[INFO] cloning repository https://github.com/PurpleMyst/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PurpleMyst/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleMyst%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleMyst%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9beeefd42581d33c264c3d7e30b5a135cdc06b28
[INFO] checking PurpleMyst/aoc2020 against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleMyst%2Faoc2020" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PurpleMyst/aoc2020 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PurpleMyst/aoc2020
[INFO] finished tweaking git repo https://github.com/PurpleMyst/aoc2020
[INFO] tweaked toml for git repo https://github.com/PurpleMyst/aoc2020 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/PurpleMyst/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", 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] c91cc0bfe4320b08ee9e841afefe14f675fd3ca0faca9e9df5771c8e047621eb
[INFO] running `Command { std: "docker" "start" "-a" "c91cc0bfe4320b08ee9e841afefe14f675fd3ca0faca9e9df5771c8e047621eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c91cc0bfe4320b08ee9e841afefe14f675fd3ca0faca9e9df5771c8e047621eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91cc0bfe4320b08ee9e841afefe14f675fd3ca0faca9e9df5771c8e047621eb", kill_on_drop: false }`
[INFO] [stdout] c91cc0bfe4320b08ee9e841afefe14f675fd3ca0faca9e9df5771c8e047621eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b71be80d1a4e145bd75896f2a43b1684fa2ce9ac6ba640100e8105dd7994ad
[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" "e1b71be80d1a4e145bd75896f2a43b1684fa2ce9ac6ba640100e8105dd7994ad", kill_on_drop: false }`
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking array_iterator v1.2.0
[INFO] [stderr]     Checking static_assert_macro v1.1.0
[INFO] [stderr]     Checking day10 v1.0.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking day22 v0.1.0 (/opt/rustwide/workdir/day22)
[INFO] [stderr]     Checking day05 v1.0.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day11 v1.0.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]     Checking day06 v1.0.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]     Checking day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]     Checking day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]     Checking day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking day25 v0.1.0 (/opt/rustwide/workdir/day25)
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]     Checking day24 v0.1.0 (/opt/rustwide/workdir/day24)
[INFO] [stderr]     Checking day21 v0.1.0 (/opt/rustwide/workdir/day21)
[INFO] [stderr]     Checking day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]     Checking day19 v0.1.0 (/opt/rustwide/workdir/day19)
[INFO] [stderr]     Checking day20 v0.1.0 (/opt/rustwide/workdir/day20)
[INFO] [stderr]     Checking day08 v1.0.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]     Checking day04 v1.0.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]     Checking day09 v1.0.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking day02 v1.0.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day07 v1.0.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking day23 v0.1.0 (/opt/rustwide/workdir/day23)
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> day23/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[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 `day23` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> day23/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "e1b71be80d1a4e145bd75896f2a43b1684fa2ce9ac6ba640100e8105dd7994ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b71be80d1a4e145bd75896f2a43b1684fa2ce9ac6ba640100e8105dd7994ad", kill_on_drop: false }`
[INFO] [stdout] e1b71be80d1a4e145bd75896f2a43b1684fa2ce9ac6ba640100e8105dd7994ad
