[INFO] updating cached repository https://github.com/ZatchBo/json_io
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0170e95a9113eb4616383c7238f70c33d494acc3
[INFO] checking ZatchBo/json_io against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZatchBo%2Fjson_io" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZatchBo/json_io on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ZatchBo/json_io
[INFO] finished tweaking git repo https://github.com/ZatchBo/json_io
[INFO] tweaked toml for git repo https://github.com/ZatchBo/json_io written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ZatchBo/json_io already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6d27d0a8a562f57b6ce406841dc9db8c53a4c07cf17eba69a3320e18c05bbef
[INFO] running `"docker" "start" "-a" "b6d27d0a8a562f57b6ce406841dc9db8c53a4c07cf17eba69a3320e18c05bbef"`
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde-pickle v0.5.1
[INFO] [stderr]     Checking json_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stderr]    --> src/structs.rs:144:27
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                           ^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::ser::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stderr]    --> src/structs.rs:144:39
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::de::DeserializeOwned;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stderr]    --> src/structs.rs:166:29
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                             ^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::ser::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stderr]    --> src/structs.rs:166:41
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::de::DeserializeOwned;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::de::DeserializeOwned`
[INFO] [stderr]   --> src/structs.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use serde::de::DeserializeOwned;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0405`.
[INFO] [stderr] error: could not compile `json_io`.
[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[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stderr]    --> src/structs.rs:144:27
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                           ^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::ser::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stderr]    --> src/structs.rs:144:39
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::de::DeserializeOwned;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stderr]    --> src/structs.rs:166:29
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                             ^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::ser::Serialize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stderr]    --> src/structs.rs:166:41
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use serde::de::DeserializeOwned;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::de::DeserializeOwned`
[INFO] [stderr]   --> src/structs.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use serde::de::DeserializeOwned;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0405`.
[INFO] [stderr] error: could not compile `json_io`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b6d27d0a8a562f57b6ce406841dc9db8c53a4c07cf17eba69a3320e18c05bbef"`
[INFO] running `"docker" "rm" "-f" "b6d27d0a8a562f57b6ce406841dc9db8c53a4c07cf17eba69a3320e18c05bbef"`
[INFO] [stdout] b6d27d0a8a562f57b6ce406841dc9db8c53a4c07cf17eba69a3320e18c05bbef
