[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#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkclimb%2Fjack-lang" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkclimb/jack-lang on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-5/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded ena v0.11.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded lalrpop-util v0.16.3
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded lalrpop v0.16.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded llvm-sys v60.6.0
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 328e7ad830a0c9cc4c63c74a61bc8817d6731db9e09d4f96c2cb21a1168f0227
[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" "328e7ad830a0c9cc4c63c74a61bc8817d6731db9e09d4f96c2cb21a1168f0227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "328e7ad830a0c9cc4c63c74a61bc8817d6731db9e09d4f96c2cb21a1168f0227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328e7ad830a0c9cc4c63c74a61bc8817d6731db9e09d4f96c2cb21a1168f0227", kill_on_drop: false }`
[INFO] [stdout] 328e7ad830a0c9cc4c63c74a61bc8817d6731db9e09d4f96c2cb21a1168f0227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f29e30de9596a02628e30d2ecf656082a68e4f1ab1e35941ea9e2c81293565fb
[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" "f29e30de9596a02628e30d2ecf656082a68e4f1ab1e35941ea9e2c81293565fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 serde v1.0.116
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand v0.6.5
[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 regex v1.3.9
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[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-9eb0a7681933f170/build-script-build` (exit status: 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 `(<Statement>)+`. This might
[INFO] [stderr]     then yield a parse tree like
[INFO] [stderr]       "{" Statement        ╷ "}"
[INFO] [stderr]       │   └─(<Statement>)+─┘   │
[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>)+ 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 `(<Statement>)+`. This might
[INFO] [stderr]     then yield a parse tree like
[INFO] [stderr]       "{" (<Statement>)+ Statement "}"
[INFO] [stderr]       │   └─(<Statement>)+───────┘   │
[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>)+ 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 `(<Statement>)+`. This might
[INFO] [stderr]     then yield a parse tree like
[INFO] [stderr]       "{" Statement        ╷ "}"
[INFO] [stderr]       │   └─(<Statement>)+─┘   │
[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" "f29e30de9596a02628e30d2ecf656082a68e4f1ab1e35941ea9e2c81293565fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29e30de9596a02628e30d2ecf656082a68e4f1ab1e35941ea9e2c81293565fb", kill_on_drop: false }`
[INFO] [stdout] f29e30de9596a02628e30d2ecf656082a68e4f1ab1e35941ea9e2c81293565fb