[INFO] fetching crate fjord 0.4.12...
[INFO] testing fjord-0.4.12 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate fjord 0.4.12 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fjord 0.4.12 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fjord 0.4.12
[INFO] finished tweaking crates.io crate fjord 0.4.12
[INFO] tweaked toml for crates.io crate fjord 0.4.12 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e209c4230d6892fba00c04a907e954b65e66e4bcced5b9667c1ef5a5e18fd67e
[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" "e209c4230d6892fba00c04a907e954b65e66e4bcced5b9667c1ef5a5e18fd67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e209c4230d6892fba00c04a907e954b65e66e4bcced5b9667c1ef5a5e18fd67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e209c4230d6892fba00c04a907e954b65e66e4bcced5b9667c1ef5a5e18fd67e", kill_on_drop: false }`
[INFO] [stdout] e209c4230d6892fba00c04a907e954b65e66e4bcced5b9667c1ef5a5e18fd67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba97fbd3fb09b1bd5fbe615fea0721d741e6b02dc97f1e0925bb151dab912ef
[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" "fba97fbd3fb09b1bd5fbe615fea0721d741e6b02dc97f1e0925bb151dab912ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling smol_str v0.1.17
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling is_executable v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling triomphe v0.1.2
[INFO] [stderr]    Compiling rowan v0.10.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling logos-derive v0.11.5
[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 59.66s
[INFO] running `Command { std: "docker" "inspect" "fba97fbd3fb09b1bd5fbe615fea0721d741e6b02dc97f1e0925bb151dab912ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba97fbd3fb09b1bd5fbe615fea0721d741e6b02dc97f1e0925bb151dab912ef", kill_on_drop: false }`
[INFO] [stdout] fba97fbd3fb09b1bd5fbe615fea0721d741e6b02dc97f1e0925bb151dab912ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--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] e20796773dba2476ea459004dd253c21b1fd2f04abbc4de7734c36e65984d8a8
[INFO] running `Command { std: "docker" "start" "-a" "e20796773dba2476ea459004dd253c21b1fd2f04abbc4de7734c36e65984d8a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.7.2
[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 6.30s
[INFO] running `Command { std: "docker" "inspect" "e20796773dba2476ea459004dd253c21b1fd2f04abbc4de7734c36e65984d8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20796773dba2476ea459004dd253c21b1fd2f04abbc4de7734c36e65984d8a8", kill_on_drop: false }`
[INFO] [stdout] e20796773dba2476ea459004dd253c21b1fd2f04abbc4de7734c36e65984d8a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f5a76342234448302fd6d276cc2015d3520fa062425a25bc76a047ff325f741
[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" "6f5a76342234448302fd6d276cc2015d3520fa062425a25bc76a047ff325f741", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 76 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fjord-dbb338da74a28f50)
[INFO] [stdout] test eval::tests::call_non_existent_func_or_command ... ok
[INFO] [stdout] test eval::tests::call_lambda_without_any_params ... ok
[INFO] [stdout] test eval::tests::call_lambda_with_several_params ... ok
[INFO] [stdout] test eval::tests::evaluate_binding_def ... ok
[INFO] [stdout] test eval::tests::call_non_lambda ... ok
[INFO] [stdout] test eval::tests::evaluate_binding_usage_that_does_exist ... ok
[INFO] [stdout] test eval::tests::evaluate_if_expr_with_false_condition ... ok
[INFO] [stdout] test eval::tests::evaluate_if_expr_with_non_bool_condition ... ok
[INFO] [stdout] test eval::tests::evaluate_empty_root ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda ... ok
[INFO] [stdout] test eval::tests::evaluate_if_expr_with_true_condition ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda_with_atom_param ... ok
[INFO] [stdout] test eval::tests::evaluate_root_with_one_expr_returns_value_of_expr ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_atom_that_contains_space_escaped_by_backslash ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_digits ... ok
[INFO] [stdout] test eval::tests::evaluate_root_with_multiple_expressions_returns_last ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda_with_too_many_params ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_false ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_equals_sign ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_else_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_l_brace ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_if_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_l_paren ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_line_feeds ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_pipe ... 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 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_slash ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_dollar_sign ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_string_literal ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_then_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_true ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_atom ... ok
[INFO] [stdout] test eval::tests::evaluate_root_with_one_statement_returns_nil ... ok
[INFO] [stdout] test parser::expr::tests::function_call_has_higher_precedence_than_bin_op ... ok
[INFO] [stdout] test eval::tests::evaluate_non_existent_binding_usage ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_spaces ... ok
[INFO] [stdout] test parser::expr::tests::parse_bin_op_containing_parens ... ok
[INFO] [stdout] test eval::tests::evaluate_lambda_with_too_few_params ... ok
[INFO] [stdout] test parser::expr::tests::parse_bin_op_showing_associativity ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_single_expr ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_multiple_exprs_separated_by_newlines ... ok
[INFO] [stdout] test parser::expr::tests::parse_bin_op_showing_precedence ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_newlines_around_braces ... ok
[INFO] [stdout] test parser::expr::tests::parse_binding_usage ... ok
[INFO] [stdout] test parser::expr::tests::parse_empty_block ... ok
[INFO] [stdout] test parser::expr::tests::parse_false ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_application_with_boolean ... ok
[INFO] [stdout] test parser::expr::tests::parse_block_with_items_and_exprs ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_application_with_parens ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_call_with_no_params ... ok
[INFO] [stdout] test parser::expr::tests::parse_function_call ... ok
[INFO] [stdout] test parser::expr::tests::parse_number_literal ... ok
[INFO] [stdout] test parser::expr::tests::parse_parenthesized_expression_with_whitespace_before_paren ... ok
[INFO] [stdout] test parser::expr::tests::parse_if ... ok
[INFO] [stdout] test parser::expr::tests::stop_parsing_function_call_at_end_of_line ... ok
[INFO] [stdout] test parser::expr::tests::parse_lambda ... ok
[INFO] [stdout] test parser::expr::tests::recover_from_junk_binding_usage ... ok
[INFO] [stdout] test parser::expr::tests::parse_string_literal ... ok
[INFO] [stdout] test parser::expr::tests::parse_simple_bin_op ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_let_keyword ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_nothing ... ok
[INFO] [stdout] test parser::item::tests::parse_complex_binding_def ... ok
[INFO] [stdout] test parser::item::tests::parse_expr ... ok
[INFO] [stdout] test parser::item::tests::parse_simple_binding_def ... ok
[INFO] [stdout] test parser::expr::tests::parse_true ... ok
[INFO] [stdout] test parser::item::tests::recover_from_junk_binding_name_in_binding_def ... ok
[INFO] [stdout] test parser::expr::tests::unneeded_parentheses_are_flattened ... ok
[INFO] [stdout] test parser::tests::parse_nothing ... ok
[INFO] [stdout] test parser::item::tests::recover_from_junk_equals_sign_in_binding_def ... ok
[INFO] [stdout] test parser::item::tests::recover_from_junk_rhs_of_binding_def ... ok
[INFO] [stdout] test parser::tests::parse_multiple_items ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_mixed_carriage_returns_and_line_feeds ... ok
[INFO] [stdout] test lexer::syntax_kind::tests::lex_minus ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f5a76342234448302fd6d276cc2015d3520fa062425a25bc76a047ff325f741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5a76342234448302fd6d276cc2015d3520fa062425a25bc76a047ff325f741", kill_on_drop: false }`
[INFO] [stdout] 6f5a76342234448302fd6d276cc2015d3520fa062425a25bc76a047ff325f741