[INFO] cloning repository https://github.com/rust-community/rust-campaigns-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-community/rust-campaigns-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-community%2Frust-campaigns-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-community%2Frust-campaigns-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c79d5e3779b03e4fb74b44200b9421a796d91a3
[INFO] testing rust-community/rust-campaigns-server 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%2Frust-community%2Frust-campaigns-server" "/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/rust-community/rust-campaigns-server 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/rust-community/rust-campaigns-server
[INFO] finished tweaking git repo https://github.com/rust-community/rust-campaigns-server
[INFO] tweaked toml for git repo https://github.com/rust-community/rust-campaigns-server written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-community/rust-campaigns-server 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]  Downloading crates ...
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded state v0.3.1
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded ordermap v0.2.10
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded pear v0.0.10
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.26
[INFO] [stderr]   Downloaded backtrace-sys v0.1.11
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded rocket_contrib v0.3.0
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.1.0
[INFO] [stderr]   Downloaded derive-error-chain v0.10.1
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded isatty v0.1.3
[INFO] [stderr]   Downloaded rocket v0.3.0
[INFO] [stderr]   Downloaded cookie v0.9.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.0
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded dotenv v0.10.1
[INFO] [stderr]   Downloaded pq-sys v0.4.4
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded textwrap v0.6.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded r2d2-diesel v0.14.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded humansize v1.0.1
[INFO] [stderr]   Downloaded futures v0.1.14
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded unidecode v0.2.0
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded r2d2 v0.7.3
[INFO] [stderr]   Downloaded untrusted v0.5.0
[INFO] [stderr]   Downloaded yansi v0.3.0
[INFO] [stderr]   Downloaded coco v0.1.1
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded pear_codegen v0.0.10
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded diesel v0.14.1
[INFO] [stderr]   Downloaded diesel_codegen v0.14.0
[INFO] [stderr]   Downloaded backtrace v0.3.2
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.4
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded slug v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.26
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] [stderr]   Downloaded smallvec v0.4.1
[INFO] [stderr]   Downloaded toml v0.4.2
[INFO] [stderr]   Downloaded clap v2.25.1
[INFO] [stderr]   Downloaded tera v0.10.8
[INFO] [stderr]   Downloaded diesel_infer_schema v0.14.0
[INFO] [stderr]   Downloaded serde_derive v1.0.10
[INFO] [stderr]   Downloaded serde v1.0.10
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87b0aa3720ea2c83f53f69678ca01e98516e413a0a2feca912781488c92f0985
[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" "87b0aa3720ea2c83f53f69678ca01e98516e413a0a2feca912781488c92f0985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87b0aa3720ea2c83f53f69678ca01e98516e413a0a2feca912781488c92f0985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b0aa3720ea2c83f53f69678ca01e98516e413a0a2feca912781488c92f0985", kill_on_drop: false }`
[INFO] [stdout] 87b0aa3720ea2c83f53f69678ca01e98516e413a0a2feca912781488c92f0985
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb0334083850311319ac795ddb102ca9e929fe02d92f7022ed0b98a938c4a1d8
[INFO] running `Command { std: "docker" "start" "-a" "bb0334083850311319ac795ddb102ca9e929fe02d92f7022ed0b98a938c4a1d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling yansi v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.0/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_fn))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling untrusted v0.5.0
[INFO] [stderr]    Compiling safemem v0.2.0
[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 `yansi`
[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" "bb0334083850311319ac795ddb102ca9e929fe02d92f7022ed0b98a938c4a1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0334083850311319ac795ddb102ca9e929fe02d92f7022ed0b98a938c4a1d8", kill_on_drop: false }`
[INFO] [stdout] bb0334083850311319ac795ddb102ca9e929fe02d92f7022ed0b98a938c4a1d8