[INFO] cloning repository https://github.com/keepitupkitty/clever-x86-hack-for-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keepitupkitty/clever-x86-hack-for-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeepitupkitty%2Fclever-x86-hack-for-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeepitupkitty%2Fclever-x86-hack-for-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7798c0da676df6e128dc28fd76b1e2eea24e9c1
[INFO] testing keepitupkitty/clever-x86-hack-for-rust against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeepitupkitty%2Fclever-x86-hack-for-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/keepitupkitty/clever-x86-hack-for-rust
[INFO] finished tweaking git repo https://github.com/keepitupkitty/clever-x86-hack-for-rust
[INFO] tweaked toml for git repo https://github.com/keepitupkitty/clever-x86-hack-for-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/keepitupkitty/clever-x86-hack-for-rust on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/keepitupkitty/clever-x86-hack-for-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9f8c0d116aca1c7c7858e701a03eed975cec38ed3814e411d371250299f8862
[INFO] running `Command { std: "docker" "start" "-a" "c9f8c0d116aca1c7c7858e701a03eed975cec38ed3814e411d371250299f8862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9f8c0d116aca1c7c7858e701a03eed975cec38ed3814e411d371250299f8862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f8c0d116aca1c7c7858e701a03eed975cec38ed3814e411d371250299f8862", kill_on_drop: false }`
[INFO] [stdout] c9f8c0d116aca1c7c7858e701a03eed975cec38ed3814e411d371250299f8862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e6a88db149731fba25d1e09b6727f75128ce5f6b392946cb13dd1f3ecce374
[INFO] running `Command { std: "docker" "start" "-a" "72e6a88db149731fba25d1e09b6727f75128ce5f6b392946cb13dd1f3ecce374", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling x86hack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(c_variadic, phantom_variance_markers, core_intrinsics)]
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `arg` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]    --> src/lib.rs:169:50
[INFO] [stdout]     |
[INFO] [stdout] 169 |   unsafe { println!("Potential size_t: {}", args.arg::<usize>()) };
[INFO] [stdout]     |                                                  ^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86hack` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "72e6a88db149731fba25d1e09b6727f75128ce5f6b392946cb13dd1f3ecce374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e6a88db149731fba25d1e09b6727f75128ce5f6b392946cb13dd1f3ecce374", kill_on_drop: false }`
[INFO] [stdout] 72e6a88db149731fba25d1e09b6727f75128ce5f6b392946cb13dd1f3ecce374
