[INFO] cloning repository https://github.com/michaelrevans/roman_numerals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelrevans/roman_numerals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrevans%2Froman_numerals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrevans%2Froman_numerals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7260b4317700f2ffea8d85a330b3ad91058468e5
[INFO] testing michaelrevans/roman_numerals against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrevans%2Froman_numerals" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelrevans/roman_numerals on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelrevans/roman_numerals
[INFO] finished tweaking git repo https://github.com/michaelrevans/roman_numerals
[INFO] tweaked toml for git repo https://github.com/michaelrevans/roman_numerals written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelrevans/roman_numerals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9340c982a455bc82549e93bdf470516732e79010b25d3e912e859a0fe3272257
[INFO] running `Command { std: "docker" "start" "-a" "9340c982a455bc82549e93bdf470516732e79010b25d3e912e859a0fe3272257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9340c982a455bc82549e93bdf470516732e79010b25d3e912e859a0fe3272257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9340c982a455bc82549e93bdf470516732e79010b25d3e912e859a0fe3272257", kill_on_drop: false }`
[INFO] [stdout] 9340c982a455bc82549e93bdf470516732e79010b25d3e912e859a0fe3272257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d59be2ffad1cbdc8f9f7cf8f4d628400aa7fe6c957fd9181026ae9b4b9e18e
[INFO] running `Command { std: "docker" "start" "-a" "37d59be2ffad1cbdc8f9f7cf8f4d628400aa7fe6c957fd9181026ae9b4b9e18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_numerals` is never used
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn get_numerals(level: &i32) -> HashMap<i32, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `roman_numerals` is never used
[INFO] [stdout]   --> src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn roman_numerals(int: i32, level: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "37d59be2ffad1cbdc8f9f7cf8f4d628400aa7fe6c957fd9181026ae9b4b9e18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d59be2ffad1cbdc8f9f7cf8f4d628400aa7fe6c957fd9181026ae9b4b9e18e", kill_on_drop: false }`
[INFO] [stdout] 37d59be2ffad1cbdc8f9f7cf8f4d628400aa7fe6c957fd9181026ae9b4b9e18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1face4484681ca788e9f70ef2fa160e9c4ad3d302db47cfa4b76f2c0b60e1962
[INFO] running `Command { std: "docker" "start" "-a" "1face4484681ca788e9f70ef2fa160e9c4ad3d302db47cfa4b76f2c0b60e1962", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_numerals` is never used
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn get_numerals(level: &i32) -> HashMap<i32, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `roman_numerals` is never used
[INFO] [stdout]   --> src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn roman_numerals(int: i32, level: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "1face4484681ca788e9f70ef2fa160e9c4ad3d302db47cfa4b76f2c0b60e1962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1face4484681ca788e9f70ef2fa160e9c4ad3d302db47cfa4b76f2c0b60e1962", kill_on_drop: false }`
[INFO] [stdout] 1face4484681ca788e9f70ef2fa160e9c4ad3d302db47cfa4b76f2c0b60e1962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7787faecfdc688be06742b743aaf129b8206214fb20791de0c83bd5201268853
[INFO] running `Command { std: "docker" "start" "-a" "7787faecfdc688be06742b743aaf129b8206214fb20791de0c83bd5201268853", kill_on_drop: false }`
[INFO] [stderr] warning: function `get_numerals` is never used
[INFO] [stderr]  --> src/lib.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn get_numerals(level: &i32) -> HashMap<i32, String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `roman_numerals` is never used
[INFO] [stderr]   --> src/lib.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn roman_numerals(int: i32, level: i32) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `roman-numerals` (lib) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals-68fdccf0df790cc0)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test tests::it_renders_blank ... ok
[INFO] [stdout] test tests::it_renders_fifty ... ok
[INFO] [stdout] test tests::it_renders_fifteen ... ok
[INFO] [stdout] test tests::it_renders_fifty_seven ... ok
[INFO] [stdout] test tests::it_renders_forty_nine ... ok
[INFO] [stdout] test tests::it_renders_eleven ... ok
[INFO] [stdout] test tests::it_renders_four ... ok
[INFO] [stdout] test tests::it_renders_fourteen ... ok
[INFO] [stdout] test tests::it_renders_nine ... ok
[INFO] [stdout] test tests::it_renders_five ... ok
[INFO] [stdout] test tests::it_renders_forty ... ok
[INFO] [stdout] test tests::it_renders_nine_hundred_and_ninety_nine ... ok
[INFO] [stdout] test tests::it_renders_four_hundred_and_forty_seven ... ok
[INFO] [stdout] test tests::it_renders_nineteen ... ok
[INFO] [stdout] test tests::it_renders_one_hundred ... ok
[INFO] [stdout] test tests::it_renders_ninety_nine ... ok
[INFO] [stdout] test tests::it_renders_one ... ok
[INFO] [stdout] test tests::it_renders_six ... ok
[INFO] [stdout] test tests::it_renders_sixteen ... ok
[INFO] [stdout] test tests::it_renders_two ... ok
[INFO] [stdout] test tests::it_renders_sixty ... ok
[INFO] [stdout] test tests::it_renders_three ... ok
[INFO] [stdout] test tests::it_renders_twenty ... ok
[INFO] [stdout] test tests::it_renders_one_thousand ... ok
[INFO] [stdout] test tests::it_renders_thirty ... ok
[INFO] [stdout] test tests::it_renders_twenty_one ... ok
[INFO] [stderr]    Doc-tests roman_numerals
[INFO] [stdout] test tests::it_renders_seven ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "7787faecfdc688be06742b743aaf129b8206214fb20791de0c83bd5201268853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7787faecfdc688be06742b743aaf129b8206214fb20791de0c83bd5201268853", kill_on_drop: false }`
[INFO] [stdout] 7787faecfdc688be06742b743aaf129b8206214fb20791de0c83bd5201268853