[INFO] fetching crate tf_observer 0.1.3...
[INFO] building tf_observer-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tf_observer 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tf_observer 0.1.3
[INFO] finished tweaking crates.io crate tf_observer 0.1.3
[INFO] tweaked toml for crates.io crate tf_observer 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tf_observer 0.1.3 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]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding mockall v0.11.4 (available: v0.13.1)
[INFO] [stderr]       Adding mockito v0.31.1 (available: v1.7.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded mockito v0.31.1
[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] a67724a212473add5df4471a272f782c8cdb96d1c88760dd39ce6daaf51f9611
[INFO] running `Command { std: "docker" "start" "-a" "a67724a212473add5df4471a272f782c8cdb96d1c88760dd39ce6daaf51f9611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a67724a212473add5df4471a272f782c8cdb96d1c88760dd39ce6daaf51f9611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67724a212473add5df4471a272f782c8cdb96d1c88760dd39ce6daaf51f9611", kill_on_drop: false }`
[INFO] [stdout] a67724a212473add5df4471a272f782c8cdb96d1c88760dd39ce6daaf51f9611
[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] fcd75fcd22c64a554bb9fed8fec93fd1e60acfc60e5c63d21b30af804f87caa7
[INFO] running `Command { std: "docker" "start" "-a" "fcd75fcd22c64a554bb9fed8fec93fd1e60acfc60e5c63d21b30af804f87caa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tf_observer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "fcd75fcd22c64a554bb9fed8fec93fd1e60acfc60e5c63d21b30af804f87caa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd75fcd22c64a554bb9fed8fec93fd1e60acfc60e5c63d21b30af804f87caa7", kill_on_drop: false }`
[INFO] [stdout] fcd75fcd22c64a554bb9fed8fec93fd1e60acfc60e5c63d21b30af804f87caa7
[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] 2fe240cbcdd13e66b45a3d1a2991a2385591c6fc937e0b039fd5c4a2dd641d11
[INFO] running `Command { std: "docker" "start" "-a" "2fe240cbcdd13e66b45a3d1a2991a2385591c6fc937e0b039fd5c4a2dd641d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling mockito v0.31.1
[INFO] [stderr]    Compiling mockall v0.11.4
[INFO] [stderr]    Compiling tf_observer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "2fe240cbcdd13e66b45a3d1a2991a2385591c6fc937e0b039fd5c4a2dd641d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe240cbcdd13e66b45a3d1a2991a2385591c6fc937e0b039fd5c4a2dd641d11", kill_on_drop: false }`
[INFO] [stdout] 2fe240cbcdd13e66b45a3d1a2991a2385591c6fc937e0b039fd5c4a2dd641d11