[INFO] cloning repository https://github.com/hnkz/rocket_server_for_portfolio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hnkz/rocket_server_for_portfolio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Frocket_server_for_portfolio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Frocket_server_for_portfolio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0c83d075422954d083ea7e6c633d1a754ec14cf
[INFO] checking hnkz/rocket_server_for_portfolio against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnkz%2Frocket_server_for_portfolio" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hnkz/rocket_server_for_portfolio on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hnkz/rocket_server_for_portfolio
[INFO] finished tweaking git repo https://github.com/hnkz/rocket_server_for_portfolio
[INFO] tweaked toml for git repo https://github.com/hnkz/rocket_server_for_portfolio written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hnkz/rocket_server_for_portfolio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket_contrib v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.37
[INFO] [stderr]   Downloaded regex v0.2.6
[INFO] [stderr]   Downloaded pear v0.0.12
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded state v0.3.3
[INFO] [stderr]   Downloaded rocket_codegen v0.3.6
[INFO] [stderr]   Downloaded serde_json v1.0.10
[INFO] [stderr]   Downloaded unidecode v0.2.0
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded pear_codegen v0.0.12
[INFO] [stderr]   Downloaded rocket v0.3.6
[INFO] [stderr]   Downloaded slug v0.1.2
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded backtrace v0.3.5
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] [stderr]   Downloaded tera v0.10.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3f1b1009bf598afbcaf39d17c62a1b9702dbca4225e25f3c598d4e8a822bc1e
[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" "b3f1b1009bf598afbcaf39d17c62a1b9702dbca4225e25f3c598d4e8a822bc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3f1b1009bf598afbcaf39d17c62a1b9702dbca4225e25f3c598d4e8a822bc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f1b1009bf598afbcaf39d17c62a1b9702dbca4225e25f3c598d4e8a822bc1e", kill_on_drop: false }`
[INFO] [stdout] b3f1b1009bf598afbcaf39d17c62a1b9702dbca4225e25f3c598d4e8a822bc1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--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] d856e5f71379ab81a65f20b3fd6958d6f6a5397342bb67cf442bf7ebeec5aee1
[INFO] running `Command { std: "docker" "start" "-a" "d856e5f71379ab81a65f20b3fd6958d6f6a5397342bb67cf442bf7ebeec5aee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]     Checking unidecode v0.2.0
[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-0.3.4/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smallvec v0.4.4
[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 pear v0.0.12
[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] [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-0.3.4/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[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" "d856e5f71379ab81a65f20b3fd6958d6f6a5397342bb67cf442bf7ebeec5aee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d856e5f71379ab81a65f20b3fd6958d6f6a5397342bb67cf442bf7ebeec5aee1", kill_on_drop: false }`
[INFO] [stdout] d856e5f71379ab81a65f20b3fd6958d6f6a5397342bb67cf442bf7ebeec5aee1
