[INFO] cloning repository https://github.com/t-sin/mmmm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t-sin/mmmm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-sin%2Fmmmm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-sin%2Fmmmm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c41ec2993aacb58a151ae4fdbf694a7f2a7a3f0
[INFO] testing t-sin/mmmm against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-sin%2Fmmmm" "/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/t-sin/mmmm on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/t-sin/mmmm
[INFO] finished tweaking git repo https://github.com/t-sin/mmmm
[INFO] tweaked toml for git repo https://github.com/t-sin/mmmm written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/t-sin/mmmm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba8ba940b85f2571cb24b59a5dba3c67abc6afe4c46c45262a9051e4373ce6b
[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" "1ba8ba940b85f2571cb24b59a5dba3c67abc6afe4c46c45262a9051e4373ce6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba8ba940b85f2571cb24b59a5dba3c67abc6afe4c46c45262a9051e4373ce6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba8ba940b85f2571cb24b59a5dba3c67abc6afe4c46c45262a9051e4373ce6b", kill_on_drop: false }`
[INFO] [stdout] 1ba8ba940b85f2571cb24b59a5dba3c67abc6afe4c46c45262a9051e4373ce6b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9e727d65781a20a11d5ab2802510216b7b414d8173af868e5208554eb5883b
[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" "6c9e727d65781a20a11d5ab2802510216b7b414d8173af868e5208554eb5883b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling mmmm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.84s
[INFO] running `Command { std: "docker" "inspect" "6c9e727d65781a20a11d5ab2802510216b7b414d8173af868e5208554eb5883b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9e727d65781a20a11d5ab2802510216b7b414d8173af868e5208554eb5883b", kill_on_drop: false }`
[INFO] [stdout] 6c9e727d65781a20a11d5ab2802510216b7b414d8173af868e5208554eb5883b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 528b336bf9f6102c0e4cf98614ac25f8d37c53bb4b211a4a7d0bca9ce945d400
[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" "528b336bf9f6102c0e4cf98614ac25f8d37c53bb4b211a4a7d0bca9ce945d400", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmmm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "528b336bf9f6102c0e4cf98614ac25f8d37c53bb4b211a4a7d0bca9ce945d400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528b336bf9f6102c0e4cf98614ac25f8d37c53bb4b211a4a7d0bca9ce945d400", kill_on_drop: false }`
[INFO] [stdout] 528b336bf9f6102c0e4cf98614ac25f8d37c53bb4b211a4a7d0bca9ce945d400
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 599f60651875ab9699e7c935d14455eabf119ea116f449ccb49a0eea6ec67930
[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" "599f60651875ab9699e7c935d14455eabf119ea116f449ccb49a0eea6ec67930", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mmmm-90136b340858ec3e
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test parse::test_parse::test_newlines ... ok
[INFO] [stdout] test parse::test_parse::test_return ... ok
[INFO] [stdout] test parse::test_parse::test_empty_string ... ok
[INFO] [stdout] test parse::test_parse::test_nested_expressions ... ok
[INFO] [stdout] test parse::test_parse::test_binary_operators ... ok
[INFO] [stdout] test parse::test_parse::test_invoke_function_at ... ok
[INFO] [stdout] test parse::test_parse::test_single_term ... ok
[INFO] [stdout] test parse::test_parse::test_function_args ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_float_for_empty ... ok
[INFO] [stdout] test parse::test_parse::test_if ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_keyword ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_line_comment ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_keyword_including_identifier ... ok
[INFO] [stdout] test parse::test_parse::test_function_return_type ... ok
[INFO] [stdout] test parse::test_parse::test_assignment ... ok
[INFO] [stdout] test parse::test_parse::test_unary_operators ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_invalid_float ... ok
[INFO] [stdout] test parse::test_parse::test_function_definition ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_float ... ok
[INFO] [stdout] test parse::test_parse::test_function_call ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_string ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_special_variable ... ok
[INFO] [stdout] test parse::test_parse::test_array_access ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_op ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_special_variables_including_identifier ... ok
[INFO] [stdout] test tokenize::test_tokenize::test_tokenize_with_comment ... 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] running `Command { std: "docker" "inspect" "599f60651875ab9699e7c935d14455eabf119ea116f449ccb49a0eea6ec67930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599f60651875ab9699e7c935d14455eabf119ea116f449ccb49a0eea6ec67930", kill_on_drop: false }`
[INFO] [stdout] 599f60651875ab9699e7c935d14455eabf119ea116f449ccb49a0eea6ec67930