[INFO] fetching crate pew 0.2.3...
[INFO] testing pew-0.2.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate pew 0.2.3 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate pew 0.2.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d734738139805093140d3da8613335f58c67a945f8cf1bab7efee4787f61e03f
[INFO] running `Command { std: "docker" "start" "-a" "d734738139805093140d3da8613335f58c67a945f8cf1bab7efee4787f61e03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d734738139805093140d3da8613335f58c67a945f8cf1bab7efee4787f61e03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d734738139805093140d3da8613335f58c67a945f8cf1bab7efee4787f61e03f", kill_on_drop: false }`
[INFO] [stdout] d734738139805093140d3da8613335f58c67a945f8cf1bab7efee4787f61e03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f90660af28694d86b1f797e87171330be6fb7c9c63b0970694072b387781fd1
[INFO] running `Command { std: "docker" "start" "-a" "7f90660af28694d86b1f797e87171330be6fb7c9c63b0970694072b387781fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pew v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         asm!("" : "+r" (&_v) : : : "volatile");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            std::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> src/lib.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         asm!("" : : : "memory" : "volatile");
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this macro:
[INFO] [stdout]             std::arch::asm
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/benchmark.rs:88:20
[INFO] [stdout]    |
[INFO] [stdout] 88 |     generator: Box<Fn(u64) -> T>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 -     generator: Box<Fn(u64) -> T>,
[INFO] [stdout] 88 +     generator: Box<dyn Fn(u64) -> T>,
[INFO] [stdout]    | 
[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<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 - fn compose<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stdout] 17 + fn compose<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<dyn Fn(u64) -> U> {
[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<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 - fn compose<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stdout] 17 + fn compose<T: 'static, U: 'static>(f: Box<dyn Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stdout]    | 
[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 2 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pew` due to 3 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7f90660af28694d86b1f797e87171330be6fb7c9c63b0970694072b387781fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f90660af28694d86b1f797e87171330be6fb7c9c63b0970694072b387781fd1", kill_on_drop: false }`
[INFO] [stdout] 7f90660af28694d86b1f797e87171330be6fb7c9c63b0970694072b387781fd1