[INFO] crate json_env_logger 0.1.1 is already in cache
[INFO] testing json_env_logger-0.1.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate json_env_logger 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate json_env_logger 0.1.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_env_logger 0.1.1
[INFO] finished tweaking crates.io crate json_env_logger 0.1.1
[INFO] tweaked toml for crates.io crate json_env_logger 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate json_env_logger 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd0c85f96cf4c90f14009b39523d759e445d36159967888cdb65064a6155ca29
[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" "fd0c85f96cf4c90f14009b39523d759e445d36159967888cdb65064a6155ca29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0c85f96cf4c90f14009b39523d759e445d36159967888cdb65064a6155ca29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0c85f96cf4c90f14009b39523d759e445d36159967888cdb65064a6155ca29", kill_on_drop: false }`
[INFO] [stdout] fd0c85f96cf4c90f14009b39523d759e445d36159967888cdb65064a6155ca29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23267c945a9eaee81a9d8f6d8e502ebe257bcfe0edcbdae5815575f0a9e733cb
[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" "23267c945a9eaee81a9d8f6d8e502ebe257bcfe0edcbdae5815575f0a9e733cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling json_env_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "23267c945a9eaee81a9d8f6d8e502ebe257bcfe0edcbdae5815575f0a9e733cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23267c945a9eaee81a9d8f6d8e502ebe257bcfe0edcbdae5815575f0a9e733cb", kill_on_drop: false }`
[INFO] [stdout] 23267c945a9eaee81a9d8f6d8e502ebe257bcfe0edcbdae5815575f0a9e733cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf163c049d9d8546ef88ddf77ecfbcb528cb4c61497856853c4f0dc6545c7b07
[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" "cf163c049d9d8546ef88ddf77ecfbcb528cb4c61497856853c4f0dc6545c7b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_env_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "cf163c049d9d8546ef88ddf77ecfbcb528cb4c61497856853c4f0dc6545c7b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf163c049d9d8546ef88ddf77ecfbcb528cb4c61497856853c4f0dc6545c7b07", kill_on_drop: false }`
[INFO] [stdout] cf163c049d9d8546ef88ddf77ecfbcb528cb4c61497856853c4f0dc6545c7b07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b572963c55f468c975f81e1ef59821594040c3314ba1b56a21260422cc2907c7
[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" "b572963c55f468c975f81e1ef59821594040c3314ba1b56a21260422cc2907c7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_env_logger-9b2932b1ba1cd6ae
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::escapes_json_strings ... ok
[INFO] [stdout] test tests::writes_records_as_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_env_logger
[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" "b572963c55f468c975f81e1ef59821594040c3314ba1b56a21260422cc2907c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b572963c55f468c975f81e1ef59821594040c3314ba1b56a21260422cc2907c7", kill_on_drop: false }`
[INFO] [stdout] b572963c55f468c975f81e1ef59821594040c3314ba1b56a21260422cc2907c7