[INFO] cloning repository https://github.com/Xiulf/lowlang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiulf/lowlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiulf%2Flowlang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiulf%2Flowlang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 632f747baf681d037c5d731b6b6e68967a83f207 [INFO] checking Xiulf/lowlang against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiulf%2Flowlang" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiulf/lowlang on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xiulf/lowlang [INFO] finished tweaking git repo https://github.com/Xiulf/lowlang [INFO] tweaked toml for git repo https://github.com/Xiulf/lowlang written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Xiulf/lowlang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a65459f93dc045c395fc407cf4c306b0cb89f46f0e9c5f0851d92a12b8957ed2 [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" "a65459f93dc045c395fc407cf4c306b0cb89f46f0e9c5f0851d92a12b8957ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a65459f93dc045c395fc407cf4c306b0cb89f46f0e9c5f0851d92a12b8957ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a65459f93dc045c395fc407cf4c306b0cb89f46f0e9c5f0851d92a12b8957ed2", kill_on_drop: false }` [INFO] [stdout] a65459f93dc045c395fc407cf4c306b0cb89f46f0e9c5f0851d92a12b8957ed2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7f45822f0010a0bdb695e72a9031ed824325cbf59f1685173270db497844f7fb [INFO] running `Command { std: "docker" "start" "-a" "7f45822f0010a0bdb695e72a9031ed824325cbf59f1685173270db497844f7fb", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.11.1 [INFO] [stderr] Checking index_vec v0.1.2 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cranelift-entity v0.68.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling cranelift-codegen-shared v0.68.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking linked_hash_set v0.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling cranelift-codegen-meta v0.68.0 [INFO] [stderr] Checking cranelift-bforest v0.68.0 [INFO] [stderr] Checking regalloc v0.0.31 [INFO] [stderr] Checking object v0.21.1 [INFO] [stderr] Checking ir v0.1.0 (/opt/rustwide/workdir/ir) [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@ir/src/graph.rs:85:22: 85:68]>` in the current scope [INFO] [stdout] --> ir/src/graph.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 86 | .fold_first(|a, b| a.intersection(&b).copied().collect()) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@ir/src/graph.rs:85:22: 85:68]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@ir/src/graph.rs:85:22: 85:68]>` in the current scope [INFO] [stdout] --> ir/src/graph.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 86 | .fold_first(|a, b| a.intersection(&b).copied().collect()) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@ir/src/graph.rs:85:22: 85:68]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ir` [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 [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" "7f45822f0010a0bdb695e72a9031ed824325cbf59f1685173270db497844f7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f45822f0010a0bdb695e72a9031ed824325cbf59f1685173270db497844f7fb", kill_on_drop: false }` [INFO] [stdout] 7f45822f0010a0bdb695e72a9031ed824325cbf59f1685173270db497844f7fb