[INFO] fetching crate kifuwarabe_connect_four 0.1.0...
[INFO] testing kifuwarabe_connect_four-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] extracting crate kifuwarabe_connect_four 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate kifuwarabe_connect_four 0.1.0
[INFO] finished tweaking crates.io crate kifuwarabe_connect_four 0.1.0
[INFO] tweaked toml for crates.io crate kifuwarabe_connect_four 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kifuwarabe_connect_four 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kifuwarabe_connect_four 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded casual_logger v0.6.5
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f944bfc39f3a12fe0ab28b7fb3728fb57a1b51237c4aab3637d34a292daab397
[INFO] running `Command { std: "docker" "start" "-a" "f944bfc39f3a12fe0ab28b7fb3728fb57a1b51237c4aab3637d34a292daab397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f944bfc39f3a12fe0ab28b7fb3728fb57a1b51237c4aab3637d34a292daab397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f944bfc39f3a12fe0ab28b7fb3728fb57a1b51237c4aab3637d34a292daab397", kill_on_drop: false }`
[INFO] [stdout] f944bfc39f3a12fe0ab28b7fb3728fb57a1b51237c4aab3637d34a292daab397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c7080f904023a2707c217d4c8d36692822ae9742d04f9d1dd4271b4e95fa499e
[INFO] running `Command { std: "docker" "start" "-a" "c7080f904023a2707c217d4c8d36692822ae9742d04f9d1dd4271b4e95fa499e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling casual_logger v0.6.5
[INFO] [stderr]    Compiling kifuwarabe_connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `print_error` is never used
[INFO] [stdout]   --> src/log.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait LogExt {
[INFO] [stdout]    |           ------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn print_error(s: &str);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 72 | |                 "(Err.373) Failed to read line. / {}",
[INFO] [stdout] 73 | |                 e
[INFO] [stdout] 74 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]    |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:290:21
[INFO] [stdout]     |
[INFO] [stdout] 290 |           _ => panic!(Log::print_fatal_t(
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 291 | |             "(Err.32) Invalid file.",
[INFO] [stdout] 292 | |             Table::default().char("file", file)
[INFO] [stdout] 293 | |         )),
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 290 |         _ => panic!("{}", Log::print_fatal_t(
[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.66)  Failed to parse. / {}",
[INFO] [stdout] 67 | |                 e
[INFO] [stdout] 68 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:170:25
[INFO] [stdout]     |
[INFO] [stdout] 170 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 171 | |                 "(Err.123)  Invalid feature. / {}",
[INFO] [stdout] 172 | |                 feature
[INFO] [stdout] 173 | |             ))),
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 170 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 345 | |                 "(Err.123)  Invalid feature. / {}",
[INFO] [stdout] 346 | |                 feature
[INFO] [stdout] 347 | |             ))),
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 344 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 379 | |                 "(Err.160)  Invalid feature. / {}",
[INFO] [stdout] 380 | |                 feature
[INFO] [stdout] 381 | |             ))),
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 378 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:432:29
[INFO] [stdout]     |
[INFO] [stdout] 432 |                   _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 433 | |                     "(Err.113)  Invalid square. / {}",
[INFO] [stdout] 434 | |                     sq
[INFO] [stdout] 435 | |                 ))),
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/learn.rs:725:20
[INFO] [stdout]     |
[INFO] [stdout] 725 |               panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 726 | |                 "(Err.459) Learn fail. lost_value={}",
[INFO] [stdout] 727 | |                 lost_value
[INFO] [stdout] 728 | |             )))
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 725 |             panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/position.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |               panic!(Log::print_fatal_t(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 90 | |                 "(Err.32) File is filled.",
[INFO] [stdout] 91 | |                 Table::default().char("file", file)
[INFO] [stdout] 92 | |             ));
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 89 |             panic!("{}", Log::print_fatal_t(
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/test.rs:231:12
[INFO] [stdout]     |
[INFO] [stdout] 231 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/test.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 256 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 256 |     panic!("{}", 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/test.rs:281:12
[INFO] [stdout]     |
[INFO] [stdout] 281 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 281 |     panic!("{}", 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/test.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 330 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 330 |     panic!("{}", 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/test.rs:357:12
[INFO] [stdout]     |
[INFO] [stdout] 357 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 357 |     panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "c7080f904023a2707c217d4c8d36692822ae9742d04f9d1dd4271b4e95fa499e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7080f904023a2707c217d4c8d36692822ae9742d04f9d1dd4271b4e95fa499e", kill_on_drop: false }`
