[INFO] cloning repository https://github.com/axelf4/fun-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axelf4/fun-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelf4%2Ffun-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelf4%2Ffun-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25d2235501d55df0b33b8147ec1d3c810f2649cf
[INFO] checking axelf4/fun-lang against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelf4%2Ffun-lang" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axelf4/fun-lang on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/axelf4/fun-lang
[INFO] finished tweaking git repo https://github.com/axelf4/fun-lang
[INFO] tweaked toml for git repo https://github.com/axelf4/fun-lang written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/axelf4/fun-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" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/salsa-rs/salsa`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache v0.8.2
[INFO] [stderr]   Downloaded retain_mut v0.1.5
[INFO] [stderr]   Downloaded glr v0.1.0
[INFO] [stderr]   Downloaded roaring v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6925f436f17423cc4d33552cad25575503d69aa2ea2f743b5bbd0ff66aa3371d
[INFO] running `Command { std: "docker" "start" "-a" "6925f436f17423cc4d33552cad25575503d69aa2ea2f743b5bbd0ff66aa3371d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6925f436f17423cc4d33552cad25575503d69aa2ea2f743b5bbd0ff66aa3371d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6925f436f17423cc4d33552cad25575503d69aa2ea2f743b5bbd0ff66aa3371d", kill_on_drop: false }`
[INFO] [stdout] 6925f436f17423cc4d33552cad25575503d69aa2ea2f743b5bbd0ff66aa3371d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 243e5d23c6092cb4a64f6a041daf53a16ae4a7110cc4afc87eac5068584146ef
[INFO] running `Command { std: "docker" "start" "-a" "243e5d23c6092cb4a64f6a041daf53a16ae4a7110cc4afc87eac5068584146ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking retain_mut v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking roaring v0.8.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking arc-swap v1.5.1
[INFO] [stderr]     Checking lalrpop-util v0.19.8
[INFO] [stderr]     Checking self_cell v0.10.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking dashmap v5.3.4
[INFO] [stderr]     Checking hashlink v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking glr v0.1.0
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling salsa-2022-macros v0.1.0 (https://github.com/salsa-rs/salsa#e99e45d3)
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking salsa-2022 v0.1.0 (https://github.com/salsa-rs/salsa#e99e45d3)
[INFO] [stderr]    Compiling fun-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `AmbiguousMixfix` is never constructed
[INFO] [stdout]   --> src/parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Error<'input> {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 39 |     LalrpopError(lalrpop_util::ParseError<usize, Token<'input>, lexer::Error<'input>>),
[INFO] [stdout] 40 |     AmbiguousMixfix,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_term` is never used
[INFO] [stdout]    --> src/parser.rs:603:8
[INFO] [stdout]     |
[INFO] [stdout] 603 | pub fn parse_term<'input, I>(db: &'input dyn crate::Db, input: I) -> Result<Term, Error<'input>>
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `parse` are never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/fun-lang-c6f1ec03f8da277c/out/fun.rs:2674:16
[INFO] [stdout]      |
[INFO] [stdout] 2673 |     impl TermParser {
[INFO] [stdout]      |     --------------- associated items in this implementation
[INFO] [stdout] 2674 |         pub fn new() -> TermParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 2681 |         pub fn parse<
[INFO] [stdout]      |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AmbiguousMixfix` is never constructed
[INFO] [stdout]   --> src/parser.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Error<'input> {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 39 |     LalrpopError(lalrpop_util::ParseError<usize, Token<'input>, lexer::Error<'input>>),
[INFO] [stdout] 40 |     AmbiguousMixfix,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "243e5d23c6092cb4a64f6a041daf53a16ae4a7110cc4afc87eac5068584146ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243e5d23c6092cb4a64f6a041daf53a16ae4a7110cc4afc87eac5068584146ef", kill_on_drop: false }`
[INFO] [stdout] 243e5d23c6092cb4a64f6a041daf53a16ae4a7110cc4afc87eac5068584146ef