[INFO] cloning repository https://github.com/tkclimb/jack-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkclimb/jack-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkclimb%2Fjack-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkclimb%2Fjack-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 506b42bec1e592b2c0838e8929a7d797a1c18d44 [INFO] checking tkclimb/jack-lang against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkclimb%2Fjack-lang" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tkclimb/jack-lang on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tkclimb/jack-lang [INFO] finished tweaking git repo https://github.com/tkclimb/jack-lang [INFO] tweaked toml for git repo https://github.com/tkclimb/jack-lang written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/tkclimb/jack-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded term v0.4.6 [INFO] [stderr] Downloaded ena v0.11.0 [INFO] [stderr] Downloaded strsim v0.9.3 [INFO] [stderr] Downloaded bit-vec v0.6.2 [INFO] [stderr] Downloaded hermit-abi v0.1.16 [INFO] [stderr] Downloaded sha2 v0.8.2 [INFO] [stderr] Downloaded fixedbitset v0.1.9 [INFO] [stderr] Downloaded diff v0.1.12 [INFO] [stderr] Downloaded ascii-canvas v1.0.0 [INFO] [stderr] Downloaded aho-corasick v0.7.13 [INFO] [stderr] Downloaded string_cache_codegen v0.4.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.23 [INFO] [stderr] Downloaded petgraph v0.4.13 [INFO] [stderr] Downloaded syn v1.0.42 [INFO] [stderr] Downloaded serde_derive v1.0.116 [INFO] [stderr] Downloaded serde v1.0.116 [INFO] [stderr] Downloaded lalrpop v0.16.3 [INFO] [stderr] Downloaded lalrpop-util v0.16.3 [INFO] [stderr] Downloaded cc v1.0.60 [INFO] [stderr] Downloaded libc v0.2.77 [INFO] [stderr] Downloaded bit-set v0.5.2 [INFO] [stderr] Downloaded ordermap v0.3.5 [INFO] [stderr] Downloaded precomputed-hash v0.1.1 [INFO] [stderr] Downloaded llvm-sys v60.6.0 [INFO] [stderr] Downloaded docopt v1.1.0 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.4 [INFO] [stderr] Downloaded string_cache_shared v0.3.0 [INFO] [stderr] Downloaded string_cache v0.7.5 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b8c04e607d6faed81f33194744bcf7435d3b1a44e6f893077f30c2753f96071 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9b8c04e607d6faed81f33194744bcf7435d3b1a44e6f893077f30c2753f96071", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b8c04e607d6faed81f33194744bcf7435d3b1a44e6f893077f30c2753f96071", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b8c04e607d6faed81f33194744bcf7435d3b1a44e6f893077f30c2753f96071", kill_on_drop: false }` [INFO] [stdout] 9b8c04e607d6faed81f33194744bcf7435d3b1a44e6f893077f30c2753f96071 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 793c86167a53e31a8484012a9a2451c3473df9f004aa66dcbe16df9c344158d1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "793c86167a53e31a8484012a9a2451c3473df9f004aa66dcbe16df9c344158d1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.23 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling llvm-sys v60.6.0 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling jack-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `jack-lang v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/jack-lang-d8e13b22f4378a94/build-script-build` (exit code: 1) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `/opt/rustwide/workdir/src/grammar.lalrpop` [INFO] [stderr] /opt/rustwide/workdir/src/grammar.lalrpop:43:11: 43:24: Local ambiguity detected [INFO] [stderr] [INFO] [stderr] The problem arises after having observed the following symbols in the input: [INFO] [stderr] "fn" RawId FnDeclArgs "->" RawId "{" Statement [INFO] [stderr] At that point, if the next token is a `"}"`, then the parser can proceed in [INFO] [stderr] two different