[INFO] fetching crate lamcal 0.4.0...
[INFO] testing lamcal-0.4.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate lamcal 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lamcal 0.4.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lamcal 0.4.0
[INFO] finished tweaking crates.io crate lamcal 0.4.0
[INFO] tweaked toml for crates.io crate lamcal 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded version-sync v0.5.0
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49af426466741fed572880e37fb067cb04e954b7c60f8300338523bc61f2c61a
[INFO] running `Command { std: "docker" "start" "-a" "49af426466741fed572880e37fb067cb04e954b7c60f8300338523bc61f2c61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49af426466741fed572880e37fb067cb04e954b7c60f8300338523bc61f2c61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49af426466741fed572880e37fb067cb04e954b7c60f8300338523bc61f2c61a", kill_on_drop: false }`
[INFO] [stdout] 49af426466741fed572880e37fb067cb04e954b7c60f8300338523bc61f2c61a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c9abfed3bc674ca2876b789df572b8ccc67a168e39f25923136ff9c6e5fd0cf
[INFO] running `Command { std: "docker" "start" "-a" "9c9abfed3bc674ca2876b789df572b8ccc67a168e39f25923136ff9c6e5fd0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling lamcal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/reduction/mod.rs:734:25
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "9c9abfed3bc674ca2876b789df572b8ccc67a168e39f25923136ff9c6e5fd0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9abfed3bc674ca2876b789df572b8ccc67a168e39f25923136ff9c6e5fd0cf", kill_on_drop: false }`
[INFO] [stdout] 9c9abfed3bc674ca2876b789df572b8ccc67a168e39f25923136ff9c6e5fd0cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ea411117451807a1e141f7e109261d817caed12e674f512190438f8a535e41
[INFO] running `Command { std: "docker" "start" "-a" "e9ea411117451807a1e141f7e109261d817caed12e674f512190438f8a535e41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/reduction/mod.rs:734:25
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling lamcal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/reduction/mod.rs:734:25
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e9ea411117451807a1e141f7e109261d817caed12e674f512190438f8a535e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ea411117451807a1e141f7e109261d817caed12e674f512190438f8a535e41", kill_on_drop: false }`
[INFO] [stdout] e9ea411117451807a1e141f7e109261d817caed12e674f512190438f8a535e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c62183c6621336190e3128c9d12d1b539206d962cdc10a7a23064fe2a2b558b2
[INFO] running `Command { std: "docker" "start" "-a" "c62183c6621336190e3128c9d12d1b539206d962cdc10a7a23064fe2a2b558b2", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/reduction/mod.rs:734:25
[INFO] [stderr]     |
[INFO] [stderr] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stderr]     |                         ----^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lamcal` (lib) generated 1 warning (run `cargo fix --lib -p lamcal` to apply 1 suggestion)
[INFO] [stderr] warning: `lamcal` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lamcal-7a3eb49f3257f57e)
[INFO] [stdout] 
[INFO] [stdout] running 169 tests
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_one ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_three ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_zero ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u128_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u16_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u32_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u64_two ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::no_and_no_returns_no ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u8_two ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::no_and_yes_returns_no ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::yes_and_no_returns_no ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::yes_and_yes_returns_yes ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::no_and_no_returns_no ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::no_and_yes_returns_yes ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::yes_and_no_returns_yes ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::yes_and_yes_returns_yes ... ok
[INFO] [stdout] test inspect::tests::trace::reduction_of_expression_1 ... ok
[INFO] [stdout] test parser::tests::parse::parse_complex_example1 ... ok
[INFO] [stdout] test parser::tests::parse::parse_identity_combinator ... ok
[INFO] [stdout] test parser::tests::parse::parse_abstraction_of_abstraction_with_application_in_body ... ok
[INFO] [stdout] test parser::tests::parse::parse_variable ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_lambda_and_bound_variable ... ok
[INFO] [stdout] test parser::tests::parse_tokens::parse_empty_token_list ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_body_separator_token ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_lambda_token ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_left_paren_token ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_right_paren_token ... ok
[INFO] [stdout] test parser::tests::parse::parse_application_ignoring_leading_whitespace ... ok
[INFO] [stdout] test parser::tests::parse::parse_application_ignoring_trailing_whitespace ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_bound_variable_and_dot ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_dot_and_abstraction_body ... ok
[INFO] [stdout] test parser::tests::parse::parse_sequence_of_two_variables ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_expression_and_closing_paren ... ok
