[INFO] cloning repository https://github.com/ischaaf/aoc-solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ischaaf/aoc-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischaaf%2Faoc-solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischaaf%2Faoc-solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 316b75f13bf8e980073cccb2c11987f2b1b06f1e [INFO] checking ischaaf/aoc-solution against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischaaf%2Faoc-solution" "/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/ischaaf/aoc-solution on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ischaaf/aoc-solution [INFO] finished tweaking git repo https://github.com/ischaaf/aoc-solution [INFO] tweaked toml for git repo https://github.com/ischaaf/aoc-solution written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ischaaf/aoc-solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78e1e517a471b7c5667869ad475cf90a14c6bee401773172c50a192a79389b17 [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" "78e1e517a471b7c5667869ad475cf90a14c6bee401773172c50a192a79389b17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78e1e517a471b7c5667869ad475cf90a14c6bee401773172c50a192a79389b17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78e1e517a471b7c5667869ad475cf90a14c6bee401773172c50a192a79389b17", kill_on_drop: false }` [INFO] [stdout] 78e1e517a471b7c5667869ad475cf90a14c6bee401773172c50a192a79389b17 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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] 897878f30627b3a0400466cbe22893be84b5509472fe18e18245e89e5e31d69b [INFO] running `Command { std: "docker" "start" "-a" "897878f30627b3a0400466cbe22893be84b5509472fe18e18245e89e5e31d69b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling libsqlite3-sys v0.18.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking tendril v0.4.1 [INFO] [stderr] Checking net2 v0.2.36 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking socket2 v0.3.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking serde_json v1.0.60 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Checking tokio v0.2.23 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking diesel v1.4.5 [INFO] [stderr] Compiling markup5ever v0.10.0 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking xml5ever v0.16.1 [INFO] [stderr] Checking markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking html2md v0.2.10 [INFO] [stderr] Checking hyper v0.13.9 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.9 [INFO] [stderr] Checking aocf v0.1.8 [INFO] [stderr] Checking aoc-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map, [closure@src/day/day_06.rs:28:26: 28:66]>` in the current scope [INFO] [stdout] --> src/day/day_06.rs:29:22 [INFO] [stdout] | [INFO] [stdout] 29 | .fold_first(|acc, n| acc.intersection(&n).cloned().collect::>()) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/day/day_06.rs:28:26: 28:66]>` [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 `aoc-solution` [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[E0599]: no method named `fold_first` found for struct `Map, [closure@src/day/day_06.rs:28:26: 28:66]>` in the current scope [INFO] [stdout] --> src/day/day_06.rs:29:22 [INFO] [stdout] | [INFO] [stdout] 29 | .fold_first(|acc, n| acc.intersection(&n).cloned().collect::>()) [INFO] [stdout] | ^^^^^^^^^^ method not found in `Map, [closure@src/day/day_06.rs:28:26: 28:66]>` [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: build failed [INFO] running `Command { std: "docker" "inspect" "897878f30627b3a0400466cbe22893be84b5509472fe18e18245e89e5e31d69b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "897878f30627b3a0400466cbe22893be84b5509472fe18e18245e89e5e31d69b", kill_on_drop: false }` [INFO] [stdout] 897878f30627b3a0400466cbe22893be84b5509472fe18e18245e89e5e31d69b