[INFO] cloning repository https://github.com/DanieleDeIuliis/FizzBuzzRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanieleDeIuliis/FizzBuzzRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanieleDeIuliis%2FFizzBuzzRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanieleDeIuliis%2FFizzBuzzRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1ed0d84088e177e0e329a5d6f45230e67991b43
[INFO] testing DanieleDeIuliis/FizzBuzzRust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanieleDeIuliis%2FFizzBuzzRust" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanieleDeIuliis/FizzBuzzRust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanieleDeIuliis/FizzBuzzRust
[INFO] finished tweaking git repo https://github.com/DanieleDeIuliis/FizzBuzzRust
[INFO] tweaked toml for git repo https://github.com/DanieleDeIuliis/FizzBuzzRust written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/DanieleDeIuliis/FizzBuzzRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30e9bc654813c813deb6a712ec30f333b7e0c412c262eb4f986b7963f77482ee
[INFO] running `Command { std: "docker" "start" "-a" "30e9bc654813c813deb6a712ec30f333b7e0c412c262eb4f986b7963f77482ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e9bc654813c813deb6a712ec30f333b7e0c412c262eb4f986b7963f77482ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e9bc654813c813deb6a712ec30f333b7e0c412c262eb4f986b7963f77482ee", kill_on_drop: false }`
[INFO] [stdout] 30e9bc654813c813deb6a712ec30f333b7e0c412c262eb4f986b7963f77482ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89f4760a31d1755223c118747041be904bd92168088eae3697642c94f4c9445f
[INFO] running `Command { std: "docker" "start" "-a" "89f4760a31d1755223c118747041be904bd92168088eae3697642c94f4c9445f", kill_on_drop: false }`
[INFO] [stderr]    Compiling FizzBuzzRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/not_multiple_of_checker.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FizzBuzzRust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `fizz_buzz_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "89f4760a31d1755223c118747041be904bd92168088eae3697642c94f4c9445f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f4760a31d1755223c118747041be904bd92168088eae3697642c94f4c9445f", kill_on_drop: false }`
[INFO] [stdout] 89f4760a31d1755223c118747041be904bd92168088eae3697642c94f4c9445f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aefc5f876877a5e6ae5399875b306cbbbaddfc73e051ba3a1b24b8d9da8b1eb1
[INFO] running `Command { std: "docker" "start" "-a" "aefc5f876877a5e6ae5399875b306cbbbaddfc73e051ba3a1b24b8d9da8b1eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling FizzBuzzRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/not_multiple_of_checker.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FizzBuzzRust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `fizz_buzz_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/not_multiple_of_checker.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FizzBuzzRust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `fizz_buzz_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/FizzBuzzRust-196d9231d0428e72)
[INFO] [stderr]   Executable tests/fizz_buzz.rs (/opt/rustwide/target/debug/deps/fizz_buzz-9b38e6481bc69553)
[INFO] running `Command { std: "docker" "inspect" "aefc5f876877a5e6ae5399875b306cbbbaddfc73e051ba3a1b24b8d9da8b1eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aefc5f876877a5e6ae5399875b306cbbbaddfc73e051ba3a1b24b8d9da8b1eb1", kill_on_drop: false }`
[INFO] [stdout] aefc5f876877a5e6ae5399875b306cbbbaddfc73e051ba3a1b24b8d9da8b1eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69a9c281627e7b3a19b12876b6a1fe5c9f1642ea86649d247ec656945d5696bf
[INFO] running `Command { std: "docker" "start" "-a" "69a9c281627e7b3a19b12876b6a1fe5c9f1642ea86649d247ec656945d5696bf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/not_multiple_of_checker.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `FizzBuzzRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `fizz_buzz_rust`
[INFO] [stderr] 
[INFO] [stderr] warning: `FizzBuzzRust` (lib) generated 2 warnings
[INFO] [stderr] warning: `FizzBuzzRust` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/FizzBuzzRust-196d9231d0428e72)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test multiple_of_checker::test::return_empty_string_when_the_number_is_a_multiple_of_three ... ok
[INFO] [stderr]      Running tests/fizz_buzz.rs (/opt/rustwide/target/debug/deps/fizz_buzz-9b38e6481bc69553)
[INFO] [stdout] test not_multiple_of_checker::test::return_empty_when_the_number_is_a_multiple_of_a_base ... ok
[INFO] [stdout] test multiple_of_checker::test::return_fizz_when_the_number_is_a_multiple_of_three ... ok
[INFO] [stdout] test not_multiple_of_checker::test::return_the_number_when_it_is_not_a_multiple_of_any_base ... ok
[INFO] [stdout] test test::returns_buzz_with_a_multiple_of_five ... ok
[INFO] [stdout] test test::returns_fizz_with_a_multiple_of_three ... ok
[INFO] [stdout] test test::returns_the_initial_number_when_it_is_not_a_multiple_of_five_or_three ... ok
[INFO] [stdout] test test::returns_fizzbuzz_with_a_multiple_of_both_five_and_three ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test returns_buzz_with_a_multiple_of_five ... ok
[INFO] [stdout] test returns_fizz_with_a_multiple_of_three ... ok
[INFO] [stdout] test returns_fizzbuzz_with_a_multiple_of_both_five_and_three ... ok
[INFO] [stderr]    Doc-tests FizzBuzzRust
[INFO] [stdout] test returns_the_initial_number_when_it_is_not_a_multiple_of_five_or_three ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "69a9c281627e7b3a19b12876b6a1fe5c9f1642ea86649d247ec656945d5696bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a9c281627e7b3a19b12876b6a1fe5c9f1642ea86649d247ec656945d5696bf", kill_on_drop: false }`
[INFO] [stdout] 69a9c281627e7b3a19b12876b6a1fe5c9f1642ea86649d247ec656945d5696bf