[INFO] cloning repository https://github.com/sphynx/aoc-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sphynx/aoc-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Faoc-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Faoc-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85bde8e42d73443903f79c4bb2f537fb9881af33
[INFO] checking sphynx/aoc-2019 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Faoc-2019" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sphynx/aoc-2019 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sphynx/aoc-2019
[INFO] finished tweaking git repo https://github.com/sphynx/aoc-2019
[INFO] tweaked toml for git repo https://github.com/sphynx/aoc-2019 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sphynx/aoc-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f9a635bbc67b2ecf7e0392aad96a96185d460ecd25d5bdf19ff82661e35ff41
[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" "1f9a635bbc67b2ecf7e0392aad96a96185d460ecd25d5bdf19ff82661e35ff41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f9a635bbc67b2ecf7e0392aad96a96185d460ecd25d5bdf19ff82661e35ff41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9a635bbc67b2ecf7e0392aad96a96185d460ecd25d5bdf19ff82661e35ff41", kill_on_drop: false }`
[INFO] [stdout] 1f9a635bbc67b2ecf7e0392aad96a96185d460ecd25d5bdf19ff82661e35ff41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3656b309de161dce8bec6c4630fe9d92479357835f3cb69d174d00395df0aee
[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" "b3656b309de161dce8bec6c4630fe9d92479357835f3cb69d174d00395df0aee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking aoc-2019 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(is_sorted)]
[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(toowned_clone_into)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc-2019`
[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" "b3656b309de161dce8bec6c4630fe9d92479357835f3cb69d174d00395df0aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3656b309de161dce8bec6c4630fe9d92479357835f3cb69d174d00395df0aee", kill_on_drop: false }`
[INFO] [stdout] b3656b309de161dce8bec6c4630fe9d92479357835f3cb69d174d00395df0aee