[INFO] [stdout] test parser::tests::token::display_format_an_identifier_token ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_closing_paren_and_expr2 ... ok
[INFO] [stdout] test parser::tests::tokenize::empty_string ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_opening_paren_and_expression ... ok
[INFO] [stdout] test parser::tests::parse::parse_variable_surrounded_by_whitespace ... ok
[INFO] [stdout] test parser::tests::parse::parse_sequence_of_three_variables ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier ... ok
[INFO] [stdout] test parser::tests::tokenize::a_sequence_of_two_identifiers ... ok
[INFO] [stdout] test reduction::tests::alpha::does_not_rename_free_x_in_all_bodies ... ok
[INFO] [stdout] test reduction::tests::alpha::does_not_rename_free_x_in_body ... ok
[INFO] [stdout] test reduction::tests::alpha::renames_bound_x_in_second_level_lambda_abstraction ... ok
[INFO] [stdout] test reduction::tests::alpha::renames_bound_x_to_x2_when_x1_is_free_variable_in_body ... ok
[INFO] [stdout] test reduction::tests::alpha::renames_outer_bound_x_and_shadowing_inner_bound_x ... ok
[INFO] [stdout] test parser::tests::tokenize::an_identifier_before_left_paren_no_whitespace ... ok
[INFO] [stdout] test parser::tests::tokenize::a_sequence_of_two_identifiers_with_parens ... ok
[INFO] [stdout] test parser::tests::tokenize::lambda_with_bound_identifier ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier_surrounded_by_whitespace ... ok
[INFO] [stdout] test reduction::tests::apply::applying_abstraction_of_abstraction ... ok
[INFO] [stdout] test reduction::tests::apply::applying_abstraction_of_abstraction_with_same_bound_var ... ok
[INFO] [stdout] test reduction::tests::apply::applying_constant_returns_constant ... ok
[INFO] [stdout] test parser::tests::tokenize::an_identifier_bound_to_an_abstraction ... ok
[INFO] [stdout] test reduction::tests::apply::applying_identity_returns_rhs ... ok
[INFO] [stdout] test reduction::tests::apply::applying_replication_returns_application_of_rhs ... ok
[INFO] [stdout] test reduction::tests::apply::applying_simple_abstraction ... ok
[INFO] [stdout] test parser::tests::tokenize::a_sequence_of_three_identifiers ... ok
[INFO] [stdout] test reduction::tests::apply::applying_variable_returns_the_variable ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr4 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_enumerate::increases_number_by_1_if_name_ends_with_number ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_enumerate::appends_digit_1_if_name_does_not_end_with_digit ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr4 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr5 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_prime::appends_another_tick_symbol_if_name_ends_with_tick ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr1 ... ok
[INFO] [stdout] test parser::tests::tokenize::an_identifier_before_lambda_no_whitespace ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr1 ... ok
[INFO] [stdout] test parser::tests::tokenize::an_abstraction_with_a_sequence_of_identifiers_in_the_body ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_prime::appends_tick_symbol ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr4 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr2 ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier_starting_with_an_invalid_character ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr5 ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_in_abstraction_body ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_with_redex_on_left_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_with_redex_on_right_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_identity_application ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_redex_in_abstraction_body ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_variable ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_abstraction ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_abstraction ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_with_redex_on_left_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_with_redex_on_right_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_in_abstraction_body ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_identity_application ... ok
[INFO] [stdout] test term::tests::app_macro::app_with_2_terms ... ok
[INFO] [stdout] test term::tests::app_macro::app_with_3_terms ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_variable ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_redex_in_abstraction_body ... ok
[INFO] [stdout] test term::tests::term::display_string_of_a_variable ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_abstraction_with_variable_in_body ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application_of_an_application_must_not_omit_parens ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_contains_one_from_lhs ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_contains_one_from_rhs ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_lambda_and_var_contains_two ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application_omitting_outermost_parens ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_two_closed_lambdas_contains_none ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_two_lambdas_contains_three ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_none ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_one ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_two ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_on_third_level_contains_one ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_within_lambda_abstraction_contains_one ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_vars_contains_two ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application_omitting_parens_in_abtraction_body ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_variable ... ok
