[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] 0691573d8605f5fb48b3d9bda60f638a84ad73e4 [INFO] checking Xiulf/lowlang/0691573d8605f5fb48b3d9bda60f638a84ad73e4 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiulf%2Flowlang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiulf/lowlang on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cranelift v0.68.0 [INFO] [stderr] Downloaded cranelift-object v0.68.0 [INFO] [stderr] Downloaded cranelift-module v0.68.0 [INFO] [stderr] Downloaded index_vec v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32bd16cfdce1bf8e8c1d92b628c9d4ad429978320aa9463ba559c4ba2e0b43b2 [INFO] running `Command { std: "docker" "start" "-a" "32bd16cfdce1bf8e8c1d92b628c9d4ad429978320aa9463ba559c4ba2e0b43b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32bd16cfdce1bf8e8c1d92b628c9d4ad429978320aa9463ba559c4ba2e0b43b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32bd16cfdce1bf8e8c1d92b628c9d4ad429978320aa9463ba559c4ba2e0b43b2", kill_on_drop: false }` [INFO] [stdout] 32bd16cfdce1bf8e8c1d92b628c9d4ad429978320aa9463ba559c4ba2e0b43b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7827280166e2538a722515696ecb23ca6c4c6bafc34104111ef5fb4d91b8374 [INFO] running `Command { std: "docker" "start" "-a" "a7827280166e2538a722515696ecb23ca6c4c6bafc34104111ef5fb4d91b8374", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.11.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Checking index_vec v0.1.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling cranelift-codegen-shared v0.68.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking linked_hash_set v0.1.4 [INFO] [stderr] Compiling cranelift-entity v0.68.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling cranelift-codegen-meta v0.68.0 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking cranelift-bforest v0.68.0 [INFO] [stderr] Checking ir v0.1.0 (/opt/rustwide/workdir/ir) [INFO] [stderr] Checking regalloc v0.0.31 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> ir/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope [INFO] [stdout] --> ir/src/graph.rs:86:18 [INFO] [stdout] | [INFO] [stdout] 83 | let mut all_blocks = succ [INFO] [stdout] | __________________________________- [INFO] [stdout] 84 | | .into_iter() [INFO] [stdout] 85 | | .map(|s| self.blocks[s].all_successors(self.blocks)) [INFO] [stdout] 86 | | .fold_first(|a, b| a.intersection(&b).copied().collect()) [INFO] [stdout] | | -^^^^^^^^^^ method not found in `Map, {closure@graph.rs:85:22}>` [INFO] [stdout] | |_________________| [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] error: could not compile `ir` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a7827280166e2538a722515696ecb23ca6c4c6bafc34104111ef5fb4d91b8374", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7827280166e2538a722515696ecb23ca6c4c6bafc34104111ef5fb4d91b8374", kill_on_drop: false }` [INFO] [stdout] a7827280166e2538a722515696ecb23ca6c4c6bafc34104111ef5fb4d91b8374