[INFO] fetching crate rumbrella-rdk-serialization-json 0.1.0...
[INFO] testing rumbrella-rdk-serialization-json-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rumbrella-rdk-serialization-json 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rumbrella-rdk-serialization-json 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumbrella-rdk-serialization-json 0.1.0
[INFO] finished tweaking crates.io crate rumbrella-rdk-serialization-json 0.1.0
[INFO] tweaked toml for crates.io crate rumbrella-rdk-serialization-json 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be7c3db4d7588404959472423c0ba52e86333afcf028101e5a76d58a01d9412
[INFO] running `Command { std: "docker" "start" "-a" "7be7c3db4d7588404959472423c0ba52e86333afcf028101e5a76d58a01d9412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be7c3db4d7588404959472423c0ba52e86333afcf028101e5a76d58a01d9412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be7c3db4d7588404959472423c0ba52e86333afcf028101e5a76d58a01d9412", kill_on_drop: false }`
[INFO] [stdout] 7be7c3db4d7588404959472423c0ba52e86333afcf028101e5a76d58a01d9412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea09d949f53cdcd1cbfaf83f95c01f1a0335f49aaf09251011de82d19374eac2
[INFO] running `Command { std: "docker" "start" "-a" "ea09d949f53cdcd1cbfaf83f95c01f1a0335f49aaf09251011de82d19374eac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumbrella-rdk-serialization-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ea09d949f53cdcd1cbfaf83f95c01f1a0335f49aaf09251011de82d19374eac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea09d949f53cdcd1cbfaf83f95c01f1a0335f49aaf09251011de82d19374eac2", kill_on_drop: false }`
[INFO] [stdout] ea09d949f53cdcd1cbfaf83f95c01f1a0335f49aaf09251011de82d19374eac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 497ee024aeec7b163240ae6cd582117bda021fbfcc8cd79c91b683f1555bc39c
[INFO] running `Command { std: "docker" "start" "-a" "497ee024aeec7b163240ae6cd582117bda021fbfcc8cd79c91b683f1555bc39c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rumbrella-rdk-serialization-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rumbrella_rdk_serialization_json-bd47f757ca3c020e)
[INFO] running `Command { std: "docker" "inspect" "497ee024aeec7b163240ae6cd582117bda021fbfcc8cd79c91b683f1555bc39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497ee024aeec7b163240ae6cd582117bda021fbfcc8cd79c91b683f1555bc39c", kill_on_drop: false }`
[INFO] [stdout] 497ee024aeec7b163240ae6cd582117bda021fbfcc8cd79c91b683f1555bc39c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f1481ed3d0a907600df42eb183f55433211f5da8336e6598a04fdf1a835bb69
[INFO] running `Command { std: "docker" "start" "-a" "8f1481ed3d0a907600df42eb183f55433211f5da8336e6598a04fdf1a835bb69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rumbrella_rdk_serialization_json-bd47f757ca3c020e)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rumbrella-rdk-serialization-json
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f1481ed3d0a907600df42eb183f55433211f5da8336e6598a04fdf1a835bb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1481ed3d0a907600df42eb183f55433211f5da8336e6598a04fdf1a835bb69", kill_on_drop: false }`
[INFO] [stdout] 8f1481ed3d0a907600df42eb183f55433211f5da8336e6598a04fdf1a835bb69