[INFO] fetching crate greentask 0.2.0...
[INFO] checking greentask-0.2.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate greentask 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate greentask 0.2.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coroutine v0.8.0
[INFO] [stderr]   Downloaded context v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95b7df96573652a5c40818c2a991dbe1940fba818121107d20744217f041ed66
[INFO] running `Command { std: "docker" "start" "-a" "95b7df96573652a5c40818c2a991dbe1940fba818121107d20744217f041ed66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b7df96573652a5c40818c2a991dbe1940fba818121107d20744217f041ed66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b7df96573652a5c40818c2a991dbe1940fba818121107d20744217f041ed66", kill_on_drop: false }`
[INFO] [stdout] 95b7df96573652a5c40818c2a991dbe1940fba818121107d20744217f041ed66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2517e88555fd610a48df7828f7aba8dea4cd79b3082912a5b0b5e40004983697
[INFO] running `Command { std: "docker" "start" "-a" "2517e88555fd610a48df7828f7aba8dea4cd79b3082912a5b0b5e40004983697", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]     Checking coroutine v0.8.0
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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[E0635]: unknown feature `fnbox`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/coroutine-0.8.0/src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(fnbox)]
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coroutine` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2517e88555fd610a48df7828f7aba8dea4cd79b3082912a5b0b5e40004983697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2517e88555fd610a48df7828f7aba8dea4cd79b3082912a5b0b5e40004983697", kill_on_drop: false }`
[INFO] [stdout] 2517e88555fd610a48df7828f7aba8dea4cd79b3082912a5b0b5e40004983697