[INFO] fetching crate monkey-parser 0.4.0...
[INFO] testing monkey-parser-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate monkey-parser 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate monkey-parser 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monkey-parser 0.4.0
[INFO] finished tweaking crates.io crate monkey-parser 0.4.0
[INFO] tweaked toml for crates.io crate monkey-parser 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate monkey-parser 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.14.0
[INFO] [stderr]   Downloaded insta v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722dae603735ec5941d04a820f7934187139254aac75ea4ff57b806f05018f4c
[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" "722dae603735ec5941d04a820f7934187139254aac75ea4ff57b806f05018f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722dae603735ec5941d04a820f7934187139254aac75ea4ff57b806f05018f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722dae603735ec5941d04a820f7934187139254aac75ea4ff57b806f05018f4c", kill_on_drop: false }`
[INFO] [stdout] 722dae603735ec5941d04a820f7934187139254aac75ea4ff57b806f05018f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 312b6d5c6ce51323368847b21200521f0d10f4e4240d40bf50cac16ac66c4ab9
[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" "312b6d5c6ce51323368847b21200521f0d10f4e4240d40bf50cac16ac66c4ab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling monkey-lexer v0.4.0
[INFO] [stderr]    Compiling monkey-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.88s
[INFO] running `Command { std: "docker" "inspect" "312b6d5c6ce51323368847b21200521f0d10f4e4240d40bf50cac16ac66c4ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312b6d5c6ce51323368847b21200521f0d10f4e4240d40bf50cac16ac66c4ab9", kill_on_drop: false }`
[INFO] [stdout] 312b6d5c6ce51323368847b21200521f0d10f4e4240d40bf50cac16ac66c4ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fb6be56e3c880cf951e9edf88a9cb1b7ee8e562357c5015088cc9f7bb62da57
[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" "2fb6be56e3c880cf951e9edf88a9cb1b7ee8e562357c5015088cc9f7bb62da57", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling insta v1.4.0
[INFO] [stderr]    Compiling monkey-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.93s
[INFO] running `Command { std: "docker" "inspect" "2fb6be56e3c880cf951e9edf88a9cb1b7ee8e562357c5015088cc9f7bb62da57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb6be56e3c880cf951e9edf88a9cb1b7ee8e562357c5015088cc9f7bb62da57", kill_on_drop: false }`
[INFO] [stdout] 2fb6be56e3c880cf951e9edf88a9cb1b7ee8e562357c5015088cc9f7bb62da57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "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] 9ee27db4d434b2d4da2c3d3d0345372b1481ef596c339f321ba4f65e6e78e621
[INFO] running `Command { std: "docker" "start" "-a" "9ee27db4d434b2d4da2c3d3d0345372b1481ef596c339f321ba4f65e6e78e621", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parser-3637803efc59cd86
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::parse_let_statement ... ok
[INFO] [stdout] test tests::parse_op_expression ... ok
[INFO] [stdout] test tests::parse_return_statement ... ok
[INFO] [stdout] test tests::test_array_literal_expression ... ok
[INFO] [stdout] test tests::parse_brace_expression ... ok
[INFO] [stdout] test tests::test_if_expression ... ok
[INFO] [stdout] test tests::test_fn_else_expression ... ok
[INFO] [stdout] test tests::test_index_expression ... ok
[INFO] [stdout] test tests::test_parse_prefix_expression ... ok
[INFO] [stdout] test tests::test_string_literal_expression ... ok
[INFO] [stdout] test tests::test_parse_infix_expression ... ok
[INFO] [stdout] test tests::test_fn_call_else_expression ... ok
[INFO] [stdout] test tests::test_if_else_expression ... ok
[INFO] [stdout] test tests::test_hash_literal_expression ... ok
[INFO] [stdout] test ast_tree_test::tests::test_binary ... ok
[INFO] [stdout] test ast_tree_test::tests::test_func_call ... ok
[INFO] [stdout] test ast_tree_test::tests::test_func_declaration ... ok
[INFO] [stdout] test ast_tree_test::tests::test_index ... ok
[INFO] [stdout] test ast_tree_test::tests::test_let ... ok
[INFO] [stdout] test ast_tree_test::tests::test_return ... ok
[INFO] [stdout] test ast_tree_test::tests::test_string ... ok
[INFO] [stdout] test ast_tree_test::tests::test_unary ... ok
[INFO] [stdout] test ast_tree_test::tests::test_hash ... ok
[INFO] [stdout] test ast_tree_test::tests::test_if ... ok
[INFO] [stdout] test ast_tree_test::tests::test_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey_parser-571a120cbd9bf134
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parser
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ee27db4d434b2d4da2c3d3d0345372b1481ef596c339f321ba4f65e6e78e621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee27db4d434b2d4da2c3d3d0345372b1481ef596c339f321ba4f65e6e78e621", kill_on_drop: false }`
[INFO] [stdout] 9ee27db4d434b2d4da2c3d3d0345372b1481ef596c339f321ba4f65e6e78e621