[INFO] fetching crate userspace_build 0.1.124... [INFO] building userspace_build-0.1.124 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate userspace_build 0.1.124 into /workspace/builds/worker-5-tc2/source [INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate userspace_build 0.1.124 [INFO] finished tweaking crates.io crate userspace_build 0.1.124 [INFO] tweaked toml for crates.io crate userspace_build 0.1.124 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate userspace_build 0.1.124 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate userspace_build 0.1.124 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6893911c86e982394e576cfde9c31fcd3c5301bdce8787d9ca37668db1de69f6 [INFO] running `Command { std: "docker" "start" "-a" "6893911c86e982394e576cfde9c31fcd3c5301bdce8787d9ca37668db1de69f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6893911c86e982394e576cfde9c31fcd3c5301bdce8787d9ca37668db1de69f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6893911c86e982394e576cfde9c31fcd3c5301bdce8787d9ca37668db1de69f6", kill_on_drop: false }` [INFO] [stdout] 6893911c86e982394e576cfde9c31fcd3c5301bdce8787d9ca37668db1de69f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87267d04c7e2c5f6016b363e922f517c54db6a89b1c03f73672ef3cc1496b689 [INFO] running `Command { std: "docker" "start" "-a" "87267d04c7e2c5f6016b363e922f517c54db6a89b1c03f73672ef3cc1496b689", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.2.34 [INFO] [stderr] Compiling ample v0.1.1 [INFO] [stderr] Compiling userspace_build v0.1.124 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `file_descriptor` [INFO] [stdout] --> src/file/traits/readable.rs:20:29 [INFO] [stdout] | [INFO] [stdout] 20 | fn read_from_descriptor(file_descriptor: isize, offset: usize, endianness: bool) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 20 | fn read_from_descriptor(_file_descriptor: isize, offset: usize, endianness: bool) -> Self [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `CREAT` [INFO] [stdout] | [INFO] [stdout] 20 - fn read_from_descriptor(file_descriptor: isize, offset: usize, endianness: bool) -> Self [INFO] [stdout] 20 + fn read_from_descriptor(target::operating_system::linux::syscall::open::at_flags::constants::CREAT: isize, offset: usize, endianness: bool) -> Self [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/file/traits/readable.rs:20:53 [INFO] [stdout] | [INFO] [stdout] 20 | fn read_from_descriptor(file_descriptor: isize, offset: usize, endianness: bool) -> Self [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 20 | fn read_from_descriptor(file_descriptor: isize, _offset: usize, endianness: bool) -> Self [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `NN` [INFO] [stdout] | [INFO] [stdout] 20 - fn read_from_descriptor(file_descriptor: isize, offset: usize, endianness: bool) -> Self [INFO] [stdout] 20 + fn read_from_descriptor(file_descriptor: isize, for [usize; N]>::from_bytes::NN: usize, endianness: bool) -> Self [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `endianness` [INFO] [stdout] --> src/file/traits/readable.rs:20:68 [INFO] [stdout] | [INFO] [stdout] 20 | fn read_from_descriptor(file_descriptor: isize, offset: usize, endianness: bool) -> Self [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/file/traits/readable.rs:34:26 [INFO] [stdout] | [INFO] [stdout] 34 | fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/file/traits/readable.rs:34:42 [INFO] [stdout] | [INFO] [stdout] 34 | fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 34 | fn read_from_pointer(ptr: *const u8, _offset: usize, endianness: bool) -> Self { [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `NN` [INFO] [stdout] | [INFO] [stdout] 34 - fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] 34 + fn read_from_pointer(ptr: *const u8, for [usize; N]>::from_bytes::NN: usize, endianness: bool) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `endianness` [INFO] [stdout] --> src/file/traits/readable.rs:34:57 [INFO] [stdout] | [INFO] [stdout] 34 | fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/file/traits/readable.rs:46:23 [INFO] [stdout] | [INFO] [stdout] 46 | fn read_from_path(path: &str, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/file/traits/readable.rs:46:35 [INFO] [stdout] | [INFO] [stdout] 46 | fn read_from_path(path: &str, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 46 | fn read_from_path(path: &str, _offset: usize, endianness: bool) -> Self { [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `NN` [INFO] [stdout] | [INFO] [stdout] 46 - fn read_from_path(path: &str, offset: usize, endianness: bool) -> Self { [INFO] [stdout] 46 + fn read_from_path(path: &str, for [usize; N]>::from_bytes::NN: usize, endianness: bool) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `endianness` [INFO] [stdout] --> src/file/traits/readable.rs:46:50 [INFO] [stdout] | [INFO] [stdout] 46 | fn read_from_path(path: &str, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fd` [INFO] [stdout] --> src/file/traits/readable.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 50 | fn read_from_descriptor(fd: isize, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 50 | fn read_from_descriptor(_fd: isize, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `CREAT` [INFO] [stdout] | [INFO] [stdout] 50 - fn read_from_descriptor(fd: isize, offset: usize, endianness: bool) -> Self { [INFO] [stdout] 50 + fn read_from_descriptor(target::operating_system::linux::syscall::open::at_flags::constants::CREAT: isize, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/file/traits/readable.rs:50:40 [INFO] [stdout] | [INFO] [stdout] 50 | fn read_from_descriptor(fd: isize, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 50 | fn read_from_descriptor(fd: isize, _offset: usize, endianness: bool) -> Self { [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `NN` [INFO] [stdout] | [INFO] [stdout] 50 - fn read_from_descriptor(fd: isize, offset: usize, endianness: bool) -> Self { [INFO] [stdout] 50 + fn read_from_descriptor(fd: isize, for [usize; N]>::from_bytes::NN: usize, endianness: bool) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `endianness` [INFO] [stdout] --> src/file/traits/readable.rs:50:55 [INFO] [stdout] | [INFO] [stdout] 50 | fn read_from_descriptor(fd: isize, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/file/traits/readable.rs:54:26 [INFO] [stdout] | [INFO] [stdout] 54 | fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/file/traits/readable.rs:54:42 [INFO] [stdout] | [INFO] [stdout] 54 | fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 54 | fn read_from_pointer(ptr: *const u8, _offset: usize, endianness: bool) -> Self { [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `NN` [INFO] [stdout] | [INFO] [stdout] 54 - fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] 54 + fn read_from_pointer(ptr: *const u8, for [usize; N]>::from_bytes::NN: usize, endianness: bool) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `endianness` [INFO] [stdout] --> src/file/traits/readable.rs:54:57 [INFO] [stdout] | [INFO] [stdout] 54 | fn read_from_pointer(ptr: *const u8, offset: usize, endianness: bool) -> Self { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endianness` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unwinding panics are not supported without std [INFO] [stdout] | [INFO] [stdout] = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding [INFO] [stdout] = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `userspace_build` (bin "userspace") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "87267d04c7e2c5f6016b363e922f517c54db6a89b1c03f73672ef3cc1496b689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87267d04c7e2c5f6016b363e922f517c54db6a89b1c03f73672ef3cc1496b689", kill_on_drop: false }` [INFO] [stdout] 87267d04c7e2c5f6016b363e922f517c54db6a89b1c03f73672ef3cc1496b689