[INFO] cloning repository https://github.com/reductist/aoc_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reductist/aoc_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freductist%2Faoc_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freductist%2Faoc_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10cc4c279a637271d0e3340e0c39722de1f76986
[INFO] building reductist/aoc_2021 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freductist%2Faoc_2021" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reductist/aoc_2021
[INFO] finished tweaking git repo https://github.com/reductist/aoc_2021
[INFO] tweaked toml for git repo https://github.com/reductist/aoc_2021 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reductist/aoc_2021 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reductist/aoc_2021 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tabled v0.3.0
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded tabled_derive v0.1.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded papergrid v0.1.23
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded atoi v0.4.0
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded nom v6.2.1
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a171807ad43c2faa34ee0a79b5b117d6eb0073609f4868bcbcdc41ac28b5597
[INFO] running `Command { std: "docker" "start" "-a" "8a171807ad43c2faa34ee0a79b5b117d6eb0073609f4868bcbcdc41ac28b5597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a171807ad43c2faa34ee0a79b5b117d6eb0073609f4868bcbcdc41ac28b5597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a171807ad43c2faa34ee0a79b5b117d6eb0073609f4868bcbcdc41ac28b5597", kill_on_drop: false }`
[INFO] [stdout] 8a171807ad43c2faa34ee0a79b5b117d6eb0073609f4868bcbcdc41ac28b5597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd12a29ac7298fa46d06a9efeee8b77803dd5ab4ba7623d8bbf27180f2752c71
[INFO] running `Command { std: "docker" "start" "-a" "dd12a29ac7298fa46d06a9efeee8b77803dd5ab4ba7623d8bbf27180f2752c71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling papergrid v0.1.23
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]    Compiling tabled_derive v0.1.8
[INFO] [stderr]    Compiling tabled v0.3.0
[INFO] [stderr]    Compiling aoc-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_windows, drain_filter)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<(BTreeMap<u8, usize>, u32)>` in the current scope
[INFO] [stdout]   --> src/day4.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 36 | /             bds
[INFO] [stdout] 37 | |                 .drain_filter(|(bd, mp)| {
[INFO] [stdout]    | |                 -^^^^^^^^^^^^ method not found in `Vec<(BTreeMap<u8, usize>, u32)>`
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc-2021` (bin "aoc-2021") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dd12a29ac7298fa46d06a9efeee8b77803dd5ab4ba7623d8bbf27180f2752c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd12a29ac7298fa46d06a9efeee8b77803dd5ab4ba7623d8bbf27180f2752c71", kill_on_drop: false }`
[INFO] [stdout] dd12a29ac7298fa46d06a9efeee8b77803dd5ab4ba7623d8bbf27180f2752c71