[INFO] fetching crate ctypes 0.0.1...
[INFO] checking ctypes-0.0.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate ctypes 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ctypes 0.0.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctypes 0.0.1
[INFO] finished tweaking crates.io crate ctypes 0.0.1
[INFO] tweaked toml for crates.io crate ctypes 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066469c3c11378cadf75555c602de80cc34dd2258af404aa88f0dd70c83d1611
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "066469c3c11378cadf75555c602de80cc34dd2258af404aa88f0dd70c83d1611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066469c3c11378cadf75555c602de80cc34dd2258af404aa88f0dd70c83d1611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066469c3c11378cadf75555c602de80cc34dd2258af404aa88f0dd70c83d1611", kill_on_drop: false }`
[INFO] [stdout] 066469c3c11378cadf75555c602de80cc34dd2258af404aa88f0dd70c83d1611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3af445ecb09cd6e081dd62c4b5f519eb60f7d96f6b7b8e743af29fdc9a01de4d
[INFO] running `Command { std: "docker" "start" "-a" "3af445ecb09cd6e081dd62c4b5f519eb60f7d96f6b7b8e743af29fdc9a01de4d", kill_on_drop: false }`
[INFO] [stderr]     Checking ctypes v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0259]: the name `core` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate core;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ `core` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `core` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate core as other_core;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `phase` in this scope
[INFO] [stdout]   --> src/lib.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg(test)] #[phase(plugin, link)] extern crate std;
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0259]: the name `core` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate core;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ `core` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `core` must be defined only once in the type namespace of this module
[INFO] [stdout] help: you can use `as` to change the binding name of the import
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate core as other_core;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0259`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ctypes`
[INFO] [stdout] error[E0412]: cannot find type `iint` in this scope
[INFO] [stdout]    --> src/lib.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |             assert!(size_of::<iint>() != size_of::<int>());
[INFO] [stdout]     |                               ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use x32::iint;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]    --> src/lib.rs:116:52
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn int_is_not_always_int() {
[INFO] [stdout]     |                             - help: you might be missing a type parameter: `<int>`
[INFO] [stdout] ...
[INFO] [stdout] 116 |             assert!(size_of::<iint>() != size_of::<int>());
[INFO] [stdout]     |                                                    ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         use super::*;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0259, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0259`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3af445ecb09cd6e081dd62c4b5f519eb60f7d96f6b7b8e743af29fdc9a01de4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af445ecb09cd6e081dd62c4b5f519eb60f7d96f6b7b8e743af29fdc9a01de4d", kill_on_drop: false }`
[INFO] [stdout] 3af445ecb09cd6e081dd62c4b5f519eb60f7d96f6b7b8e743af29fdc9a01de4d