[INFO] fetching crate umbra 0.4.0...
[INFO] building umbra-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate umbra 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate umbra 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate umbra 0.4.0
[INFO] tweaked toml for crates.io crate umbra 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate umbra 0.4.0 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 umbra 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 887dc03734d4c4fd91b5362bf43cdc066099475035210da73bb784f6e0cb4f5f
[INFO] running `Command { std: "docker" "start" "-a" "887dc03734d4c4fd91b5362bf43cdc066099475035210da73bb784f6e0cb4f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "887dc03734d4c4fd91b5362bf43cdc066099475035210da73bb784f6e0cb4f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887dc03734d4c4fd91b5362bf43cdc066099475035210da73bb784f6e0cb4f5f", kill_on_drop: false }`
[INFO] [stdout] 887dc03734d4c4fd91b5362bf43cdc066099475035210da73bb784f6e0cb4f5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 79f9147bee6a326cfaf7b2ed7c2f8beab61f59e95dd8f4f7c121acb50f81bfcb
[INFO] running `Command { std: "docker" "start" "-a" "79f9147bee6a326cfaf7b2ed7c2f8beab61f59e95dd8f4f7c121acb50f81bfcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling umbra v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "79f9147bee6a326cfaf7b2ed7c2f8beab61f59e95dd8f4f7c121acb50f81bfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f9147bee6a326cfaf7b2ed7c2f8beab61f59e95dd8f4f7c121acb50f81bfcb", kill_on_drop: false }`
[INFO] [stdout] 79f9147bee6a326cfaf7b2ed7c2f8beab61f59e95dd8f4f7c121acb50f81bfcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 636e38311474339a7b2143e52b6ed5bd7f2b08d480ce76c6b186923ba180c9f0
[INFO] running `Command { std: "docker" "start" "-a" "636e38311474339a7b2143e52b6ed5bd7f2b08d480ce76c6b186923ba180c9f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling umbra v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "636e38311474339a7b2143e52b6ed5bd7f2b08d480ce76c6b186923ba180c9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636e38311474339a7b2143e52b6ed5bd7f2b08d480ce76c6b186923ba180c9f0", kill_on_drop: false }`
[INFO] [stdout] 636e38311474339a7b2143e52b6ed5bd7f2b08d480ce76c6b186923ba180c9f0