[INFO] cloning repository https://github.com/andraantariksa/foc212-ketikode-executor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andraantariksa/foc212-ketikode-executor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandraantariksa%2Ffoc212-ketikode-executor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandraantariksa%2Ffoc212-ketikode-executor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1da421b1021124ca48c6ce23b3eb7960ea4b675
[INFO] documenting andraantariksa/foc212-ketikode-executor against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandraantariksa%2Ffoc212-ketikode-executor" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andraantariksa/foc212-ketikode-executor on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andraantariksa/foc212-ketikode-executor
[INFO] finished tweaking git repo https://github.com/andraantariksa/foc212-ketikode-executor
[INFO] tweaked toml for git repo https://github.com/andraantariksa/foc212-ketikode-executor written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/andraantariksa/foc212-ketikode-executor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] [stderr]   Downloaded yansi v0.4.0
[INFO] [stderr]   Downloaded filetime v0.2.7
[INFO] [stderr]   Downloaded notify v4.0.13
[INFO] [stderr]   Downloaded safemem v0.3.2
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded rocket_codegen v0.4.2
[INFO] [stderr]   Downloaded rocket v0.4.2
[INFO] [stderr]   Downloaded rocket_contrib v0.4.2
[INFO] [stderr]   Downloaded rocket_http v0.4.2
[INFO] [stderr]   Downloaded cookie v0.11.1
[INFO] [stderr]   Downloaded serde v1.0.100
[INFO] [stderr]   Downloaded pear_codegen v0.1.2
[INFO] [stderr]   Downloaded pear v0.1.2
[INFO] [stderr]   Downloaded ring v0.13.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04c10a0c29b25f9e73e5f79a3cd70e99ed70bb54b0533097173a5c90892796c1
[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" "04c10a0c29b25f9e73e5f79a3cd70e99ed70bb54b0533097173a5c90892796c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c10a0c29b25f9e73e5f79a3cd70e99ed70bb54b0533097173a5c90892796c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c10a0c29b25f9e73e5f79a3cd70e99ed70bb54b0533097173a5c90892796c1", kill_on_drop: false }`
[INFO] [stdout] 04c10a0c29b25f9e73e5f79a3cd70e99ed70bb54b0533097173a5c90892796c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f75477fda07458a129f2918beef633ce18827a06ef311b9bbf1229970c13ae3f
[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" "f75477fda07458a129f2918beef633ce18827a06ef311b9bbf1229970c13ae3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking serde v1.0.100
[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/devise_core-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/devise_core-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/devise_core-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stdout] error: aborting due to 3 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 `devise_core` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f75477fda07458a129f2918beef633ce18827a06ef311b9bbf1229970c13ae3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75477fda07458a129f2918beef633ce18827a06ef311b9bbf1229970c13ae3f", kill_on_drop: false }`
[INFO] [stdout] f75477fda07458a129f2918beef633ce18827a06ef311b9bbf1229970c13ae3f
