[INFO] cloning repository https://github.com/kballard/swift-demangle.alfredworkflow
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kballard/swift-demangle.alfredworkflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Fswift-demangle.alfredworkflow"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Fswift-demangle.alfredworkflow'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e41793a871bbf5530dd7d93e31a2aceff3c20f4c
[INFO] checking kballard/swift-demangle.alfredworkflow against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Fswift-demangle.alfredworkflow" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kballard/swift-demangle.alfredworkflow on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kballard/swift-demangle.alfredworkflow
[INFO] finished tweaking git repo https://github.com/kballard/swift-demangle.alfredworkflow
[INFO] tweaked toml for git repo https://github.com/kballard/swift-demangle.alfredworkflow written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kballard/swift-demangle.alfredworkflow already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ecb11bb5c4b36e33e01b7e26ed3b3bcde2f66621ab42c0ef10b574cf07c33c1b
[INFO] running `"docker" "start" "-a" "ecb11bb5c4b36e33e01b7e26ed3b3bcde2f66621ab42c0ef10b574cf07c33c1b"`
[INFO] [stderr]     Checking alfred v0.2.2
[INFO] [stderr] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alfred-0.2.2/src/lib.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 | use std::borrow::{Cow, IntoCow};
[INFO] [stderr]    |                        ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `unsafe_destructor` in this scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alfred-0.2.2/src/lib.rs:547:3
[INFO] [stderr]     |
[INFO] [stderr] 547 | #[unsafe_destructor]
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `alfred`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ecb11bb5c4b36e33e01b7e26ed3b3bcde2f66621ab42c0ef10b574cf07c33c1b"`
[INFO] running `"docker" "rm" "-f" "ecb11bb5c4b36e33e01b7e26ed3b3bcde2f66621ab42c0ef10b574cf07c33c1b"`
[INFO] [stdout] ecb11bb5c4b36e33e01b7e26ed3b3bcde2f66621ab42c0ef10b574cf07c33c1b