[INFO] cloning repository https://github.com/yui-knk/type_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yui-knk/type_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyui-knk%2Ftype_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyui-knk%2Ftype_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed69f34ad8701719671089770ae0063e4ac1aa6a
[INFO] testing yui-knk/type_lang against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyui-knk%2Ftype_lang" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yui-knk/type_lang on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yui-knk/type_lang
[INFO] finished tweaking git repo https://github.com/yui-knk/type_lang
[INFO] tweaked toml for git repo https://github.com/yui-knk/type_lang written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yui-knk/type_lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-padding v0.1.3
[INFO] [stderr]   Downloaded block-buffer v0.7.2
[INFO] [stderr]   Downloaded serde v1.0.85
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.2
[INFO] [stderr]   Downloaded serde_derive v1.0.85
[INFO] [stderr]   Downloaded ena v0.11.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.26
[INFO] [stderr]   Downloaded lalrpop-util v0.16.3
[INFO] [stderr]   Downloaded lalrpop v0.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d97e916a46533718a459943cf3175050b93ecf3c45b9d8b73a2f15cc49db38ed
[INFO] running `Command { std: "docker" "start" "-a" "d97e916a46533718a459943cf3175050b93ecf3c45b9d8b73a2f15cc49db38ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d97e916a46533718a459943cf3175050b93ecf3c45b9d8b73a2f15cc49db38ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97e916a46533718a459943cf3175050b93ecf3c45b9d8b73a2f15cc49db38ed", kill_on_drop: false }`
[INFO] [stdout] d97e916a46533718a459943cf3175050b93ecf3c45b9d8b73a2f15cc49db38ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ae58bbf6ba2804b60c101e65b8bbbc9344a4bbe5e8b30aa5f5cd1bf3c68317c
[INFO] running `Command { std: "docker" "start" "-a" "8ae58bbf6ba2804b60c101e65b8bbbc9344a4bbe5e8b30aa5f5cd1bf3c68317c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling type_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6382:5
[INFO] [stdout]      |
[INFO] [stdout] 6382 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6382 -     (__0)
[INFO] [stdout] 6382 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6393:5
[INFO] [stdout]      |
[INFO] [stdout] 6393 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6393 -     (__0)
[INFO] [stdout] 6393 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/node.rs:242:36
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn print_with_indent(buf: &mut Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn print_with_indent(buf: &mut dyn Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:255:40
[INFO] [stdout]     |
[INFO] [stdout] 255 |         Lambda(ref var, ref node1, ref ty) => {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |         Succ(ref node1) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:284:18
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Pred(ref node1) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:288:20
[INFO] [stdout]     |
[INFO] [stdout] 288 |         Iszero(ref node1) => {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/node.rs:292:20
[INFO] [stdout]     |
[INFO] [stdout] 292 |         Record(ref f) => {
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:296:24
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Projection(ref node1, ref label) => {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/node.rs:296:35
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Projection(ref node1, ref label) => {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/node.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:311:26
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:311:37
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:315:18
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Case(ref node1, ref cases) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cases`
[INFO] [stdout]    --> src/node.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Case(ref node1, ref cases) => {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cases`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:319:16
[INFO] [stdout]     |
[INFO] [stdout] 319 |         As(ref node1, ref ty) => {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:319:27
[INFO] [stdout]     |
[INFO] [stdout] 319 |         As(ref node1, ref ty) => {
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |         Fix(ref node1) => {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/node.rs:343:17
[INFO] [stdout]     |
[INFO] [stdout] 343 |         Loc(ref l) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         print_with_indent(&mut io::stdout(), &result, 0, 2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = print_with_indent(&mut io::stdout(), &result, 0, 2);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.3
