[INFO] cloning repository https://github.com/cronokirby/poline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cronokirby/poline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fpoline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fpoline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c725fe4203343403f0dc1463fce0f76b29147e
[INFO] testing cronokirby/poline against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fpoline" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronokirby/poline 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/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-13/source/Cargo.toml
[INFO] crate git repo https://github.com/cronokirby/poline 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63612ff4cd62c22694638caf6b7a8d0147607b16ae479c6c55e111c6eca5be43
[INFO] running `Command { std: "docker" "start" "-a" "63612ff4cd62c22694638caf6b7a8d0147607b16ae479c6c55e111c6eca5be43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63612ff4cd62c22694638caf6b7a8d0147607b16ae479c6c55e111c6eca5be43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63612ff4cd62c22694638caf6b7a8d0147607b16ae479c6c55e111c6eca5be43", kill_on_drop: false }`
[INFO] [stdout] 63612ff4cd62c22694638caf6b7a8d0147607b16ae479c6c55e111c6eca5be43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5b70fcf6a2a2e52e75e68e6681f6b649cbc6c60f806ffe8785772b3333eb7f4f
[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" "5b70fcf6a2a2e52e75e68e6681f6b649cbc6c60f806ffe8785772b3333eb7f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling poline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `running`
[INFO] [stdout]    --> src/interpreter.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn running(frames: Frames) -> Self {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "5b70fcf6a2a2e52e75e68e6681f6b649cbc6c60f806ffe8785772b3333eb7f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b70fcf6a2a2e52e75e68e6681f6b649cbc6c60f806ffe8785772b3333eb7f4f", kill_on_drop: false }`
[INFO] [stdout] 5b70fcf6a2a2e52e75e68e6681f6b649cbc6c60f806ffe8785772b3333eb7f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6b949a5072122bea3e98a42490aef01cf2601bb1134a3ee939395a3fd4f4c396
[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" "6b949a5072122bea3e98a42490aef01cf2601bb1134a3ee939395a3fd4f4c396", kill_on_drop: false }`
[INFO] [stderr]    Compiling poline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `running`
[INFO] [stdout]    --> src/interpreter.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn running(frames: Frames) -> Self {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "6b949a5072122bea3e98a42490aef01cf2601bb1134a3ee939395a3fd4f4c396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b949a5072122bea3e98a42490aef01cf2601bb1134a3ee939395a3fd4f4c396", kill_on_drop: false }`
[INFO] [stdout] 6b949a5072122bea3e98a42490aef01cf2601bb1134a3ee939395a3fd4f4c396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 99116e918d4f2ebbe07db160d09c4cf4aaa154578346e5fbf5c52086f2bdbd8a
[INFO] running `Command { std: "docker" "start" "-a" "99116e918d4f2ebbe07db160d09c4cf4aaa154578346e5fbf5c52086f2bdbd8a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `running`
[INFO] [stdout] running 22 tests
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/poline-f38c981b20cc9027
[INFO] [stdout] test interpreter::test::interpreter_can_call_functions_with_too_little_args ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_print_spawned_threads ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_handle_basic_send_and_recieve ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_call_functions_with_too_many_args ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_call_functions ... ok
[INFO] [stdout] test interpreter::test::interpreter_works_on_print ... ok
[INFO] [stdout] test interpreter::test::interpreter_can_spawn_functions ... ok
[INFO] [stdout] test parser::test::lexer_errors_on_unterminated_strings ... ok
[INFO] [stdout] test parser::test::lexer_ignores_whitespace ... ok
[INFO] [stdout] test parser::test::lexer_can_parse_strings ... ok
[INFO] [stdout] test interpreter::test::threads_dont_reuse_identifiers ... ok
[INFO] [stdout] test parser::test::lexer_works_on_identifiers_and_keywords ... ok
[INFO] [stdout] test parser::test::lexer_works_for_to_and_as ... ok
[INFO] [stdout] test parser::test::lexer_works_on_parens_and_comma ... ok
[INFO] [stdout] test parser::test::lexer_works_on_multiple_arg_names ... ok
[INFO] [stdout] test parser::test::lexer_works_for_semicolons ... ok
[INFO] [stdout] test simplifier::test::simplify_can_handle_shadowing ... ok
[INFO] [stdout] test parser::test::parser_works_on_example_program ... ok
[INFO] [stdout] test parser::test::lexer_works_for_braces ... ok
[INFO] [stdout] test simplifier::test::simplify_can_handle_spawn_and_send ... ok
[INFO] [stdout] test simplifier::test::simplify_works_on_function_names ... ok
[INFO] [stdout] test simplifier::test::simplify_can_handle_string_litterals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99116e918d4f2ebbe07db160d09c4cf4aaa154578346e5fbf5c52086f2bdbd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99116e918d4f2ebbe07db160d09c4cf4aaa154578346e5fbf5c52086f2bdbd8a", kill_on_drop: false }`
[INFO] [stdout] 99116e918d4f2ebbe07db160d09c4cf4aaa154578346e5fbf5c52086f2bdbd8a