[INFO] fetching crate voltage 0.1.0...
[INFO] testing voltage-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate voltage 0.1.0 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate voltage 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate voltage 0.1.0
[INFO] finished tweaking crates.io crate voltage 0.1.0
[INFO] tweaked toml for crates.io crate voltage 0.1.0 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a62403d6daf7ba5c5de2a8186f7bce1a15f2a5dcdb86e25ca8e27a14e6ddd95f
[INFO] running `Command { std: "docker" "start" "-a" "a62403d6daf7ba5c5de2a8186f7bce1a15f2a5dcdb86e25ca8e27a14e6ddd95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a62403d6daf7ba5c5de2a8186f7bce1a15f2a5dcdb86e25ca8e27a14e6ddd95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62403d6daf7ba5c5de2a8186f7bce1a15f2a5dcdb86e25ca8e27a14e6ddd95f", kill_on_drop: false }`
[INFO] [stdout] a62403d6daf7ba5c5de2a8186f7bce1a15f2a5dcdb86e25ca8e27a14e6ddd95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b4d6f0d2c9c4938aadefc93009bc0041cfad3e8a2336f792acde758c8e3c1ab
[INFO] running `Command { std: "docker" "start" "-a" "3b4d6f0d2c9c4938aadefc93009bc0041cfad3e8a2336f792acde758c8e3c1ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling voltage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "3b4d6f0d2c9c4938aadefc93009bc0041cfad3e8a2336f792acde758c8e3c1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4d6f0d2c9c4938aadefc93009bc0041cfad3e8a2336f792acde758c8e3c1ab", kill_on_drop: false }`
[INFO] [stdout] 3b4d6f0d2c9c4938aadefc93009bc0041cfad3e8a2336f792acde758c8e3c1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efce90b85f229fe29c92ef520c3e0fe26a181e2e14a1e5a5c42deb2b80e4ddb2
[INFO] running `Command { std: "docker" "start" "-a" "efce90b85f229fe29c92ef520c3e0fe26a181e2e14a1e5a5c42deb2b80e4ddb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling voltage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "efce90b85f229fe29c92ef520c3e0fe26a181e2e14a1e5a5c42deb2b80e4ddb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efce90b85f229fe29c92ef520c3e0fe26a181e2e14a1e5a5c42deb2b80e4ddb2", kill_on_drop: false }`
[INFO] [stdout] efce90b85f229fe29c92ef520c3e0fe26a181e2e14a1e5a5c42deb2b80e4ddb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f756aac1c466ebaddc6e961e79436d90400592eee5c283ee0fff30cd65ccf28b
[INFO] running `Command { std: "docker" "start" "-a" "f756aac1c466ebaddc6e961e79436d90400592eee5c283ee0fff30cd65ccf28b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/voltage-337b7003bf13378e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests voltage
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f756aac1c466ebaddc6e961e79436d90400592eee5c283ee0fff30cd65ccf28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f756aac1c466ebaddc6e961e79436d90400592eee5c283ee0fff30cd65ccf28b", kill_on_drop: false }`
[INFO] [stdout] f756aac1c466ebaddc6e961e79436d90400592eee5c283ee0fff30cd65ccf28b