;
[INFO] [stdout]     |         -------- the item `SeedableRng` is already imported here
[INFO] [stdout] 211 |     use rand::{thread_rng, Rng, SeedableRng};
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.27s
[INFO] running `Command { std: "docker" "inspect" "3ca2761d9eb34f0fb4d8f047da7058bbc4f2f5f42f8c1a3ebceaaaa11c503cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca2761d9eb34f0fb4d8f047da7058bbc4f2f5f42f8c1a3ebceaaaa11c503cd3", kill_on_drop: false }`
[INFO] [stdout] 3ca2761d9eb34f0fb4d8f047da7058bbc4f2f5f42f8c1a3ebceaaaa11c503cd3