[INFO] cloning repository https://github.com/XDMAN500/Rust-RomanNumerals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XDMAN500/Rust-RomanNumerals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXDMAN500%2FRust-RomanNumerals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXDMAN500%2FRust-RomanNumerals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88eb1d2a1dbe778b320b7a4595a44ae19b600d2f
[INFO] testing XDMAN500/Rust-RomanNumerals against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXDMAN500%2FRust-RomanNumerals" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XDMAN500/Rust-RomanNumerals 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 git repo https://github.com/XDMAN500/Rust-RomanNumerals
[INFO] finished tweaking git repo https://github.com/XDMAN500/Rust-RomanNumerals
[INFO] tweaked toml for git repo https://github.com/XDMAN500/Rust-RomanNumerals written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/XDMAN500/Rust-RomanNumerals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0f2898637d72e3f7205fd6e6a4b5663af0bf772c53a5db56b87f6fc26402ae61
[INFO] running `Command { std: "docker" "start" "-a" "0f2898637d72e3f7205fd6e6a4b5663af0bf772c53a5db56b87f6fc26402ae61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f2898637d72e3f7205fd6e6a4b5663af0bf772c53a5db56b87f6fc26402ae61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2898637d72e3f7205fd6e6a4b5663af0bf772c53a5db56b87f6fc26402ae61", kill_on_drop: false }`
[INFO] [stdout] 0f2898637d72e3f7205fd6e6a4b5663af0bf772c53a5db56b87f6fc26402ae61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b7f353548b928a451e2964f78659afb3b6610a572aae8851c0e2f1385f233ca8
[INFO] running `Command { std: "docker" "start" "-a" "b7f353548b928a451e2964f78659afb3b6610a572aae8851c0e2f1385f233ca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_decimal`
[INFO] [stdout]   --> src/roman_numerals.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn from_decimal<'a>(num: i32) -> Option<&'a RomanDigit> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "b7f353548b928a451e2964f78659afb3b6610a572aae8851c0e2f1385f233ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f353548b928a451e2964f78659afb3b6610a572aae8851c0e2f1385f233ca8", kill_on_drop: false }`
[INFO] [stdout] b7f353548b928a451e2964f78659afb3b6610a572aae8851c0e2f1385f233ca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] e9e53a27c2f4ed34886639e525e9cba0318abf065a3f3fd11a9ab7f1f0a7231a
[INFO] running `Command { std: "docker" "start" "-a" "e9e53a27c2f4ed34886639e525e9cba0318abf065a3f3fd11a9ab7f1f0a7231a", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_decimal`
[INFO] [stdout]   --> src/roman_numerals.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn from_decimal<'a>(num: i32) -> Option<&'a RomanDigit> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e9e53a27c2f4ed34886639e525e9cba0318abf065a3f3fd11a9ab7f1f0a7231a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e53a27c2f4ed34886639e525e9cba0318abf065a3f3fd11a9ab7f1f0a7231a", kill_on_drop: false }`
[INFO] [stdout] e9e53a27c2f4ed34886639e525e9cba0318abf065a3f3fd11a9ab7f1f0a7231a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 09f196b69a5c6d29acd76f21e01bc91f8796e97f7fb18b74cb5e8ab05af406ca
[INFO] running `Command { std: "docker" "start" "-a" "09f196b69a5c6d29acd76f21e01bc91f8796e97f7fb18b74cb5e8ab05af406ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `from_decimal`
[INFO] [stderr]   --> src/roman_numerals.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |         fn from_decimal<'a>(num: i32) -> Option<&'a RomanDigit> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `roman-numerals` (bin "roman-numerals" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_numerals-a77e5b3d0f413d2d)
[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" "09f196b69a5c6d29acd76f21e01bc91f8796e97f7fb18b74cb5e8ab05af406ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f196b69a5c6d29acd76f21e01bc91f8796e97f7fb18b74cb5e8ab05af406ca", kill_on_drop: false }`
[INFO] [stdout] 09f196b69a5c6d29acd76f21e01bc91f8796e97f7fb18b74cb5e8ab05af406ca