[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] testing Xiulf/lowlang against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiulf%2Flowlang" "/workspace/builds/worker-51/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiulf/lowlang on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-51/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cranelift-entity v0.68.0 [INFO] [stderr] Downloaded cranelift-bforest v0.68.0 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.68.0 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.68.0 [INFO] [stderr] Downloaded cranelift-frontend v0.68.0 [INFO] [stderr] Downloaded cranelift v0.68.0 [INFO] [stderr] Downloaded anyhow v1.0.35 [INFO] [stderr] Downloaded cranelift-codegen v0.68.0 [INFO] [stderr] Downloaded index_vec v0.1.2 [INFO] [stderr] Downloaded target-lexicon v0.11.1 [INFO] [stderr] Downloaded cranelift-module v0.68.0 [INFO] [stderr] Downloaded cranelift-object v0.68.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9eb5898eb2cd71cf860a27fb6cd582c522445b6143d97b13f30d8c02c7d30698 [INFO] running `Command { std: "docker" "start" "-a" "9eb5898eb2cd71cf860a27fb6cd582c522445b6143d97b13f30d8c02c7d30698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9eb5898eb2cd71cf860a27fb6cd582c522445b6143d97b13f30d8c02c7d30698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eb5898eb2cd71cf860a27fb6cd582c522445b6143d97b13f30d8c02c7d30698", kill_on_drop: false }` [INFO] [stdout] 9eb5898eb2cd71cf860a27fb6cd582c522445b6143d97b13f30d8c02c7d30698 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72305483109d5dadcd94771610e1cf1100a3c477f70a8d8c3577d11e9b293a6e [INFO] running `Command { std: "docker" "start" "-a" "72305483109d5dadcd94771610e1cf1100a3c477f70a8d8c3577d11e9b293a6e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling target-lexicon v0.11.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling cranelift-entity v0.68.0 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling cranelift-codegen-shared v0.68.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling smallvec v1.5.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling index_vec v0.1.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling linked_hash_set v0.1.4 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling cranelift-codegen-meta v0.68.0 [INFO] [stderr] Compiling cranelift-bforest v0.68.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling regalloc v0.0.31 [INFO] [stderr] Compiling object v0.21.1 [INFO] [stderr] Compiling ir v0.1.0 (/opt/rustwide/workdir/ir) [INFO] [stderr] Compiling rand_core v0.5.1 [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] 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] [stderr] Compiling rand_chacha v0.2.2 [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` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "72305483109d5dadcd94771610e1cf1100a3c477f70a8d8c3577d11e9b293a6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72305483109d5dadcd94771610e1cf1100a3c477f70a8d8c3577d11e9b293a6e", kill_on_drop: false }` [INFO] [stdout] 72305483109d5dadcd94771610e1cf1100a3c477f70a8d8c3577d11e9b293a6e