[INFO] cloning repository https://github.com/mattcl/weenotify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattcl/weenotify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fweenotify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fweenotify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fde27d113254f6c7069d3e4fb359ddaf2042b459
[INFO] testing mattcl/weenotify against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fweenotify" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/weenotify on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattcl/weenotify
[INFO] finished tweaking git repo https://github.com/mattcl/weenotify
[INFO] tweaked toml for git repo https://github.com/mattcl/weenotify written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mattcl/weenotify already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Geal/lapin.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded config v0.4.1
[INFO] [stderr]   Downloaded mac-notification-sys v0.1.2
[INFO] [stderr]   Downloaded dbus v0.4.1
[INFO] [stderr]   Downloaded tokio-core v0.1.6
[INFO] [stderr]   Downloaded serde_json v1.0.0
[INFO] [stderr]   Downloaded take_mut v0.1.3
[INFO] [stderr]   Downloaded bytes v0.4.2
[INFO] [stderr]   Downloaded net2 v0.2.27
[INFO] [stderr]   Downloaded serde_derive v1.0.0
[INFO] [stderr]   Downloaded uuid v0.5.0
[INFO] [stderr]   Downloaded mio v0.6.6
[INFO] [stderr]   Downloaded slog-async v2.0.1
[INFO] [stderr]   Downloaded handlebars v0.25.3
[INFO] [stderr]   Downloaded objc_id v0.1.0
[INFO] [stderr]   Downloaded serde_derive v0.9.14
[INFO] [stderr]   Downloaded base64 v0.4.1
[INFO] [stderr]   Downloaded serde v0.9.14
[INFO] [stderr]   Downloaded notify-rust v3.3.0
[INFO] [stderr]   Downloaded slog-term v2.0.0-4.0
[INFO] [stderr]   Downloaded amq-protocol-types v0.16.0
[INFO] [stderr]   Downloaded amq-protocol-codegen v0.24.0
[INFO] [stderr]   Downloaded amq-protocol v0.15.0
[INFO] [stderr]   Downloaded cookie-factory v0.2.0
[INFO] [stderr]   Downloaded sasl v0.4.0
[INFO] [stderr]   Downloaded slog v2.0.2
[INFO] [stderr]   Downloaded serde v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81190d943f1d5fbc5dfa4baee02e0c22a7c5e9e56b4dcf41c208c3603ede0d12
[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" "81190d943f1d5fbc5dfa4baee02e0c22a7c5e9e56b4dcf41c208c3603ede0d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81190d943f1d5fbc5dfa4baee02e0c22a7c5e9e56b4dcf41c208c3603ede0d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81190d943f1d5fbc5dfa4baee02e0c22a7c5e9e56b4dcf41c208c3603ede0d12", kill_on_drop: false }`
[INFO] [stdout] 81190d943f1d5fbc5dfa4baee02e0c22a7c5e9e56b4dcf41c208c3603ede0d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db32dba119cb2f86c6cd7514ed3639e522f3d48daf7ca543a4c6c41af2f3171e
[INFO] running `Command { std: "docker" "start" "-a" "db32dba119cb2f86c6cd7514ed3639e522f3d48daf7ca543a4c6c41af2f3171e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling cookie-factory v0.2.0
[INFO] [stderr]    Compiling futures v0.1.13
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling slog v2.0.2
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling take_mut v0.1.3
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling serde v1.0.0
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling isatty v0.1.3
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stdout] error[E0446]: private type `NeverStruct` in public interface
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.0.2/src/lib.rs:1003:5
[INFO] [stdout]      |
[INFO] [stdout] 1003 |     type Err = Never;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 2691 | struct NeverStruct(());
[INFO] [stdout]      | ----------------------- `NeverStruct` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `NeverStruct` in public interface
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.0.2/src/lib.rs:1288:5
[INFO] [stdout]      |
[INFO] [stdout] 1288 |     type Err = Never;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 2691 | struct NeverStruct(());
[INFO] [stdout]      | ----------------------- `NeverStruct` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `NeverStruct` in public interface
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.0.2/src/lib.rs:1453:5
[INFO] [stdout]      |
[INFO] [stdout] 1453 |     type Err = Never;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 2691 | struct NeverStruct(());
[INFO] [stdout]      | ----------------------- `NeverStruct` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `NeverStruct` in public interface
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.0.2/src/lib.rs:1485:5
[INFO] [stdout]      |
[INFO] [stdout] 1485 |     type Err = Never;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 2691 | struct NeverStruct(());
[INFO] [stdout]      | ----------------------- `NeverStruct` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "db32dba119cb2f86c6cd7514ed3639e522f3d48daf7ca543a4c6c41af2f3171e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db32dba119cb2f86c6cd7514ed3639e522f3d48daf7ca543a4c6c41af2f3171e", kill_on_drop: false }`
[INFO] [stdout] db32dba119cb2f86c6cd7514ed3639e522f3d48daf7ca543a4c6c41af2f3171e