[INFO] cloning repository https://github.com/ktsimpso/adventofcode2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ktsimpso/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktsimpso%2Fadventofcode2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktsimpso%2Fadventofcode2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec7bd2df39279f0448e7d39416d1b743d642e8fc [INFO] checking ktsimpso/adventofcode2020 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktsimpso%2Fadventofcode2020" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ktsimpso/adventofcode2020 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/ktsimpso/adventofcode2020 [INFO] finished tweaking git repo https://github.com/ktsimpso/adventofcode2020 [INFO] tweaked toml for git repo https://github.com/ktsimpso/adventofcode2020 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/ktsimpso/adventofcode2020 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 60a411da22b5a4b409f56ff2e2b0b146e05ce6e48753f2a19031c10694e8a4de [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" "60a411da22b5a4b409f56ff2e2b0b146e05ce6e48753f2a19031c10694e8a4de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60a411da22b5a4b409f56ff2e2b0b146e05ce6e48753f2a19031c10694e8a4de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60a411da22b5a4b409f56ff2e2b0b146e05ce6e48753f2a19031c10694e8a4de", kill_on_drop: false }` [INFO] [stdout] 60a411da22b5a4b409f56ff2e2b0b146e05ce6e48753f2a19031c10694e8a4de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6eaecf7960d8e6d8e767b8914123f3835d637b594cf56a42c8ee9bb44e8405fa [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" "6eaecf7960d8e6d8e767b8914123f3835d637b594cf56a42c8ee9bb44e8405fa", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Checking simple-error v0.2.2 [INFO] [stderr] Checking anyhow v1.0.34 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking bitvec v0.19.4 [INFO] [stderr] Checking lexical-core v0.7.4 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Checking adventofcode2020 v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter<'_, usize>` in the current scope [INFO] [stdout] --> src/adapter_array.rs:89:18 [INFO] [stdout] | [INFO] [stdout] 89 | .fold_first(|max, adapter| if max > adapter { max } else { adapter }) [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::slice::Iter<'_, usize>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter<'_, usize>` in the current scope [INFO] [stdout] --> src/adapter_array.rs:89:18 [INFO] [stdout] | [INFO] [stdout] 89 | .fold_first(|max, adapter| if max > adapter { max } else { adapter }) [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::slice::Iter<'_, usize>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter>` in the current scope [INFO] [stdout] --> src/custom_customs.rs:113:18 [INFO] [stdout] | [INFO] [stdout] 113 | .fold_first(|acc: HashSet, person| { [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::vec::IntoIter>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter>` in the current scope [INFO] [stdout] --> src/custom_customs.rs:113:18 [INFO] [stdout] | [INFO] [stdout] 113 | .fold_first(|acc: HashSet, person| { [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::vec::IntoIter>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Map, [closure@src/shuttle_search.rs:81:21: 84:10]>, [closure@src/shuttle_search.rs:85:14: 89:10]>` in the current scope [INFO] [stdout] --> src/shuttle_search.rs:90:10 [INFO] [stdout] | [INFO] [stdout] 90 | .fold_first(|low, new| if new.1 < low.1 { new } else { low }) [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::iter::Map, [closure@src/shuttle_search.rs:81:21: 84:10]>, [closure@src/shuttle_search.rs:85:14: 89:10]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::iter::Map, [closure@src/shuttle_search.rs:81:21: 84:10]>, [closure@src/shuttle_search.rs:85:14: 89:10]>` in the current scope [INFO] [stdout] --> src/shuttle_search.rs:90:10 [INFO] [stdout] | [INFO] [stdout] 90 | .fold_first(|low, new| if new.1 < low.1 { new } else { low }) [INFO] [stdout] | ^^^^^^^^^^ method not found in `std::iter::Map, [closure@src/shuttle_search.rs:81:21: 84:10]>, [closure@src/shuttle_search.rs:85:14: 89:10]>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `adventofcode2020` [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6eaecf7960d8e6d8e767b8914123f3835d637b594cf56a42c8ee9bb44e8405fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eaecf7960d8e6d8e767b8914123f3835d637b594cf56a42c8ee9bb44e8405fa", kill_on_drop: false }` [INFO] [stdout] 6eaecf7960d8e6d8e767b8914123f3835d637b594cf56a42c8ee9bb44e8405fa