[INFO] cloning repository https://github.com/riojack/rust_look_and_say_kata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/riojack/rust_look_and_say_kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friojack%2Frust_look_and_say_kata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friojack%2Frust_look_and_say_kata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acd9aacb63858bdc86db7884e87c00cfc4cc0a3c
[INFO] testing riojack/rust_look_and_say_kata against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Friojack%2Frust_look_and_say_kata" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/riojack/rust_look_and_say_kata on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/riojack/rust_look_and_say_kata
[INFO] finished tweaking git repo https://github.com/riojack/rust_look_and_say_kata
[INFO] tweaked toml for git repo https://github.com/riojack/rust_look_and_say_kata written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/riojack/rust_look_and_say_kata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71fa42880f55b8b563560b435ab368b1cb3852687d148f42349c1a4f5c68e4fe
[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" "71fa42880f55b8b563560b435ab368b1cb3852687d148f42349c1a4f5c68e4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71fa42880f55b8b563560b435ab368b1cb3852687d148f42349c1a4f5c68e4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fa42880f55b8b563560b435ab368b1cb3852687d148f42349c1a4f5c68e4fe", kill_on_drop: false }`
[INFO] [stdout] 71fa42880f55b8b563560b435ab368b1cb3852687d148f42349c1a4f5c68e4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0190531d19583776a1fc26685334b6ae5d9d63f25711fe1d8761503330001d72
[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" "0190531d19583776a1fc26685334b6ae5d9d63f25711fe1d8761503330001d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling look_and_say_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0190531d19583776a1fc26685334b6ae5d9d63f25711fe1d8761503330001d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0190531d19583776a1fc26685334b6ae5d9d63f25711fe1d8761503330001d72", kill_on_drop: false }`
[INFO] [stdout] 0190531d19583776a1fc26685334b6ae5d9d63f25711fe1d8761503330001d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45495142b61e62c4d4edab8fd14718373f7b0ce3ba740903de4e7969e10be50c
[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" "45495142b61e62c4d4edab8fd14718373f7b0ce3ba740903de4e7969e10be50c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling test-case v0.3.3
[INFO] [stderr]    Compiling look_and_say_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.52s
[INFO] running `Command { std: "docker" "inspect" "45495142b61e62c4d4edab8fd14718373f7b0ce3ba740903de4e7969e10be50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45495142b61e62c4d4edab8fd14718373f7b0ce3ba740903de4e7969e10be50c", kill_on_drop: false }`
[INFO] [stdout] 45495142b61e62c4d4edab8fd14718373f7b0ce3ba740903de4e7969e10be50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 34111dc90813de3478f71b79e835e4b7a20e9260230f689ef7d711107e56d92a
[INFO] running `Command { std: "docker" "start" "-a" "34111dc90813de3478f71b79e835e4b7a20e9260230f689ef7d711107e56d92a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/look_and_say_kata-200d685210c762f2
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests look_and_say_kata
[INFO] [stdout] test algorithm::look_and_say::tests::test_harness::when_input_is_21_expect_output_of_1211 ... ok
[INFO] [stdout] test algorithm::look_and_say::tests::test_harness::when_input_is_1_expect_output_of_11 ... ok
[INFO] [stdout] test algorithm::look_and_say::tests::test_harness::when_input_is_11_expect_output_of_21 ... ok
[INFO] [stdout] test algorithm::look_and_say::tests::test_harness::when_input_is_1211_expect_output_of_111221 ... ok
[INFO] [stdout] test algorithm::look_and_say::tests::test_harness::when_input_is_111221_expect_output_of_312211 ... ok
[INFO] [stdout] test algorithm::look_and_say::tests::test_harness::when_input_is_312211_expect_output_of_13112221 ... ok
[INFO] [stdout] test algorithm::look_and_say::tests::test_harness::when_input_is_blank_expect_output_of_blank ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34111dc90813de3478f71b79e835e4b7a20e9260230f689ef7d711107e56d92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34111dc90813de3478f71b79e835e4b7a20e9260230f689ef7d711107e56d92a", kill_on_drop: false }`
[INFO] [stdout] 34111dc90813de3478f71b79e835e4b7a20e9260230f689ef7d711107e56d92a