[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fweenotify" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/weenotify on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-104/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.3
[INFO] [stderr]   Downloaded take_mut v0.1.3
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded mio v0.6.6
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded objc_id v0.1.0
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded serde_derive v1.0.0
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded serde v0.9.14
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded notify-rust v3.3.0
[INFO] [stderr]   Downloaded clap v2.23.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded base64 v0.4.1
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded net2 v0.2.27
[INFO] [stderr]   Downloaded serde v1.0.0
[INFO] [stderr]   Downloaded bytes v0.4.2
[INFO] [stderr]   Downloaded objc-foundation v0.1.1
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded futures v0.1.13
[INFO] [stderr]   Downloaded serde_json v1.0.0
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.0
[INFO] [stderr]   Downloaded tokio-core v0.1.6
[INFO] [stderr]   Downloaded dbus v0.4.1
[INFO] [stderr]   Downloaded slog-async v2.0.1
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded iovec v0.1.0
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded quick-error v1.1.0
[INFO] [stderr]   Downloaded tokio-io v0.1.1
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded serde_derive v0.9.14
[INFO] [stderr]   Downloaded amq-protocol-types v0.16.0
[INFO] [stderr]   Downloaded config v0.4.1
[INFO] [stderr]   Downloaded amq-protocol v0.15.0
[INFO] [stderr]   Downloaded cookie-factory v0.2.0
[INFO] [stderr]   Downloaded slog-term v2.0.0-4.0
[INFO] [stderr]   Downloaded uuid v0.5.0
[INFO] [stderr]   Downloaded amq-protocol-codegen v0.24.0
[INFO] [stderr]   Downloaded tokio-timer v0.1.1
[INFO] [stderr]   Downloaded mac-notification-sys v0.1.2
[INFO] [stderr]   Downloaded handlebars v0.25.3
[INFO] [stderr]   Downloaded sasl v0.4.0
[INFO] [stderr]   Downloaded slog v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9724b4a2eef0d64a44e8e3f33d182a83ee1e47259ce8defbb172bc9e548635a1
[INFO] running `Command { std: "docker" "start" "-a" "9724b4a2eef0d64a44e8e3f33d182a83ee1e47259ce8defbb172bc9e548635a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9724b4a2eef0d64a44e8e3f33d182a83ee1e47259ce8defbb172bc9e548635a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9724b4a2eef0d64a44e8e3f33d182a83ee1e47259ce8defbb172bc9e548635a1", kill_on_drop: false }`
[INFO] [stdout] 9724b4a2eef0d64a44e8e3f33d182a83ee1e47259ce8defbb172bc9e548635a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06eccf3dc96457fb9dc4650e0f7ad8d4bf8446b9f204ab23afce21c814a438f1
[INFO] running `Command { std: "docker" "start" "-a" "06eccf3dc96457fb9dc4650e0f7ad8d4bf8446b9f204ab23afce21c814a438f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling cookie-factory v0.2.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling futures v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling slog v2.0.2
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling serde v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling take_mut v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[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] [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" "06eccf3dc96457fb9dc4650e0f7ad8d4bf8446b9f204ab23afce21c814a438f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06eccf3dc96457fb9dc4650e0f7ad8d4bf8446b9f204ab23afce21c814a438f1", kill_on_drop: false }`
[INFO] [stdout] 06eccf3dc96457fb9dc4650e0f7ad8d4bf8446b9f204ab23afce21c814a438f1