[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" "8ae58bbf6ba2804b60c101e65b8bbbc9344a4bbe5e8b30aa5f5cd1bf3c68317c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae58bbf6ba2804b60c101e65b8bbbc9344a4bbe5e8b30aa5f5cd1bf3c68317c", kill_on_drop: false }`
[INFO] [stdout] 8ae58bbf6ba2804b60c101e65b8bbbc9344a4bbe5e8b30aa5f5cd1bf3c68317c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172ca7ad9732ddf5d8cb139c234fb85fbcd9475a361ab833b360981a224a102b
[INFO] running `Command { std: "docker" "start" "-a" "172ca7ad9732ddf5d8cb139c234fb85fbcd9475a361ab833b360981a224a102b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6382:5
[INFO] [stdout]      |
[INFO] [stdout] 6382 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6382 -     (__0)
[INFO] [stdout] 6382 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6393:5
[INFO] [stdout]      |
[INFO] [stdout] 6393 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6393 -     (__0)
[INFO] [stdout] 6393 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/node.rs:242:36
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn print_with_indent(buf: &mut Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn print_with_indent(buf: &mut dyn Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:255:40
[INFO] [stdout]     |
[INFO] [stdout] 255 |         Lambda(ref var, ref node1, ref ty) => {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |         Succ(ref node1) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:284:18
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Pred(ref node1) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:288:20
[INFO] [stdout]     |
[INFO] [stdout] 288 |         Iszero(ref node1) => {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/node.rs:292:20
[INFO] [stdout]     |
[INFO] [stdout] 292 |         Record(ref f) => {
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:296:24
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Projection(ref node1, ref label) => {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/node.rs:296:35
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Projection(ref node1, ref label) => {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/node.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:311:26
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:311:37
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:315:18
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Case(ref node1, ref cases) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cases`
[INFO] [stdout]    --> src/node.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Case(ref node1, ref cases) => {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cases`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:319:16
[INFO] [stdout]     |
[INFO] [stdout] 319 |         As(ref node1, ref ty) => {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling type_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:319:27
[INFO] [stdout]     |
[INFO] [stdout] 319 |         As(ref node1, ref ty) => {
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |         Fix(ref node1) => {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/node.rs:343:17
[INFO] [stdout]     |
[INFO] [stdout] 343 |         Loc(ref l) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         print_with_indent(&mut io::stdout(), &result, 0, 2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = print_with_indent(&mut io::stdout(), &result, 0, 2);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6382:5
[INFO] [stdout]      |
[INFO] [stdout] 6382 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6382 -     (__0)
[INFO] [stdout] 6382 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6393:5
[INFO] [stdout]      |
[INFO] [stdout] 6393 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6393 -     (__0)
[INFO] [stdout] 6393 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Type::TypeParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6197:9
[INFO] [stdout]      |
[INFO] [stdout] 6197 | pub use self::__parse__Type::TypeParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/node.rs:242:36
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn print_with_indent(buf: &mut Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub fn print_with_indent(buf: &mut dyn Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:255:40
[INFO] [stdout]     |
[INFO] [stdout] 255 |         Lambda(ref var, ref node1, ref ty) => {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |         Succ(ref node1) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:284:18
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Pred(ref node1) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:288:20
[INFO] [stdout]     |
[INFO] [stdout] 288 |         Iszero(ref node1) => {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/node.rs:292:20
[INFO] [stdout]     |
[INFO] [stdout] 292 |         Record(ref f) => {
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:296:24
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Projection(ref node1, ref label) => {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/node.rs:296:35
