[INFO] fetching crate greentask 0.2.0...
[INFO] testing greentask-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate greentask 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate greentask 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate greentask 0.2.0
[INFO] finished tweaking crates.io crate greentask 0.2.0
[INFO] tweaked toml for crates.io crate greentask 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c11953ff4a11c2f6945df98a5522f64b73a9ebc29425824fe90332f93a702c
[INFO] running `Command { std: "docker" "start" "-a" "05c11953ff4a11c2f6945df98a5522f64b73a9ebc29425824fe90332f93a702c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c11953ff4a11c2f6945df98a5522f64b73a9ebc29425824fe90332f93a702c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c11953ff4a11c2f6945df98a5522f64b73a9ebc29425824fe90332f93a702c", kill_on_drop: false }`
[INFO] [stdout] 05c11953ff4a11c2f6945df98a5522f64b73a9ebc29425824fe90332f93a702c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa4459127b5771a10e47a777727961e7b8b4215755fdd48fba37084d377c2db
[INFO] running `Command { std: "docker" "start" "-a" "5fa4459127b5771a10e47a777727961e7b8b4215755fdd48fba37084d377c2db", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]    Compiling coroutine v0.8.0
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coroutine-0.8.0/src/asymmetric.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::boxed::FnBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[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/coroutine-0.8.0/src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(fnbox)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `fnbox`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coroutine-0.8.0/src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(fnbox)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coroutine` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5fa4459127b5771a10e47a777727961e7b8b4215755fdd48fba37084d377c2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa4459127b5771a10e47a777727961e7b8b4215755fdd48fba37084d377c2db", kill_on_drop: false }`
[INFO] [stdout] 5fa4459127b5771a10e47a777727961e7b8b4215755fdd48fba37084d377c2db