[INFO] fetching crate lpc176x-5x 0.3.1...
[INFO] checking lpc176x-5x-0.3.1 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate lpc176x-5x 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lpc176x-5x 0.3.1 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lpc176x-5x 0.3.1
[INFO] finished tweaking crates.io crate lpc176x-5x 0.3.1
[INFO] tweaked toml for crates.io crate lpc176x-5x 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding bare-metal v0.2.5 (available: v1.0.0)
[INFO] [stderr]       Adding cortex-m v0.5.11 (available: v0.7.7)
[INFO] [stderr]       Adding cortex-m-rt v0.6.15 (available: v0.7.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e94c2effb15ad0941c3806691fcb62100a7435eb88fbdbd8af3c55da94e71af
[INFO] running `Command { std: "docker" "start" "-a" "5e94c2effb15ad0941c3806691fcb62100a7435eb88fbdbd8af3c55da94e71af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e94c2effb15ad0941c3806691fcb62100a7435eb88fbdbd8af3c55da94e71af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e94c2effb15ad0941c3806691fcb62100a7435eb88fbdbd8af3c55da94e71af", kill_on_drop: false }`
[INFO] [stdout] 5e94c2effb15ad0941c3806691fcb62100a7435eb88fbdbd8af3c55da94e71af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a629f844de14817b3477e795c908f786f895025f6d21df2a571737d69ccd82d
[INFO] running `Command { std: "docker" "start" "-a" "6a629f844de14817b3477e795c908f786f895025f6d21df2a571737d69ccd82d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lpc176x-5x v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(untagged_unions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(untagged_unions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]     --> src/lib.rs:5884:9
[INFO] [stdout]      |
[INFO] [stdout] 5884 |         pub dll: DLL,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]      |
[INFO] [stdout] 5884 |         pub dll: std::mem::ManuallyDrop<DLL>,
[INFO] [stdout]      |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]     --> src/lib.rs:5894:9
[INFO] [stdout]      |
[INFO] [stdout] 5894 |         pub ier: IER,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]      |
[INFO] [stdout] 5894 |         pub ier: std::mem::ManuallyDrop<IER>,
[INFO] [stdout]      |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]     --> src/lib.rs:5902:9
[INFO] [stdout]      |
[INFO] [stdout] 5902 |         pub fcr: FCR,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]      |
[INFO] [stdout] 5902 |         pub fcr: std::mem::ManuallyDrop<FCR>,
[INFO] [stdout]      |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]      --> src/lib.rs:10762:9
[INFO] [stdout]       |
[INFO] [stdout] 10762 |         pub dll: DLL,
[INFO] [stdout]       |         ^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]       |
[INFO] [stdout] 10762 |         pub dll: std::mem::ManuallyDrop<DLL>,
[INFO] [stdout]       |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]      --> src/lib.rs:10772:9
[INFO] [stdout]       |
[INFO] [stdout] 10772 |         pub ier: IER,
[INFO] [stdout]       |         ^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]       |
[INFO] [stdout] 10772 |         pub ier: std::mem::ManuallyDrop<IER>,
[INFO] [stdout]       |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]      --> src/lib.rs:10780:9
[INFO] [stdout]       |
[INFO] [stdout] 10780 |         pub fcr: FCR,
[INFO] [stdout]       |         ^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]       |
[INFO] [stdout] 10780 |         pub fcr: std::mem::ManuallyDrop<FCR>,
[INFO] [stdout]       |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]     --> src/lib.rs:5884:9
[INFO] [stdout]      |
[INFO] [stdout] 5884 |         pub dll: DLL,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]      |
[INFO] [stdout] 5884 |         pub dll: std::mem::ManuallyDrop<DLL>,
[INFO] [stdout]      |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]     --> src/lib.rs:5894:9
[INFO] [stdout]      |
[INFO] [stdout] 5894 |         pub ier: IER,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]      |
[INFO] [stdout] 5894 |         pub ier: std::mem::ManuallyDrop<IER>,
[INFO] [stdout]      |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]     --> src/lib.rs:5902:9
[INFO] [stdout]      |