[INFO] [stdout] test term::tests::var_name::display_string_is_the_variable_name ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end ... ok
[INFO] [stdout] test parser::tests::parse::result_of_any_term_to_string_is_parsable_as_term ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test inspect::tests::collect::calling_inspect_with_any_term_always_returns_dont_stop ... ok
[INFO] [stdout] test inspect::tests::limit::calling_inspect_any_times_below_the_limit_returns_dont_stop ... ok
[INFO] [stdout] test inspect::tests::limit::calling_inspect_when_the_limit_is_reached_it_returns_stop ... ok
[INFO] [stdout] test inspect::tests::trace::calling_inspect_with_any_term_always_returns_dont_stop ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 169 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.97s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/optional_failure_support.rs (/opt/rustwide/target/debug/deps/optional_failure_support-eb48b33baff76744)
[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]      Running tests/version_numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-ec8b14d3eeb8dda2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lamcal
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/church_encoded/boolean.rs - church_encoded::boolean::Term::from (line 63) ... ok
[INFO] [stdout] test src/environment.rs - environment::bind (line 200) ... ok
[INFO] [stdout] test src/environment.rs - environment::binds (line 243) ... ok
[INFO] [stdout] test src/environment.rs - environment::bind (line 184) ... ok
[INFO] [stdout] test src/inspect/mod.rs - inspect::Limit (line 254) ... ok
[INFO] [stdout] test src/church_encoded/boolean.rs - church_encoded::boolean::and (line 115) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::Term::apply (line 107) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::Term::evaluate (line 321) ... ok
[INFO] [stdout] test src/church_encoded/boolean.rs - church_encoded::boolean::xor (line 185) ... ok
[INFO] [stdout] test src/church_encoded/boolean.rs - church_encoded::boolean::or (line 150) ... ok
[INFO] [stdout] test src/church_encoded/boolean.rs - church_encoded::boolean::not (line 92) ... ok
[INFO] [stdout] test src/inspect/mod.rs - inspect::or (line 150) ... ok
[INFO] [stdout] test src/church_encoded/boolean.rs - church_encoded::boolean::if_else (line 261) ... ok
[INFO] [stdout] test src/inspect/mod.rs - inspect::Trace (line 313) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::Term::evaluate_inspected (line 363) ... ok
[INFO] [stdout] test src/church_encoded/boolean.rs - church_encoded::boolean::beq (line 223) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::Term::is_beta_redex (line 31) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::Term::expand (line 195) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::Term::expand_inspected (line 245) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::expand (line 630) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::expand (line 599) ... ok
[INFO] [stdout] test src/term/mod.rs - term::app (line 365) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::apply (line 950) ... ok
[INFO] [stdout] test src/term/mod.rs - term::app (line 84) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::apply (line 964) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::Term::reduce (line 136) ... ok
[INFO] [stdout] test src/term/mod.rs - term::var (line 28) ... ok
[INFO] [stdout] test src/term/mod.rs - term::lam (line 53) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::evaluate_inspected (line 508) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::evaluate (line 464) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::expand_inspected (line 667) ... ok
[INFO] [stdout] test src/reduction/mod.rs - reduction::reduce (line 1016) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c62183c6621336190e3128c9d12d1b539206d962cdc10a7a23064fe2a2b558b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62183c6621336190e3128c9d12d1b539206d962cdc10a7a23064fe2a2b558b2", kill_on_drop: false }`
[INFO] [stdout] c62183c6621336190e3128c9d12d1b539206d962cdc10a7a23064fe2a2b558b2
[INFO] testing lamcal-0.4.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate lamcal 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lamcal 0.4.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lamcal 0.4.0
[INFO] finished tweaking crates.io crate lamcal 0.4.0
[INFO] tweaked toml for crates.io crate lamcal 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2f9dfd56d608dbc23cb9f1677b7ac92cd43ca252f50244a1b02bbd643c2cad
[INFO] running `Command { std: "docker" "start" "-a" "ac2f9dfd56d608dbc23cb9f1677b7ac92cd43ca252f50244a1b02bbd643c2cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2f9dfd56d608dbc23cb9f1677b7ac92cd43ca252f50244a1b02bbd643c2cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2f9dfd56d608dbc23cb9f1677b7ac92cd43ca252f50244a1b02bbd643c2cad", kill_on_drop: false }`
[INFO] [stdout] ac2f9dfd56d608dbc23cb9f1677b7ac92cd43ca252f50244a1b02bbd643c2cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0205aae7f63513d1b40fe8e24bb83218d6739b9550fb34893c3fcd0f74acca8c
[INFO] running `Command { std: "docker" "start" "-a" "0205aae7f63513d1b40fe8e24bb83218d6739b9550fb34893c3fcd0f74acca8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lamcal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/reduction/mod.rs:734:25
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "0205aae7f63513d1b40fe8e24bb83218d6739b9550fb34893c3fcd0f74acca8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0205aae7f63513d1b40fe8e24bb83218d6739b9550fb34893c3fcd0f74acca8c", kill_on_drop: false }`
