[INFO] cloning repository https://github.com/w4tson/advent-of-code-2017-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w4tson/advent-of-code-2017-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw4tson%2Fadvent-of-code-2017-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw4tson%2Fadvent-of-code-2017-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac8ad2f06312bdf2192741bd10ac71eb5e29b197
[INFO] testing w4tson/advent-of-code-2017-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw4tson%2Fadvent-of-code-2017-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/w4tson/advent-of-code-2017-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/w4tson/advent-of-code-2017-rust
[INFO] finished tweaking git repo https://github.com/w4tson/advent-of-code-2017-rust
[INFO] tweaked toml for git repo https://github.com/w4tson/advent-of-code-2017-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/w4tson/advent-of-code-2017-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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 regex-syntax v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41cef9cbf54de1e6623d94a28c46a86b166b3e3b0d981e8ee9296fccd6d415fb
[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" "41cef9cbf54de1e6623d94a28c46a86b166b3e3b0d981e8ee9296fccd6d415fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41cef9cbf54de1e6623d94a28c46a86b166b3e3b0d981e8ee9296fccd6d415fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cef9cbf54de1e6623d94a28c46a86b166b3e3b0d981e8ee9296fccd6d415fb", kill_on_drop: false }`
[INFO] [stdout] 41cef9cbf54de1e6623d94a28c46a86b166b3e3b0d981e8ee9296fccd6d415fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f3b39c3a26f798bcddfa974af07a0f659145b129e0b2841a73149d2840e267
[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" "19f3b39c3a26f798bcddfa974af07a0f659145b129e0b2841a73149d2840e267", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling spectral v0.6.0
[INFO] [stderr]    Compiling aoc2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(swap_with_slice)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_flatten)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generators, generator_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day7/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     lazy_static! {
[INFO] [stdout] 28 | |         static ref NODE_REGEX: Regex = Regex::new(r"^(\w+)\s+\((\d+)\)(\s+->\s+(\w+)(,\s*\w+)*)?").unwrap();
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day8/mod.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | /     lazy_static! {
[INFO] [stdout] 86 | |         static ref NODE_REGEX: Regex = Regex::new(r"^(\w+) (inc|dec) ([-0-9]+) if (\w+) ([<>=!]{1,2}) ([-0-9]+)$").unwrap();
[INFO] [stdout] 87 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/utils/file/mod.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/utils/file/mod.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for generator `[generator@src/day15/mod.rs:10:25: 13:6]` in the current scope
[INFO] [stdout]   --> src/day15/mod.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |     match generator.resume() {
[INFO] [stdout]    |                     ^^^^^^ method not found in `[generator@src/day15/mod.rs:10:25: 13:6]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for generator `[generator@src/day15/mod.rs:10:25: 13:6]` in the current scope
[INFO] [stdout]   --> src/day15/mod.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     match generator.resume() {
[INFO] [stdout]    |                     ^^^^^^ method not found in `[generator@src/day15/mod.rs:10:25: 13:6]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside generator must be known in this context
[INFO] [stdout]   --> src/day15/mod.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |         yield 1;
[INFO] [stdout]    |               ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the generator because of this `yield`
[INFO] [stdout]   --> src/day15/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         yield 1;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Generator`
[INFO] [stdout]  --> src/day15/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2017`
[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" "19f3b39c3a26f798bcddfa974af07a0f659145b129e0b2841a73149d2840e267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f3b39c3a26f798bcddfa974af07a0f659145b129e0b2841a73149d2840e267", kill_on_drop: false }`
[INFO] [stdout] 19f3b39c3a26f798bcddfa974af07a0f659145b129e0b2841a73149d2840e267