[INFO] cloning repository https://github.com/kari-lang/kari
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kari-lang/kari" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkari-lang%2Fkari", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkari-lang%2Fkari'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76c076e59c29f6310c557437489503e7d2cb0b45
[INFO] testing kari-lang/kari against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkari-lang%2Fkari" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kari-lang/kari 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/kari-lang/kari
[INFO] finished tweaking git repo https://github.com/kari-lang/kari
[INFO] tweaked toml for git repo https://github.com/kari-lang/kari written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kari-lang/kari 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 55256a2012a971f77b317a6c6b673d8fb7cc49512a85943d6d91ede0d0050b0e
[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" "55256a2012a971f77b317a6c6b673d8fb7cc49512a85943d6d91ede0d0050b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55256a2012a971f77b317a6c6b673d8fb7cc49512a85943d6d91ede0d0050b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55256a2012a971f77b317a6c6b673d8fb7cc49512a85943d6d91ede0d0050b0e", kill_on_drop: false }`
[INFO] [stdout] 55256a2012a971f77b317a6c6b673d8fb7cc49512a85943d6d91ede0d0050b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4b97885102bdeab0d49a9ac9ec54fcacd3fdebf8bd9e84e07a06be9ba97bb6a4
[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" "4b97885102bdeab0d49a9ac9ec54fcacd3fdebf8bd9e84e07a06be9ba97bb6a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling acc_reader v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling decorum v0.3.1
[INFO] [stderr]    Compiling kari v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.25s
[INFO] running `Command { std: "docker" "inspect" "4b97885102bdeab0d49a9ac9ec54fcacd3fdebf8bd9e84e07a06be9ba97bb6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b97885102bdeab0d49a9ac9ec54fcacd3fdebf8bd9e84e07a06be9ba97bb6a4", kill_on_drop: false }`
[INFO] [stdout] 4b97885102bdeab0d49a9ac9ec54fcacd3fdebf8bd9e84e07a06be9ba97bb6a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5ef633b0a4d441cc2c773392a4d42d99df78f6f2c2c3f154f91030e98a1f314
[INFO] running `Command { std: "docker" "start" "-a" "c5ef633b0a4d441cc2c773392a4d42d99df78f6f2c2c3f154f91030e98a1f314", kill_on_drop: false }`
[INFO] [stderr]    Compiling kari v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "c5ef633b0a4d441cc2c773392a4d42d99df78f6f2c2c3f154f91030e98a1f314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ef633b0a4d441cc2c773392a4d42d99df78f6f2c2c3f154f91030e98a1f314", kill_on_drop: false }`
[INFO] [stdout] c5ef633b0a4d441cc2c773392a4d42d99df78f6f2c2c3f154f91030e98a1f314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 307ca068ac82113168c25d557e00345d9bf008d97d21db5a6150edb80498d0a2
[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" "307ca068ac82113168c25d557e00345d9bf008d97d21db5a6150edb80498d0a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kari-3868f60b9fba6223
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test functions::tests::it_should_not_find_function_defined_in_child_scope ... ok
[INFO] [stdout] test functions::tests::it_should_find_function_defined_in_parent_scope ... ok
[INFO] [stdout] test functions::tests::it_should_reject_functions_less_specific_than_a_defined_function ... ok
[INFO] [stdout] test functions::tests::it_should_reject_functions_that_are_already_defined ... ok
[INFO] [stdout] test functions::tests::it_should_return_function_without_args_regardless_of_stack ... ok
[INFO] [stdout] test functions::tests::it_should_reject_functions_more_specific_than_a_defined_function ... ok
[INFO] [stdout] test functions::tests::it_should_reject_no_arg_functions_if_name_is_already_taken ... ok
[INFO] [stdout] test functions::tests::it_should_return_the_function_that_matches_the_types_on_the_stack ... ok
[INFO] [stdout] test functions::tests::it_should_return_list_of_candidates_if_function_doesnt_match_stack ... ok
[INFO] [stdout] test value::cast::test::it_should_cast_two_values ... ok
[INFO] [stdout] test functions::tests::it_should_return_none_if_function_wasnt_defined ... ok
[INFO] [stdout] test functions::tests::it_should_return_functions_that_were_defined ... ok
[INFO] [stdout] test value::cast::test::it_should_cast_a_single_value ... ok
[INFO] [stdout] test value::cast::test::it_should_cast_three_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kari-86ae57a4ab11b852
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tester-c3292575c2e6982f
[INFO] [stderr]    Doc-tests kari
[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] [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" "307ca068ac82113168c25d557e00345d9bf008d97d21db5a6150edb80498d0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307ca068ac82113168c25d557e00345d9bf008d97d21db5a6150edb80498d0a2", kill_on_drop: false }`
[INFO] [stdout] 307ca068ac82113168c25d557e00345d9bf008d97d21db5a6150edb80498d0a2