[INFO] fetching crate game_chess_server 0.0.1...
[INFO] checking game_chess_server-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate game_chess_server 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate game_chess_server 0.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game_chess_server 0.0.1
[INFO] finished tweaking crates.io crate game_chess_server 0.0.1
[INFO] tweaked toml for crates.io crate game_chess_server 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate game_chess_server 0.0.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mucow v0.1.0
[INFO] [stderr]   Downloaded game_chess_core v0.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] [stderr]   Downloaded serde_derive v1.0.132
[INFO] [stderr]   Downloaded serde v1.0.132
[INFO] [stderr]   Downloaded rollo v0.8.1
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded serde_json v1.0.73
[INFO] [stderr]   Downloaded pleco v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f51bd98e2e2c51b74cb49a0a7b124c86b9d8e14cc3b871445ad8e5a463021674
[INFO] running `Command { std: "docker" "start" "-a" "f51bd98e2e2c51b74cb49a0a7b124c86b9d8e14cc3b871445ad8e5a463021674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51bd98e2e2c51b74cb49a0a7b124c86b9d8e14cc3b871445ad8e5a463021674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51bd98e2e2c51b74cb49a0a7b124c86b9d8e14cc3b871445ad8e5a463021674", kill_on_drop: false }`
[INFO] [stdout] f51bd98e2e2c51b74cb49a0a7b124c86b9d8e14cc3b871445ad8e5a463021674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b5370b32edc8a9ebf4f544534b363fbfab4d3c37031e0ef4b4017399955d324
[INFO] running `Command { std: "docker" "start" "-a" "7b5370b32edc8a9ebf4f544534b363fbfab4d3c37031e0ef4b4017399955d324", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking mucow v0.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking rollo v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking pleco v0.5.0
[INFO] [stderr]     Checking game_chess_core v0.0.2
[INFO] [stderr]     Checking game_chess_server v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `Command { std: "docker" "inspect" "7b5370b32edc8a9ebf4f544534b363fbfab4d3c37031e0ef4b4017399955d324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5370b32edc8a9ebf4f544534b363fbfab4d3c37031e0ef4b4017399955d324", kill_on_drop: false }`
[INFO] [stdout] 7b5370b32edc8a9ebf4f544534b363fbfab4d3c37031e0ef4b4017399955d324