[INFO] [stdout] c7080f904023a2707c217d4c8d36692822ae9742d04f9d1dd4271b4e95fa499e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 11ed8127d73dce1d6916cb26009e5cafb55eb9a15d19b282b29cf9a880f1788f
[INFO] running `Command { std: "docker" "start" "-a" "11ed8127d73dce1d6916cb26009e5cafb55eb9a15d19b282b29cf9a880f1788f", kill_on_drop: false }`
[INFO] [stderr]    Compiling kifuwarabe_connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `print_error` is never used
[INFO] [stdout]   --> src/log.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait LogExt {
[INFO] [stdout]    |           ------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn print_error(s: &str);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stdout]    |  ______________________________^
[INFO] [stdout] 72 | |                 "(Err.373) Failed to read line. / {}",
[INFO] [stdout] 73 | |                 e
[INFO] [stdout] 74 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]    |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:290:21
[INFO] [stdout]     |
[INFO] [stdout] 290 |           _ => panic!(Log::print_fatal_t(
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 291 | |             "(Err.32) Invalid file.",
[INFO] [stdout] 292 | |             Table::default().char("file", file)
[INFO] [stdout] 293 | |         )),
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 290 |         _ => panic!("{}", Log::print_fatal_t(
[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.66)  Failed to parse. / {}",
[INFO] [stdout] 67 | |                 e
[INFO] [stdout] 68 | |             ))),
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:170:25
[INFO] [stdout]     |
[INFO] [stdout] 170 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 171 | |                 "(Err.123)  Invalid feature. / {}",
[INFO] [stdout] 172 | |                 feature
[INFO] [stdout] 173 | |             ))),
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 170 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 345 | |                 "(Err.123)  Invalid feature. / {}",
[INFO] [stdout] 346 | |                 feature
[INFO] [stdout] 347 | |             ))),
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 344 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 379 | |                 "(Err.160)  Invalid feature. / {}",
[INFO] [stdout] 380 | |                 feature
[INFO] [stdout] 381 | |             ))),
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 378 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/evaluation_model.rs:432:29
[INFO] [stdout]     |
[INFO] [stdout] 432 |                   _ => panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 433 | |                     "(Err.113)  Invalid square. / {}",
[INFO] [stdout] 434 | |                     sq
[INFO] [stdout] 435 | |                 ))),
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/computer_player/learn.rs:725:20
[INFO] [stdout]     |
[INFO] [stdout] 725 |               panic!(Log::print_fatal(&format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 726 | |                 "(Err.459) Learn fail. lost_value={}",
[INFO] [stdout] 727 | |                 lost_value
[INFO] [stdout] 728 | |             )))
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 725 |             panic!("{}", Log::print_fatal(&format!(
[INFO] [stdout]     |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/position.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |               panic!(Log::print_fatal_t(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 90 | |                 "(Err.32) File is filled.",
[INFO] [stdout] 91 | |                 Table::default().char("file", file)
[INFO] [stdout] 92 | |             ));
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 89 |             panic!("{}", Log::print_fatal_t(
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/test.rs:231:12
[INFO] [stdout]     |
[INFO] [stdout] 231 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/test.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 256 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 256 |     panic!("{}", 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/test.rs:281:12
[INFO] [stdout]     |
[INFO] [stdout] 281 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 281 |     panic!("{}", 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/test.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 330 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 330 |     panic!("{}", 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/test.rs:357:12
[INFO] [stdout]     |
[INFO] [stdout] 357 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 357 |     panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stdout]     |            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "11ed8127d73dce1d6916cb26009e5cafb55eb9a15d19b282b29cf9a880f1788f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ed8127d73dce1d6916cb26009e5cafb55eb9a15d19b282b29cf9a880f1788f", kill_on_drop: false }`
[INFO] [stdout] 11ed8127d73dce1d6916cb26009e5cafb55eb9a15d19b282b29cf9a880f1788f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c3b841b7a52e758ab8aa08e26e48d4e3b38d33e11ead1a21e599cfa4104b9f70
[INFO] running `Command { std: "docker" "start" "-a" "c3b841b7a52e758ab8aa08e26e48d4e3b38d33e11ead1a21e599cfa4104b9f70", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `print_error` is never used
[INFO] [stderr]   --> src/log.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub trait LogExt {
[INFO] [stderr]    |           ------ associated function in this trait
[INFO] [stderr] ...
