[INFO] fetching crate obscura 0.0.2...
[INFO] building obscura-0.0.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate obscura 0.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate obscura 0.0.2
[INFO] finished tweaking crates.io crate obscura 0.0.2
[INFO] tweaked toml for crates.io crate obscura 0.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate obscura 0.0.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e4944c55a8457d4bf628636597de5bd38f0a9db0875dba5354793dc4f439011
[INFO] running `Command { std: "docker" "start" "-a" "7e4944c55a8457d4bf628636597de5bd38f0a9db0875dba5354793dc4f439011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e4944c55a8457d4bf628636597de5bd38f0a9db0875dba5354793dc4f439011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4944c55a8457d4bf628636597de5bd38f0a9db0875dba5354793dc4f439011", kill_on_drop: false }`
[INFO] [stdout] 7e4944c55a8457d4bf628636597de5bd38f0a9db0875dba5354793dc4f439011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 551dc31788a9993fa7fb8a6e3241384a87385b83adb66b6fdc7dae1e712ed4a3
[INFO] running `Command { std: "docker" "start" "-a" "551dc31788a9993fa7fb8a6e3241384a87385b83adb66b6fdc7dae1e712ed4a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling obscura v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "551dc31788a9993fa7fb8a6e3241384a87385b83adb66b6fdc7dae1e712ed4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551dc31788a9993fa7fb8a6e3241384a87385b83adb66b6fdc7dae1e712ed4a3", kill_on_drop: false }`
[INFO] [stdout] 551dc31788a9993fa7fb8a6e3241384a87385b83adb66b6fdc7dae1e712ed4a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 16c391606aac2ffa3a3d94ac538eefeb3bb82a90a649c9d7e46a36b11d6b24c0
[INFO] running `Command { std: "docker" "start" "-a" "16c391606aac2ffa3a3d94ac538eefeb3bb82a90a649c9d7e46a36b11d6b24c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling obscura v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "16c391606aac2ffa3a3d94ac538eefeb3bb82a90a649c9d7e46a36b11d6b24c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c391606aac2ffa3a3d94ac538eefeb3bb82a90a649c9d7e46a36b11d6b24c0", kill_on_drop: false }`
[INFO] [stdout] 16c391606aac2ffa3a3d94ac538eefeb3bb82a90a649c9d7e46a36b11d6b24c0