[INFO] fetching crate json_env_logger2 0.2.1...
[INFO] testing json_env_logger2-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate json_env_logger2 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate json_env_logger2 0.2.1
[INFO] finished tweaking crates.io crate json_env_logger2 0.2.1
[INFO] tweaked toml for crates.io crate json_env_logger2 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_env_logger2 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate json_env_logger2 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.10
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded ctor v0.1.22
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded itoa v1.0.2
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded backtrace v0.3.65
[INFO] [stderr]   Downloaded serde v1.0.138
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded serde_json v1.0.82
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1f1c8827188f4aa0a98864191f057349e5bc2b0660fdc5c9009cc308ea1f1e0
[INFO] running `Command { std: "docker" "start" "-a" "c1f1c8827188f4aa0a98864191f057349e5bc2b0660fdc5c9009cc308ea1f1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1f1c8827188f4aa0a98864191f057349e5bc2b0660fdc5c9009cc308ea1f1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f1c8827188f4aa0a98864191f057349e5bc2b0660fdc5c9009cc308ea1f1e0", kill_on_drop: false }`
[INFO] [stdout] c1f1c8827188f4aa0a98864191f057349e5bc2b0660fdc5c9009cc308ea1f1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f7e02eb10b274aefccc259fec5e32002cabad5cfa730e3853645316d0b42c23
[INFO] running `Command { std: "docker" "start" "-a" "5f7e02eb10b274aefccc259fec5e32002cabad5cfa730e3853645316d0b42c23", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling json_env_logger2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "5f7e02eb10b274aefccc259fec5e32002cabad5cfa730e3853645316d0b42c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7e02eb10b274aefccc259fec5e32002cabad5cfa730e3853645316d0b42c23", kill_on_drop: false }`
[INFO] [stdout] 5f7e02eb10b274aefccc259fec5e32002cabad5cfa730e3853645316d0b42c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90dddf6211fcc2a09a76741a94e56482e8c65bc4bbf9cd424dc32cf3ba8d7a70
[INFO] running `Command { std: "docker" "start" "-a" "90dddf6211fcc2a09a76741a94e56482e8c65bc4bbf9cd424dc32cf3ba8d7a70", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr]    Compiling json_env_logger2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "90dddf6211fcc2a09a76741a94e56482e8c65bc4bbf9cd424dc32cf3ba8d7a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dddf6211fcc2a09a76741a94e56482e8c65bc4bbf9cd424dc32cf3ba8d7a70", kill_on_drop: false }`
[INFO] [stdout] 90dddf6211fcc2a09a76741a94e56482e8c65bc4bbf9cd424dc32cf3ba8d7a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1e291bd6def344e43d8fa9b35f28d4d0787c02a12eb1b77f080e3c94ea7c7fc
[INFO] running `Command { std: "docker" "start" "-a" "e1e291bd6def344e43d8fa9b35f28d4d0787c02a12eb1b77f080e3c94ea7c7fc", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `env_logger` dependency)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_env_logger2-74d493fbb0029718)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::writes_records_as_json ... ok
[INFO] [stdout] test tests::escapes_json_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_env_logger2
[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" "e1e291bd6def344e43d8fa9b35f28d4d0787c02a12eb1b77f080e3c94ea7c7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e291bd6def344e43d8fa9b35f28d4d0787c02a12eb1b77f080e3c94ea7c7fc", kill_on_drop: false }`
[INFO] [stdout] e1e291bd6def344e43d8fa9b35f28d4d0787c02a12eb1b77f080e3c94ea7c7fc