[INFO] cloning repository https://github.com/BlackCloud37/rust-ftp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlackCloud37/rust-ftp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackCloud37%2Frust-ftp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackCloud37%2Frust-ftp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc01c8f472d73b6d5fc136ce119e9779bd8ecf16
[INFO] checking BlackCloud37/rust-ftp-server against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackCloud37%2Frust-ftp-server" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlackCloud37/rust-ftp-server on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlackCloud37/rust-ftp-server
[INFO] finished tweaking git repo https://github.com/BlackCloud37/rust-ftp-server
[INFO] tweaked toml for git repo https://github.com/BlackCloud37/rust-ftp-server written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/BlackCloud37/rust-ftp-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c71a314ec77ffa9fb8c27edc4e88c1722696219bdb764ba05a132d5bcd47571f
[INFO] running `Command { std: "docker" "start" "-a" "c71a314ec77ffa9fb8c27edc4e88c1722696219bdb764ba05a132d5bcd47571f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71a314ec77ffa9fb8c27edc4e88c1722696219bdb764ba05a132d5bcd47571f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71a314ec77ffa9fb8c27edc4e88c1722696219bdb764ba05a132d5bcd47571f", kill_on_drop: false }`
[INFO] [stdout] c71a314ec77ffa9fb8c27edc4e88c1722696219bdb764ba05a132d5bcd47571f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4484c2e50c5fe65b8392f7e8d6907841fc23b6fc33dda86310ae224071d11e94
[INFO] running `Command { std: "docker" "start" "-a" "4484c2e50c5fe65b8392f7e8d6907841fc23b6fc33dda86310ae224071d11e94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking toy-ftp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(command_access)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(command_access)]
[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] [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 `toy-ftp-server` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4484c2e50c5fe65b8392f7e8d6907841fc23b6fc33dda86310ae224071d11e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4484c2e50c5fe65b8392f7e8d6907841fc23b6fc33dda86310ae224071d11e94", kill_on_drop: false }`
[INFO] [stdout] 4484c2e50c5fe65b8392f7e8d6907841fc23b6fc33dda86310ae224071d11e94