[INFO] [stdout] 0205aae7f63513d1b40fe8e24bb83218d6739b9550fb34893c3fcd0f74acca8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c49e05a7cd8dea8c381e6f8efeeeb8c07d52989f58871e158bb368c1abedd4b
[INFO] running `Command { std: "docker" "start" "-a" "3c49e05a7cd8dea8c381e6f8efeeeb8c07d52989f58871e158bb368c1abedd4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/reduction/mod.rs:734:25
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling lamcal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/reduction/mod.rs:734:25
[INFO] [stdout]     |
[INFO] [stdout] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stdout]     |                         ----^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3c49e05a7cd8dea8c381e6f8efeeeb8c07d52989f58871e158bb368c1abedd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c49e05a7cd8dea8c381e6f8efeeeb8c07d52989f58871e158bb368c1abedd4b", kill_on_drop: false }`
[INFO] [stdout] 3c49e05a7cd8dea8c381e6f8efeeeb8c07d52989f58871e158bb368c1abedd4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4345bff29b5971a6b8ceef9c0a8067bf986f57bbae5e5bc4e2a18d0f17abd4a1
[INFO] running `Command { std: "docker" "start" "-a" "4345bff29b5971a6b8ceef9c0a8067bf986f57bbae5e5bc4e2a18d0f17abd4a1", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/reduction/mod.rs:734:25
[INFO] [stderr]     |
[INFO] [stderr] 734 |             if let Some(mut expand_with) = maybe_expand_with {
[INFO] [stderr]     |                         ----^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lamcal` (lib) generated 1 warning (run `cargo fix --lib -p lamcal` to apply 1 suggestion)
[INFO] [stderr] warning: `lamcal` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lamcal-2d7136b4ba97849d)
[INFO] [stdout] 
[INFO] [stdout] running 169 tests
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_one ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_three ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::into_zero ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u128_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u32_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u16_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u64_two ... ok
[INFO] [stdout] test church_encoded::numeral::tests::from_unsigned_integer::u8_two ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::no_and_no_returns_no ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::no_and_yes_returns_no ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::yes_and_no_returns_no ... ok
[INFO] [stdout] test inspect::tests::bitand_stop::yes_and_yes_returns_yes ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::no_and_no_returns_no ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::no_and_yes_returns_yes ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::yes_and_no_returns_yes ... ok
[INFO] [stdout] test inspect::tests::bitor_stop::yes_and_yes_returns_yes ... ok
[INFO] [stdout] test parser::tests::parse::parse_complex_example1 ... ok
[INFO] [stdout] test inspect::tests::trace::reduction_of_expression_1 ... ok
[INFO] [stdout] test parser::tests::parse::parse_identity_combinator ... ok
[INFO] [stdout] test parser::tests::parse::parse_abstraction_of_abstraction_with_application_in_body ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_bound_variable_and_dot ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_lambda_and_bound_variable ... ok
[INFO] [stdout] test parser::tests::parse::parse_sequence_of_two_variables ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_body_separator_token ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_lambda_token ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_dot_and_abstraction_body ... ok
[INFO] [stdout] test parser::tests::parse::parse_application_ignoring_trailing_whitespace ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_left_paren_token ... ok
[INFO] [stdout] test parser::tests::token::display_format_a_right_paren_token ... ok
[INFO] [stdout] test parser::tests::parse::parse_variable ... ok
[INFO] [stdout] test parser::tests::parse::parse_application_ignoring_leading_whitespace ... ok
[INFO] [stdout] test parser::tests::parse_tokens::parse_empty_token_list ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_closing_paren_and_expr2 ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_opening_paren_and_expression ... ok
[INFO] [stdout] test parser::tests::parse::ignores_whitespace_between_expression_and_closing_paren ... ok
[INFO] [stdout] test parser::tests::tokenize::empty_string ... ok
[INFO] [stdout] test parser::tests::token::display_format_an_identifier_token ... ok
[INFO] [stdout] test parser::tests::parse::parse_variable_surrounded_by_whitespace ... ok
[INFO] [stdout] test parser::tests::parse::parse_sequence_of_three_variables ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier ... ok
[INFO] [stdout] test parser::tests::tokenize::a_sequence_of_two_identifiers_with_parens ... ok
[INFO] [stdout] test reduction::tests::alpha::does_not_rename_free_x_in_all_bodies ... ok
[INFO] [stdout] test reduction::tests::alpha::does_not_rename_free_x_in_body ... ok
[INFO] [stdout] test reduction::tests::alpha::renames_bound_x_in_second_level_lambda_abstraction ... ok
[INFO] [stdout] test reduction::tests::alpha::renames_bound_x_to_x2_when_x1_is_free_variable_in_body ... ok
[INFO] [stdout] test reduction::tests::alpha::renames_outer_bound_x_and_shadowing_inner_bound_x ... ok
[INFO] [stdout] test parser::tests::tokenize::a_sequence_of_two_identifiers ... ok
[INFO] [stdout] test parser::tests::tokenize::an_identifier_before_left_paren_no_whitespace ... ok
[INFO] [stdout] test parser::tests::tokenize::lambda_with_bound_identifier ... ok
