[INFO] fetching crate tracing-fmt 0.1.1...
[INFO] testing tracing-fmt-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tracing-fmt 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tracing-fmt 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 tracing-fmt 0.1.1
[INFO] finished tweaking crates.io crate tracing-fmt 0.1.1
[INFO] tweaked toml for crates.io crate tracing-fmt 0.1.1 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 1db22a4a0dc729def4506945fe9d6ca112fd337ca0bf438464d5602549ed2f83
[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" "1db22a4a0dc729def4506945fe9d6ca112fd337ca0bf438464d5602549ed2f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db22a4a0dc729def4506945fe9d6ca112fd337ca0bf438464d5602549ed2f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db22a4a0dc729def4506945fe9d6ca112fd337ca0bf438464d5602549ed2f83", kill_on_drop: false }`
[INFO] [stdout] 1db22a4a0dc729def4506945fe9d6ca112fd337ca0bf438464d5602549ed2f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f71c9b7d19a047c3b7f3f75eea5178f4fb51b66d870bdcd036426a8fd37b782f
[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" "f71c9b7d19a047c3b7f3f75eea5178f4fb51b66d870bdcd036426a8fd37b782f", kill_on_drop: false }`
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling tracing-subscriber v0.1.6
[INFO] [stderr]    Compiling tracing-fmt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `tracing_subscriber::Filter`: renamed to `EnvFilter`
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub use tracing_subscriber::Filter as EnvFilter;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "f71c9b7d19a047c3b7f3f75eea5178f4fb51b66d870bdcd036426a8fd37b782f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71c9b7d19a047c3b7f3f75eea5178f4fb51b66d870bdcd036426a8fd37b782f", kill_on_drop: false }`
[INFO] [stdout] f71c9b7d19a047c3b7f3f75eea5178f4fb51b66d870bdcd036426a8fd37b782f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 34b9b7a1a48f6ae5229a6d95795e0f303e0404ad8dc2755e8c5bfaabac1c5544
[INFO] running `Command { std: "docker" "start" "-a" "34b9b7a1a48f6ae5229a6d95795e0f303e0404ad8dc2755e8c5bfaabac1c5544", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stdout] warning: use of deprecated type alias `tracing_subscriber::Filter`: renamed to `EnvFilter`
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub use tracing_subscriber::Filter as EnvFilter;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling tracing-fmt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `tracing_subscriber::Filter`: renamed to `EnvFilter`
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub use tracing_subscriber::Filter as EnvFilter;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.05s
[INFO] running `Command { std: "docker" "inspect" "34b9b7a1a48f6ae5229a6d95795e0f303e0404ad8dc2755e8c5bfaabac1c5544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b9b7a1a48f6ae5229a6d95795e0f303e0404ad8dc2755e8c5bfaabac1c5544", kill_on_drop: false }`
[INFO] [stdout] 34b9b7a1a48f6ae5229a6d95795e0f303e0404ad8dc2755e8c5bfaabac1c5544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f44bf754a27d8836a0a9f4b99bd46bbe04bf0a28e80659917f61000ab67c190b
[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" "f44bf754a27d8836a0a9f4b99bd46bbe04bf0a28e80659917f61000ab67c190b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated type alias `tracing_subscriber::Filter`: renamed to `EnvFilter`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:52:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 52 |     pub use tracing_subscriber::Filter as EnvFilter;
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `tracing_subscriber::Filter`: renamed to `EnvFilter`
[INFO] [stderr]   --> src/lib.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub use tracing_subscriber::Filter as EnvFilter;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_fmt-fb96986eeab295b2
[INFO] [stderr]    Doc-tests tracing-fmt
[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" "f44bf754a27d8836a0a9f4b99bd46bbe04bf0a28e80659917f61000ab67c190b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44bf754a27d8836a0a9f4b99bd46bbe04bf0a28e80659917f61000ab67c190b", kill_on_drop: false }`
[INFO] [stdout] f44bf754a27d8836a0a9f4b99bd46bbe04bf0a28e80659917f61000ab67c190b