[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] testing ZatchBo/json_io against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZatchBo%2Fjson_io" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZatchBo/json_io on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-5/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38b4f628b999469d7ef5ef38647ce541918736883b3d76b5af1e0f0bbdc29a6
[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" "a38b4f628b999469d7ef5ef38647ce541918736883b3d76b5af1e0f0bbdc29a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38b4f628b999469d7ef5ef38647ce541918736883b3d76b5af1e0f0bbdc29a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38b4f628b999469d7ef5ef38647ce541918736883b3d76b5af1e0f0bbdc29a6", kill_on_drop: false }`
[INFO] [stdout] a38b4f628b999469d7ef5ef38647ce541918736883b3d76b5af1e0f0bbdc29a6
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--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] f42a29b542595d4a504c10664baa8c672faded4b3118fc5816ff01b765162332
[INFO] running `Command { std: "docker" "start" "-a" "f42a29b542595d4a504c10664baa8c672faded4b3118fc5816ff01b765162332", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling iter-read v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling serde-pickle v0.5.1
[INFO] [stderr]    Compiling 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] running `Command { std: "docker" "inspect" "f42a29b542595d4a504c10664baa8c672faded4b3118fc5816ff01b765162332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42a29b542595d4a504c10664baa8c672faded4b3118fc5816ff01b765162332", kill_on_drop: false }`
[INFO] [stdout] f42a29b542595d4a504c10664baa8c672faded4b3118fc5816ff01b765162332
