[INFO] cloning repository https://github.com/FTP-rs/ftp-server-iold-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FTP-rs/ftp-server-iold-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-iold-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-iold-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37558eaf69d09d65141d3cf8649eba78ccc95b51
[INFO] documenting FTP-rs/ftp-server-iold-rs against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-iold-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FTP-rs/ftp-server-iold-rs on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FTP-rs/ftp-server-iold-rs
[INFO] finished tweaking git repo https://github.com/FTP-rs/ftp-server-iold-rs
[INFO] tweaked toml for git repo https://github.com/FTP-rs/ftp-server-iold-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FTP-rs/ftp-server-iold-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48946c37e2af78b708cc1d1625df1ced16b5d6717f1f9c31417a0cc244efc4d1
[INFO] running `Command { std: "docker" "start" "-a" "48946c37e2af78b708cc1d1625df1ced16b5d6717f1f9c31417a0cc244efc4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48946c37e2af78b708cc1d1625df1ced16b5d6717f1f9c31417a0cc244efc4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48946c37e2af78b708cc1d1625df1ced16b5d6717f1f9c31417a0cc244efc4d1", kill_on_drop: false }`
[INFO] [stdout] 48946c37e2af78b708cc1d1625df1ced16b5d6717f1f9c31417a0cc244efc4d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28edcc32de0e1818f395ad1ad68c22082385c9282717a797a5fbe8997e46dbee
[INFO] running `Command { std: "docker" "start" "-a" "28edcc32de0e1818f395ad1ad68c22082385c9282717a797a5fbe8997e46dbee", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking iold v0.1.0 (https://github.com/antoyo/iold#47f28d46)
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(generators, generator_trait)]
[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/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(generators, generator_trait)]
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for struct `Box<(dyn Generator<Return = (), Yield = YieldValue> + 'static)>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:307:38
[INFO] [stdout]     |
[INFO] [stdout] 307 |             match unsafe { generator.resume() } {
[INFO] [stdout]     |                                      ^^^^^^ method not found in `Box<dyn Generator<Return = (), Yield = YieldValue>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for type parameter `G` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:325:38
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn run<G: Generator<Yield=YieldValue>>(&mut self, mut generator: G) -> io::Result<G::Return> {
[INFO] [stdout]     |                - method `resume` not found for this type parameter
[INFO] [stdout] 324 |         loop {
[INFO] [stdout] 325 |             match unsafe { generator.resume() } {
[INFO] [stdout]     |                                      ^^^^^^ method not found in `G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for struct `Box<dyn Generator<Return = (), Yield = YieldValue>>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/iold-7ce8c4fe751820af/47f28d4/src/lib.rs:335:49
[INFO] [stdout]     |
[INFO] [stdout] 335 | ...                   match unsafe { task.resume() } {
[INFO] [stdout]     |                                           ^^^^^^ method not found in `Box<dyn Generator<Return = (), Yield = YieldValue>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iold` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "28edcc32de0e1818f395ad1ad68c22082385c9282717a797a5fbe8997e46dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28edcc32de0e1818f395ad1ad68c22082385c9282717a797a5fbe8997e46dbee", kill_on_drop: false }`
[INFO] [stdout] 28edcc32de0e1818f395ad1ad68c22082385c9282717a797a5fbe8997e46dbee
