[INFO] fetching crate sysfs-serde 0.2.3...
[INFO] checking sysfs-serde-0.2.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate sysfs-serde 0.2.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sysfs-serde 0.2.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 64cbe2b470ba5b78f8411ea9c85b8e8144c4832da972bacce59a0ada7ea1d692
[INFO] running `Command { std: "docker" "start" "-a" "64cbe2b470ba5b78f8411ea9c85b8e8144c4832da972bacce59a0ada7ea1d692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64cbe2b470ba5b78f8411ea9c85b8e8144c4832da972bacce59a0ada7ea1d692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cbe2b470ba5b78f8411ea9c85b8e8144c4832da972bacce59a0ada7ea1d692", kill_on_drop: false }`
[INFO] [stdout] 64cbe2b470ba5b78f8411ea9c85b8e8144c4832da972bacce59a0ada7ea1d692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43097253daca7a66d73710c97c3de9f8f72c11524faaa5f50c420abb3599915b
[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" "43097253daca7a66d73710c97c3de9f8f72c11524faaa5f50c420abb3599915b", 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]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking sysfs-serde v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[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]     ::: /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]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, UsbAttributes>`
[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]     ::: /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]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, PciAttributes>`
[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]     ::: /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]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, GenericClassAttributes>`
[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]     ::: /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]      = note: required because of the requirements on the impl of `serde::ser::Serialize` for `HashMap<std::string::String, GenericClassAttributes>`
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "43097253daca7a66d73710c97c3de9f8f72c11524faaa5f50c420abb3599915b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43097253daca7a66d73710c97c3de9f8f72c11524faaa5f50c420abb3599915b", kill_on_drop: false }`
[INFO] [stdout] 43097253daca7a66d73710c97c3de9f8f72c11524faaa5f50c420abb3599915b