[INFO] cloning repository https://github.com/ekil1100/simple-js-engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekil1100/simple-js-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekil1100%2Fsimple-js-engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekil1100%2Fsimple-js-engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0bff7def9c335174d4a6c4f59aaff54180818b92 [INFO] testing ekil1100/simple-js-engine against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekil1100%2Fsimple-js-engine" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ekil1100/simple-js-engine on toolchain 414482f6a0d4e7290f614300581a0b55442552a3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ekil1100/simple-js-engine [INFO] finished tweaking git repo https://github.com/ekil1100/simple-js-engine [INFO] tweaked toml for git repo https://github.com/ekil1100/simple-js-engine written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ekil1100/simple-js-engine 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9202847f4e0ef1e3eeb69e542d465d1b6c519d54579abf0e437e4ed7726274d8 [INFO] running `Command { std: "docker" "start" "-a" "9202847f4e0ef1e3eeb69e542d465d1b6c519d54579abf0e437e4ed7726274d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9202847f4e0ef1e3eeb69e542d465d1b6c519d54579abf0e437e4ed7726274d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9202847f4e0ef1e3eeb69e542d465d1b6c519d54579abf0e437e4ed7726274d8", kill_on_drop: false }` [INFO] [stdout] 9202847f4e0ef1e3eeb69e542d465d1b6c519d54579abf0e437e4ed7726274d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 462d85531fc176e155a706c52a23aab2470396a766469a1f67e288f758c76787 [INFO] running `Command { std: "docker" "start" "-a" "462d85531fc176e155a706c52a23aab2470396a766469a1f67e288f758c76787", kill_on_drop: false }` [INFO] [stderr] Compiling simple-js-engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | Identifier(String, Span), // function name | variable name | let | const | etc... [INFO] [stdout] | ---------- ^^^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 3 - Identifier(String, Span), // function name | variable name | let | const | etc... [INFO] [stdout] 3 + Identifier((), ()), // function name | variable name | let | const | etc... [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | Number(String, Span), // 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | _ [INFO] [stdout] | ------ ^^^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 4 - Number(String, Span), // 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | _ [INFO] [stdout] 4 + Number((), ()), // 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | _ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | Operator(String, Span), // = | + | - | * | / | etc... [INFO] [stdout] | -------- ^^^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 5 - Operator(String, Span), // = | + | - | * | / | etc... [INFO] [stdout] 5 + Operator((), ()), // = | + | - | * | / | etc... [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | Delimiter(String, Span), // { | } | ( | ) | ; | etc... [INFO] [stdout] | --------- ^^^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 6 - Delimiter(String, Span), // { | } | ( | ) | ; | etc... [INFO] [stdout] 6 + Delimiter((), ()), // { | } | ( | ) | ; | etc... [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | String(String, Span), // ' | " [INFO] [stdout] | ------ ^^^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 7 - String(String, Span), // ' | " [INFO] [stdout] 7 + String((), ()), // ' | " [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | Template(String, Span), // ` [INFO] [stdout] | -------- ^^^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 8 - Template(String, Span), // ` [INFO] [stdout] 8 + Template((), ()), // ` [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `line` and `column` are never read [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | struct Position { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 23 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 24 | column: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Position` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Span { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | start: Position, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 36 | end: Position, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Span` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcXuTWkY/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcXuTWkY/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/simple_js_engine-947649252b0ca18a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `simple-js-engine` (bin "simple-js-engine") due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "462d85531fc176e155a706c52a23aab2470396a766469a1f67e288f758c76787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "462d85531fc176e155a706c52a23aab2470396a766469a1f67e288f758c76787", kill_on_drop: false }` [INFO] [stdout] 462d85531fc176e155a706c52a23aab2470396a766469a1f67e288f758c76787