[INFO] fetching crate runtime_tracing 0.15.0...
[INFO] building runtime_tracing-0.15.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate runtime_tracing 0.15.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate runtime_tracing 0.15.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate runtime_tracing 0.15.0
[INFO] tweaked toml for crates.io crate runtime_tracing 0.15.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate runtime_tracing 0.15.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate runtime_tracing 0.15.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v2.1.2
[INFO] [stderr]   Downloaded fscommon v0.1.1
[INFO] [stderr]   Downloaded zeekstd v0.6.1
[INFO] [stderr]   Downloaded capnpc v0.21.0
[INFO] [stderr]   Downloaded cbor4ii v1.0.0
[INFO] [stderr]   Downloaded capnp v0.21.1
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4936024ec754cf934906168a26c70609138e13748d4002d9f936860fb2f51ee1
[INFO] running `Command { std: "docker" "start" "-a" "4936024ec754cf934906168a26c70609138e13748d4002d9f936860fb2f51ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4936024ec754cf934906168a26c70609138e13748d4002d9f936860fb2f51ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4936024ec754cf934906168a26c70609138e13748d4002d9f936860fb2f51ee1", kill_on_drop: false }`
[INFO] [stdout] 4936024ec754cf934906168a26c70609138e13748d4002d9f936860fb2f51ee1
[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=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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 104cbccc3b808ba0862214db19d5c44aca3e9924214625d7bd30bb50ce51b47d
[INFO] running `Command { std: "docker" "start" "-a" "104cbccc3b808ba0862214db19d5c44aca3e9924214625d7bd30bb50ce51b47d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling capnp v0.21.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling fscommon v0.1.1
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling capnpc v0.21.0
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling runtime_tracing v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zeekstd v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling cbor4ii v1.0.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.92s
[INFO] running `Command { std: "docker" "inspect" "104cbccc3b808ba0862214db19d5c44aca3e9924214625d7bd30bb50ce51b47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104cbccc3b808ba0862214db19d5c44aca3e9924214625d7bd30bb50ce51b47d", kill_on_drop: false }`
[INFO] [stdout] 104cbccc3b808ba0862214db19d5c44aca3e9924214625d7bd30bb50ce51b47d
[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=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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 541cb190393e13ffe7c2b2a90a19271c28290b21be73d6d977dd197d49f3912c
[INFO] running `Command { std: "docker" "start" "-a" "541cb190393e13ffe7c2b2a90a19271c28290b21be73d6d977dd197d49f3912c", kill_on_drop: false }`
[INFO] [stderr]    Compiling runtime_tracing v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "541cb190393e13ffe7c2b2a90a19271c28290b21be73d6d977dd197d49f3912c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541cb190393e13ffe7c2b2a90a19271c28290b21be73d6d977dd197d49f3912c", kill_on_drop: false }`
[INFO] [stdout] 541cb190393e13ffe7c2b2a90a19271c28290b21be73d6d977dd197d49f3912c