[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 beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXDMAN500%2FRust-RomanNumerals" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XDMAN500/Rust-RomanNumerals on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8e980c3813c52161685b7f49d177f0f7af75527eb64c88ec576096a1aff3ad9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a8e980c3813c52161685b7f49d177f0f7af75527eb64c88ec576096a1aff3ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e980c3813c52161685b7f49d177f0f7af75527eb64c88ec576096a1aff3ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e980c3813c52161685b7f49d177f0f7af75527eb64c88ec576096a1aff3ad9", kill_on_drop: false }`
[INFO] [stdout] a8e980c3813c52161685b7f49d177f0f7af75527eb64c88ec576096a1aff3ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60563f1721ecfe442a0e6567b629b4ae1966f334d3a2889a01d0c37e4e91cc20
[INFO] running `Command { std: "docker" "start" "-a" "60563f1721ecfe442a0e6567b629b4ae1966f334d3a2889a01d0c37e4e91cc20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.35s
[INFO] running `Command { std: "docker" "inspect" "60563f1721ecfe442a0e6567b629b4ae1966f334d3a2889a01d0c37e4e91cc20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60563f1721ecfe442a0e6567b629b4ae1966f334d3a2889a01d0c37e4e91cc20", kill_on_drop: false }`
[INFO] [stdout] 60563f1721ecfe442a0e6567b629b4ae1966f334d3a2889a01d0c37e4e91cc20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bba0fee059362a140d8479efea1dcd3e25c0689013f0ae7148b37f8f1d73c72
[INFO] running `Command { std: "docker" "start" "-a" "1bba0fee059362a140d8479efea1dcd3e25c0689013f0ae7148b37f8f1d73c72", 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 0.79s
[INFO] running `Command { std: "docker" "inspect" "1bba0fee059362a140d8479efea1dcd3e25c0689013f0ae7148b37f8f1d73c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bba0fee059362a140d8479efea1dcd3e25c0689013f0ae7148b37f8f1d73c72", kill_on_drop: false }`
[INFO] [stdout] 1bba0fee059362a140d8479efea1dcd3e25c0689013f0ae7148b37f8f1d73c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7a6f2bf11fd45b5281dfc1d56041508396ffaebb25bd47ac5d8836ad83d6dec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b7a6f2bf11fd45b5281dfc1d56041508396ffaebb25bd47ac5d8836ad83d6dec", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roman_numerals-dda489f4e5345b59
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7a6f2bf11fd45b5281dfc1d56041508396ffaebb25bd47ac5d8836ad83d6dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a6f2bf11fd45b5281dfc1d56041508396ffaebb25bd47ac5d8836ad83d6dec", kill_on_drop: false }`
[INFO] [stdout] b7a6f2bf11fd45b5281dfc1d56041508396ffaebb25bd47ac5d8836ad83d6dec
