[INFO] cloning repository https://github.com/yui-knk/type_lang
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyui-knk%2Ftype_lang'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed69f34ad8701719671089770ae0063e4ac1aa6a
[INFO] checking yui-knk/type_lang against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyui-knk%2Ftype_lang" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yui-knk/type_lang on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/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 `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b037dfbf0e5070a7dc5f51e28585c5cf73ec861ff20438adf9a99be042a5753
[INFO] running `"docker" "start" "-a" "1b037dfbf0e5070a7dc5f51e28585c5cf73ec861ff20438adf9a99be042a5753"`
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling block-buffer v0.7.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling type_lang v0.1.0 (/opt/rustwide/workdir)
[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]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[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]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-b096d96e93be8ed8/out/parser.rs:4450:9
[INFO] [stderr]      |
[INFO] [stderr] 4450 |         pub fn new() -> TypeParser {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/type_lang-b096d96e93be8ed8/out/parser.rs:4450:9
[INFO] [stderr]      |
[INFO] [stderr] 4450 |         pub fn new() -> TypeParser {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `"docker" "inspect" "1b037dfbf0e5070a7dc5f51e28585c5cf73ec861ff20438adf9a99be042a5753"`
[INFO] running `"docker" "rm" "-f" "1b037dfbf0e5070a7dc5f51e28585c5cf73ec861ff20438adf9a99be042a5753"`
[INFO] [stdout] 1b037dfbf0e5070a7dc5f51e28585c5cf73ec861ff20438adf9a99be042a5753