[INFO] fetching crate python-json-read-adapter 0.1.0...
[INFO] testing python-json-read-adapter-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate python-json-read-adapter 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate python-json-read-adapter 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6014c3a05f1263d09c1030fcbdc395027cd62f1a3fd666d1c76711b5997b08c3
[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" "6014c3a05f1263d09c1030fcbdc395027cd62f1a3fd666d1c76711b5997b08c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6014c3a05f1263d09c1030fcbdc395027cd62f1a3fd666d1c76711b5997b08c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6014c3a05f1263d09c1030fcbdc395027cd62f1a3fd666d1c76711b5997b08c3", kill_on_drop: false }`
[INFO] [stdout] 6014c3a05f1263d09c1030fcbdc395027cd62f1a3fd666d1c76711b5997b08c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd4606843ee67aeb352da2d1778140a7810048324be9e8a7529d5306b55a7384
[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" "bd4606843ee67aeb352da2d1778140a7810048324be9e8a7529d5306b55a7384", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "bd4606843ee67aeb352da2d1778140a7810048324be9e8a7529d5306b55a7384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4606843ee67aeb352da2d1778140a7810048324be9e8a7529d5306b55a7384", kill_on_drop: false }`
[INFO] [stdout] bd4606843ee67aeb352da2d1778140a7810048324be9e8a7529d5306b55a7384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] a6ace36e75895802ad98e08659304b04e71c0a7f536539e92591c65c475af97c
[INFO] running `Command { std: "docker" "start" "-a" "a6ace36e75895802ad98e08659304b04e71c0a7f536539e92591c65c475af97c", 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "a6ace36e75895802ad98e08659304b04e71c0a7f536539e92591c65c475af97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ace36e75895802ad98e08659304b04e71c0a7f536539e92591c65c475af97c", kill_on_drop: false }`
[INFO] [stdout] a6ace36e75895802ad98e08659304b04e71c0a7f536539e92591c65c475af97c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 4f562d71add8379b93d79653d367722edced7056ab88cf03ea965ddfbb843768
[INFO] running `Command { std: "docker" "start" "-a" "4f562d71add8379b93d79653d367722edced7056ab88cf03ea965ddfbb843768", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/python_json_read_adapter-88c3107306a97590)
[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_reader_string_escaping ... ok
[INFO] [stdout] test test_translate_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests python-json-read-adapter
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f562d71add8379b93d79653d367722edced7056ab88cf03ea965ddfbb843768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f562d71add8379b93d79653d367722edced7056ab88cf03ea965ddfbb843768", kill_on_drop: false }`
[INFO] [stdout] 4f562d71add8379b93d79653d367722edced7056ab88cf03ea965ddfbb843768