[INFO] cloning repository https://github.com/hanchayi/js-engine-from-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanchayi/js-engine-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanchayi%2Fjs-engine-from-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanchayi%2Fjs-engine-from-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34053f7290fcc090597a6f5dcf9a256fbaaea2d7 [INFO] checking hanchayi/js-engine-from-scratch against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanchayi%2Fjs-engine-from-scratch" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hanchayi/js-engine-from-scratch on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hanchayi/js-engine-from-scratch [INFO] finished tweaking git repo https://github.com/hanchayi/js-engine-from-scratch [INFO] tweaked toml for git repo https://github.com/hanchayi/js-engine-from-scratch written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hanchayi/js-engine-from-scratch 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gc_derive v0.3.6 [INFO] [stderr] Downloaded gc v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d147a30f2bce5a14f2075e14dbe85dc1e82ac1dba752e6d4fb97ec7a9302c80 [INFO] running `Command { std: "docker" "start" "-a" "5d147a30f2bce5a14f2075e14dbe85dc1e82ac1dba752e6d4fb97ec7a9302c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d147a30f2bce5a14f2075e14dbe85dc1e82ac1dba752e6d4fb97ec7a9302c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d147a30f2bce5a14f2075e14dbe85dc1e82ac1dba752e6d4fb97ec7a9302c80", kill_on_drop: false }` [INFO] [stdout] 5d147a30f2bce5a14f2075e14dbe85dc1e82ac1dba752e6d4fb97ec7a9302c80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a420293ce347d532883ac041f927d94303e2f2840edfcb5e06baa2c5739a19c [INFO] running `Command { std: "docker" "start" "-a" "7a420293ce347d532883ac041f927d94303e2f2840edfcb5e06baa2c5739a19c", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.87 [INFO] [stderr] Compiling bumpalo v3.13.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling wasm-bindgen v0.2.87 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking gc v0.3.6 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.87 [INFO] [stderr] Compiling gc_derive v0.3.6 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.87 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.87 [INFO] [stderr] Checking js-engine-from-scratch v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib/environment/lexical_environment.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | / /// Object Environment Records created for with statements (13.11) [INFO] [stdout] 192 | | /// can provide their binding object as an implicit this value for use in function calls. [INFO] [stdout] 193 | | /// The capability is controlled by a withEnvironment Boolean value that is associated [INFO] [stdout] 194 | | /// with each object Environment Record. By default, the value of withEnvironment is false [INFO] [stdout] 195 | | /// for any object Environment Record. [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] 196 | with_environment: false, [INFO] [stdout] | ----------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib/environment/lexical_environment.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | / /// Object Environment Records created for with statements (13.11) [INFO] [stdout] 205 | | /// can provide their binding object as an implicit this value for use in function calls. [INFO] [stdout] 206 | | /// The capability is controlled by a withEnvironment Boolean value that is associated [INFO] [stdout] 207 | | /// with each object Environment Record. By default, the value of withEnvironment is false [INFO] [stdout] 208 | | /// for any object Environment Record. [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] 209 | with_environment: false, [INFO] [stdout] | ----------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> src/lib/exec.rs:9:59 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::js::value::{from_value, to_value, ResultValue, Value, ValueData}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead [INFO] [stdout] --> src/lib/exec.rs:361:36 [INFO] [stdout] | [INFO] [stdout] 361 | Some(v) => r#try!(self.run(&v)), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead [INFO] [stdout] --> src/lib/exec.rs:373:36 [INFO] [stdout] | [INFO] [stdout] 373 | Some(v) => r#try!(self.run(&v)), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib/environment/lexical_environment.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | / /// Object Environment Records created for with statements (13.11) [INFO] [stdout] 192 | | /// can provide their binding object as an implicit this value for use in function calls. [INFO] [stdout] 193 | | /// The capability is controlled by a withEnvironment Boolean value that is associated [INFO] [stdout] 194 | | /// with each object Environment Record. By default, the value of withEnvironment is false [INFO] [stdout] 195 | | /// for any object Environment Record. [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] 196 | with_environment: false, [INFO] [stdout] | ----------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/lib/environment/lexical_environment.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | / /// Object Environment Records created for with statements (13.11) [INFO] [stdout] 205 | | /// can provide their binding object as an implicit this value for use in function calls. [INFO] [stdout] 206 | | /// The capability is controlled by a withEnvironment Boolean value that is associated [INFO] [stdout] 207 | | /// with each object Environment Record. By default, the value of withEnvironment is false [INFO] [stdout] 208 | | /// for any object Environment Record. [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] 209 | with_environment: false, [INFO] [stdout] | ----------------------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/lib/js/value.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/lib/js/console.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib/js/json.