[INFO] fetching crate passerine 0.9.2...
[INFO] testing passerine-0.9.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate passerine 0.9.2 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate passerine 0.9.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate passerine 0.9.2
[INFO] finished tweaking crates.io crate passerine 0.9.2
[INFO] tweaked toml for crates.io crate passerine 0.9.2 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6877adeb14c6f70d5cbc55830e0d0953bff3559e54de1bb988f6588fec79a027
[INFO] running `Command { std: "docker" "start" "-a" "6877adeb14c6f70d5cbc55830e0d0953bff3559e54de1bb988f6588fec79a027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6877adeb14c6f70d5cbc55830e0d0953bff3559e54de1bb988f6588fec79a027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6877adeb14c6f70d5cbc55830e0d0953bff3559e54de1bb988f6588fec79a027", kill_on_drop: false }`
[INFO] [stdout] 6877adeb14c6f70d5cbc55830e0d0953bff3559e54de1bb988f6588fec79a027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 776e3ea36520710ab16fabd9dfa19245ff4bf54eb45cefed20c9ebb7e27dd448
[INFO] running `Command { std: "docker" "start" "-a" "776e3ea36520710ab16fabd9dfa19245ff4bf54eb45cefed20c9ebb7e27dd448", kill_on_drop: false }`
[INFO] [stderr]    Compiling passerine v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "776e3ea36520710ab16fabd9dfa19245ff4bf54eb45cefed20c9ebb7e27dd448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776e3ea36520710ab16fabd9dfa19245ff4bf54eb45cefed20c9ebb7e27dd448", kill_on_drop: false }`
[INFO] [stdout] 776e3ea36520710ab16fabd9dfa19245ff4bf54eb45cefed20c9ebb7e27dd448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c735debb37ca6b96c733496043cfa52b8df52c3859e290eb99d903c190e57a90
[INFO] running `Command { std: "docker" "start" "-a" "c735debb37ca6b96c733496043cfa52b8df52c3859e290eb99d903c190e57a90", kill_on_drop: false }`
[INFO] [stderr]    Compiling passerine v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "c735debb37ca6b96c733496043cfa52b8df52c3859e290eb99d903c190e57a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c735debb37ca6b96c733496043cfa52b8df52c3859e290eb99d903c190e57a90", kill_on_drop: false }`
[INFO] [stdout] c735debb37ca6b96c733496043cfa52b8df52c3859e290eb99d903c190e57a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56e6c541cd0eeff09db3b1bf92a3a837ff631fe4598b4d64216fd2a662dd6a2c
[INFO] running `Command { std: "docker" "start" "-a" "56e6c541cd0eeff09db3b1bf92a3a837ff631fe4598b4d64216fd2a662dd6a2c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/passerine-d8ea83085d84c2e4)
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test common::number::test::encode_decode ... ok
[INFO] [stdout] test common::number::test::extra_bytes ... ok
[INFO] [stdout] test common::closure::tests::unique ... ok
[INFO] [stdout] test common::span::test::combination ... ok
[INFO] [stdout] test common::span::test::span_and_contents ... ok
[INFO] [stdout] test common::number::test::zero ... ok
[INFO] [stdout] test common::number::test::rollover ... ok
[INFO] [stdout] test common::span::test::display ... ok
[INFO] [stdout] test compiler::lex::test::assign ... ok
[INFO] [stdout] test compiler::lex::test::assignment ... ok
[INFO] [stdout] test compiler::lex::test::block ... ok
[INFO] [stdout] test compiler::lex::test::comma ... ok
[INFO] [stdout] test compiler::gen::test::constants ... ok
[INFO] [stdout] test compiler::lex::test::boolean ... ok
[INFO] [stdout] test compiler::gen::test::bytecode ... ok
[INFO] [stdout] test compiler::lex::test::function ... ok
[INFO] [stdout] test compiler::lex::test::empty ... ok
[INFO] [stdout] test compiler::lex::test::real ... ok
[INFO] [stdout] test compiler::lex::test::sep ... ok
[INFO] [stdout] test compiler::lex::test::string ... ok
[INFO] [stdout] test compiler::lex::test::symbol ... ok
[INFO] [stdout] test compiler::parse::test::empty ... ok
[INFO] [stdout] test compiler::lex::test::whitespace ... ok
[INFO] [stdout] test compiler::parse::test::lambda ... ok
[INFO] [stdout] test compiler::parse::test::literal ... ok
[INFO] [stdout] test vm::tag::test::bool_and_back ... ok
[INFO] [stdout] test compiler::syntax::test::error ... ok
[INFO] [stdout] test vm::tag::test::no_leak_round ... ok
[INFO] [stdout] test vm::tag::test::no_leak_tagged ... ok
[INFO] [stdout] test vm::tag::test::other_tests_eq ... ok
[INFO] [stdout] test vm::tag::test::reals_eq ... ok
[INFO] [stdout] test vm::tag::test::size ... ok
[INFO] [stdout] test vm::tag::test::string_pointer ... ok
[INFO] [stdout] test vm::tag::test::unit ... ok
[INFO] [stdout] test vm::trace::test::traceback ... ok
[INFO] [stdout] test vm::vm::test::init_run ... ok
[INFO] [stdout] test vm::vm::test::mutate_capture ... ok
[INFO] [stdout] test vm::vm::test::fun_scope ... ok
[INFO] [stdout] test vm::vm::test::functions ... ok
[INFO] [stdout] test vm::vm::test::hoist_later ... ok
[INFO] [stdout] test vm::vm::test::block_expression ... ok
[INFO] [stdout] test vm::vm::test::mutate_capture_fn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fledgling.rs (/opt/rustwide/target/debug/deps/fledgling-902a900f842a0a46)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_snippets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests passerine
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/compiler/parse.rs - compiler::parse::Parser::magic (line 394) ... ignored
[INFO] [stdout] test src/lib.rs - (line 32) ... ignored
[INFO] [stdout] test src/common/span.rs - common::span::Spanned (line 235) ... ok
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 13.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56e6c541cd0eeff09db3b1bf92a3a837ff631fe4598b4d64216fd2a662dd6a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e6c541cd0eeff09db3b1bf92a3a837ff631fe4598b4d64216fd2a662dd6a2c", kill_on_drop: false }`
[INFO] [stdout] 56e6c541cd0eeff09db3b1bf92a3a837ff631fe4598b4d64216fd2a662dd6a2c