[INFO] fetching crate volatile-register 0.2.0...
[INFO] testing volatile-register-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate volatile-register 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate volatile-register 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate volatile-register 0.2.0
[INFO] finished tweaking crates.io crate volatile-register 0.2.0
[INFO] tweaked toml for crates.io crate volatile-register 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a7fe7ce6c2190f041ca3a526a370af78c57c50a5f90a251c45e89c12544f00
[INFO] running `Command { std: "docker" "start" "-a" "13a7fe7ce6c2190f041ca3a526a370af78c57c50a5f90a251c45e89c12544f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a7fe7ce6c2190f041ca3a526a370af78c57c50a5f90a251c45e89c12544f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a7fe7ce6c2190f041ca3a526a370af78c57c50a5f90a251c45e89c12544f00", kill_on_drop: false }`
[INFO] [stdout] 13a7fe7ce6c2190f041ca3a526a370af78c57c50a5f90a251c45e89c12544f00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76bbc62263bf78c911d40ca924c54b61867d8cab2497444da5a2462eb5d453b5
[INFO] running `Command { std: "docker" "start" "-a" "76bbc62263bf78c911d40ca924c54b61867d8cab2497444da5a2462eb5d453b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "76bbc62263bf78c911d40ca924c54b61867d8cab2497444da5a2462eb5d453b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bbc62263bf78c911d40ca924c54b61867d8cab2497444da5a2462eb5d453b5", kill_on_drop: false }`
[INFO] [stdout] 76bbc62263bf78c911d40ca924c54b61867d8cab2497444da5a2462eb5d453b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f55f0a70bfca2da0d673d9d6624046d31b00c7e1ebd66ee88c9e43b51fc86dc
[INFO] running `Command { std: "docker" "start" "-a" "5f55f0a70bfca2da0d673d9d6624046d31b00c7e1ebd66ee88c9e43b51fc86dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling volatile-register v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5f55f0a70bfca2da0d673d9d6624046d31b00c7e1ebd66ee88c9e43b51fc86dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f55f0a70bfca2da0d673d9d6624046d31b00c7e1ebd66ee88c9e43b51fc86dc", kill_on_drop: false }`
[INFO] [stdout] 5f55f0a70bfca2da0d673d9d6624046d31b00c7e1ebd66ee88c9e43b51fc86dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bbeac6f961771e1ceece4d8a93dc3a86deeb2443f196f4dc4b8f6e55c114a94
[INFO] running `Command { std: "docker" "start" "-a" "4bbeac6f961771e1ceece4d8a93dc3a86deeb2443f196f4dc4b8f6e55c114a94", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/volatile_register-eb1225cdded9b233)
[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] [stderr]    Doc-tests volatile-register
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bbeac6f961771e1ceece4d8a93dc3a86deeb2443f196f4dc4b8f6e55c114a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbeac6f961771e1ceece4d8a93dc3a86deeb2443f196f4dc4b8f6e55c114a94", kill_on_drop: false }`
[INFO] [stdout] 4bbeac6f961771e1ceece4d8a93dc3a86deeb2443f196f4dc4b8f6e55c114a94