[INFO] fetching crate brickadia 0.1.4...
[INFO] checking brickadia-0.1.4 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate brickadia 0.1.4 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate brickadia 0.1.4 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brickadia 0.1.4
[INFO] finished tweaking crates.io crate brickadia 0.1.4
[INFO] tweaked toml for crates.io crate brickadia 0.1.4 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate brickadia 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitstream-io v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c892b902c2364c980c2357ebee748216eabe8dc4764e1ef06bf7774cdf2822
[INFO] running `Command { std: "docker" "start" "-a" "63c892b902c2364c980c2357ebee748216eabe8dc4764e1ef06bf7774cdf2822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c892b902c2364c980c2357ebee748216eabe8dc4764e1ef06bf7774cdf2822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c892b902c2364c980c2357ebee748216eabe8dc4764e1ef06bf7774cdf2822", kill_on_drop: false }`
[INFO] [stdout] 63c892b902c2364c980c2357ebee748216eabe8dc4764e1ef06bf7774cdf2822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d88317b294227a49fe68b304bd015e076bf01eae992d65d2c7216937561fea81
[INFO] running `Command { std: "docker" "start" "-a" "d88317b294227a49fe68b304bd015e076bf01eae992d65d2c7216937561fea81", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking bitstream-io v1.1.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.2
[INFO] [stderr]     Checking num_enum v0.5.2
[INFO] [stderr]     Checking brickadia v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `SaveData: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/read_json.rs:9:54
[INFO] [stdout]      |
[INFO] [stdout] 9    |     println!("Serialized: {}", serde_json::to_string(&save).unwrap());
[INFO] [stdout]      |                                                      ^^^^^ the trait `serde::ser::Serialize` is not implemented for `SaveData`
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.66/src/ser.rs:2216:17
[INFO] [stdout]      |
[INFO] [stdout] 2216 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 --------- required by this bound in `serde_json::to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brickadia` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d88317b294227a49fe68b304bd015e076bf01eae992d65d2c7216937561fea81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88317b294227a49fe68b304bd015e076bf01eae992d65d2c7216937561fea81", kill_on_drop: false }`
[INFO] [stdout] d88317b294227a49fe68b304bd015e076bf01eae992d65d2c7216937561fea81