[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrevans%2Froman_numerals" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/michaelrevans/roman_numerals on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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/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: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", 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] 036f8f83976dbbc338df965af84ab08128b90ba7309f328e5b7bb96b8ad1c6cc [INFO] running `Command { std: "docker" "start" "-a" "036f8f83976dbbc338df965af84ab08128b90ba7309f328e5b7bb96b8ad1c6cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "036f8f83976dbbc338df965af84ab08128b90ba7309f328e5b7bb96b8ad1c6cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "036f8f83976dbbc338df965af84ab08128b90ba7309f328e5b7bb96b8ad1c6cc", kill_on_drop: false }` [INFO] [stdout] 036f8f83976dbbc338df965af84ab08128b90ba7309f328e5b7bb96b8ad1c6cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 876f81420dcdd1358386041ad42df85adfcaf89f2b6da59f7a824fa214262a20 [INFO] running `Command { std: "docker" "start" "-a" "876f81420dcdd1358386041ad42df85adfcaf89f2b6da59f7a824fa214262a20", kill_on_drop: false }` [INFO] [stderr] Compiling roman-numerals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `get_numerals` [INFO] [stdout] --> src/lib.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn get_numerals(level: &i32) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `roman_numerals` [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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "876f81420dcdd1358386041ad42df85adfcaf89f2b6da59f7a824fa214262a20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "876f81420dcdd1358386041ad42df85adfcaf89f2b6da59f7a824fa214262a20", kill_on_drop: false }` [INFO] [stdout] 876f81420dcdd1358386041ad42df85adfcaf89f2b6da59f7a824fa214262a20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 460149f920392a5c3e31de4b119c04342f74b2cded177b9a43051cae363f02a9 [INFO] running `Command { std: "docker" "start" "-a" "460149f920392a5c3e31de4b119c04342f74b2cded177b9a43051cae363f02a9", kill_on_drop: false }` [INFO] [stderr] Compiling roman-numerals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `get_numerals` [INFO] [stdout] --> src/lib.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn get_numerals(level: &i32) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `roman_numerals` [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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "460149f920392a5c3e31de4b119c04342f74b2cded177b9a43051cae363f02a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "460149f920392a5c3e31de4b119c04342f74b2cded177b9a43051cae363f02a9", kill_on_drop: false }` [INFO] [stdout] 460149f920392a5c3e31de4b119c04342f74b2cded177b9a43051cae363f02a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] c2f1af725e6cbfbd9bbb33b638320aaecbe4242bafa935da3c3a56fa3715a274 [INFO] running `Command { std: "docker" "start" "-a" "c2f1af725e6cbfbd9bbb33b638320aaecbe4242bafa935da3c3a56fa3715a274", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `get_numerals` [INFO] [stderr] --> src/lib.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn get_numerals(level: &i32) -> HashMap { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `roman_numerals` [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/roman_numerals-5cf1cdfb46d28a6e) [INFO] [stdout] [INFO] [stdout] running 27 tests [INFO] [stdout] test tests::it_renders_blank ... ok [INFO] [stdout] test tests::it_renders_five ... ok [INFO] [stdout] test tests::it_renders_eleven ... ok [INFO] [stdout] test tests::it_renders_fifteen ... ok [INFO] [stdout] test tests::it_renders_fourteen ... ok [INFO] [stdout] test tests::it_renders_ninety_nine ... ok [INFO] [stdout] test tests::it_renders_one_hundred ... ok [INFO] [stdout] test tests::it_renders_nineteen ... ok [INFO] [stdout] test tests::it_renders_one ... ok [INFO] [stdout] test tests::it_renders_sixteen ... ok [INFO] [stdout] test tests::it_renders_thirty ... ok [INFO] [stdout] test tests::it_renders_seven ... ok [INFO] [stdout] test tests::it_renders_one_thousand ... ok [INFO] [stdout] test tests::it_renders_twenty ... ok [INFO] [stdout] test tests::it_renders_twenty_one ... ok [INFO] [stdout] test tests::it_renders_nine_hundred_and_ninety_nine ... ok [INFO] [stdout] test tests::it_renders_two ... ok [INFO] [stdout] test tests::it_renders_nine ... ok [INFO] [stdout] test tests::it_renders_sixty ... ok [INFO] [stdout] test tests::it_renders_three ... ok [INFO] [stdout] test tests::it_renders_six ... ok [INFO] [stdout] test tests::it_renders_fifty ... ok [INFO] [stdout] test tests::it_renders_four_hundred_and_forty_seven ... ok [INFO] [stdout] test tests::it_renders_four ... ok [INFO] [stdout] test tests::it_renders_forty ... ok [INFO] [stdout] test tests::it_renders_fifty_seven ... ok [INFO] [stdout] test tests::it_renders_forty_nine ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests roman-numerals [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" "c2f1af725e6cbfbd9bbb33b638320aaecbe4242bafa935da3c3a56fa3715a274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2f1af725e6cbfbd9bbb33b638320aaecbe4242bafa935da3c3a56fa3715a274", kill_on_drop: false }` [INFO] [stdout] c2f1af725e6cbfbd9bbb33b638320aaecbe4242bafa935da3c3a56fa3715a274