[INFO] cloning repository https://github.com/soenkehahn/rust-macro-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soenkehahn/rust-macro-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Frust-macro-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Frust-macro-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1554c05f7653af7a9abad5319fd469d1aca49cb
[INFO] testing soenkehahn/rust-macro-playground against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Frust-macro-playground" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soenkehahn/rust-macro-playground on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soenkehahn/rust-macro-playground
[INFO] finished tweaking git repo https://github.com/soenkehahn/rust-macro-playground
[INFO] tweaked toml for git repo https://github.com/soenkehahn/rust-macro-playground written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/soenkehahn/rust-macro-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25434d2497da37e9c442383dc2eaf87f8eb3fa9c4e662947409b407136923f7d
[INFO] running `Command { std: "docker" "start" "-a" "25434d2497da37e9c442383dc2eaf87f8eb3fa9c4e662947409b407136923f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25434d2497da37e9c442383dc2eaf87f8eb3fa9c4e662947409b407136923f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25434d2497da37e9c442383dc2eaf87f8eb3fa9c4e662947409b407136923f7d", kill_on_drop: false }`
[INFO] [stdout] 25434d2497da37e9c442383dc2eaf87f8eb3fa9c4e662947409b407136923f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b6f799b143f6f594e0128f5f69e142cc11b71bc3042c8596122a2744a531923
[INFO] running `Command { std: "docker" "start" "-a" "0b6f799b143f6f594e0128f5f69e142cc11b71bc3042c8596122a2744a531923", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/eval.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` 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 4.23s
[INFO] running `Command { std: "docker" "inspect" "0b6f799b143f6f594e0128f5f69e142cc11b71bc3042c8596122a2744a531923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6f799b143f6f594e0128f5f69e142cc11b71bc3042c8596122a2744a531923", kill_on_drop: false }`
[INFO] [stdout] 0b6f799b143f6f594e0128f5f69e142cc11b71bc3042c8596122a2744a531923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa2658c07214b4cb8ad4f4ebbc31ae4fd51c4cb045bf72797eb709846bbe66ee
[INFO] running `Command { std: "docker" "start" "-a" "aa2658c07214b4cb8ad4f4ebbc31ae4fd51c4cb045bf72797eb709846bbe66ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/eval.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "aa2658c07214b4cb8ad4f4ebbc31ae4fd51c4cb045bf72797eb709846bbe66ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2658c07214b4cb8ad4f4ebbc31ae4fd51c4cb045bf72797eb709846bbe66ee", kill_on_drop: false }`
[INFO] [stdout] aa2658c07214b4cb8ad4f4ebbc31ae4fd51c4cb045bf72797eb709846bbe66ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91d633d4be7662e809caa2edff697e7191fef1dbaf5d16d9abeb6aab46b65d6a
[INFO] running `Command { std: "docker" "start" "-a" "91d633d4be7662e809caa2edff697e7191fef1dbaf5d16d9abeb6aab46b65d6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/eval.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-macros` (bin "rust-macros" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_macros-2e7a39de4fc2524d)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test eval::test::allows_to_implement_apply ... ok
[INFO] [stdout] test eval::test::allows_to_implement_not_without_alpha_conversion ... ok
[INFO] [stdout] test eval::test::allows_to_implement_fst ... ok
[INFO] [stdout] test eval::test::evaluates_identity_function ... ok
[INFO] [stdout] test eval::test::does_terminate_on_free_variable_applications ... ok
[INFO] [stdout] test eval::test::make_variables_unique::works ... ok
[INFO] [stdout] test eval::test::allows_to_implement_not_with_alpha_conversion ... ok
[INFO] [stdout] test eval::test::get_used_variables::does_return_the_current_identifiers ... ok
[INFO] [stdout] test eval::test::allows_to_apply_not_three_times ... ok
[INFO] [stdout] test eval::test::make_variables_unique::does_not_use_existing_variables ... ok
[INFO] [stdout] test eval::test::proper_alpha_conversion ... ok
[INFO] [stdout] test parser::test::parses_chains_of_applications_as_lambda_bodies ... ok
[INFO] [stdout] test parser::test::parses_functions_with_multiple_arguments ... ok
[INFO] [stdout] test parser::test::parses_parenthesized_lambdas ... ok
[INFO] [stdout] test parser::test::parses_variables ... ok
[INFO] [stdout] test parser::test::parses_lambdas ... ok
[INFO] [stdout] test parser::test::parses_complex_terms ... ok
[INFO] [stdout] test parser::test::parses_applications ... ok
[INFO] [stdout] test parser::test::parses_parenthesis ... ok
[INFO] [stdout] test parser::test::parses_chains_of_applications ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91d633d4be7662e809caa2edff697e7191fef1dbaf5d16d9abeb6aab46b65d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d633d4be7662e809caa2edff697e7191fef1dbaf5d16d9abeb6aab46b65d6a", kill_on_drop: false }`
[INFO] [stdout] 91d633d4be7662e809caa2edff697e7191fef1dbaf5d16d9abeb6aab46b65d6a