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::{self, to_string_pretty, Value as JSONValue}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> src/lib/exec.rs:9:59 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::js::value::{from_value, to_value, ResultValue, Value, ValueData}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead [INFO] [stdout] --> src/lib/exec.rs:361:36 [INFO] [stdout] | [INFO] [stdout] 361 | Some(v) => r#try!(self.run(&v)), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead [INFO] [stdout] --> src/lib/exec.rs:373:36 [INFO] [stdout] | [INFO] [stdout] 373 | Some(v) => r#try!(self.run(&v)), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/lib/js/value.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/lib/js/console.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib/js/json.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::{self, to_string_pretty, Value as JSONValue}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/lib/js/value.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a type alias [INFO] [stdout] --> src/lib/js/value.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib/syntax/parser.rs:515:13 [INFO] [stdout] | [INFO] [stdout] 515 | TokenData::Punctuator(Punctuator::Dec) => mk!( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `PInc` [INFO] [stdout] --> src/lib/syntax/parser.rs:511:35 [INFO] [stdout] | [INFO] [stdout] 511 | TokenData::Punctuator(PInc) => mk!( [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_PInc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib/syntax/parser.rs:515:13 [INFO] [stdout] | [INFO] [stdout] 515 | TokenData::Punctuator(Punctuator::Dec) => mk!( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `PInc` [INFO] [stdout] --> src/lib/syntax/parser.rs:511:35 [INFO] [stdout] | [INFO] [stdout] 511 | TokenData::Punctuator(PInc) => mk!( [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_PInc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib/lib.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | Err(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `PInc` should have a snake case name [INFO] [stdout] --> src/lib/syntax/parser.rs:511:35 [INFO] [stdout] | [INFO] [stdout] 511 | TokenData::Punctuator(PInc) => mk!( [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `pinc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib/lib.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | Err(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `PInc` should have a snake case name [INFO] [stdout] --> src/lib/syntax/parser.rs:511:35 [INFO] [stdout] | [INFO] [stdout] 511 | TokenData::Punctuator(PInc) => mk!( [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `pinc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `string::_create`, `value::ValueData` [INFO] [stdout] --> tests/string_test.rs:1:39 [INFO] [stdout] | [INFO] [stdout] 1 | use engine::{engine::run_script, js::{value::ValueData, string::_create}}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> tests/arrow_function_test.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let res = run_script(script).to_string(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "7a420293ce347d532883ac041f927d94303e2f2840edfcb5e06baa2c5739a19c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a420293ce347d532883ac041f927d94303e2f2840edfcb5e06baa2c5739a19c", kill_on_drop: false }` [INFO] [stdout] 7a420293ce347d532883ac041f927d94303e2f2840edfcb5e06baa2c5739a19c [INFO] checking hanchayi/js-engine-from-scratch against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanchayi%2Fjs-engine-from-scratch" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hanchayi/js-engine-from-scratch on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hanchayi/js-engine-from-scratch [INFO] finished tweaking git repo https://github.com/hanchayi/js-engine-from-scratch [INFO] tweaked toml for git repo https://github.com/hanchayi/js-engine-from-scratch written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hanchayi/js-engine-from-scratch 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e971b720468aa03c03e9b8b75353519c32b4616df7c357f1471afd303b30bd79 [INFO] running `Command { std: "docker" "start" "-a" "e971b720468aa03c03e9b8b75353519c32b4616df7c357f1471afd303b30bd79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e971b720468aa03c03e9b8b75353519c32b4616df7c357f1471afd303b30bd79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e971b720468aa03c03e9b8b75353519c32b4616df7c357f1471afd303b30bd79", kill_on_drop: false }` [INFO] [stdout] e971b720468aa03c03e9b8b75353519c32b4616df7c357f1471afd303b30bd79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5b998afdc7ec1af8d0cb0e9d7d0b83397198c270e0393fcb8634aa373ff926f [INFO] running `Command { std: "docker" "start" "-a" "a5b998afdc7ec1af8d0cb0e9d7d0b83397198c270e0393fcb8634aa373ff926f", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.87 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Compiling bumpalo v3.13.0 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling wasm-bindgen v0.2.87 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking gc v0.3.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.87 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling gc_derive v0.3.6 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.87 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-macro-support-0.2.87/src/parser.rs:306:17 [INFO] [stdout] | [INFO] [stdout] 306 | / if input.parse::().is_ok() { [INFO] [stdout] 307 | | let ident = input.parse::()?.0; [INFO] [stdout] 308 | | return Ok(BindgenAttr::$variant(attr_span, Some(ident))) [INFO] [stdout] 309 | | } else { [INFO] [stdout] 310 | | return Ok(BindgenAttr::$variant(attr_span, None)); [INFO] [stdout] 311 | | } [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 366 | attrgen!(parsers); [INFO] [stdout] | ----------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `parsers` which comes from the expansion of the macro `attrgen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `wasm-bindgen-macro-support` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "a5b998afdc7ec1af8d0cb0e9d7d0b83397198c270e0393fcb8634aa373ff926f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5b998afdc7ec1af8d0cb0e9d7d0b83397198c270e0393fcb8634aa373ff926f", kill_on_drop: false }` [INFO] [stdout] a5b998afdc7ec1af8d0cb0e9d7d0b83397198c270e0393fcb8634aa373ff926f