[INFO] fetching crate brickadia 0.1.24...
[INFO] testing brickadia-0.1.24 against 1.60.0 for beta-1.61-1
[INFO] extracting crate brickadia 0.1.24 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate brickadia 0.1.24 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brickadia 0.1.24
[INFO] finished tweaking crates.io crate brickadia 0.1.24
[INFO] tweaked toml for crates.io crate brickadia 0.1.24 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate brickadia 0.1.24 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd612eadc2e42cb6aa83446efc461fd118c3c700fe720d7b8f72d006d6ff7f3
[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" "2dd612eadc2e42cb6aa83446efc461fd118c3c700fe720d7b8f72d006d6ff7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd612eadc2e42cb6aa83446efc461fd118c3c700fe720d7b8f72d006d6ff7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd612eadc2e42cb6aa83446efc461fd118c3c700fe720d7b8f72d006d6ff7f3", kill_on_drop: false }`
[INFO] [stdout] 2dd612eadc2e42cb6aa83446efc461fd118c3c700fe720d7b8f72d006d6ff7f3
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] aa5a67852bf7a1cc7b563013f4a49817a2991edf77eb41d8871526fd2ed7e00e
[INFO] running `Command { std: "docker" "start" "-a" "aa5a67852bf7a1cc7b563013f4a49817a2991edf77eb41d8871526fd2ed7e00e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitstream-io v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling 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]    Compiling num_enum v0.5.2
[INFO] [stderr]    Compiling brickadia v0.1.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.05s
[INFO] running `Command { std: "docker" "inspect" "aa5a67852bf7a1cc7b563013f4a49817a2991edf77eb41d8871526fd2ed7e00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5a67852bf7a1cc7b563013f4a49817a2991edf77eb41d8871526fd2ed7e00e", kill_on_drop: false }`
[INFO] [stdout] aa5a67852bf7a1cc7b563013f4a49817a2991edf77eb41d8871526fd2ed7e00e
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef86d6a746142bd51ac539f2c9176c59287e42b3ec6662047647f08fd8d99d25
[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" "ef86d6a746142bd51ac539f2c9176c59287e42b3ec6662047647f08fd8d99d25", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling brickadia v0.1.24 (/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]      |                                required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ef86d6a746142bd51ac539f2c9176c59287e42b3ec6662047647f08fd8d99d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef86d6a746142bd51ac539f2c9176c59287e42b3ec6662047647f08fd8d99d25", kill_on_drop: false }`
[INFO] [stdout] ef86d6a746142bd51ac539f2c9176c59287e42b3ec6662047647f08fd8d99d25