[INFO] cloning repository https://github.com/Can221-ParOS/rust-webserv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Can221-ParOS/rust-webserv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCan221-ParOS%2Frust-webserv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCan221-ParOS%2Frust-webserv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 576ae03355382cb95d4c43d46285a41974834520
[INFO] checking Can221-ParOS/rust-webserv against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCan221-ParOS%2Frust-webserv" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  77% (238/307)   
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Checking out files: 100% (307/307), done.
[INFO] validating manifest of git repo https://github.com/Can221-ParOS/rust-webserv 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/Can221-ParOS/rust-webserv
[INFO] finished tweaking git repo https://github.com/Can221-ParOS/rust-webserv
[INFO] tweaked toml for git repo https://github.com/Can221-ParOS/rust-webserv written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Can221-ParOS/rust-webserv 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 net v0.1.0
[INFO] [stderr]   Downloaded thread v0.1.0
[INFO] [stderr]   Downloaded sync v0.1.0
[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" "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] cc96cb7a32231a81d65832e62b4215f2abc527297debf465ffae5130798952d4
[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" "cc96cb7a32231a81d65832e62b4215f2abc527297debf465ffae5130798952d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc96cb7a32231a81d65832e62b4215f2abc527297debf465ffae5130798952d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc96cb7a32231a81d65832e62b4215f2abc527297debf465ffae5130798952d4", kill_on_drop: false }`
[INFO] [stdout] cc96cb7a32231a81d65832e62b4215f2abc527297debf465ffae5130798952d4
[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" "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] [stdout] 1aa90541f11d030106ccb1e982ec906fc6ff9a17a98456e2a78b2d63f5dc4d50
[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" "1aa90541f11d030106ccb1e982ec906fc6ff9a17a98456e2a78b2d63f5dc4d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking thread v0.1.0
[INFO] [stderr]     Checking sync v0.1.0
[INFO] [stderr]     Checking io v0.0.2
[INFO] [stderr]     Checking net v0.1.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[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/sync-0.1.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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] error: could not compile `sync`.
[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" "1aa90541f11d030106ccb1e982ec906fc6ff9a17a98456e2a78b2d63f5dc4d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa90541f11d030106ccb1e982ec906fc6ff9a17a98456e2a78b2d63f5dc4d50", kill_on_drop: false }`
[INFO] [stdout] 1aa90541f11d030106ccb1e982ec906fc6ff9a17a98456e2a78b2d63f5dc4d50
