[INFO] cloning repository https://github.com/lidavidm/i_am_what_i_eat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lidavidm/i_am_what_i_eat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flidavidm%2Fi_am_what_i_eat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flidavidm%2Fi_am_what_i_eat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0248d69a2d16755eeaed9f13a49b82679935f44
[INFO] testing lidavidm/i_am_what_i_eat 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%2Flidavidm%2Fi_am_what_i_eat" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lidavidm/i_am_what_i_eat 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/lidavidm/i_am_what_i_eat
[INFO] finished tweaking git repo https://github.com/lidavidm/i_am_what_i_eat
[INFO] tweaked toml for git repo https://github.com/lidavidm/i_am_what_i_eat written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/lidavidm/i_am_what_i_eat 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]     Updating git repository `https://github.com/SergioBenitez/Rocket`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diesel_codegen v0.13.0
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.1.0
[INFO] [stderr]   Downloaded version_check v0.1.0
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded diesel_infer_schema v0.13.0
[INFO] [stderr]   Downloaded r2d2-diesel v0.13.0
[INFO] [stderr]   Downloaded untrusted v0.5.0
[INFO] [stderr]   Downloaded num_cpus v1.4.0
[INFO] [stderr]   Downloaded httparse v1.2.2
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded state v0.2.1
[INFO] [stderr]   Downloaded gcc v0.3.49
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded r2d2 v0.7.2
[INFO] [stderr]   Downloaded thread-id v3.1.0
[INFO] [stderr]   Downloaded chrono v0.3.1
[INFO] [stderr]   Downloaded mime v0.2.4
[INFO] [stderr]   Downloaded url v1.4.0
[INFO] [stderr]   Downloaded hyper v0.10.10
[INFO] [stderr]   Downloaded libc v0.2.23
[INFO] [stderr]   Downloaded dotenv v0.9.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.4
[INFO] [stderr]   Downloaded ordermap v0.2.10
[INFO] [stderr]   Downloaded deque v0.3.2
[INFO] [stderr]   Downloaded rayon-core v1.0.0
[INFO] [stderr]   Downloaded ring v0.9.7
[INFO] [stderr]   Downloaded libsqlite3-sys v0.8.0
[INFO] [stderr]   Downloaded pear v0.0.8
[INFO] [stderr]   Downloaded diesel v0.13.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.2
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded serde_derive v1.0.8
[INFO] [stderr]   Downloaded pear_codegen v0.0.8
[INFO] [stderr]   Downloaded cookie v0.8.1
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded serde v1.0.8
[INFO] [stderr]   Downloaded smallvec v0.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded rayon v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9466e7288449906fce486af32d24eec2084fba0d45128cea68eaf32eb0d01140
[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" "9466e7288449906fce486af32d24eec2084fba0d45128cea68eaf32eb0d01140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9466e7288449906fce486af32d24eec2084fba0d45128cea68eaf32eb0d01140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9466e7288449906fce486af32d24eec2084fba0d45128cea68eaf32eb0d01140", kill_on_drop: false }`
[INFO] [stdout] 9466e7288449906fce486af32d24eec2084fba0d45128cea68eaf32eb0d01140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 913e9666b7455a8d32e380df77f122a99dbb071a5eb841db191e1911b945754e
[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" "913e9666b7455a8d32e380df77f122a99dbb071a5eb841db191e1911b945754e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling gcc v0.3.49
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling untrusted v0.5.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling httparse v1.2.2
[INFO] [stderr]    Compiling pear v0.0.8
[INFO] [stderr]    Compiling state v0.2.1
[INFO] [stderr]    Compiling toml v0.2.1
[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/state-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[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]    Compiling utf8-ranges v1.0.0
[INFO] [stderr] error: could not compile `state`
[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" "913e9666b7455a8d32e380df77f122a99dbb071a5eb841db191e1911b945754e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913e9666b7455a8d32e380df77f122a99dbb071a5eb841db191e1911b945754e", kill_on_drop: false }`
[INFO] [stdout] 913e9666b7455a8d32e380df77f122a99dbb071a5eb841db191e1911b945754e