ways. [INFO] [stderr] [INFO] [stderr] First, the parser could execute the production at [INFO] [stderr] /opt/rustwide/workdir/src/grammar.lalrpop:43:11: 43:24, which would consume [INFO] [stderr] the top 1 token(s) from the stack and produce a `()+`. This might [INFO] [stderr] then yield a parse tree like [INFO] [stderr] "{" Statement ╷ "}" [INFO] [stderr] │ └─()+─┘ │ [INFO] [stderr] └─Stmtblock──────────────┘ [INFO] [stderr] [INFO] [stderr] Alternatively, the parser could shift the `"}"` token and later use it to [INFO] [stderr] construct a `Stmtblock`. This might then yield a parse tree like [INFO] [stderr] "fn" RawId FnDeclArgs "->" RawId "{" Statement "}" [INFO] [stderr] │ └─Stmtblock─────┤ [INFO] [stderr] └─FnDecl─────────────────────────────────────────┘ [INFO] [stderr] [INFO] [stderr] See the LALRPOP manual for advice on making your grammar LR(1). [INFO] [stderr] [INFO] [stderr] /opt/rustwide/workdir/src/grammar.lalrpop:43:11: 43:24: Local ambiguity detected [INFO] [stderr] [INFO] [stderr] The problem arises after having observed the following symbols in the input: [INFO] [stderr] "fn" RawId FnDeclArgs "->" RawId "{" ()+ Statement [INFO] [stderr] At that point, if the next token is a `"}"`, then the parser can proceed in [INFO] [stderr] two different ways. [INFO] [stderr] [INFO] [stderr] First, the parser could execute the production at [INFO] [stderr] /opt/rustwide/workdir/src/grammar.lalrpop:43:11: 43:24, which would consume [INFO] [stderr] the top 2 token(s) from the stack and produce a `()+`. This might [INFO] [stderr] then yield a parse tree like [INFO] [stderr] "{" ()+ Statement "}" [INFO] [stderr] │ └─()+───────┘ │ [INFO] [stderr] └─Stmtblock────────────────────┘ [INFO] [stderr] [INFO] [stderr] Alternatively, the parser could shift the `"}"` token and later use it to [INFO] [stderr] construct a `Stmtblock`. This might then yield a parse tree like [INFO] [stderr] "fn" RawId FnDeclArgs "->" RawId "{" ()+ Statement "}" [INFO] [stderr] │ └─Stmtblock────────────────────┤ [INFO] [stderr] └─FnDecl────────────────────────────────────────────────────────┘ [INFO] [stderr] [INFO] [stderr] See the LALRPOP manual for advice on making your grammar LR(1). [INFO] [stderr] [INFO] [stderr] /opt/rustwide/workdir/src/grammar.lalrpop:43:11: 43:24: Local ambiguity detected [INFO] [stderr] [INFO] [stderr] The problem arises after having observed the following symbols in the input: [INFO] [stderr] "fn" RawId FnDeclArgs "->" RawId "{" Statement [INFO] [stderr] At that point, if the next token is a `"}"`, then the parser can proceed in [INFO] [stderr] two different ways. [INFO] [stderr] [INFO] [stderr] First, the parser could execute the production at [INFO] [stderr] /opt/rustwide/workdir/src/grammar.lalrpop:43:11: 43:24, which would consume [INFO] [stderr] the top 1 token(s) from the stack and produce a `()+`. This might [INFO] [stderr] then yield a parse tree like [INFO] [stderr] "{" Statement ╷ "}" [INFO] [stderr] │ └─()+─┘ │ [INFO] [stderr] └─Stmtblock──────────────┘ [INFO] [stderr] [INFO] [stderr] Alternatively, the parser could shift the `"}"` token and later use it to [INFO] [stderr] construct a `Stmtblock`. This might then yield a parse tree like [INFO] [stderr] "fn" RawId FnDeclArgs "->" RawId "{" Statement "}" [INFO] [stderr] │ └─Stmtblock─────┤ [INFO] [stderr] └─FnDecl─────────────────────────────────────────┘ [INFO] [stderr] [INFO] [stderr] See the LALRPOP manual for advice on making your grammar LR(1). [INFO] running `Command { std: "docker" "inspect" "793c86167a53e31a8484012a9a2451c3473df9f004aa66dcbe16df9c344158d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "793c86167a53e31a8484012a9a2451c3473df9f004aa66dcbe16df9c344158d1", kill_on_drop: false }` [INFO] [stdout] 793c86167a53e31a8484012a9a2451c3473df9f004aa66dcbe16df9c344158d1