[INFO] fetching crate luhnmod10 1.1.0...
[INFO] testing luhnmod10-1.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate luhnmod10 1.1.0 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate luhnmod10 1.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7af39aeb0ec43b5208ae5dfbeb1ebf6cd0929c37a59aaa4877da527712d7fa1d
[INFO] running `Command { std: "docker" "start" "-a" "7af39aeb0ec43b5208ae5dfbeb1ebf6cd0929c37a59aaa4877da527712d7fa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af39aeb0ec43b5208ae5dfbeb1ebf6cd0929c37a59aaa4877da527712d7fa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af39aeb0ec43b5208ae5dfbeb1ebf6cd0929c37a59aaa4877da527712d7fa1d", kill_on_drop: false }`
[INFO] [stdout] 7af39aeb0ec43b5208ae5dfbeb1ebf6cd0929c37a59aaa4877da527712d7fa1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29850d85609de02986030697bd693b7cf2e9932e9c11837778dfe9589d80b736
[INFO] running `Command { std: "docker" "start" "-a" "29850d85609de02986030697bd693b7cf2e9932e9c11837778dfe9589d80b736", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhnmod10 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "29850d85609de02986030697bd693b7cf2e9932e9c11837778dfe9589d80b736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29850d85609de02986030697bd693b7cf2e9932e9c11837778dfe9589d80b736", kill_on_drop: false }`
[INFO] [stdout] 29850d85609de02986030697bd693b7cf2e9932e9c11837778dfe9589d80b736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a5dae75dd1cd32a96cb034414e4184c9f75f8c65523057084a8c81e363bd3b8
[INFO] running `Command { std: "docker" "start" "-a" "5a5dae75dd1cd32a96cb034414e4184c9f75f8c65523057084a8c81e363bd3b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 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 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, "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 0.90s
[INFO] running `Command { std: "docker" "inspect" "5a5dae75dd1cd32a96cb034414e4184c9f75f8c65523057084a8c81e363bd3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5dae75dd1cd32a96cb034414e4184c9f75f8c65523057084a8c81e363bd3b8", kill_on_drop: false }`
[INFO] [stdout] 5a5dae75dd1cd32a96cb034414e4184c9f75f8c65523057084a8c81e363bd3b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eabf7fcb44e46d63e8e7a7a8974e48d9bf5df865e3437df47e91638b27f42c71
[INFO] running `Command { std: "docker" "start" "-a" "eabf7fcb44e46d63e8e7a7a8974e48d9bf5df865e3437df47e91638b27f42c71", 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 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: 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, "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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luhnmod10-ae9ebd9143a269b4)
[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]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-a1dc8560727cfbc0)
[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" "eabf7fcb44e46d63e8e7a7a8974e48d9bf5df865e3437df47e91638b27f42c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabf7fcb44e46d63e8e7a7a8974e48d9bf5df865e3437df47e91638b27f42c71", kill_on_drop: false }`
[INFO] [stdout] eabf7fcb44e46d63e8e7a7a8974e48d9bf5df865e3437df47e91638b27f42c71