[INFO] fetching crate pew 0.2.3... [INFO] testing pew-0.2.3 against 1.55.0 for beta-1.56-1 [INFO] extracting crate pew 0.2.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate pew 0.2.3 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pew 0.2.3 [INFO] finished tweaking crates.io crate pew 0.2.3 [INFO] tweaked toml for crates.io crate pew 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 675b24f7c18f15a98436569450b4648f4f79deb6f8eb63c3c85dbbd97b2da801 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "675b24f7c18f15a98436569450b4648f4f79deb6f8eb63c3c85dbbd97b2da801", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "675b24f7c18f15a98436569450b4648f4f79deb6f8eb63c3c85dbbd97b2da801", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "675b24f7c18f15a98436569450b4648f4f79deb6f8eb63c3c85dbbd97b2da801", kill_on_drop: false }` [INFO] [stdout] 675b24f7c18f15a98436569450b4648f4f79deb6f8eb63c3c85dbbd97b2da801 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bbb5d8fbef6913d5dab84dfea946a24d1e0ccb43f7a718684b7078e054fbe7e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8bbb5d8fbef6913d5dab84dfea946a24d1e0ccb43f7a718684b7078e054fbe7e", kill_on_drop: false }` [INFO] [stderr] Compiling pew v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported [INFO] [stdout] --> src/lib.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | asm!("" : "+r" (&_v) : : : "volatile"); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace with: `llvm_asm!` [INFO] [stdout] | [INFO] [stdout] = note: consider migrating to the new asm! syntax specified in RFC 2873 [INFO] [stdout] = note: alternatively, switch to llvm_asm! to keep your code working as it is [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported [INFO] [stdout] --> src/lib.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | asm!("" : : : "memory" : "volatile"); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace with: `llvm_asm!` [INFO] [stdout] | [INFO] [stdout] = note: consider migrating to the new asm! syntax specified in RFC 2873 [INFO] [stdout] = note: alternatively, switch to llvm_asm! to keep your code working as it is [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(asm)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmark.rs:17:43 [INFO] [stdout] | [INFO] [stdout] 17 | fn compose(f: Box T>, g: fn(T) -> U) -> Box U> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmark.rs:17:80 [INFO] [stdout] | [INFO] [stdout] 17 | fn compose(f: Box T>, g: fn(T) -> U) -> Box U> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> U` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/benchmark.rs:88:20 [INFO] [stdout] | [INFO] [stdout] 88 | generator: Box T>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> T` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/benchmark.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Once, ONCE_INIT}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/benchmark.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | static HEADER: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/config.rs:53:56 [INFO] [stdout] | [INFO] [stdout] 53 | eprintln!("Illegal regex {}: {}", s, e.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pew` due to 4 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8bbb5d8fbef6913d5dab84dfea946a24d1e0ccb43f7a718684b7078e054fbe7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bbb5d8fbef6913d5dab84dfea946a24d1e0ccb43f7a718684b7078e054fbe7e", kill_on_drop: false }` [INFO] [stdout] 8bbb5d8fbef6913d5dab84dfea946a24d1e0ccb43f7a718684b7078e054fbe7e