[INFO] [stderr] 39 |     fn print_error(s: &str);
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |               Err(e) => panic!(Log::print_fatal(&format!(
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 72 | |                 "(Err.373) Failed to read line. / {}",
[INFO] [stderr] 73 | |                 e
[INFO] [stderr] 74 | |             ))),
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Err(e) => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]    |                              +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:290:21
[INFO] [stderr]     |
[INFO] [stderr] 290 |           _ => panic!(Log::print_fatal_t(
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 291 | |             "(Err.32) Invalid file.",
[INFO] [stderr] 292 | |             Table::default().char("file", file)
[INFO] [stderr] 293 | |         )),
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 290 |         _ => panic!("{}", Log::print_fatal_t(
[INFO] [stderr]     |                     +++++
[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.66)  Failed to parse. / {}",
[INFO] [stderr] 67 | |                 e
[INFO] [stderr] 68 | |             ))),
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/computer_player/evaluation_model.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 171 | |                 "(Err.123)  Invalid feature. / {}",
[INFO] [stderr] 172 | |                 feature
[INFO] [stderr] 173 | |             ))),
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 170 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]     |                         +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/computer_player/evaluation_model.rs:344:25
[INFO] [stderr]     |
[INFO] [stderr] 344 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 345 | |                 "(Err.123)  Invalid feature. / {}",
[INFO] [stderr] 346 | |                 feature
[INFO] [stderr] 347 | |             ))),
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 344 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]     |                         +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/computer_player/evaluation_model.rs:378:25
[INFO] [stderr]     |
[INFO] [stderr] 378 |               _ => panic!(Log::print_fatal(&format!(
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 379 | |                 "(Err.160)  Invalid feature. / {}",
[INFO] [stderr] 380 | |                 feature
[INFO] [stderr] 381 | |             ))),
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 378 |             _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]     |                         +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/computer_player/evaluation_model.rs:432:29
[INFO] [stderr]     |
[INFO] [stderr] 432 |                   _ => panic!(Log::print_fatal(&format!(
[INFO] [stderr]     |  _____________________________^
[INFO] [stderr] 433 | |                     "(Err.113)  Invalid square. / {}",
[INFO] [stderr] 434 | |                     sq
[INFO] [stderr] 435 | |                 ))),
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 _ => panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]     |                             +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/computer_player/learn.rs:725:20
[INFO] [stderr]     |
[INFO] [stderr] 725 |               panic!(Log::print_fatal(&format!(
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 726 | |                 "(Err.459) Learn fail. lost_value={}",
[INFO] [stderr] 727 | |                 lost_value
[INFO] [stderr] 728 | |             )))
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 725 |             panic!("{}", Log::print_fatal(&format!(
[INFO] [stderr]     |                    +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/position.rs:89:20
[INFO] [stderr]    |
[INFO] [stderr] 89 |               panic!(Log::print_fatal_t(
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 90 | |                 "(Err.32) File is filled.",
[INFO] [stderr] 91 | |                 Table::default().char("file", file)
[INFO] [stderr] 92 | |             ));
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 89 |             panic!("{}", Log::print_fatal_t(
[INFO] [stderr]    |                    +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/test.rs:231:12
[INFO] [stderr]     |
[INFO] [stderr] 231 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/test.rs:256:12
[INFO] [stderr]     |
[INFO] [stderr] 256 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 256 |     panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/test.rs:281:12
[INFO] [stderr]     |
[INFO] [stderr] 281 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 281 |     panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/test.rs:330:12
[INFO] [stderr]     |
[INFO] [stderr] 330 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 330 |     panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/test.rs:357:12
[INFO] [stderr]     |
[INFO] [stderr] 357 |     panic!(Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 357 |     panic!("{}", Log::print_fatal(&format!("Invalid xfen=|{}|", xfen)))
[INFO] [stderr]     |            +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `kifuwarabe_connect_four` (bin "kifuwarabe_connect_four" test) generated 15 warnings (run `cargo fix --bin "kifuwarabe_connect_four" --tests` to apply 14 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/kifuwarabe_connect_four-9fd8be940a74e5eb)
[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" "c3b841b7a52e758ab8aa08e26e48d4e3b38d33e11ead1a21e599cfa4104b9f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b841b7a52e758ab8aa08e26e48d4e3b38d33e11ead1a21e599cfa4104b9f70", kill_on_drop: false }`
[INFO] [stdout] c3b841b7a52e758ab8aa08e26e48d4e3b38d33e11ead1a21e599cfa4104b9f70