[INFO] fetching crate desim 0.2.0...
[INFO] testing desim-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate desim 0.2.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate desim 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desim 0.2.0
[INFO] finished tweaking crates.io crate desim 0.2.0
[INFO] tweaked toml for crates.io crate desim 0.2.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate desim 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afaaa1f5000008906d5f2a732888c95838f21c61c51fb6f3c18d3a6fbe61f2dc
[INFO] running `Command { std: "docker" "start" "-a" "afaaa1f5000008906d5f2a732888c95838f21c61c51fb6f3c18d3a6fbe61f2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afaaa1f5000008906d5f2a732888c95838f21c61c51fb6f3c18d3a6fbe61f2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afaaa1f5000008906d5f2a732888c95838f21c61c51fb6f3c18d3a6fbe61f2dc", kill_on_drop: false }`
[INFO] [stdout] afaaa1f5000008906d5f2a732888c95838f21c61c51fb6f3c18d3a6fbe61f2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63206f46c07e9bba72a71d34a604f579d29cb66e4e34f43f1a456f13911a5347
[INFO] running `Command { std: "docker" "start" "-a" "63206f46c07e9bba72a71d34a604f579d29cb66e4e34f43f1a456f13911a5347", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling desim v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | #![feature(generators, generator_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:129:30
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn set_effect(&mut self, Effect);
[INFO] [stdout]     |                              ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Effect`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desim` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "63206f46c07e9bba72a71d34a604f579d29cb66e4e34f43f1a456f13911a5347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63206f46c07e9bba72a71d34a604f579d29cb66e4e34f43f1a456f13911a5347", kill_on_drop: false }`
[INFO] [stdout] 63206f46c07e9bba72a71d34a604f579d29cb66e4e34f43f1a456f13911a5347