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Projection(ref node1, ref label) => {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/node.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:311:26
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:311:37
[INFO] [stdout]     |
[INFO] [stdout] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:315:18
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Case(ref node1, ref cases) => {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cases`
[INFO] [stdout]    --> src/node.rs:315:29
[INFO] [stdout]     |
[INFO] [stdout] 315 |         Case(ref node1, ref cases) => {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cases`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:319:16
[INFO] [stdout]     |
[INFO] [stdout] 319 |         As(ref node1, ref ty) => {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/node.rs:319:27
[INFO] [stdout]     |
[INFO] [stdout] 319 |         As(ref node1, ref ty) => {
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1`
[INFO] [stdout]    --> src/node.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |         Fix(ref node1) => {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/node.rs:343:17
[INFO] [stdout]     |
[INFO] [stdout] 343 |         Loc(ref l) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_triple` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:7289:8
[INFO] [stdout]      |
[INFO] [stdout] 7288 | pub trait __ToTriple<'input, > {
[INFO] [stdout]      |           ---------- associated function in this trait
[INFO] [stdout] 7289 |     fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError<usize, Token<'input>, &'static str>>;
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:4450:16
[INFO] [stdout]      |
[INFO] [stdout] 4449 |     impl TypeParser {
[INFO] [stdout]      |     --------------- associated function in this implementation
[INFO] [stdout] 4450 |         pub fn new() -> TypeParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.3
[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" "172ca7ad9732ddf5d8cb139c234fb85fbcd9475a361ab833b360981a224a102b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172ca7ad9732ddf5d8cb139c234fb85fbcd9475a361ab833b360981a224a102b", kill_on_drop: false }`
[INFO] [stdout] 172ca7ad9732ddf5d8cb139c234fb85fbcd9475a361ab833b360981a224a102b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c58a6f724ff60ab6c1f4d1044f76108dec3810b72ef9cd15450b202b1c125264
[INFO] running `Command { std: "docker" "start" "-a" "c58a6f724ff60ab6c1f4d1044f76108dec3810b72ef9cd15450b202b1c125264", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6382:5
[INFO] [stderr]      |
[INFO] [stderr] 6382 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6382 -     (__0)
[INFO] [stderr] 6382 +     __0
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6393:5
[INFO] [stderr]      |
[INFO] [stderr] 6393 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6393 -     (__0)
[INFO] [stderr] 6393 +     __0
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node.rs:242:36
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub fn print_with_indent(buf: &mut Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub fn print_with_indent(buf: &mut dyn Write, node: &Node, level: usize, space_count: usize) -> std::io::Result<()> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/node.rs:255:40
[INFO] [stderr]     |
[INFO] [stderr] 255 |         Lambda(ref var, ref node1, ref ty) => {
[INFO] [stderr]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:280:18
[INFO] [stderr]     |
[INFO] [stderr] 280 |         Succ(ref node1) => {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:284:18
[INFO] [stderr]     |
[INFO] [stderr] 284 |         Pred(ref node1) => {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:288:20
[INFO] [stderr]     |
[INFO] [stderr] 288 |         Iszero(ref node1) => {
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/node.rs:292:20
[INFO] [stderr]     |
[INFO] [stderr] 292 |         Record(ref f) => {
[INFO] [stderr]     |                    ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:296:24
[INFO] [stderr]     |
[INFO] [stderr] 296 |         Projection(ref node1, ref label) => {
[INFO] [stderr]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `label`
[INFO] [stderr]    --> src/node.rs:296:35
[INFO] [stderr]     |
[INFO] [stderr] 296 |         Projection(ref node1, ref label) => {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]    --> src/node.rs:311:17
[INFO] [stderr]     |
[INFO] [stderr] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:311:26
[INFO] [stderr]     |
[INFO] [stderr] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/node.rs:311:37
[INFO] [stderr]     |
[INFO] [stderr] 311 |         Tag(ref tag, ref node1, ref ty) => {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:315:18
[INFO] [stderr]     |
[INFO] [stderr] 315 |         Case(ref node1, ref cases) => {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cases`
[INFO] [stderr]    --> src/node.rs:315:29
[INFO] [stderr]     |
[INFO] [stderr] 315 |         Case(ref node1, ref cases) => {
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cases`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:319:16