[INFO] [stdout] test parser::tests::tokenize::an_identifier_before_lambda_no_whitespace ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier_surrounded_by_whitespace ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_enumerate::appends_digit_1_if_name_does_not_end_with_digit ... ok
[INFO] [stdout] test reduction::tests::apply::applying_abstraction_of_abstraction_with_same_bound_var ... ok
[INFO] [stdout] test reduction::tests::apply::applying_constant_returns_constant ... ok
[INFO] [stdout] test reduction::tests::apply::applying_identity_returns_rhs ... ok
[INFO] [stdout] test reduction::tests::apply::applying_replication_returns_application_of_rhs ... ok
[INFO] [stdout] test reduction::tests::apply::applying_simple_abstraction ... ok
[INFO] [stdout] test reduction::tests::apply::applying_variable_returns_the_variable ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::complex_expr4 ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::identity_x ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_prime::appends_another_tick_symbol_if_name_ends_with_tick ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::apply::applying_abstraction_of_abstraction ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr4 ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_enumerate::increases_number_by_1_if_name_ends_with_number ... ok
[INFO] [stdout] test parser::tests::tokenize::an_identifier_bound_to_an_abstraction ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::complex_expr5 ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_head_spine_order::identity_x ... ok
[INFO] [stdout] test parser::tests::tokenize::a_sequence_of_three_identifiers ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::application_of_free_variable ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier_starting_with_an_invalid_character ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr2 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr4 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::alpha_rename_prime::appends_tick_symbol ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::complex_expr5 ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::application_of_free_variables_2 ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr1 ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr2 ... ok
[INFO] [stdout] test parser::tests::tokenize::an_abstraction_with_a_sequence_of_identifiers_in_the_body ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::application_of_free_variable ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::complex_expr3 ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::identity_x ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_abstraction ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_in_abstraction_body ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_with_redex_on_left_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_application_with_redex_on_right_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_identity_application ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::constant_y ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_variable ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_abstraction ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_in_abstraction_body ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_normal_on_redex_in_abstraction_body ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_with_redex_on_left_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_application_with_redex_on_right_hand_side ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_redex_in_abstraction_body ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_variable ... ok
[INFO] [stdout] test term::tests::app_macro::app_with_2_terms ... ok
[INFO] [stdout] test term::tests::app_macro::app_with_3_terms ... ok
[INFO] [stdout] test reduction::tests::beta_reduction_properties::test_for_beta_redex_on_identity_application ... ok
[INFO] [stdout] test term::tests::term::display_string_of_a_variable ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_abstraction_with_variable_in_body ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application_omitting_outermost_parens ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_contains_one_from_lhs ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application_of_an_application_must_not_omit_parens ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_lambda_and_var_contains_two ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_two_closed_lambdas_contains_none ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_contains_one_from_rhs ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_vars_contains_two ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_function_application_of_two_lambdas_contains_three ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_none ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_one ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_contains_two ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_on_third_level_contains_one ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_lambda_abstraction_within_lambda_abstraction_contains_one ... ok
[INFO] [stdout] test term::tests::term::free_vars_in_variable ... ok
[INFO] [stdout] test term::tests::term::display_string_of_an_application_omitting_parens_in_abtraction_body ... ok
[INFO] [stdout] test term::tests::var_name::display_string_is_the_variable_name ... ok
[INFO] [stdout] test parser::tests::tokenize::identifier_with_an_invalid_character_in_the_middle_or_end ... ok
[INFO] [stdout] test inspect::tests::limit::calling_inspect_any_times_below_the_limit_returns_dont_stop ... ok
[INFO] [stdout] test parser::tests::parse::result_of_any_term_to_string_is_parsable_as_term ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl ... FAILED
