[INFO] fetching crate commander-rust 1.2.1...
[INFO] checking commander-rust-1.2.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate commander-rust 1.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate commander-rust 1.2.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate commander-rust 1.2.1
[INFO] finished tweaking crates.io crate commander-rust 1.2.1
[INFO] tweaked toml for crates.io crate commander-rust 1.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded commander-core v1.2.0
[INFO] [stderr]   Downloaded commander-macros v1.2.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d9cbbb7d3cb0b7041f5fd00dd34965d231ae067fab1d970dec874a4e13a47b5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d9cbbb7d3cb0b7041f5fd00dd34965d231ae067fab1d970dec874a4e13a47b5e"`
[INFO] [stderr]     Checking commander-core v1.2.0
[INFO] [stderr]    Compiling commander-macros v1.2.0
[INFO] [stderr]     Checking commander-rust v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Instance`, `normalize`
[INFO] [stderr]  --> tests/commander-core.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use commander_core::{ Instance, normalize, Raw };
[INFO] [stderr]   |                       ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `borrow_mut` found for type `&mut std::option::Option<for<'r> fn(&'r std::vec::Vec<commander_core::raw::Raw>, commander_core::Cli)>` in the current scope
[INFO] [stderr]   --> examples/cli.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | #[direct(<a> <b> [c] [d])]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `&mut std::option::Option<for<'r> fn(&'r std::vec::Vec<commander_core::raw::Raw>, commander_core::Cli)>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::borrow::BorrowMut;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `commander-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d9cbbb7d3cb0b7041f5fd00dd34965d231ae067fab1d970dec874a4e13a47b5e"`
[INFO] running `"docker" "rm" "-f" "d9cbbb7d3cb0b7041f5fd00dd34965d231ae067fab1d970dec874a4e13a47b5e"`
[INFO] [stdout] d9cbbb7d3cb0b7041f5fd00dd34965d231ae067fab1d970dec874a4e13a47b5e