[INFO] fetching crate vex-libunwind-sys 0.1.0...
[INFO] testing vex-libunwind-sys-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate vex-libunwind-sys 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vex-libunwind-sys 0.1.0
[INFO] finished tweaking crates.io crate vex-libunwind-sys 0.1.0
[INFO] tweaked toml for crates.io crate vex-libunwind-sys 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vex-libunwind-sys 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 705ea5f14023ebac30866addf54974d18cc15924cd408703002613092905a301
[INFO] running `Command { std: "docker" "start" "-a" "705ea5f14023ebac30866addf54974d18cc15924cd408703002613092905a301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705ea5f14023ebac30866addf54974d18cc15924cd408703002613092905a301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705ea5f14023ebac30866addf54974d18cc15924cd408703002613092905a301", kill_on_drop: false }`
[INFO] [stdout] 705ea5f14023ebac30866addf54974d18cc15924cd408703002613092905a301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd1b38cbac88df716f2f361af0259e7a11ecb20a48764fd20ec941cde8567cd8
[INFO] running `Command { std: "docker" "start" "-a" "fd1b38cbac88df716f2f361af0259e7a11ecb20a48764fd20ec941cde8567cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling vex-libunwind-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: vex-libunwind-sys only supports running in an armv7a environment.
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | compile_error!("vex-libunwind-sys only supports running in an armv7a environment.");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `CONTEXT_SIZE` in this scope
[INFO] [stdout]   --> src/lib.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     _data: [u64; CONTEXT_SIZE],
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[cfg(target_arch = "arm")]
[INFO] [stdout]    |       ------------------- the item is gated behind the `arm` feature
[INFO] [stdout] 46 | pub const CONTEXT_SIZE: usize = 42;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `CONTEXT_SIZE` in this scope
[INFO] [stdout]   --> src/lib.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     _data: [u64; CONTEXT_SIZE],
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[cfg(target_arch = "arm")]
[INFO] [stdout]    |       ------------------- the item is gated behind the `arm` feature
[INFO] [stdout] 46 | pub const CONTEXT_SIZE: usize = 42;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] help: you might be missing a const parameter
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct unw_context_t<const CONTEXT_SIZE: /* Type */> {
[INFO] [stdout]    |                         ++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `CURSOR_SIZE` in this scope
[INFO] [stdout]   --> src/lib.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     _data: [u64; CURSOR_SIZE],
[INFO] [stdout]    |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg(target_arch = "arm")]
[INFO] [stdout]    |       ------------------- the item is gated behind the `arm` feature
[INFO] [stdout] 49 | pub const CURSOR_SIZE: usize = 49;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `CURSOR_SIZE` in this scope
[INFO] [stdout]   --> src/lib.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     _data: [u64; CURSOR_SIZE],
[INFO] [stdout]    |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg(target_arch = "arm")]
[INFO] [stdout]    |       ------------------- the item is gated behind the `arm` feature
[INFO] [stdout] 49 | pub const CURSOR_SIZE: usize = 49;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] help: you might be missing a const parameter
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct unw_cursor_t<const CURSOR_SIZE: /* Type */> {
[INFO] [stdout]    |                        +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vex-libunwind-sys` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd1b38cbac88df716f2f361af0259e7a11ecb20a48764fd20ec941cde8567cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1b38cbac88df716f2f361af0259e7a11ecb20a48764fd20ec941cde8567cd8", kill_on_drop: false }`
[INFO] [stdout] fd1b38cbac88df716f2f361af0259e7a11ecb20a48764fd20ec941cde8567cd8