[INFO] fetching crate squall-tracing 0.1.1...
[INFO] building squall-tracing-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate squall-tracing 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate squall-tracing 0.1.1
[INFO] finished tweaking crates.io crate squall-tracing 0.1.1
[INFO] tweaked toml for crates.io crate squall-tracing 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate squall-tracing 0.1.1 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 squall-tracing 0.1.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6ef1448a8ca1e98c8fb08a91bc3239155afe10e65bbf4e45d316a0a0f89e3fd5
[INFO] running `Command { std: "docker" "start" "-a" "6ef1448a8ca1e98c8fb08a91bc3239155afe10e65bbf4e45d316a0a0f89e3fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ef1448a8ca1e98c8fb08a91bc3239155afe10e65bbf4e45d316a0a0f89e3fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef1448a8ca1e98c8fb08a91bc3239155afe10e65bbf4e45d316a0a0f89e3fd5", kill_on_drop: false }`
[INFO] [stdout] 6ef1448a8ca1e98c8fb08a91bc3239155afe10e65bbf4e45d316a0a0f89e3fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 75cc86fd30ac7646234b5d3d7939071c1fb9216cf204d6ed4e16b325aeaaf274
[INFO] running `Command { std: "docker" "start" "-a" "75cc86fd30ac7646234b5d3d7939071c1fb9216cf204d6ed4e16b325aeaaf274", kill_on_drop: false }`
[INFO] [stderr]    Compiling squall-tracing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "75cc86fd30ac7646234b5d3d7939071c1fb9216cf204d6ed4e16b325aeaaf274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc86fd30ac7646234b5d3d7939071c1fb9216cf204d6ed4e16b325aeaaf274", kill_on_drop: false }`
[INFO] [stdout] 75cc86fd30ac7646234b5d3d7939071c1fb9216cf204d6ed4e16b325aeaaf274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1a15e2344669d11182e86a89d4939b3e8e9974f519e85a62b75751b6cb10ebbc
[INFO] running `Command { std: "docker" "start" "-a" "1a15e2344669d11182e86a89d4939b3e8e9974f519e85a62b75751b6cb10ebbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling squall-tracing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1a15e2344669d11182e86a89d4939b3e8e9974f519e85a62b75751b6cb10ebbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a15e2344669d11182e86a89d4939b3e8e9974f519e85a62b75751b6cb10ebbc", kill_on_drop: false }`
[INFO] [stdout] 1a15e2344669d11182e86a89d4939b3e8e9974f519e85a62b75751b6cb10ebbc