[INFO] fetching crate sysfs-serde 0.2.3...
[INFO] testing sysfs-serde-0.2.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sysfs-serde 0.2.3 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate sysfs-serde 0.2.3 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 sysfs-serde 0.2.3
[INFO] finished tweaking crates.io crate sysfs-serde 0.2.3
[INFO] tweaked toml for crates.io crate sysfs-serde 0.2.3 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate sysfs-serde 0.2.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 476224b866a58fd9953429ab1f56354c9ece37fa04503327190825ce74f2ccf5
[INFO] running `Command { std: "docker" "start" "-a" "476224b866a58fd9953429ab1f56354c9ece37fa04503327190825ce74f2ccf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "476224b866a58fd9953429ab1f56354c9ece37fa04503327190825ce74f2ccf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476224b866a58fd9953429ab1f56354c9ece37fa04503327190825ce74f2ccf5", kill_on_drop: false }`
[INFO] [stdout] 476224b866a58fd9953429ab1f56354c9ece37fa04503327190825ce74f2ccf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 83bed3f55c32fee45fa22dce2840b6fc114238f25e5ea42c06c913505a78c8f9
[INFO] running `Command { std: "docker" "start" "-a" "83bed3f55c32fee45fa22dce2840b6fc114238f25e5ea42c06c913505a78c8f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysfs-serde v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "83bed3f55c32fee45fa22dce2840b6fc114238f25e5ea42c06c913505a78c8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83bed3f55c32fee45fa22dce2840b6fc114238f25e5ea42c06c913505a78c8f9", kill_on_drop: false }`
[INFO] [stdout] 83bed3f55c32fee45fa22dce2840b6fc114238f25e5ea42c06c913505a78c8f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b89d084367dcbbfda46e118095b377425f3d88cac4c513bbd0a1abde4a7be4df
[INFO] running `Command { std: "docker" "start" "-a" "b89d084367dcbbfda46e118095b377425f3d88cac4c513bbd0a1abde4a7be4df", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling sysfs-serde v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `UsbAttributes: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/enumerate.rs:5:49
[INFO] [stdout]      |
[INFO] [stdout] 5    |     println!("{}", serde_json::to_string_pretty(&p).unwrap());
[INFO] [stdout]      |                                                 ^^ the trait `serde::ser::Serialize` is not implemented for `UsbAttributes`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, UsbAttributes>`
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2240:17
[INFO] [stdout]      |
[INFO] [stdout] 2240 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `PciAttributes: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/enumerate.rs:7:49
[INFO] [stdout]      |
[INFO] [stdout] 7    |     println!("{}", serde_json::to_string_pretty(&p).unwrap());
[INFO] [stdout]      |                                                 ^^ the trait `serde::ser::Serialize` is not implemented for `PciAttributes`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, PciAttributes>`
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2240:17
[INFO] [stdout]      |
[INFO] [stdout] 2240 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `GenericClassAttributes: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/enumerate.rs:9:49
[INFO] [stdout]      |
[INFO] [stdout] 9    |     println!("{}", serde_json::to_string_pretty(&p).unwrap());
[INFO] [stdout]      |                                                 ^^ the trait `serde::ser::Serialize` is not implemented for `GenericClassAttributes`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, GenericClassAttributes>`
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2240:17
[INFO] [stdout]      |
[INFO] [stdout] 2240 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `GenericClassAttributes: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/enumerate.rs:11:49
[INFO] [stdout]      |
[INFO] [stdout] 11   |     println!("{}", serde_json::to_string_pretty(&p).unwrap());
[INFO] [stdout]      |                                                 ^^ the trait `serde::ser::Serialize` is not implemented for `GenericClassAttributes`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, GenericClassAttributes>`
[INFO] [stdout] note: required by a bound in `to_string_pretty`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2240:17
[INFO] [stdout]      |
[INFO] [stdout] 2240 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string_pretty`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sysfs-serde` 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" "b89d084367dcbbfda46e118095b377425f3d88cac4c513bbd0a1abde4a7be4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89d084367dcbbfda46e118095b377425f3d88cac4c513bbd0a1abde4a7be4df", kill_on_drop: false }`
[INFO] [stdout] b89d084367dcbbfda46e118095b377425f3d88cac4c513bbd0a1abde4a7be4df