[INFO] [stdout] 5902 |         pub fcr: FCR,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]      |
[INFO] [stdout] 5902 |         pub fcr: std::mem::ManuallyDrop<FCR>,
[INFO] [stdout]      |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]      --> src/lib.rs:10762:9
[INFO] [stdout]       |
[INFO] [stdout] 10762 |         pub dll: DLL,
[INFO] [stdout]       |         ^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]       |
[INFO] [stdout] 10762 |         pub dll: std::mem::ManuallyDrop<DLL>,
[INFO] [stdout]       |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]      --> src/lib.rs:10772:9
[INFO] [stdout]       |
[INFO] [stdout] 10772 |         pub ier: IER,
[INFO] [stdout]       |         ^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]       |
[INFO] [stdout] 10772 |         pub ier: std::mem::ManuallyDrop<IER>,
[INFO] [stdout]       |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]      --> src/lib.rs:10780:9
[INFO] [stdout]       |
[INFO] [stdout] 10780 |         pub fcr: FCR,
[INFO] [stdout]       |         ^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]       |
[INFO] [stdout] 10780 |         pub fcr: std::mem::ManuallyDrop<FCR>,
[INFO] [stdout]       |                  +++++++++++++++++++++++   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]       --> src/lib.rs:137517:9
[INFO] [stdout]        |
[INFO] [stdout] 137517 |         pub i2c_wo: I2C_WO,
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]        |
[INFO] [stdout] 137517 |         pub i2c_wo: std::mem::ManuallyDrop<I2C_WO>,
[INFO] [stdout]        |                     +++++++++++++++++++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]       --> src/lib.rs:137525:9
[INFO] [stdout]        |
[INFO] [stdout] 137525 |         pub otgclkctrl: OTGCLKCTRL,
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]        |
[INFO] [stdout] 137525 |         pub otgclkctrl: std::mem::ManuallyDrop<OTGCLKCTRL>,
[INFO] [stdout]        |                         +++++++++++++++++++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]       --> src/lib.rs:137533:9
[INFO] [stdout]        |
[INFO] [stdout] 137533 |         pub otgclkst: OTGCLKST,
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]        |
[INFO] [stdout] 137533 |         pub otgclkst: std::mem::ManuallyDrop<OTGCLKST>,
[INFO] [stdout]        |                       +++++++++++++++++++++++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]       --> src/lib.rs:137517:9
[INFO] [stdout]        |
[INFO] [stdout] 137517 |         pub i2c_wo: I2C_WO,
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]        |
[INFO] [stdout] 137517 |         pub i2c_wo: std::mem::ManuallyDrop<I2C_WO>,
[INFO] [stdout]        |                     +++++++++++++++++++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]       --> src/lib.rs:137525:9
[INFO] [stdout]        |
[INFO] [stdout] 137525 |         pub otgclkctrl: OTGCLKCTRL,
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]        |
[INFO] [stdout] 137525 |         pub otgclkctrl: std::mem::ManuallyDrop<OTGCLKCTRL>,
[INFO] [stdout]        |                         +++++++++++++++++++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
[INFO] [stdout]       --> src/lib.rs:137533:9
[INFO] [stdout]        |
[INFO] [stdout] 137533 |         pub otgclkst: OTGCLKST,
[INFO] [stdout]        |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]        |
[INFO] [stdout]        = note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
[INFO] [stdout] help: wrap the field type in `ManuallyDrop<...>`
[INFO] [stdout]        |
[INFO] [stdout] 137533 |         pub otgclkst: std::mem::ManuallyDrop<OTGCLKST>,
[INFO] [stdout]        |                       +++++++++++++++++++++++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lpc176x-5x` (lib test) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0557, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lpc176x-5x` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "6a629f844de14817b3477e795c908f786f895025f6d21df2a571737d69ccd82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a629f844de14817b3477e795c908f786f895025f6d21df2a571737d69ccd82d", kill_on_drop: false }`
[INFO] [stdout] 6a629f844de14817b3477e795c908f786f895025f6d21df2a571737d69ccd82d
