[INFO] updating cached repository https://github.com/cronokirby/poline
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36c725fe4203343403f0dc1463fce0f76b29147e
[INFO] testing cronokirby/poline against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fpoline" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronokirby/poline on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cronokirby/poline
[INFO] finished tweaking git repo https://github.com/cronokirby/poline
[INFO] tweaked toml for git repo https://github.com/cronokirby/poline written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/cronokirby/poline already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] c1e8582577c2c8cd199acec87168ca04f003302ae040fe810b654184c4c34afb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c1e8582577c2c8cd199acec87168ca04f003302ae040fe810b654184c4c34afb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling poline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `running`
[INFO] [stderr]    --> src/interpreter.rs:226:8
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn running(frames: Frames) -> Self {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "c1e8582577c2c8cd199acec87168ca04f003302ae040fe810b654184c4c34afb"`
[INFO] running `"docker" "rm" "-f" "c1e8582577c2c8cd199acec87168ca04f003302ae040fe810b654184c4c34afb"`
[INFO] [stdout] c1e8582577c2c8cd199acec87168ca04f003302ae040fe810b654184c4c34afb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b4eb864856713e9d13015802c7685976cfd96af5fddcbecf259f093f569f275
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2b4eb864856713e9d13015802c7685976cfd96af5fddcbecf259f093f569f275"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling poline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `running`
[INFO] [stderr]    --> src/interpreter.rs:226:8
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn running(frames: Frames) -> Self {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "2b4eb864856713e9d13015802c7685976cfd96af5fddcbecf259f093f569f275"`
[INFO] running `"docker" "rm" "-f" "2b4eb864856713e9d13015802c7685976cfd96af5fddcbecf259f093f569f275"`
[INFO] [stdout] 2b4eb864856713e9d13015802c7685976cfd96af5fddcbecf259f093f569f275
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76e38aa16f7481ff0233fd01de060bc5821d64e496c0919b76915d0aee31abef
[INFO] running `"docker" "start" "-a" "76e38aa16f7481ff0233fd01de060bc5821d64e496c0919b76915d0aee31abef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `running`
[INFO] [stderr]    --> src/interpreter.rs:226:8
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn running(frames: Frames) -> Self {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/poline-7a27fc3fdfa0ae4f
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test interpreter::test::interpreter_can_call_functions_with_too_little_args ... ok
[INFO] [stdout] test parser::test::lexer_errors_on_unterminated_strings ... ok
[INFO] [stdout] test parser::test::lexer_works_for_semicolons ... ok
[INFO] [stdout] test parser::test::lexer_works_for_to_and_as ... ok
[INFO] [stdout] test parser::test::lexer_works_on_identifiers_and_keywords ... ok
[INFO] [stdout] test parser::test::lexer_works_on_multiple_arg_names ... ok
[INFO] [stdout] test parser::test::lexer_works_on_parens_and_comma ... ok
[INFO] [stdout] test simplifier::test::simplify_can_handle_shadowing ... ok
[INFO] [stdout] test simplifier::test::simplify_can_handle_string_litterals ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_print_spawned_threads ... ok
[INFO] [stdout] test simplifier::test::simplify_works_on_function_names ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_handle_basic_send_and_recieve ... ok
[INFO] [stdout] test parser::test::lexer_works_for_braces ... ok
[INFO] [stdout] test parser::test::lexer_can_parse_strings ... ok
[INFO] [stdout] test parser::test::lexer_ignores_whitespace ... ok
[INFO] [stdout] test parser::test::parser_works_on_example_program ... ok
[INFO] [stdout] test interpreter::test::interpreter_works_on_print ... ok
[INFO] [stdout] test simplifier::test::simplify_can_handle_spawn_and_send ... ok
[INFO] [stdout] test interpreter::test::threads_dont_reuse_identifiers ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_call_functions_with_too_many_args ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_spawn_functions ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_call_functions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "76e38aa16f7481ff0233fd01de060bc5821d64e496c0919b76915d0aee31abef"`
[INFO] running `"docker" "rm" "-f" "76e38aa16f7481ff0233fd01de060bc5821d64e496c0919b76915d0aee31abef"`
[INFO] [stdout] 76e38aa16f7481ff0233fd01de060bc5821d64e496c0919b76915d0aee31abef