[INFO] fetching crate deno_json_op 0.1.1...
[INFO] testing deno_json_op-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate deno_json_op 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate deno_json_op 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deno_json_op 0.1.1
[INFO] finished tweaking crates.io crate deno_json_op 0.1.1
[INFO] tweaked toml for crates.io crate deno_json_op 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "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] cb81e6bfc43acb5127fa6eae0357780205c72b48cc9cc2a34b906146357e0a05
[INFO] running `Command { std: "docker" "start" "-a" "cb81e6bfc43acb5127fa6eae0357780205c72b48cc9cc2a34b906146357e0a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb81e6bfc43acb5127fa6eae0357780205c72b48cc9cc2a34b906146357e0a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb81e6bfc43acb5127fa6eae0357780205c72b48cc9cc2a34b906146357e0a05", kill_on_drop: false }`
[INFO] [stdout] cb81e6bfc43acb5127fa6eae0357780205c72b48cc9cc2a34b906146357e0a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "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] c3a4346980bdb90c8856e1cfddc04be501ada52ad774f9d725e00eee0894a2f7
[INFO] running `Command { std: "docker" "start" "-a" "c3a4346980bdb90c8856e1cfddc04be501ada52ad774f9d725e00eee0894a2f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling deno_json_op v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.50s
[INFO] running `Command { std: "docker" "inspect" "c3a4346980bdb90c8856e1cfddc04be501ada52ad774f9d725e00eee0894a2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a4346980bdb90c8856e1cfddc04be501ada52ad774f9d725e00eee0894a2f7", kill_on_drop: false }`
[INFO] [stdout] c3a4346980bdb90c8856e1cfddc04be501ada52ad774f9d725e00eee0894a2f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen" "--no-run" "--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] 1caaf8dc5584777305718b23d2b8726bf33f08e5235e11c46d37e12a6f7f863f
[INFO] running `Command { std: "docker" "start" "-a" "1caaf8dc5584777305718b23d2b8726bf33f08e5235e11c46d37e12a6f7f863f", kill_on_drop: false }`
[INFO] [stderr]    Compiling deno_json_op v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "1caaf8dc5584777305718b23d2b8726bf33f08e5235e11c46d37e12a6f7f863f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1caaf8dc5584777305718b23d2b8726bf33f08e5235e11c46d37e12a6f7f863f", kill_on_drop: false }`
[INFO] [stdout] 1caaf8dc5584777305718b23d2b8726bf33f08e5235e11c46d37e12a6f7f863f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28c531a10c559b9013decb2404ce570c40eb0f3db3742266014f64002f3562e1
[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" "28c531a10c559b9013decb2404ce570c40eb0f3db3742266014f64002f3562e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/deno_json_op-c1b0f0446f4036a9
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deno_json_op
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28c531a10c559b9013decb2404ce570c40eb0f3db3742266014f64002f3562e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c531a10c559b9013decb2404ce570c40eb0f3db3742266014f64002f3562e1", kill_on_drop: false }`
[INFO] [stdout] 28c531a10c559b9013decb2404ce570c40eb0f3db3742266014f64002f3562e1