[INFO] fetching crate piston_meta 2.0.1...
[INFO] testing piston_meta-2.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate piston_meta 2.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate piston_meta 2.0.1 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 piston_meta 2.0.1
[INFO] finished tweaking crates.io crate piston_meta 2.0.1
[INFO] tweaked toml for crates.io crate piston_meta 2.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate piston_meta 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a25c2b402835ff52829a397e7c8cd4be5162fceb4f8802c110a5e79f666c17df
[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" "a25c2b402835ff52829a397e7c8cd4be5162fceb4f8802c110a5e79f666c17df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25c2b402835ff52829a397e7c8cd4be5162fceb4f8802c110a5e79f666c17df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25c2b402835ff52829a397e7c8cd4be5162fceb4f8802c110a5e79f666c17df", kill_on_drop: false }`
[INFO] [stdout] a25c2b402835ff52829a397e7c8cd4be5162fceb4f8802c110a5e79f666c17df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d5c0d3eacfd43252829ee1310f85db8e6e5dbe2bb81b1f357cf29fe41e162fc5
[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" "d5c0d3eacfd43252829ee1310f85db8e6e5dbe2bb81b1f357cf29fe41e162fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling range v1.0.0
[INFO] [stderr]    Compiling read_token v1.0.0
[INFO] [stderr]    Compiling piston_meta v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "d5c0d3eacfd43252829ee1310f85db8e6e5dbe2bb81b1f357cf29fe41e162fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c0d3eacfd43252829ee1310f85db8e6e5dbe2bb81b1f357cf29fe41e162fc5", kill_on_drop: false }`
[INFO] [stdout] d5c0d3eacfd43252829ee1310f85db8e6e5dbe2bb81b1f357cf29fe41e162fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9a77e87d07483f04589e489d9088b341b03cc1c006d83ebc39b6f049ace438f4
[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" "9a77e87d07483f04589e489d9088b341b03cc1c006d83ebc39b6f049ace438f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston_meta v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "9a77e87d07483f04589e489d9088b341b03cc1c006d83ebc39b6f049ace438f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a77e87d07483f04589e489d9088b341b03cc1c006d83ebc39b6f049ace438f4", kill_on_drop: false }`
[INFO] [stdout] 9a77e87d07483f04589e489d9088b341b03cc1c006d83ebc39b6f049ace438f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e92051577d54b2b4db0fd81be7a810b9467bba55c65966f34911e3e2fcde677a
[INFO] running `Command { std: "docker" "start" "-a" "e92051577d54b2b4db0fd81be7a810b9467bba55c65966f34911e3e2fcde677a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/piston_meta-b6944bb4865d2091)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test json::tests::node ... ok
[INFO] [stdout] test json::tests::test_write_string ... ok
[INFO] [stdout] test meta_rules::lines::tests::indent_align_tabs ... ok
[INFO] [stdout] test meta_rules::lines::tests::indent_align_tabs2 ... ok
[INFO] [stdout] test meta_rules::lines::tests::indent_success ... ok
[INFO] [stdout] test meta_rules::lines::tests::indent_align ... ok
[INFO] [stdout] test meta_rules::lines::tests::sequence ... ok
[INFO] [stdout] test meta_rules::node::tests::node_ref ... ok
[INFO] [stdout] test meta_rules::number::tests::expected_number ... ok
[INFO] [stdout] test meta_rules::lines::tests::success ... ok
[INFO] [stdout] test meta_rules::optional::tests::fail_but_continue ... ok
[INFO] [stdout] test meta_rules::repeat::tests::fail ... ok
[INFO] [stdout] test meta_rules::repeat::tests::success ... ok
[INFO] [stdout] test meta_rules::select::tests::fail_first ... ok
[INFO] [stdout] test json::tests::numbers ... ok
[INFO] [stdout] test meta_rules::lines::tests::fails_same_line ... ok
[INFO] [stdout] test json::tests::node2 ... ok
[INFO] [stdout] test meta_rules::number::tests::successful ... ok
[INFO] [stdout] test meta_rules::lines::tests::indent_1_2 ... ok
[INFO] [stdout] test meta_rules::separate_by::tests::disallow_trail ... ok
[INFO] [stdout] test meta_rules::separate_by::tests::allow_trail ... ok
[INFO] [stdout] test meta_rules::separate_by::tests::optional ... ok
[INFO] [stdout] test meta_rules::lines::tests::fail ... ok
[INFO] [stdout] test meta_rules::select::tests::invalid_rule ... ok
[INFO] [stdout] test meta_rules::separate_by::tests::nested ... ok
[INFO] [stdout] test meta_rules::tag::tests::expected_token ... ok
[INFO] [stdout] test meta_rules::separate_by::tests::successful ... ok
[INFO] [stdout] test meta_rules::text::tests::successful ... ok
[INFO] [stdout] test meta_rules::tests::no_rules ... ok
[INFO] [stdout] test meta_rules::until_any::tests::required ... ok
[INFO] [stdout] test meta_rules::text::tests::empty_string ... ok
[INFO] [stdout] test meta_rules::text::tests::expected_text ... ok
[INFO] [stdout] test meta_rules::until_any::tests::successful ... ok
[INFO] [stdout] test meta_rules::until_any_or_whitespace::tests::required ... ok
[INFO] [stdout] test meta_rules::whitespace::tests::required ... ok
[INFO] [stdout] test optimize::tests::test_1 ... ok
[INFO] [stdout] test optimize::tests::test_2 ... ok
[INFO] [stdout] test optimize::tests::test_empty ... ok
[INFO] [stdout] test meta_rules::separate_by::tests::required ... ok
[INFO] [stdout] test optimize::tests::test_type ... ok
[INFO] [stdout] test tests::meta_data_thread_safe ... ok
[INFO] [stdout] test tests::parse_error_thread_safe ... ok
[INFO] [stdout] test tests::rule_thread_safe ... ok
[INFO] [stdout] test tests::syntax_thread_safe ... ok
[INFO] [stdout] test meta_rules::tag::tests::did_not_expect_token ... ok
[INFO] [stdout] test meta_rules::tag::tests::successful ... ok
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-c061b22bed881f8e)
[INFO] [stdout] test meta_rules::until_any_or_whitespace::tests::successful ... ok
[INFO] [stdout] test meta_rules::whitespace::tests::optional ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test nested_multiline_comments ... ok
[INFO] [stdout] test url_in_multiline_comments ... ok
[INFO] [stdout] test star_in_multiline_comments ... ok
[INFO] [stdout] test not_rule_pass ... ok
[INFO] [stdout] test not_rule_stop - should panic ... ok
[INFO] [stderr]    Doc-tests piston_meta
[INFO] [stdout] test nested_multiline_comments_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ignored
[INFO] [stdout] test src/lib.rs - (line 31) ... ignored
[INFO] [stdout] test src/lib.rs - (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e92051577d54b2b4db0fd81be7a810b9467bba55c65966f34911e3e2fcde677a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92051577d54b2b4db0fd81be7a810b9467bba55c65966f34911e3e2fcde677a", kill_on_drop: false }`
[INFO] [stdout] e92051577d54b2b4db0fd81be7a810b9467bba55c65966f34911e3e2fcde677a