[INFO] cloning repository https://github.com/ZatchBo/json_io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZatchBo/json_io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZatchBo%2Fjson_io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZatchBo%2Fjson_io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0170e95a9113eb4616383c7238f70c33d494acc3
[INFO] checking ZatchBo/json_io against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZatchBo%2Fjson_io" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZatchBo/json_io on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ZatchBo/json_io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13542ce52e75de6d9e28e048fb7287371ec7f42a9d89f82eeb027b6e1bbb1810
[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" "13542ce52e75de6d9e28e048fb7287371ec7f42a9d89f82eeb027b6e1bbb1810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13542ce52e75de6d9e28e048fb7287371ec7f42a9d89f82eeb027b6e1bbb1810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13542ce52e75de6d9e28e048fb7287371ec7f42a9d89f82eeb027b6e1bbb1810", kill_on_drop: false }`
[INFO] [stdout] 13542ce52e75de6d9e28e048fb7287371ec7f42a9d89f82eeb027b6e1bbb1810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 910d7c79d1877892474c8c8184e2f62ac1e9affac7b43522ccd12008527e0c4d
[INFO] running `Command { std: "docker" "start" "-a" "910d7c79d1877892474c8c8184e2f62ac1e9affac7b43522ccd12008527e0c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde-pickle v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking json_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stdout]    --> src/structs.rs:144:27
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                           ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stdout]    --> src/structs.rs:144:39
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::de::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stdout]    --> src/structs.rs:166:29
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                             ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stdout]    --> src/structs.rs:166:41
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::de::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::DeserializeOwned`
[INFO] [stdout]   --> src/structs.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde::de::DeserializeOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[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] [stdout] error[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stdout]    --> src/structs.rs:144:27
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                           ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stdout]    --> src/structs.rs:144:39
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn pickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::de::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Serialize` in this scope
[INFO] [stdout]    --> src/structs.rs:166:29
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                             ^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `DeserializeOwned` in this scope
[INFO] [stdout]    --> src/structs.rs:166:41
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn depickle_json<T: Serialize + DeserializeOwned>
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::structs::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use serde::de::DeserializeOwned;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::DeserializeOwned`
[INFO] [stdout]   --> src/structs.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde::de::DeserializeOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "910d7c79d1877892474c8c8184e2f62ac1e9affac7b43522ccd12008527e0c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910d7c79d1877892474c8c8184e2f62ac1e9affac7b43522ccd12008527e0c4d", kill_on_drop: false }`
[INFO] [stdout] 910d7c79d1877892474c8c8184e2f62ac1e9affac7b43522ccd12008527e0c4d