[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 try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXDMAN500%2FRust-RomanNumerals" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XDMAN500/Rust-RomanNumerals on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-110/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 437731fe1d9bc22498ddfff295b0df642679901d22b341638265d87c5367fd0d
[INFO] running `Command { std: "docker" "start" "-a" "437731fe1d9bc22498ddfff295b0df642679901d22b341638265d87c5367fd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "437731fe1d9bc22498ddfff295b0df642679901d22b341638265d87c5367fd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437731fe1d9bc22498ddfff295b0df642679901d22b341638265d87c5367fd0d", kill_on_drop: false }`
[INFO] [stdout] 437731fe1d9bc22498ddfff295b0df642679901d22b341638265d87c5367fd0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e868afb49f985e0f2c8e4552fc70f47338b4f58a0f144163761284fbf389c0
[INFO] running `Command { std: "docker" "start" "-a" "c1e868afb49f985e0f2c8e4552fc70f47338b4f58a0f144163761284fbf389c0", 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "c1e868afb49f985e0f2c8e4552fc70f47338b4f58a0f144163761284fbf389c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e868afb49f985e0f2c8e4552fc70f47338b4f58a0f144163761284fbf389c0", kill_on_drop: false }`
[INFO] [stdout] c1e868afb49f985e0f2c8e4552fc70f47338b4f58a0f144163761284fbf389c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d32d2c2647e102f0e796b230dd409283e2cad20e4c0ac23ee57e7a4006c60038
[INFO] running `Command { std: "docker" "start" "-a" "d32d2c2647e102f0e796b230dd409283e2cad20e4c0ac23ee57e7a4006c60038", 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 0.37s
[INFO] running `Command { std: "docker" "inspect" "d32d2c2647e102f0e796b230dd409283e2cad20e4c0ac23ee57e7a4006c60038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32d2c2647e102f0e796b230dd409283e2cad20e4c0ac23ee57e7a4006c60038", kill_on_drop: false }`
[INFO] [stdout] d32d2c2647e102f0e796b230dd409283e2cad20e4c0ac23ee57e7a4006c60038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e667ed112fd8c9be623d6bc831a626dde055f7189eb2d7b0a951c13b79204a49
[INFO] running `Command { std: "docker" "start" "-a" "e667ed112fd8c9be623d6bc831a626dde055f7189eb2d7b0a951c13b79204a49", 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 2.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_numerals-f495bebba0985aed)
[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" "e667ed112fd8c9be623d6bc831a626dde055f7189eb2d7b0a951c13b79204a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e667ed112fd8c9be623d6bc831a626dde055f7189eb2d7b0a951c13b79204a49", kill_on_drop: false }`
[INFO] [stdout] e667ed112fd8c9be623d6bc831a626dde055f7189eb2d7b0a951c13b79204a49