[INFO] fetching crate tracing-systemd 0.1.0...
[INFO] building tracing-systemd-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tracing-systemd 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tracing-systemd 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-systemd 0.1.0
[INFO] tweaked toml for crates.io crate tracing-systemd 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-systemd 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-systemd 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 337dbaeb7605696afabe0246e8da0ff8c14256af0d75465bd280b8193b7ad9c6
[INFO] running `Command { std: "docker" "start" "-a" "337dbaeb7605696afabe0246e8da0ff8c14256af0d75465bd280b8193b7ad9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "337dbaeb7605696afabe0246e8da0ff8c14256af0d75465bd280b8193b7ad9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337dbaeb7605696afabe0246e8da0ff8c14256af0d75465bd280b8193b7ad9c6", kill_on_drop: false }`
[INFO] [stdout] 337dbaeb7605696afabe0246e8da0ff8c14256af0d75465bd280b8193b7ad9c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84deaae6c9541cbb3099a431d953d023e2299c1818151392073ccfc3e3e09c81
[INFO] running `Command { std: "docker" "start" "-a" "84deaae6c9541cbb3099a431d953d023e2299c1818151392073ccfc3e3e09c81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-systemd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.99s
[INFO] running `Command { std: "docker" "inspect" "84deaae6c9541cbb3099a431d953d023e2299c1818151392073ccfc3e3e09c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84deaae6c9541cbb3099a431d953d023e2299c1818151392073ccfc3e3e09c81", kill_on_drop: false }`
[INFO] [stdout] 84deaae6c9541cbb3099a431d953d023e2299c1818151392073ccfc3e3e09c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31a57267fa319e5d4fb485a0dedcbfd51dd71a4fb4c7d20a96a51c7ca7addec7
[INFO] running `Command { std: "docker" "start" "-a" "31a57267fa319e5d4fb485a0dedcbfd51dd71a4fb4c7d20a96a51c7ca7addec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-systemd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outside_instrument_field`
[INFO] [stdout]   --> examples/test_log_stdout.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn root_log_fn(outside_instrument_field: bool) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outside_instrument_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "31a57267fa319e5d4fb485a0dedcbfd51dd71a4fb4c7d20a96a51c7ca7addec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a57267fa319e5d4fb485a0dedcbfd51dd71a4fb4c7d20a96a51c7ca7addec7", kill_on_drop: false }`
[INFO] [stdout] 31a57267fa319e5d4fb485a0dedcbfd51dd71a4fb4c7d20a96a51c7ca7addec7