[INFO] crate commander-rust 1.2.1 is already in cache
[INFO] extracting crate commander-rust 1.2.1 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/commander-rust/1.2.1
[INFO] extracting crate commander-rust 1.2.1 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/commander-rust/1.2.1
[INFO] validating manifest of commander-rust-1.2.1 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of commander-rust-1.2.1 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing commander-rust-1.2.1
[INFO] finished frobbing commander-rust-1.2.1
[INFO] frobbed toml for commander-rust-1.2.1 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/commander-rust/1.2.1/Cargo.toml
[INFO] started frobbing commander-rust-1.2.1
[INFO] finished frobbing commander-rust-1.2.1
[INFO] frobbed toml for commander-rust-1.2.1 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/commander-rust/1.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking commander-rust-1.2.1 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/commander-rust/1.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 360e33a9e6c67be5fcb84853449eb3eb1c15e7846db97db57aaa6e68ec97aeeb
[INFO] running `"docker" "start" "-a" "360e33a9e6c67be5fcb84853449eb3eb1c15e7846db97db57aaa6e68ec97aeeb"`
[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/crater/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]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[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" "360e33a9e6c67be5fcb84853449eb3eb1c15e7846db97db57aaa6e68ec97aeeb"`
[INFO] running `"docker" "rm" "-f" "360e33a9e6c67be5fcb84853449eb3eb1c15e7846db97db57aaa6e68ec97aeeb"`
[INFO] [stdout] 360e33a9e6c67be5fcb84853449eb3eb1c15e7846db97db57aaa6e68ec97aeeb