[INFO] fetching crate sorted-json 0.1.0...
[INFO] testing sorted-json-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sorted-json 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sorted-json 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sorted-json 0.1.0
[INFO] finished tweaking crates.io crate sorted-json 0.1.0
[INFO] tweaked toml for crates.io crate sorted-json 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] b61b6de7b14a4ce2e830935437eef209e6ad95781f13299c511e3da1532e1cf4
[INFO] running `Command { std: "docker" "start" "-a" "b61b6de7b14a4ce2e830935437eef209e6ad95781f13299c511e3da1532e1cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b61b6de7b14a4ce2e830935437eef209e6ad95781f13299c511e3da1532e1cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61b6de7b14a4ce2e830935437eef209e6ad95781f13299c511e3da1532e1cf4", kill_on_drop: false }`
[INFO] [stdout] b61b6de7b14a4ce2e830935437eef209e6ad95781f13299c511e3da1532e1cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b25994e204476ac5860347d403df421fdce1341a65c2f2fe6434f2a55c61eab
[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" "1b25994e204476ac5860347d403df421fdce1341a65c2f2fe6434f2a55c61eab", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling sorted-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "1b25994e204476ac5860347d403df421fdce1341a65c2f2fe6434f2a55c61eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b25994e204476ac5860347d403df421fdce1341a65c2f2fe6434f2a55c61eab", kill_on_drop: false }`
[INFO] [stdout] 1b25994e204476ac5860347d403df421fdce1341a65c2f2fe6434f2a55c61eab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15f7d74abbcd28441784f25661cddebcb389052a414adc1e73e3a00559b62320
[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" "15f7d74abbcd28441784f25661cddebcb389052a414adc1e73e3a00559b62320", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorted-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "15f7d74abbcd28441784f25661cddebcb389052a414adc1e73e3a00559b62320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f7d74abbcd28441784f25661cddebcb389052a414adc1e73e3a00559b62320", kill_on_drop: false }`
[INFO] [stdout] 15f7d74abbcd28441784f25661cddebcb389052a414adc1e73e3a00559b62320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fd28e3e6b41b5b1cd7ceec875d64079ddf384cf103ee1c56bfbbe8f0eec4207
[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" "7fd28e3e6b41b5b1cd7ceec875d64079ddf384cf103ee1c56bfbbe8f0eec4207", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorted_json-532024b3812db7a7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::to_json ... 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 sorted-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" "7fd28e3e6b41b5b1cd7ceec875d64079ddf384cf103ee1c56bfbbe8f0eec4207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd28e3e6b41b5b1cd7ceec875d64079ddf384cf103ee1c56bfbbe8f0eec4207", kill_on_drop: false }`
[INFO] [stdout] 7fd28e3e6b41b5b1cd7ceec875d64079ddf384cf103ee1c56bfbbe8f0eec4207