[INFO] fetching crate luhnmod10 1.1.0...
[INFO] testing luhnmod10-1.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate luhnmod10 1.1.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate luhnmod10 1.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luhnmod10 1.1.0
[INFO] finished tweaking crates.io crate luhnmod10 1.1.0
[INFO] tweaked toml for crates.io crate luhnmod10 1.1.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a5a32a294917a5a05f635c6ee2523386e824dbc8262d5541f49a8bf61971f75
[INFO] running `Command { std: "docker" "start" "-a" "5a5a32a294917a5a05f635c6ee2523386e824dbc8262d5541f49a8bf61971f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5a32a294917a5a05f635c6ee2523386e824dbc8262d5541f49a8bf61971f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5a32a294917a5a05f635c6ee2523386e824dbc8262d5541f49a8bf61971f75", kill_on_drop: false }`
[INFO] [stdout] 5a5a32a294917a5a05f635c6ee2523386e824dbc8262d5541f49a8bf61971f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77ae91065c5fd5da0a2da313f8613e9771662c8eb91f35c607cc96e1896a0790
[INFO] running `Command { std: "docker" "start" "-a" "77ae91065c5fd5da0a2da313f8613e9771662c8eb91f35c607cc96e1896a0790", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhnmod10 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "77ae91065c5fd5da0a2da313f8613e9771662c8eb91f35c607cc96e1896a0790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ae91065c5fd5da0a2da313f8613e9771662c8eb91f35c607cc96e1896a0790", kill_on_drop: false }`
[INFO] [stdout] 77ae91065c5fd5da0a2da313f8613e9771662c8eb91f35c607cc96e1896a0790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca143dc187da168b2a64160fafdac4fff04c646b8cd913d9b5c20ef7fbacedf
[INFO] running `Command { std: "docker" "start" "-a" "8ca143dc187da168b2a64160fafdac4fff04c646b8cd913d9b5c20ef7fbacedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhnmod10 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/lib.rs:32:44
[INFO] [stdout]    |
[INFO] [stdout] 32 |         assert!(result == expected_result, format!("valid({}) = {}, expected {}", number, result, expected_result));
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() 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 assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 32 -         assert!(result == expected_result, format!("valid({}) = {}, expected {}", number, result, expected_result));
[INFO] [stdout] 32 +         assert!(result == expected_result, "valid({}) = {}, expected {}", number, result, expected_result);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "8ca143dc187da168b2a64160fafdac4fff04c646b8cd913d9b5c20ef7fbacedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca143dc187da168b2a64160fafdac4fff04c646b8cd913d9b5c20ef7fbacedf", kill_on_drop: false }`
[INFO] [stdout] 8ca143dc187da168b2a64160fafdac4fff04c646b8cd913d9b5c20ef7fbacedf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 078309471b7158ff33ea39348c1e081662c314f95b5a2e661dfe8d016b48c637
[INFO] running `Command { std: "docker" "start" "-a" "078309471b7158ff33ea39348c1e081662c314f95b5a2e661dfe8d016b48c637", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/lib.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |         assert!(result == expected_result, format!("valid({}) = {}, expected {}", number, result, expected_result));
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of assert!() 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: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 32 -         assert!(result == expected_result, format!("valid({}) = {}, expected {}", number, result, expected_result));
[INFO] [stderr] 32 +         assert!(result == expected_result, "valid({}) = {}, expected {}", number, result, expected_result);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `luhnmod10` (test "lib") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luhnmod10-07600c37131d329d)
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-fa74c6377b523888)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests luhnmod10
[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" "078309471b7158ff33ea39348c1e081662c314f95b5a2e661dfe8d016b48c637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078309471b7158ff33ea39348c1e081662c314f95b5a2e661dfe8d016b48c637", kill_on_drop: false }`
[INFO] [stdout] 078309471b7158ff33ea39348c1e081662c314f95b5a2e661dfe8d016b48c637