[INFO] fetching crate libpebble 0.3.0...
[INFO] testing libpebble-0.3.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate libpebble 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate libpebble 0.3.0
[INFO] finished tweaking crates.io crate libpebble 0.3.0
[INFO] tweaked toml for crates.io crate libpebble 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libpebble 0.3.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.3)
[INFO] [stderr]       Adding pci_types v0.2.0 (available: v0.10.0)
[INFO] [stderr]       Adding ptah v0.1.0 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b73837215f003a8bc04fa26ebe8b441089724717acbdf6b4706158ea1f26aad7
[INFO] running `Command { std: "docker" "start" "-a" "b73837215f003a8bc04fa26ebe8b441089724717acbdf6b4706158ea1f26aad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b73837215f003a8bc04fa26ebe8b441089724717acbdf6b4706158ea1f26aad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73837215f003a8bc04fa26ebe8b441089724717acbdf6b4706158ea1f26aad7", kill_on_drop: false }`
[INFO] [stdout] b73837215f003a8bc04fa26ebe8b441089724717acbdf6b4706158ea1f26aad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88577f2d49a6a8c97c46a16b8df751dadf29554e98157246ecb55135f5e82aa8
[INFO] running `Command { std: "docker" "start" "-a" "88577f2d49a6a8c97c46a16b8df751dadf29554e98157246ecb55135f5e82aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling pci_types v0.2.0
[INFO] [stderr]    Compiling libpebble v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm, decl_macro, const_generics, unsafe_block_in_unsafe_fn, never_type)]
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> src/syscall/raw_x86_64.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         asm!("syscall",
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 1 + use core::arch::asm;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/syscall/raw_x86_64.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         asm!("syscall",
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/syscall/raw_x86_64.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         asm!("syscall",
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/syscall/raw_x86_64.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         asm!("syscall",
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/syscall/raw_x86_64.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         asm!("syscall",
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::arch::asm;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> src/syscall/raw_x86_64.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         asm!("syscall",
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use core::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `unsafe_block_in_unsafe_fn` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm, decl_macro, const_generics, unsafe_block_in_unsafe_fn, never_type)]
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm, decl_macro, const_generics, unsafe_block_in_unsafe_fn, never_type)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpebble` (lib) due to 7 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "88577f2d49a6a8c97c46a16b8df751dadf29554e98157246ecb55135f5e82aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88577f2d49a6a8c97c46a16b8df751dadf29554e98157246ecb55135f5e82aa8", kill_on_drop: false }`
[INFO] [stdout] 88577f2d49a6a8c97c46a16b8df751dadf29554e98157246ecb55135f5e82aa8