[INFO] fetching crate zbus-framework 0.1.2...
[INFO] testing zbus-framework-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate zbus-framework 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zbus-framework 0.1.2 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 crates.io crate zbus-framework 0.1.2
[INFO] finished tweaking crates.io crate zbus-framework 0.1.2
[INFO] tweaked toml for crates.io crate zbus-framework 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zbus-lib v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c46eef99fe9b3377216ff9fb0582b78596ed6edfcd7ed4763ab8c0ae75598402
[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" "c46eef99fe9b3377216ff9fb0582b78596ed6edfcd7ed4763ab8c0ae75598402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c46eef99fe9b3377216ff9fb0582b78596ed6edfcd7ed4763ab8c0ae75598402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46eef99fe9b3377216ff9fb0582b78596ed6edfcd7ed4763ab8c0ae75598402", kill_on_drop: false }`
[INFO] [stdout] c46eef99fe9b3377216ff9fb0582b78596ed6edfcd7ed4763ab8c0ae75598402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 0e0c4266e951eea07f04220fcf96354236730824410aeeb13f739f5ccdbad41a
[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" "0e0c4266e951eea07f04220fcf96354236730824410aeeb13f739f5ccdbad41a", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling log4rs v0.12.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling zbus-lib v0.1.6
[INFO] [stderr]    Compiling zbus-framework v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/frame/page.rs:5:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | use serde::export::fmt::Display;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zbus-framework` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0e0c4266e951eea07f04220fcf96354236730824410aeeb13f739f5ccdbad41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0c4266e951eea07f04220fcf96354236730824410aeeb13f739f5ccdbad41a", kill_on_drop: false }`
[INFO] [stdout] 0e0c4266e951eea07f04220fcf96354236730824410aeeb13f739f5ccdbad41a