[INFO] [stdout] test reduction::tests::beta_head_spine_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_normal_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test inspect::tests::limit::calling_inspect_when_the_limit_is_reached_it_returns_stop ... ok
[INFO] [stdout] test inspect::tests::trace::calling_inspect_with_any_term_always_returns_dont_stop ... ok
[INFO] [stdout] test inspect::tests::collect::calling_inspect_with_any_term_always_returns_dont_stop ... ok
[INFO] [stdout] test reduction::tests::beta_hybrid_normal_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_name::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_call_by_value::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] test reduction::tests::beta_applicative_order::reduce_any_expr_compared_to_recursive_impl ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl stdout ----
[INFO] [stdout] proptest: failed to append to /opt/rustwide/workdir/proptest-regressions/reduction/tests.txt: Read-only file system (os error 30)
[INFO] [stdout] thread 'reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl' panicked at src/reduction/tests.rs:767:5:
[INFO] [stdout] Test failed: assertion failed: `(left == right)` (left: `App(App(Var(VarName("A")), Lam(VarName("A"), App(Lam(VarName("a"), Var(VarName("0"))), Var(VarName("a"))))), Var(VarName("0")))`, right: `App(App(Var(VarName("A")), Lam(VarName("A"), Var(VarName("0")))), Var(VarName("0")))`) at src/reduction/tests.rs:777; minimal failing input: expr = App(App(Var(VarName("A")), Lam(VarName("A"), App(Lam(VarName("a"), Var(VarName("0"))), Var(VarName("a"))))), Var(VarName("0")))
[INFO] [stdout] 	successes: 170
[INFO] [stdout] 	local rejects: 0
[INFO] [stdout] 	global rejects: 0
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a5e370dde6 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55a5e370dde6 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55a5e370dde6 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55a5e370dde6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55a5e3737840 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55a5e3737840 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55a5e370b18f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55a5e370dbc4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55a5e370dbc4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55a5e370f937 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55a5e370f61d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55a5e36015c7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55a5e36015c7 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55a5e370ff56 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55a5e370ff56 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55a5e370fca2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55a5e370e2e6 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55a5e370fa00 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55a5e337ff05 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55a5e359a74d - lamcal::reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl::h532cec1d5310eb96
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proptest-0.8.7/src/sugar.rs:165:17
[INFO] [stdout]   20:     0x55a5e359a2b7 - lamcal::reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl::{{closure}}::h2d8e8275d5ee7887
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proptest-0.8.7/src/sugar.rs:161:28
[INFO] [stdout]   21:     0x55a5e3535e66 - core::ops::function::FnOnce::call_once::h8b62dfe17062ea04
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x55a5e3606e9f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55a5e3606e9f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   24:     0x55a5e3605c21 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   25:     0x55a5e3605c21 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x55a5e3605c21 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x55a5e3605c21 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x55a5e3605c21 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x55a5e3605c21 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   30:     0x55a5e3605c21 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   31:     0x55a5e35ccf56 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   32:     0x55a5e35ccf56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   33:     0x55a5e35d1fb7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x55a5e35d1fb7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x55a5e35d1fb7 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   36:     0x55a5e35d1fb7 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   37:     0x55a5e35d1fb7 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x55a5e35d1fb7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x55a5e35d1fb7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55a5e3714d85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   41:     0x55a5e3714d85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55a5e3714d85 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7f2463b7fac3 - <unknown>
[INFO] [stdout]   44:     0x7f2463c10bf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     reduction::tests::beta_hybrid_applicative_order::reduce_any_expr_compared_to_recursive_impl
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 168 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "4345bff29b5971a6b8ceef9c0a8067bf986f57bbae5e5bc4e2a18d0f17abd4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4345bff29b5971a6b8ceef9c0a8067bf986f57bbae5e5bc4e2a18d0f17abd4a1", kill_on_drop: false }`
[INFO] [stdout] 4345bff29b5971a6b8ceef9c0a8067bf986f57bbae5e5bc4e2a18d0f17abd4a1