[INFO] [stderr]     |
[INFO] [stderr] 319 |         As(ref node1, ref ty) => {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty`
[INFO] [stderr]    --> src/node.rs:319:27
[INFO] [stderr]     |
[INFO] [stderr] 319 |         As(ref node1, ref ty) => {
[INFO] [stderr]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node1`
[INFO] [stderr]    --> src/node.rs:323:17
[INFO] [stderr]     |
[INFO] [stderr] 323 |         Fix(ref node1) => {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]    --> src/node.rs:343:17
[INFO] [stderr]     |
[INFO] [stderr] 343 |         Loc(ref l) => {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::__parse__Type::TypeParser`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6197:9
[INFO] [stderr]      |
[INFO] [stderr] 6197 | pub use self::__parse__Type::TypeParser;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `to_triple` is never used
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:7289:8
[INFO] [stderr]      |
[INFO] [stderr] 7288 | pub trait __ToTriple<'input, > {
[INFO] [stderr]      |           ---------- associated function in this trait
[INFO] [stderr] 7289 |     fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError<usize, Token<'input>, &'static str>>;
[INFO] [stderr]      |        ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:4450:16
[INFO] [stderr]      |
[INFO] [stderr] 4449 |     impl TypeParser {
[INFO] [stderr]      |     --------------- associated function in this implementation
[INFO] [stderr] 4450 |         pub fn new() -> TypeParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `type_lang` (lib) generated 19 warnings (run `cargo fix --lib -p type_lang` to apply 3 suggestions)
[INFO] [stderr] warning: `type_lang` (lib test) generated 22 warnings (19 duplicates) (run `cargo fix --lib -p type_lang --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         print_with_indent(&mut io::stdout(), &result, 0, 2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let _ = print_with_indent(&mut io::stdout(), &result, 0, 2);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `type_lang` (bin "type_lang" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [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: lalrpop v0.16.3
[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/type_lang-5ebf02e63c09a447)
[INFO] [stdout] 
[INFO] [stdout] running 109 tests
[INFO] [stdout] test eval::tests::test_eval_false ... ok
[INFO] [stdout] test eval::tests::test_eval_appy5 ... ok
[INFO] [stdout] test eval::tests::test_eval_appy3 ... ok
[INFO] [stdout] test eval::tests::test_eval_as ... ok
[INFO] [stdout] test eval::tests::test_eval_appy1 ... ok
[INFO] [stdout] test eval::tests::test_eval_assign ... ok
[INFO] [stdout] test eval::tests::test_eval_appy2 ... ok
[INFO] [stdout] test eval::tests::test_eval_appy7 ... ok
[INFO] [stdout] test eval::tests::test_eval_appy4 ... ok
[INFO] [stdout] test eval::tests::test_eval_fix1 ... ok
[INFO] [stdout] test eval::tests::test_eval_appy6 ... ok
[INFO] [stdout] test eval::tests::test_eval_fix2 ... ok
[INFO] [stdout] test eval::tests::test_eval_deref ... ok
[INFO] [stdout] test eval::tests::test_eval_lambda ... ok
[INFO] [stdout] test eval::tests::test_eval_letrec3 ... ok
[INFO] [stdout] test eval::tests::test_eval_letrec1 ... ok
[INFO] [stdout] test eval::tests::test_eval_fix3 ... ok
[INFO] [stdout] test eval::tests::test_eval_letrec2 ... ok
[INFO] [stdout] test eval::tests::test_eval_iszero ... ok
[INFO] [stdout] test eval::tests::test_eval_nat ... ok
[INFO] [stdout] test eval::tests::test_eval_projection_apply ... ok
[INFO] [stdout] test eval::tests_env::test_find_by_variable ... ok
[INFO] [stdout] test eval::tests::test_eval_if ... ok
[INFO] [stdout] test eval::tests::test_eval_record ... ok
[INFO] [stdout] test eval::tests::test_eval_unit ... ok
[INFO] [stdout] test eval::tests::test_eval_true ... ok
[INFO] [stdout] test eval::tests::test_eval_ref ... ok
[INFO] [stdout] test eval::tests::test_eval_let ... ok
[INFO] [stdout] test parser_test::tests::test_parse_apply ... ok
[INFO] [stdout] test eval::tests::test_eval_variant ... ok
[INFO] [stdout] test eval::tests::test_eval_associativity ... ok
[INFO] [stdout] test parser_test::tests::test_parse_assign ... ok
[INFO] [stdout] test eval::tests::test_eval_projection ... ok
[INFO] [stdout] test eval::tests::test_eval_unitt ... ok
[INFO] [stdout] test parser_test::tests::test_parse_apply_2 ... ok
[INFO] [stdout] test eval::tests::test_eval_pred ... ok
[INFO] [stdout] test eval::tests::test_eval_unit_derived_form ... ok
[INFO] [stdout] test parser_test::tests::test_parse_if ... ok
[INFO] [stdout] test eval::tests::test_eval_succ_pred ... ok
[INFO] [stdout] test parser_test::tests::test_parse_as ... ok
[INFO] [stdout] test eval::tests::test_eval_succ ... ok
[INFO] [stdout] test parser_test::tests::test_parse_lambda_nested_arrow_type ... ok
[INFO] [stdout] test parser_test::tests::test_parse_lambda ... ok
[INFO] [stdout] test eval::tests::test_eval_case ... ok
[INFO] [stdout] test parser_test::tests::test_parse_false ... ok
[INFO] [stdout] test parser_test::tests::test_parse_deref ... ok
