[INFO] updating cached repository https://github.com/yui-knk/type_lang [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ed69f34ad8701719671089770ae0063e4ac1aa6a [INFO] checking yui-knk/type_lang against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyui-knk%2Ftype_lang" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yui-knk/type_lang on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-14/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 177ca6ea08210a0b665ada441f89ad212c41e0c4bc80c6383878f4dcad94f2af [INFO] running `"docker" "start" "-a" "177ca6ea08210a0b665ada441f89ad212c41e0c4bc80c6383878f4dcad94f2af"` [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling rand_jitter v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling block-padding v0.1.3 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling block-buffer v0.7.2 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling syn v0.15.26 [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] [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 `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: method is never used: `new` [INFO] [stderr] --> /opt/rustwide/target/debug/build/type_lang-d1bfcaaba2ebdd25/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-d1bfcaaba2ebdd25/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 2m 06s [INFO] running `"docker" "inspect" "177ca6ea08210a0b665ada441f89ad212c41e0c4bc80c6383878f4dcad94f2af"` [INFO] running `"docker" "rm" "-f" "177ca6ea08210a0b665ada441f89ad212c41e0c4bc80c6383878f4dcad94f2af"` [INFO] [stdout] 177ca6ea08210a0b665ada441f89ad212c41e0c4bc80c6383878f4dcad94f2af