[INFO] cloning repository https://github.com/Pyxxil/AdventOfCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pyxxil/AdventOfCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyxxil%2FAdventOfCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyxxil%2FAdventOfCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e74409464eb2efe4f9d153e8678d5fd868ba7113
[INFO] testing Pyxxil/AdventOfCode against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyxxil%2FAdventOfCode" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pyxxil/AdventOfCode on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pyxxil/AdventOfCode
[INFO] finished tweaking git repo https://github.com/Pyxxil/AdventOfCode
[INFO] tweaked toml for git repo https://github.com/Pyxxil/AdventOfCode written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/Pyxxil/AdventOfCode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 705dccf23921a2d9ec817f73287c001c308c119740c47c58153d5929e04a4835
[INFO] running `Command { std: "docker" "start" "-a" "705dccf23921a2d9ec817f73287c001c308c119740c47c58153d5929e04a4835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705dccf23921a2d9ec817f73287c001c308c119740c47c58153d5929e04a4835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705dccf23921a2d9ec817f73287c001c308c119740c47c58153d5929e04a4835", kill_on_drop: false }`
[INFO] [stdout] 705dccf23921a2d9ec817f73287c001c308c119740c47c58153d5929e04a4835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9ebf8c8bb57dc735a06ad1b10735facc429484e4b05301ffaa2d91589c0f189
[INFO] running `Command { std: "docker" "start" "-a" "b9ebf8c8bb57dc735a06ad1b10735facc429484e4b05301ffaa2d91589c0f189", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling calendar 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(destructuring_assignment)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calendar` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b9ebf8c8bb57dc735a06ad1b10735facc429484e4b05301ffaa2d91589c0f189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ebf8c8bb57dc735a06ad1b10735facc429484e4b05301ffaa2d91589c0f189", kill_on_drop: false }`
[INFO] [stdout] b9ebf8c8bb57dc735a06ad1b10735facc429484e4b05301ffaa2d91589c0f189