[INFO] cloning repository https://github.com/arzg/fjord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arzg/fjord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Ffjord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Ffjord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81d03868b9fbb1830b16757ff282e940e4d1ba75
[INFO] testing arzg/fjord against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Ffjord" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arzg/fjord 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 git repo https://github.com/arzg/fjord
[INFO] finished tweaking git repo https://github.com/arzg/fjord
[INFO] tweaked toml for git repo https://github.com/arzg/fjord written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7db7e87480c3a14fdc817156c9f48c3846bbe75a9da51024642b06b035dc3ce8
[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" "7db7e87480c3a14fdc817156c9f48c3846bbe75a9da51024642b06b035dc3ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db7e87480c3a14fdc817156c9f48c3846bbe75a9da51024642b06b035dc3ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db7e87480c3a14fdc817156c9f48c3846bbe75a9da51024642b06b035dc3ce8", kill_on_drop: false }`
[INFO] [stdout] 7db7e87480c3a14fdc817156c9f48c3846bbe75a9da51024642b06b035dc3ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 5089490b0adf12d05b92b82b57a2b9d9f908b7025b8b264fbd01eb04a5534789
[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" "5089490b0adf12d05b92b82b57a2b9d9f908b7025b8b264fbd01eb04a5534789", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling text-size v1.0.0
[INFO] [stderr]    Compiling thin-dst v1.1.0
[INFO] [stderr]    Compiling smol_str v0.1.17
[INFO] [stderr]    Compiling is_executable v0.1.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling rowan v0.10.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling fjord v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.84s
[INFO] running `Command { std: "docker" "inspect" "5089490b0adf12d05b92b82b57a2b9d9f908b7025b8b264fbd01eb04a5534789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5089490b0adf12d05b92b82b57a2b9d9f908b7025b8b264fbd01eb04a5534789", kill_on_drop: false }`
[INFO] [stdout] 5089490b0adf12d05b92b82b57a2b9d9f908b7025b8b264fbd01eb04a5534789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 65dfafcc5121b3794545637370a6171a890b825c707a1dd7b93b95cf733dee67
[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" "65dfafcc5121b3794545637370a6171a890b825c707a1dd7b93b95cf733dee67", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling expect-test v1.1.0
[INFO] [stderr]    Compiling fjord v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "65dfafcc5121b3794545637370a6171a890b825c707a1dd7b93b95cf733dee67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65dfafcc5121b3794545637370a6171a890b825c707a1dd7b93b95cf733dee67", kill_on_drop: false }`
[INFO] [stdout] 65dfafcc5121b3794545637370a6171a890b825c707a1dd7b93b95cf733dee67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 68cefe27e0fdcfde1ebcf06863419ce537c9c2b75942aa3d05d5d8de756da893
[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" "68cefe27e0fdcfde1ebcf06863419ce537c9c2b75942aa3d05d5d8de756da893", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fjord-0bb295a8652a599e
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test eval::tests::call_non_lambda ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda_with_too_few_params ... ok
[INFO] [stdout] test eval::tests::evaluate_binding_def ... ok
[INFO] [stdout] test eval::tests::evaluate_non_existent_binding_usage ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda_with_too_many_params ... ok
[INFO] [stdout] test eval::tests::evaluate_root_with_multiple_expressions_returns_last ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_atom_that_contains_space_escaped_by_backslash ... ok
[INFO] [stdout] test eval::tests::evaluate_root_with_one_expr_returns_value_of_expr ... ok
[INFO] [stdout] test eval::tests::evaluate_binding_usage_that_does_exist ... ok
[INFO] [stdout] test eval::tests::evaluate_if_expr_with_non_bool_condition ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda_with_atom_param ... ok
[INFO] [stdout] test eval::tests::evaluate_if_expr_with_true_condition ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_atom ... ok
[INFO] [stdout] test eval::tests::call_non_existent_func_or_command ... ok
[INFO] [stdout] test eval::tests::evaluate_root_with_one_statement_returns_nil ... ok
[INFO] [stdout] test eval::tests::evaluate_empty_root ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda ... ok
[INFO] [stdout] test eval::tests::call_lambda_without_any_params ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_digits ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_dollar_sign ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_mixed_carriage_returns_and_line_feeds ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_nothing ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_pipe ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_equals_sign ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_false ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_if_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_else_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_spaces ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_r_paren ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_star ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_string_literal ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_true ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_then_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_l_paren ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_let_keyword ... ok
[INFO] [stdout] test parser::expr::tests::function_call_has_higher_precedence_than_bin_op ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_minus ... ok
[INFO] [stdout] test eval::tests::evaluate_if_expr_with_false_condition ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_single_expr ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_slash ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_line_feeds ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_l_brace ... ok
[INFO] [stdout] test eval::tests::call_lambda_with_several_params ... ok
[INFO] [stdout] test parser::expr::tests::parse_empty_block ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_call_with_no_params ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_application_with_boolean ... ok
[INFO] [stdout] test parser::expr::tests::parse_bin_op_containing_parens ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_application_with_parens ... ok
[INFO] [stdout] test parser::expr::tests::parse_false ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_call ... ok
[INFO] [stdout] test parser::expr::tests::parse_parenthesized_expression_with_whitespace_before_paren ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_plus ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_r_brace ... ok
[INFO] [stdout] test parser::expr::tests::parse_simple_bin_op ... ok
[INFO] [stdout] test parser::expr::tests::parse_bin_op_showing_associativity ... ok
[INFO] [stdout] test parser::expr::tests::parse_string_literal ... ok
[INFO] [stdout] test parser::expr::tests::parse_if ... ok
[INFO] [stdout] test parser::expr::tests::parse_number_literal ... ok
[INFO] [stdout] test parser::expr::tests::parse_true ... ok
[INFO] [stdout] test parser::expr::tests::parse_bin_op_showing_precedence ... ok
[INFO] [stdout] test parser::expr::tests::recover_from_junk_binding_usage ... ok
[INFO] [stdout] test parser::expr::tests::parse_lambda ... ok
[INFO] [stdout] test parser::expr::tests::unneeded_parentheses_are_flattened ... ok
[INFO] [stdout] test parser::expr::tests::stop_parsing_function_call_at_end_of_line ... ok
[INFO] [stdout] test parser::item::tests::parse_complex_binding_def ... ok
[INFO] [stdout] test parser::expr::tests::parse_binding_usage ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_items_and_exprs ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_multiple_exprs_separated_by_newlines ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_newlines_around_braces ... ok
[INFO] [stdout] test parser::item::tests::recover_from_junk_rhs_of_binding_def ... ok
[INFO] [stdout] test parser::item::tests::recover_from_junk_equals_sign_in_binding_def ... ok
[INFO] [stdout] test parser::tests::parse_nothing ... ok
[INFO] [stdout] test parser::item::tests::parse_simple_binding_def ... ok
[INFO] [stdout] test parser::item::tests::parse_expr ... ok
[INFO] [stdout] test parser::tests::parse_multiple_items ... ok
[INFO] [stdout] test parser::item::tests::recover_from_junk_binding_name_in_binding_def ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fjord
[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" "68cefe27e0fdcfde1ebcf06863419ce537c9c2b75942aa3d05d5d8de756da893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cefe27e0fdcfde1ebcf06863419ce537c9c2b75942aa3d05d5d8de756da893", kill_on_drop: false }`
[INFO] [stdout] 68cefe27e0fdcfde1ebcf06863419ce537c9c2b75942aa3d05d5d8de756da893