[INFO] fetching crate passerine 0.8.1...
[INFO] testing passerine-0.8.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate passerine 0.8.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate passerine 0.8.1 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 crates.io crate passerine 0.8.1
[INFO] finished tweaking crates.io crate passerine 0.8.1
[INFO] tweaked toml for crates.io crate passerine 0.8.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cd8f93dec43ce29b3c4e6362085e9f164288d0c3826258f4d291939c153d5b21
[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" "cd8f93dec43ce29b3c4e6362085e9f164288d0c3826258f4d291939c153d5b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8f93dec43ce29b3c4e6362085e9f164288d0c3826258f4d291939c153d5b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8f93dec43ce29b3c4e6362085e9f164288d0c3826258f4d291939c153d5b21", kill_on_drop: false }`
[INFO] [stdout] cd8f93dec43ce29b3c4e6362085e9f164288d0c3826258f4d291939c153d5b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1f30b1f9304b37f4cb415d391251f9ad91101c0c266cce6854cb55521e294bd
[INFO] running `Command { std: "docker" "start" "-a" "a1f30b1f9304b37f4cb415d391251f9ad91101c0c266cce6854cb55521e294bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling passerine v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "a1f30b1f9304b37f4cb415d391251f9ad91101c0c266cce6854cb55521e294bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f30b1f9304b37f4cb415d391251f9ad91101c0c266cce6854cb55521e294bd", kill_on_drop: false }`
[INFO] [stdout] a1f30b1f9304b37f4cb415d391251f9ad91101c0c266cce6854cb55521e294bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b9b28c5105f8b5aad49ee829a92f69cbb0cc32890687deb550ec91d174dfc13c
[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" "b9b28c5105f8b5aad49ee829a92f69cbb0cc32890687deb550ec91d174dfc13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling passerine v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "b9b28c5105f8b5aad49ee829a92f69cbb0cc32890687deb550ec91d174dfc13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b28c5105f8b5aad49ee829a92f69cbb0cc32890687deb550ec91d174dfc13c", kill_on_drop: false }`
[INFO] [stdout] b9b28c5105f8b5aad49ee829a92f69cbb0cc32890687deb550ec91d174dfc13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0b749a37b90c461d818f57e7716248905cf18393d6058934aff16cc2527c2d5e
[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" "0b749a37b90c461d818f57e7716248905cf18393d6058934aff16cc2527c2d5e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/passerine-277d625186c1f4c8
[INFO] [stdout] running 40 tests
[INFO] [stdout] test common::number::test::zero ... ok
[INFO] [stdout] test common::number::test::encode_decode ... ok
[INFO] [stdout] test common::number::test::extra_bytes ... ok
[INFO] [stdout] test common::span::test::combination ... ok
[INFO] [stdout] test compiler::lex::test::assign ... ok
[INFO] [stdout] test compiler::gen::test::bytecode ... ok
[INFO] [stdout] test compiler::lex::test::empty ... ok
[INFO] [stdout] test common::span::test::span_and_contents ... ok
[INFO] [stdout] test common::span::test::display ... ok
[INFO] [stdout] test compiler::lex::test::assignment ... ok
[INFO] [stdout] test compiler::lex::test::block ... ok
[INFO] [stdout] test compiler::gen::test::constants ... ok
[INFO] [stdout] test compiler::lex::test::function ... ok
[INFO] [stdout] test common::number::test::rollover ... ok
[INFO] [stdout] test compiler::lex::test::boolean ... ok
[INFO] [stdout] test compiler::lex::test::comma ... ok
[INFO] [stdout] test vm::tag::test::other_tests_eq ... ok
[INFO] [stdout] test vm::tag::test::no_leak_tagged ... ok
[INFO] [stdout] test vm::tag::test::no_leak_round ... ok
[INFO] [stdout] test compiler::syntax::test::error ... ok
[INFO] [stdout] test compiler::parse::test::literal ... ok
[INFO] [stdout] test compiler::parse::test::lambda ... 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::block_expression ... ok
[INFO] [stdout] test vm::vm::test::fun_scope ... ok
[INFO] [stdout] test vm::tag::test::reals_eq ... ok
[INFO] [stdout] test vm::tag::test::size ... ok
[INFO] [stdout] test compiler::parse::test::empty ... ok
[INFO] [stdout] test compiler::lex::test::whitespace ... ok
[INFO] [stdout] test compiler::lex::test::sep ... ok
[INFO] [stdout] test compiler::lex::test::string ... ok
[INFO] [stdout] test compiler::lex::test::real ... ok
[INFO] [stdout] test compiler::lex::test::symbol ... ok
[INFO] [stdout] test vm::tag::test::bool_and_back ... ok
[INFO] [stdout] test vm::vm::test::functions ... ok
[INFO] [stdout] test vm::vm::test::init_run ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fledgling-12849cb69999beac
[INFO] [stdout] test vm::vm::test::mutate_capture ... ok
[INFO] [stdout] test vm::vm::test::mutate_capture_fn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests passerine
[INFO] [stdout] test test_snippets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 34) ... ignored
[INFO] [stdout] test src/common/span.rs - common::span::Spanned (line 232) ... ok
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b749a37b90c461d818f57e7716248905cf18393d6058934aff16cc2527c2d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b749a37b90c461d818f57e7716248905cf18393d6058934aff16cc2527c2d5e", kill_on_drop: false }`
[INFO] [stdout] 0b749a37b90c461d818f57e7716248905cf18393d6058934aff16cc2527c2d5e