[INFO] cloning repository https://github.com/hsmtkk/refactored-barnacle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/refactored-barnacle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Frefactored-barnacle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Frefactored-barnacle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc355a21e08702077cdfbbcb363c631831082743
[INFO] testing hsmtkk/refactored-barnacle 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%2Fhsmtkk%2Frefactored-barnacle" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hsmtkk/refactored-barnacle 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/hsmtkk/refactored-barnacle
[INFO] finished tweaking git repo https://github.com/hsmtkk/refactored-barnacle
[INFO] tweaked toml for git repo https://github.com/hsmtkk/refactored-barnacle written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/hsmtkk/refactored-barnacle 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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] df31fce7596788055bc54e99aea0bb78b1d2eea0644e28f4a9de002b4a15e846
[INFO] running `Command { std: "docker" "start" "-a" "df31fce7596788055bc54e99aea0bb78b1d2eea0644e28f4a9de002b4a15e846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df31fce7596788055bc54e99aea0bb78b1d2eea0644e28f4a9de002b4a15e846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df31fce7596788055bc54e99aea0bb78b1d2eea0644e28f4a9de002b4a15e846", kill_on_drop: false }`
[INFO] [stdout] df31fce7596788055bc54e99aea0bb78b1d2eea0644e28f4a9de002b4a15e846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 78fd77b818eb19b20756656d3a53b704f9a63809434695f6592b104da909b6ba
[INFO] running `Command { std: "docker" "start" "-a" "78fd77b818eb19b20756656d3a53b704f9a63809434695f6592b104da909b6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling refactored-barnacle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/powerful_digit_sum.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve() -> u32{
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_digit`
[INFO] [stdout]   --> src/powerful_digit_sum.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn sum_digit(n:BigUint) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "78fd77b818eb19b20756656d3a53b704f9a63809434695f6592b104da909b6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78fd77b818eb19b20756656d3a53b704f9a63809434695f6592b104da909b6ba", kill_on_drop: false }`
[INFO] [stdout] 78fd77b818eb19b20756656d3a53b704f9a63809434695f6592b104da909b6ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 7f0c5c513d9438030083e6dae730fa1a92de40b4cb2322fe6a9a2c241d890475
[INFO] running `Command { std: "docker" "start" "-a" "7f0c5c513d9438030083e6dae730fa1a92de40b4cb2322fe6a9a2c241d890475", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/powerful_digit_sum.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve() -> u32{
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_digit`
[INFO] [stdout]   --> src/powerful_digit_sum.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn sum_digit(n:BigUint) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling refactored-barnacle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/refactored_barnacle-ab686cfd13eef3c1)
[INFO] running `Command { std: "docker" "inspect" "7f0c5c513d9438030083e6dae730fa1a92de40b4cb2322fe6a9a2c241d890475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0c5c513d9438030083e6dae730fa1a92de40b4cb2322fe6a9a2c241d890475", kill_on_drop: false }`
[INFO] [stdout] 7f0c5c513d9438030083e6dae730fa1a92de40b4cb2322fe6a9a2c241d890475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] c595a3bc6e0a431b0210877b8294dd7c2920a549290658b32c93e827a19ae1fb
[INFO] running `Command { std: "docker" "start" "-a" "c595a3bc6e0a431b0210877b8294dd7c2920a549290658b32c93e827a19ae1fb", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]  --> src/powerful_digit_sum.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn solve() -> u32{
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum_digit`
[INFO] [stderr]   --> src/powerful_digit_sum.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn sum_digit(n:BigUint) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `refactored-barnacle` (lib) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/refactored_barnacle-ab686cfd13eef3c1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test powerful_digit_sum::tests::test_sum_digit ... ok
[INFO] [stdout] test powerful_digit_sum::tests::test_solution ... ok
[INFO] [stderr]    Doc-tests refactored-barnacle
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[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" "c595a3bc6e0a431b0210877b8294dd7c2920a549290658b32c93e827a19ae1fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c595a3bc6e0a431b0210877b8294dd7c2920a549290658b32c93e827a19ae1fb", kill_on_drop: false }`
[INFO] [stdout] c595a3bc6e0a431b0210877b8294dd7c2920a549290658b32c93e827a19ae1fb