[INFO] cloning repository https://github.com/BatmanAoD/TestRustUnwindFfi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BatmanAoD/TestRustUnwindFfi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBatmanAoD%2FTestRustUnwindFfi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBatmanAoD%2FTestRustUnwindFfi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4943d48ae4823d2cb675f7607a6324f518bea75f
[INFO] testing BatmanAoD/TestRustUnwindFfi against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBatmanAoD%2FTestRustUnwindFfi" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BatmanAoD/TestRustUnwindFfi on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BatmanAoD/TestRustUnwindFfi
[INFO] finished tweaking git repo https://github.com/BatmanAoD/TestRustUnwindFfi
[INFO] tweaked toml for git repo https://github.com/BatmanAoD/TestRustUnwindFfi written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/BatmanAoD/TestRustUnwindFfi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b563b92a9aed65f7cc977e693ac35851220656d3ea2359909e0881192d7463
[INFO] running `Command { std: "docker" "start" "-a" "40b563b92a9aed65f7cc977e693ac35851220656d3ea2359909e0881192d7463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b563b92a9aed65f7cc977e693ac35851220656d3ea2359909e0881192d7463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b563b92a9aed65f7cc977e693ac35851220656d3ea2359909e0881192d7463", kill_on_drop: false }`
[INFO] [stdout] 40b563b92a9aed65f7cc977e693ac35851220656d3ea2359909e0881192d7463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd32b2617407af1db6fd2d8014ab02c9723a562f4e014fdb4992af3f4e3aad2
[INFO] running `Command { std: "docker" "start" "-a" "0bd32b2617407af1db6fd2d8014ab02c9723a562f4e014fdb4992af3f4e3aad2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unwind_through v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling panic-runtime v0.0.0 (/opt/rustwide/workdir/src/panic-runtime)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(unwind_attributes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use the C-unwind ABI instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unwind` in this scope
[INFO] [stdout]   --> src/main.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[unwind(allowed)]
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unwind_through` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0bd32b2617407af1db6fd2d8014ab02c9723a562f4e014fdb4992af3f4e3aad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd32b2617407af1db6fd2d8014ab02c9723a562f4e014fdb4992af3f4e3aad2", kill_on_drop: false }`
[INFO] [stdout] 0bd32b2617407af1db6fd2d8014ab02c9723a562f4e014fdb4992af3f4e3aad2