[INFO] fetching crate python-json-read-adapter 0.1.0...
[INFO] testing python-json-read-adapter-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate python-json-read-adapter 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate python-json-read-adapter 0.1.0 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 python-json-read-adapter 0.1.0
[INFO] finished tweaking crates.io crate python-json-read-adapter 0.1.0
[INFO] tweaked toml for crates.io crate python-json-read-adapter 0.1.0 written to /workspace/builds/worker-5/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-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" "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] 6825391eb92c53150777bd3002ff28dc236987a1a58b1cb72ac771717680aaab
[INFO] running `Command { std: "docker" "start" "-a" "6825391eb92c53150777bd3002ff28dc236987a1a58b1cb72ac771717680aaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6825391eb92c53150777bd3002ff28dc236987a1a58b1cb72ac771717680aaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6825391eb92c53150777bd3002ff28dc236987a1a58b1cb72ac771717680aaab", kill_on_drop: false }`
[INFO] [stdout] 6825391eb92c53150777bd3002ff28dc236987a1a58b1cb72ac771717680aaab
[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" "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] [stdout] 26176f8ab42983c27ea22471af58cda13db51df942b278ccf1d773aaa5be623d
[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" "26176f8ab42983c27ea22471af58cda13db51df942b278ccf1d773aaa5be623d", kill_on_drop: false }`
[INFO] [stderr]    Compiling python-json-read-adapter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "26176f8ab42983c27ea22471af58cda13db51df942b278ccf1d773aaa5be623d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26176f8ab42983c27ea22471af58cda13db51df942b278ccf1d773aaa5be623d", kill_on_drop: false }`
[INFO] [stdout] 26176f8ab42983c27ea22471af58cda13db51df942b278ccf1d773aaa5be623d
[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" "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] [stdout] dcd8067583880f2a79f6782b05e0d581a709f184e5abca40a3dc41a869a11b27
[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" "dcd8067583880f2a79f6782b05e0d581a709f184e5abca40a3dc41a869a11b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling python-json-read-adapter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "dcd8067583880f2a79f6782b05e0d581a709f184e5abca40a3dc41a869a11b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd8067583880f2a79f6782b05e0d581a709f184e5abca40a3dc41a869a11b27", kill_on_drop: false }`
[INFO] [stdout] dcd8067583880f2a79f6782b05e0d581a709f184e5abca40a3dc41a869a11b27
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0461db0ac21483290cb13dbdcd7b8e2cc671159e186b38193b216121c17fcafe
[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" "0461db0ac21483290cb13dbdcd7b8e2cc671159e186b38193b216121c17fcafe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/python_json_read_adapter-495fcf01d6846eb3
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_reader_simple ... ok
[INFO] [stdout] test test_reader_string ... ok
[INFO] [stdout] test test_translate_slice ... ok
[INFO] [stderr]    Doc-tests python-json-read-adapter
[INFO] [stdout] test test_reader_string_escaping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ignored
[INFO] [stdout] test src/lib.rs - (line 24) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0461db0ac21483290cb13dbdcd7b8e2cc671159e186b38193b216121c17fcafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0461db0ac21483290cb13dbdcd7b8e2cc671159e186b38193b216121c17fcafe", kill_on_drop: false }`
[INFO] [stdout] 0461db0ac21483290cb13dbdcd7b8e2cc671159e186b38193b216121c17fcafe