[INFO] cloning repository https://github.com/datakdtk/texas_handranks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/datakdtk/texas_handranks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatakdtk%2Ftexas_handranks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatakdtk%2Ftexas_handranks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f635b8716559c4401c7f1a654cbc9c832f71a5b
[INFO] building datakdtk/texas_handranks against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatakdtk%2Ftexas_handranks" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/datakdtk/texas_handranks on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/datakdtk/texas_handranks
[INFO] finished tweaking git repo https://github.com/datakdtk/texas_handranks
[INFO] tweaked toml for git repo https://github.com/datakdtk/texas_handranks written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/datakdtk/texas_handranks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c1f71ffcf17f753bede6cdab14d843d43821eafdb6cedc957f1fc390cfa4edb
[INFO] running `Command { std: "docker" "start" "-a" "5c1f71ffcf17f753bede6cdab14d843d43821eafdb6cedc957f1fc390cfa4edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1f71ffcf17f753bede6cdab14d843d43821eafdb6cedc957f1fc390cfa4edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1f71ffcf17f753bede6cdab14d843d43821eafdb6cedc957f1fc390cfa4edb", kill_on_drop: false }`
[INFO] [stdout] 5c1f71ffcf17f753bede6cdab14d843d43821eafdb6cedc957f1fc390cfa4edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40748f18c4f9864a3c04e5aecd706ba3d0bf011e481b53564e686bf07cb005e0
[INFO] running `Command { std: "docker" "start" "-a" "40748f18c4f9864a3c04e5aecd706ba3d0bf011e481b53564e686bf07cb005e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling playing_card v0.1.0 (/opt/rustwide/workdir/playing_card)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> playing_card/src/card/rank.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |             x => panic!(format!("Argument {} is out of range", x).to_string()),
[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] 24 |             x => panic!("{}", format!("Argument {} is out of range", x).to_string()),
[INFO] [stdout]    |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling texas_holdem v0.1.0 (/opt/rustwide/workdir/texas_holdem)
[INFO] [stderr]    Compiling texas_holdem_monte_carlo v0.1.0 (/opt/rustwide/workdir/texas_holdem_monte_carlo)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> texas_holdem_monte_carlo/src/starting_hand.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _ => panic!(format!("Unexpected card: {}", rank)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 33 -         _ => panic!(format!("Unexpected card: {}", rank)),
[INFO] [stdout] 33 +         _ => panic!("Unexpected card: {}", rank),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "40748f18c4f9864a3c04e5aecd706ba3d0bf011e481b53564e686bf07cb005e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40748f18c4f9864a3c04e5aecd706ba3d0bf011e481b53564e686bf07cb005e0", kill_on_drop: false }`
[INFO] [stdout] 40748f18c4f9864a3c04e5aecd706ba3d0bf011e481b53564e686bf07cb005e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca758b2c0d5f6882e9892502fc144184f8369923bc6ba7ddbff525288c4e69e
[INFO] running `Command { std: "docker" "start" "-a" "8ca758b2c0d5f6882e9892502fc144184f8369923bc6ba7ddbff525288c4e69e", kill_on_drop: false }`
[INFO] [stderr]    Compiling playing_card v0.1.0 (/opt/rustwide/workdir/playing_card)
[INFO] [stderr]    Compiling texas_holdem v0.1.0 (/opt/rustwide/workdir/texas_holdem)
[INFO] [stderr]    Compiling texas_holdem_monte_carlo v0.1.0 (/opt/rustwide/workdir/texas_holdem_monte_carlo)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> playing_card/src/card/rank.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |             x => panic!(format!("Argument {} is out of range", x).to_string()),
[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] 24 |             x => panic!("{}", format!("Argument {} is out of range", x).to_string()),
[INFO] [stdout]    |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> texas_holdem_monte_carlo/src/starting_hand.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |         _ => panic!(format!("Unexpected card: {}", rank)),
[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: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 33 -         _ => panic!(format!("Unexpected card: {}", rank)),
[INFO] [stdout] 33 +         _ => panic!("Unexpected card: {}", rank),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> playing_card/src/card/rank.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |             x => panic!(format!("Argument {} is out of range", x).to_string()),
[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] 24 |             x => panic!("{}", format!("Argument {} is out of range", x).to_string()),
[INFO] [stdout]    |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "8ca758b2c0d5f6882e9892502fc144184f8369923bc6ba7ddbff525288c4e69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca758b2c0d5f6882e9892502fc144184f8369923bc6ba7ddbff525288c4e69e", kill_on_drop: false }`
[INFO] [stdout] 8ca758b2c0d5f6882e9892502fc144184f8369923bc6ba7ddbff525288c4e69e