[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] 4b020eab84d608211d4f5ed620fedc60a8358bcb [INFO] checking Nyrox/experimental-lang against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fexperimental-lang" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nyrox/experimental-lang on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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-11/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ba82ad5d2615d25a2be39d70d85954e4f52cb40db82355b9c9ed5e7869087db [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" "7ba82ad5d2615d25a2be39d70d85954e4f52cb40db82355b9c9ed5e7869087db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ba82ad5d2615d25a2be39d70d85954e4f52cb40db82355b9c9ed5e7869087db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ba82ad5d2615d25a2be39d70d85954e4f52cb40db82355b9c9ed5e7869087db", kill_on_drop: false }` [INFO] [stdout] 7ba82ad5d2615d25a2be39d70d85954e4f52cb40db82355b9c9ed5e7869087db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 766627747ea114f4e6d1b44c35894d4ebc50a70887e280fa5ec954baab673ccb [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" "766627747ea114f4e6d1b44c35894d4ebc50a70887e280fa5ec954baab673ccb", 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[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: 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" "766627747ea114f4e6d1b44c35894d4ebc50a70887e280fa5ec954baab673ccb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "766627747ea114f4e6d1b44c35894d4ebc50a70887e280fa5ec954baab673ccb", kill_on_drop: false }` [INFO] [stdout] 766627747ea114f4e6d1b44c35894d4ebc50a70887e280fa5ec954baab673ccb