[INFO] fetching crate luhnmod10 1.1.0...
[INFO] testing luhnmod10-1.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate luhnmod10 1.1.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate luhnmod10 1.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 928211eb0e110ca09c6985097a4660cd5dac1fc0cef7c4d14db55d1feb9ca31d
[INFO] running `Command { std: "docker" "start" "-a" "928211eb0e110ca09c6985097a4660cd5dac1fc0cef7c4d14db55d1feb9ca31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "928211eb0e110ca09c6985097a4660cd5dac1fc0cef7c4d14db55d1feb9ca31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928211eb0e110ca09c6985097a4660cd5dac1fc0cef7c4d14db55d1feb9ca31d", kill_on_drop: false }`
[INFO] [stdout] 928211eb0e110ca09c6985097a4660cd5dac1fc0cef7c4d14db55d1feb9ca31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8989b518424d04c670ea007800f208df6402ce901ea6545f7e2912eb9dfd96b3
[INFO] running `Command { std: "docker" "start" "-a" "8989b518424d04c670ea007800f208df6402ce901ea6545f7e2912eb9dfd96b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhnmod10 v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "8989b518424d04c670ea007800f208df6402ce901ea6545f7e2912eb9dfd96b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8989b518424d04c670ea007800f208df6402ce901ea6545f7e2912eb9dfd96b3", kill_on_drop: false }`
[INFO] [stdout] 8989b518424d04c670ea007800f208df6402ce901ea6545f7e2912eb9dfd96b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6273570f6ff2777018ce52a13e575fbab512fe07293a5315ac34b9848221d76
[INFO] running `Command { std: "docker" "start" "-a" "b6273570f6ff2777018ce52a13e575fbab512fe07293a5315ac34b9848221d76", 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "b6273570f6ff2777018ce52a13e575fbab512fe07293a5315ac34b9848221d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6273570f6ff2777018ce52a13e575fbab512fe07293a5315ac34b9848221d76", kill_on_drop: false }`
[INFO] [stdout] b6273570f6ff2777018ce52a13e575fbab512fe07293a5315ac34b9848221d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87502b395d4e7b7e89613ae16059316069b1739ec7fff1e914ea5c019904fbdf
[INFO] running `Command { std: "docker" "start" "-a" "87502b395d4e7b7e89613ae16059316069b1739ec7fff1e914ea5c019904fbdf", 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] 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 1.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luhnmod10-e619aaaa47d361d6)
[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-29d7ea456c2b0425)
[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" "87502b395d4e7b7e89613ae16059316069b1739ec7fff1e914ea5c019904fbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87502b395d4e7b7e89613ae16059316069b1739ec7fff1e914ea5c019904fbdf", kill_on_drop: false }`
[INFO] [stdout] 87502b395d4e7b7e89613ae16059316069b1739ec7fff1e914ea5c019904fbdf