[INFO] fetching crate volatile-register 0.2.1...
[INFO] testing volatile-register-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate volatile-register 0.2.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate volatile-register 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate volatile-register 0.2.1
[INFO] finished tweaking crates.io crate volatile-register 0.2.1
[INFO] tweaked toml for crates.io crate volatile-register 0.2.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44bb5a3004a36dd2c0fceac78683b03e5c8f7e079961b0897ffb7999d0d5fcbb
[INFO] running `Command { std: "docker" "start" "-a" "44bb5a3004a36dd2c0fceac78683b03e5c8f7e079961b0897ffb7999d0d5fcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44bb5a3004a36dd2c0fceac78683b03e5c8f7e079961b0897ffb7999d0d5fcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44bb5a3004a36dd2c0fceac78683b03e5c8f7e079961b0897ffb7999d0d5fcbb", kill_on_drop: false }`
[INFO] [stdout] 44bb5a3004a36dd2c0fceac78683b03e5c8f7e079961b0897ffb7999d0d5fcbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40f09381d1a1a17bfa92ae2d27b71cd5bead4702238bd4cffe824d8fb4e1dadf
[INFO] running `Command { std: "docker" "start" "-a" "40f09381d1a1a17bfa92ae2d27b71cd5bead4702238bd4cffe824d8fb4e1dadf", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "40f09381d1a1a17bfa92ae2d27b71cd5bead4702238bd4cffe824d8fb4e1dadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f09381d1a1a17bfa92ae2d27b71cd5bead4702238bd4cffe824d8fb4e1dadf", kill_on_drop: false }`
[INFO] [stdout] 40f09381d1a1a17bfa92ae2d27b71cd5bead4702238bd4cffe824d8fb4e1dadf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fafb86d03e7171a1a3069d27e9553f8498df888c29fa2250a4b124cdd91aa0f0
[INFO] running `Command { std: "docker" "start" "-a" "fafb86d03e7171a1a3069d27e9553f8498df888c29fa2250a4b124cdd91aa0f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling volatile-register v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "fafb86d03e7171a1a3069d27e9553f8498df888c29fa2250a4b124cdd91aa0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafb86d03e7171a1a3069d27e9553f8498df888c29fa2250a4b124cdd91aa0f0", kill_on_drop: false }`
[INFO] [stdout] fafb86d03e7171a1a3069d27e9553f8498df888c29fa2250a4b124cdd91aa0f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c3d3213ff80c3dc94e883c429ae57214c8ffdfd4b64c7a67201de46712eae4a
[INFO] running `Command { std: "docker" "start" "-a" "7c3d3213ff80c3dc94e883c429ae57214c8ffdfd4b64c7a67201de46712eae4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/volatile_register-f337bac207a1dbf5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests volatile-register
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c3d3213ff80c3dc94e883c429ae57214c8ffdfd4b64c7a67201de46712eae4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3d3213ff80c3dc94e883c429ae57214c8ffdfd4b64c7a67201de46712eae4a", kill_on_drop: false }`
[INFO] [stdout] 7c3d3213ff80c3dc94e883c429ae57214c8ffdfd4b64c7a67201de46712eae4a