[INFO] fetching crate tracing_json_span_fields 0.1.1... [INFO] checking tracing_json_span_fields-0.1.1 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1 [INFO] extracting crate tracing_json_span_fields 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate tracing_json_span_fields 0.1.1 [INFO] finished tweaking crates.io crate tracing_json_span_fields 0.1.1 [INFO] tweaked toml for crates.io crate tracing_json_span_fields 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tracing_json_span_fields 0.1.1 on toolchain 38c2997544af84fe301d600d6896397738163002 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" 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a14079cb3469917e36ace292dab17cbbd84843a5f7d174d76c2f19718d4f2178 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7261f0d6878c6ce7e05343d8831abeaed22e316347340f81d5548427ff29070 [INFO] running `Command { std: "docker" "start" "-a" "f7261f0d6878c6ce7e05343d8831abeaed22e316347340f81d5548427ff29070", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling time-core v0.1.8 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking tracing-core v0.1.36 [INFO] [stderr] Compiling num-conv v0.2.1 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Checking log v0.4.29 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Compiling time-macros v0.2.27 [INFO] [stderr] Checking deranged v0.5.8 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking nu-ansi-term v0.50.3 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.23 [INFO] [stderr] Checking time v0.3.47 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Checking tracing v0.1.44 [INFO] [stderr] Checking tracing_json_span_fields v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] [FMTARGS] {"crate":"tracing_json_span_fields","loc":"src/lib.rs:86:12","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] {"crate":"tracing_json_span_fields","loc":"src/lib.rs:286:38","p":0,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] 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