[INFO] fetching crate cargo-credential-macos-keychain 0.1.0...
[INFO] testing cargo-credential-macos-keychain-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-credential-macos-keychain 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cargo-credential-macos-keychain 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-credential-macos-keychain 0.1.0
[INFO] finished tweaking crates.io crate cargo-credential-macos-keychain 0.1.0
[INFO] tweaked toml for crates.io crate cargo-credential-macos-keychain 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate cargo-credential-macos-keychain 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76d74205adb1f79d981a40224ddc0b73953898394218e83f2ad85236f53a2f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a76d74205adb1f79d981a40224ddc0b73953898394218e83f2ad85236f53a2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76d74205adb1f79d981a40224ddc0b73953898394218e83f2ad85236f53a2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76d74205adb1f79d981a40224ddc0b73953898394218e83f2ad85236f53a2f6", kill_on_drop: false }`
[INFO] [stdout] a76d74205adb1f79d981a40224ddc0b73953898394218e83f2ad85236f53a2f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9d78e9c19355fe2e91737c748c4ccb2bb0089236cf560be34345b33256fbec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c9d78e9c19355fe2e91737c748c4ccb2bb0089236cf560be34345b33256fbec", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.8.2
[INFO] [stderr]    Compiling cargo-credential v0.1.0
[INFO] [stderr]    Compiling security-framework-sys v2.0.0
[INFO] [stderr]    Compiling core-foundation v0.9.1
[INFO] [stderr]    Compiling security-framework v2.0.0
[INFO] [stderr]    Compiling cargo-credential-macos-keychain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `macos` in `os`
[INFO] [stdout]  --> src/main.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use security_framework::os::macos::keychain::SecKeychain;
[INFO] [stdout]   |                             ^^^^^ could not find `macos` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SecKeychain`
[INFO] [stdout]   --> src/main.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let keychain = SecKeychain::default().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^ use of undeclared type `SecKeychain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SecKeychain`
[INFO] [stdout]   --> src/main.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let keychain = SecKeychain::default().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^ use of undeclared type `SecKeychain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SecKeychain`
[INFO] [stdout]   --> src/main.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let keychain = SecKeychain::default().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^ use of undeclared type `SecKeychain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-credential-macos-keychain`
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8c9d78e9c19355fe2e91737c748c4ccb2bb0089236cf560be34345b33256fbec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9d78e9c19355fe2e91737c748c4ccb2bb0089236cf560be34345b33256fbec", kill_on_drop: false }`
[INFO] [stdout] 8c9d78e9c19355fe2e91737c748c4ccb2bb0089236cf560be34345b33256fbec