[INFO] [stdout] test parser_test::tests::test_parse_iszero ... ok
[INFO] [stdout] test parser_test::tests::test_parse_lambda_not_arrow_type ... ok
[INFO] [stdout] test parser_test::tests::test_parse_let ... ok
[INFO] [stdout] test parser_test::tests::test_parse_record ... ok
[INFO] [stdout] test parser_test::tests::test_parse_projection ... ok
[INFO] [stdout] test parser_test::tests::test_parse_nat ... ok
[INFO] [stdout] test parser_test::tests::test_parse_case ... ok
[INFO] [stdout] test parser_test::tests::test_parse_projection2 ... ok
[INFO] [stdout] test parser_test::tests::test_parse_pred ... ok
[INFO] [stdout] test parser_test::tests::test_parse_record_arrow_type ... ok
[INFO] [stdout] test parser_test::tests::test_parse_ref ... ok
[INFO] [stdout] test parser_test::tests::test_parse_top_type ... ok
[INFO] [stdout] test parser_test::tests::test_parse_true ... ok
[INFO] [stdout] test parser_test::tests::test_parse_record_type ... ok
[INFO] [stdout] test ty::tests::test_record_type_equality ... ok
[INFO] [stdout] test parser_test::tests::test_parse_tag2 ... ok
[INFO] [stdout] test parser_test::tests::test_parse_tag1 ... ok
[INFO] [stdout] test parser_test::tests::test_parse_true_false ... ok
[INFO] [stdout] test parser_test::tests::test_parse_unit_derived_form ... ok
[INFO] [stdout] test parser_test::tests::test_parse_var_ref ... ok
[INFO] [stdout] test parser_test::tests::test_parse_unit_type ... ok
[INFO] [stdout] test parser_test::tests::test_parse_fix ... ok
[INFO] [stdout] test parser_test::tests::test_parse_variant_type ... ok
[INFO] [stdout] test type_check::tests::test_check_apply1 ... ok
[INFO] [stdout] test type_check::tests::test_check_apply4 ... ok
[INFO] [stdout] test type_check::tests::test_check_apply7 ... ok
[INFO] [stdout] test parser_test::tests::test_parse_succ ... ok
[INFO] [stdout] test type_check::tests::test_check_apply6 ... ok
[INFO] [stdout] test type_check::tests::test_check_apply5 ... ok
[INFO] [stdout] test type_check::tests::test_check_apply2 ... ok
[INFO] [stdout] test type_check::tests::test_check_apply3 ... ok
[INFO] [stdout] test type_check::tests::test_check_nat ... ok
[INFO] [stdout] test type_check::tests::test_check_deref ... ok
[INFO] [stdout] test type_check::tests::test_check_bool ... ok
[INFO] [stdout] test type_check::tests::test_check_assign ... ok
[INFO] [stdout] test type_check::tests::test_check_ref ... ok
[INFO] [stdout] test type_check::tests_env::test_find_by_variable ... ok
[INFO] [stdout] test type_check::tests_subtype_eq::test_subtype_eq_arrow ... ok
[INFO] [stdout] test type_check::tests_subtype_eq::test_subtype_eq_record ... ok
[INFO] [stdout] test type_check::tests_subtype_eq::test_subtype_eq_top ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_arrow ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_bool ... ok
[INFO] [stdout] test type_check::tests::test_check_lambda ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_nat ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_record ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_ref ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_top ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_unit ... ok
[INFO] [stdout] test type_check::tests::test_check_iszero ... ok
[INFO] [stdout] test type_check::tests::test_check_pred ... ok
[INFO] [stdout] test type_check::tests_type_eq::test_type_eq_variant ... ok
[INFO] [stdout] test type_check::tests::test_check_type_mismatch ... ok
[INFO] [stdout] test type_check::tests::test_check_record ... ok
[INFO] [stdout] test type_check::tests::test_check_unit ... ok
[INFO] [stdout] test type_check::tests::test_check_variable_not_found ... ok
[INFO] [stdout] test type_check::tests::test_check_succ ... ok
[INFO] [stdout] test type_check::tests::test_check_let ... ok
[INFO] [stdout] test type_check::tests::test_check_fix ... ok
[INFO] [stdout] test type_check::tests::test_check_if_then_else ... ok
[INFO] [stdout] test type_check::tests::test_check_projection ... ok
[INFO] [stdout] test type_check::tests::test_check_as ... ok
[INFO] [stdout] test type_check::tests::test_check_variant ... ok
[INFO] [stdout] test type_check::tests::test_check_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 109 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/type_lang-3619255cc9ab4775)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests type_lang
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6382:5
[INFO] [stderr]      |
[INFO] [stderr] 6382 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6382 -     (__0)
[INFO] [stderr] 6382 +     __0
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-d5087ff102514fee/out/parser.rs:6393:5
[INFO] [stderr]      |
[INFO] [stderr] 6393 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6393 -     (__0)
[INFO] [stderr] 6393 +     __0
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "c58a6f724ff60ab6c1f4d1044f76108dec3810b72ef9cd15450b202b1c125264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58a6f724ff60ab6c1f4d1044f76108dec3810b72ef9cd15450b202b1c125264", kill_on_drop: false }`
[INFO] [stdout] c58a6f724ff60ab6c1f4d1044f76108dec3810b72ef9cd15450b202b1c125264