[INFO] fetching crate earlgrey 0.3.0...
[INFO] testing earlgrey-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate earlgrey 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate earlgrey 0.3.0 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 earlgrey 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate earlgrey 0.3.0
[INFO] tweaked toml for crates.io crate earlgrey 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate earlgrey 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] b4cc0bba05756a62fa5d635b3defcd6e341e032bae15dd9166ad161886e141a6
[INFO] running `Command { std: "docker" "start" "-a" "b4cc0bba05756a62fa5d635b3defcd6e341e032bae15dd9166ad161886e141a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4cc0bba05756a62fa5d635b3defcd6e341e032bae15dd9166ad161886e141a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cc0bba05756a62fa5d635b3defcd6e341e032bae15dd9166ad161886e141a6", kill_on_drop: false }`
[INFO] [stdout] b4cc0bba05756a62fa5d635b3defcd6e341e032bae15dd9166ad161886e141a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] c816728562f5202b91207702e722fa17c96a48cd771bfa0827ed370564984ecd
[INFO] running `Command { std: "docker" "start" "-a" "c816728562f5202b91207702e722fa17c96a48cd771bfa0827ed370564984ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling earlgrey v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "c816728562f5202b91207702e722fa17c96a48cd771bfa0827ed370564984ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c816728562f5202b91207702e722fa17c96a48cd771bfa0827ed370564984ecd", kill_on_drop: false }`
[INFO] [stdout] c816728562f5202b91207702e722fa17c96a48cd771bfa0827ed370564984ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64402625d8e16185cf8bf1c7bb81b7dfb17dfaecfc4a541bdd3f8030f4609d56
[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" "64402625d8e16185cf8bf1c7bb81b7dfb17dfaecfc4a541bdd3f8030f4609d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling lexers v0.1.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling earlgrey v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.36s
[INFO] running `Command { std: "docker" "inspect" "64402625d8e16185cf8bf1c7bb81b7dfb17dfaecfc4a541bdd3f8030f4609d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64402625d8e16185cf8bf1c7bb81b7dfb17dfaecfc4a541bdd3f8030f4609d56", kill_on_drop: false }`
[INFO] [stdout] 64402625d8e16185cf8bf1c7bb81b7dfb17dfaecfc4a541bdd3f8030f4609d56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 291ce41262feac2ad9ab6006490dff340878601357caf88585b324a07fe64c42
[INFO] running `Command { std: "docker" "start" "-a" "291ce41262feac2ad9ab6006490dff340878601357caf88585b324a07fe64c42", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/earlgrey-ccf483a9335dc504
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test grammar::tests::symbol_terminal ... ok
[INFO] [stdout] test grammar::tests::symbol_extract ... ok
[INFO] [stdout] test grammar::tests::missing_symbol ... ok
[INFO] [stdout] test parser_test::earley_recognizer::bogus_empty ... ok
[INFO] [stdout] test parser_test::earley_recognizer::epsilon_variants ... ok
[INFO] [stdout] test grammar::tests::dup_symbol ... ok
[INFO] [stdout] test items::tests::item_complete ... ok
[INFO] [stdout] test grammar::tests::build_grammar ... ok
[INFO] [stdout] test items::tests::item_basics ... ok
[INFO] [stdout] test parser_test::earley_recognizer::left_recurse ... ok
[INFO] [stdout] test items::tests::item_merge_sources ... ok
[INFO] [stdout] test items::tests::item_predict ... ok
[INFO] [stdout] test items::tests::item_scan ... ok
[INFO] [stdout] test parser_test::earley_recognizer::partial_parse ... ok
[INFO] [stdout] test grammar::tests::symbol_eq ... ok
[INFO] [stdout] test grammar::tests::dup_rule ... ok
[INFO] [stdout] test parser_test::left_recurse ... ok
[INFO] [stdout] test parser_test::small_math::build_sexpr ... ok
[INFO] [stdout] test parser_test::small_math::eval_actions ... ok
[INFO] [stdout] test parser_test::right_recurse ... ok
[INFO] [stdout] test parser_test::earley_recognizer::epsilon_balanced ... ok
[INFO] [stdout] test parser_test::earley_recognizer::natural_lang ... ok
[INFO] [stdout] test parser_test::small_math::build_ast ... ok
[INFO] [stdout] test parser_test::earley_corner_case ... ok
[INFO] [stdout] test parser_test::grammar_ambiguous ... ok
[INFO] [stdout] test parser_test::earley_recognizer::right_recurse ... ok
[INFO] [stdout] test parser_test::grammar_ambiguous_epsilon ... ok
[INFO] [stdout] test parser_test::math::math_grammar_test ... ok
[INFO] [stdout] test parser_test::math_ambiguous_catalan ... ok
[INFO] [stdout] test items::tests::item_failed_merge ... ok
[INFO] [stdout] test parser_test::earley_recognizer::grammar_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests earlgrey
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "291ce41262feac2ad9ab6006490dff340878601357caf88585b324a07fe64c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291ce41262feac2ad9ab6006490dff340878601357caf88585b324a07fe64c42", kill_on_drop: false }`
[INFO] [stdout] 291ce41262feac2ad9ab6006490dff340878601357caf88585b324a07fe64c42