[INFO] fetching crate rify 0.7.1...
[INFO] checking rify-0.7.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rify 0.7.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rify 0.7.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rify 0.7.1
[INFO] finished tweaking crates.io crate rify 0.7.1
[INFO] tweaked toml for crates.io crate rify 0.7.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32079e7fabcfb6a1959969a65950ffb4c10b514cfeb2249fd7b6cc90fbf7fffe
[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" "32079e7fabcfb6a1959969a65950ffb4c10b514cfeb2249fd7b6cc90fbf7fffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32079e7fabcfb6a1959969a65950ffb4c10b514cfeb2249fd7b6cc90fbf7fffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32079e7fabcfb6a1959969a65950ffb4c10b514cfeb2249fd7b6cc90fbf7fffe", kill_on_drop: false }`
[INFO] [stdout] 32079e7fabcfb6a1959969a65950ffb4c10b514cfeb2249fd7b6cc90fbf7fffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--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] 242515ea4a4ae24b49080ccf92f405996ec62faf586669e3a57125608f9ddb8f
[INFO] running `Command { std: "docker" "start" "-a" "242515ea4a4ae24b49080ccf92f405996ec62faf586669e3a57125608f9ddb8f", kill_on_drop: false }`
[INFO] [stderr]     Checking rify v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]    --> src/rule.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 486 |         #[derive(Debug, serde::Serialize, serde::Deserialize, PartialEq, Eq)]
[INFO] [stdout]     |                         ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]    --> src/rule.rs:486:43
[INFO] [stdout]     |
[INFO] [stdout] 486 |         #[derive(Debug, serde::Serialize, serde::Deserialize, PartialEq, Eq)]
[INFO] [stdout]     |                                           ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]    --> src/rule.rs:493:19
[INFO] [stdout]     |
[INFO] [stdout] 493 |                 #[serde(skip_serializing_if = "Option::is_none")]
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `for<'de> rule::Rule<std::string::String, Term>: serde::de::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/rule.rs:563:14
[INFO] [stdout]      |
[INFO] [stdout] 563  |             &serde_json::from_value::<Rule::<String, Term>>(jsonrule.clone()).unwrap(),
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'de> serde::de::Deserialize<'de>` is not implemented for `rule::Rule<std::string::String, Term>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/value/mod.rs:1007:8
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     T: DeserializeOwned,
[INFO] [stdout]      |        ---------------- required by this bound in `from_value`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `serde::de::DeserializeOwned` for `rule::Rule<std::string::String, Term>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rule::Rule<std::string::String, Term>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]    --> src/rule.rs:568:59
[INFO] [stdout]     |
[INFO] [stdout] 568 |             &serde_json::to_value::<Rule::<String, Term>>(rule).unwrap()
[INFO] [stdout]     |                                                           ^^^^ the trait `serde::ser::Serialize` is not implemented for `rule::Rule<std::string::String, Term>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/value/mod.rs:965:8
[INFO] [stdout]     |
[INFO] [stdout] 965 |     T: Serialize,
[INFO] [stdout]     |        --------- required by this bound in `to_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rify` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "242515ea4a4ae24b49080ccf92f405996ec62faf586669e3a57125608f9ddb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242515ea4a4ae24b49080ccf92f405996ec62faf586669e3a57125608f9ddb8f", kill_on_drop: false }`
[INFO] [stdout] 242515ea4a4ae24b49080ccf92f405996ec62faf586669e3a57125608f9ddb8f