[INFO] cloning repository https://github.com/Nyrox/experimental-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nyrox/experimental-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fexperimental-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fexperimental-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2b67cf22441994ba98f2ea8dddf4f46957a95cf6 [INFO] checking Nyrox/experimental-lang against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fexperimental-lang" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nyrox/experimental-lang on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nyrox/experimental-lang [INFO] finished tweaking git repo https://github.com/Nyrox/experimental-lang [INFO] tweaked toml for git repo https://github.com/Nyrox/experimental-lang written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Nyrox/experimental-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 360c3e15b4847c95202829b2d75329390ea862ae84a2f38f09075a196272078a [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" "360c3e15b4847c95202829b2d75329390ea862ae84a2f38f09075a196272078a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "360c3e15b4847c95202829b2d75329390ea862ae84a2f38f09075a196272078a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "360c3e15b4847c95202829b2d75329390ea862ae84a2f38f09075a196272078a", kill_on_drop: false }` [INFO] [stdout] 360c3e15b4847c95202829b2d75329390ea862ae84a2f38f09075a196272078a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e44d154bcee7e9c17c1b2efc3862684e65b8ef0090770207d010c46b6d35fc91 [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" "e44d154bcee7e9c17c1b2efc3862684e65b8ef0090770207d010c46b6d35fc91", kill_on_drop: false }` [INFO] [stderr] Checking experimental-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `let_chains` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypeDeclaration` is imported redundantly [INFO] [stdout] --> src/typecheck.rs:518:9 [INFO] [stdout] | [INFO] [stdout] 2 | ast::untyped::{Expr, TypeDeclaration}, [INFO] [stdout] | --------------- the item `TypeDeclaration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 518 | use untyped::TypeDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypeDeclaration` is imported redundantly [INFO] [stdout] --> src/typecheck.rs:518:9 [INFO] [stdout] | [INFO] [stdout] 2 | ast::untyped::{Expr, TypeDeclaration}, [INFO] [stdout] | --------------- the item `TypeDeclaration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 518 | use untyped::TypeDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/ast/untyped.rs:138:22: 138:34]>` in the current scope [INFO] [stdout] --> src/ast/untyped.rs:139:18 [INFO] [stdout] | [INFO] [stdout] 139 | .fold_first(|s1, s2| s1.encompass(s2)) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/ast/untyped.rs:138:22: 138:34]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `experimental-lang` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/ast/untyped.rs:138:22: 138:34]>` in the current scope [INFO] [stdout] --> src/ast/untyped.rs:139:18 [INFO] [stdout] | [INFO] [stdout] 139 | .fold_first(|s1, s2| s1.encompass(s2)) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/ast/untyped.rs:138:22: 138:34]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e44d154bcee7e9c17c1b2efc3862684e65b8ef0090770207d010c46b6d35fc91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e44d154bcee7e9c17c1b2efc3862684e65b8ef0090770207d010c46b6d35fc91", kill_on_drop: false }` [INFO] [stdout] e44d154bcee7e9c17c1b2efc3862684e65b8ef0090770207d010c46b6d35fc91