[INFO] fetching crate kifuwarabe_tic_tac_toe 0.2.4...
[INFO] testing kifuwarabe_tic_tac_toe-0.2.4 against 1.54.0 for beta-1.55-1
[INFO] extracting crate kifuwarabe_tic_tac_toe 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kifuwarabe_tic_tac_toe 0.2.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kifuwarabe_tic_tac_toe 0.2.4
[INFO] finished tweaking crates.io crate kifuwarabe_tic_tac_toe 0.2.4
[INFO] tweaked toml for crates.io crate kifuwarabe_tic_tac_toe 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kifuwarabe_tic_tac_toe 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1bd8c224651cbe5a0bd46bd71790c99474937073060d15490bf308f51ece17d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1bd8c224651cbe5a0bd46bd71790c99474937073060d15490bf308f51ece17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1bd8c224651cbe5a0bd46bd71790c99474937073060d15490bf308f51ece17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1bd8c224651cbe5a0bd46bd71790c99474937073060d15490bf308f51ece17d", kill_on_drop: false }`
[INFO] [stdout] c1bd8c224651cbe5a0bd46bd71790c99474937073060d15490bf308f51ece17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 899a318fadd3f8bb991247a7c4570a2972fa1fc0f87e14b40f1c44fb3a18d3ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "899a318fadd3f8bb991247a7c4570a2972fa1fc0f87e14b40f1c44fb3a18d3ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling casual_logger v0.6.5
[INFO] [stderr]    Compiling kifuwarabe_tic_tac_toe v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/command_line_seek.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 66 | |                 "(Err.38)  Failed to parse. / {}",
[INFO] [stdout] 67 | |                 e
[INFO] [stdout] 68 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Err(e) => std::panic::panic_any(Log::print_fatal(&format!(
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "899a318fadd3f8bb991247a7c4570a2972fa1fc0f87e14b40f1c44fb3a18d3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "899a318fadd3f8bb991247a7c4570a2972fa1fc0f87e14b40f1c44fb3a18d3ba", kill_on_drop: false }`
[INFO] [stdout] 899a318fadd3f8bb991247a7c4570a2972fa1fc0f87e14b40f1c44fb3a18d3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd51c7647a4891d3fec1ad697aff8b29425a90358ce0df33c01b16325cae14d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9fd51c7647a4891d3fec1ad697aff8b29425a90358ce0df33c01b16325cae14d", kill_on_drop: false }`
[INFO] [stderr]    Compiling kifuwarabe_tic_tac_toe v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/command_line_seek.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 66 | |                 "(Err.38)  Failed to parse. / {}",
[INFO] [stdout] 67 | |                 e
[INFO] [stdout] 68 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Err(e) => std::panic::panic_any(Log::print_fatal(&format!(
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/main.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 38 | |                 "(Err.373) Failed to read line. / {}",
[INFO] [stdout] 39 | |                 e
[INFO] [stdout] 40 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(e) => std::panic::panic_any(Log::print_fatal(&format!(
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> examples/debug.rs:176:20
[INFO] [stdout]     |
[INFO] [stdout] 176 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 176 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 176 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> examples/debug.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 192 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 192 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> examples/debug.rs:223:20
[INFO] [stdout]     |
[INFO] [stdout] 223 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 223 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 223 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> examples/debug.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 231 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 231 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> examples/debug.rs:252:20
[INFO] [stdout]     |
[INFO] [stdout] 252 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 252 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 252 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/command_line_seek.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 66 | |                 "(Err.38)  Failed to parse. / {}",
[INFO] [stdout] 67 | |                 e
[INFO] [stdout] 68 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Err(e) => std::panic::panic_any(Log::print_fatal(&format!(
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "9fd51c7647a4891d3fec1ad697aff8b29425a90358ce0df33c01b16325cae14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd51c7647a4891d3fec1ad697aff8b29425a90358ce0df33c01b16325cae14d", kill_on_drop: false }`
[INFO] [stdout] 9fd51c7647a4891d3fec1ad697aff8b29425a90358ce0df33c01b16325cae14d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 069ad0c7eabc8eb3a9e64a9d9e646951460d4c5b0657df07500cf4577d984aa2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "069ad0c7eabc8eb3a9e64a9d9e646951460d4c5b0657df07500cf4577d984aa2", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/command_line_seek.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 66 | |                 "(Err.38)  Failed to parse. / {}",
[INFO] [stderr] 67 | |                 e
[INFO] [stderr] 68 | |             ))),
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => std::panic::panic_any(Log::print_fatal(&format!(
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/command_line_seek.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 66 | |                 "(Err.38)  Failed to parse. / {}",
[INFO] [stderr] 67 | |                 e
[INFO] [stderr] 68 | |             ))),
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => std::panic::panic_any(Log::print_fatal(&format!(
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> examples/debug.rs:176:20
[INFO] [stderr]     |
[INFO] [stderr] 176 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 176 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 176 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> examples/debug.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 192 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 192 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> examples/debug.rs:223:20
[INFO] [stderr]     |
[INFO] [stderr] 223 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 223 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 223 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> examples/debug.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 231 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 231 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> examples/debug.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |             panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 252 |             panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 252 |             std::panic::panic_any(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> examples/main.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 38 | |                 "(Err.373) Failed to read line. / {}",
[INFO] [stderr] 39 | |                 e
[INFO] [stderr] 40 | |             ))),
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(e) => std::panic::panic_any(Log::print_fatal(&format!(
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kifuwarabe_tic_tac_toe-7b9502df95471ca4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kifuwarabe_tic_tac_toe
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "069ad0c7eabc8eb3a9e64a9d9e646951460d4c5b0657df07500cf4577d984aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069ad0c7eabc8eb3a9e64a9d9e646951460d4c5b0657df07500cf4577d984aa2", kill_on_drop: false }`
[INFO] [stdout] 069ad0c7eabc8eb3a9e64a9d9e646951460d4c5b0657df07500cf4577d984aa2
