[INFO] fetching crate hstrace 0.0.5...
[INFO] testing hstrace-0.0.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate hstrace 0.0.5 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate hstrace 0.0.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hstrace 0.0.5
[INFO] finished tweaking crates.io crate hstrace 0.0.5
[INFO] tweaked toml for crates.io crate hstrace 0.0.5 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate hstrace 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded shlex v1.0.0
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded bindgen v0.58.1
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded hstrace_derive v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c74f6bd90fc8411968251cec405ca3d37762bab2c79fd4ed1ac8873669cfa7f
[INFO] running `Command { std: "docker" "start" "-a" "9c74f6bd90fc8411968251cec405ca3d37762bab2c79fd4ed1ac8873669cfa7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c74f6bd90fc8411968251cec405ca3d37762bab2c79fd4ed1ac8873669cfa7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c74f6bd90fc8411968251cec405ca3d37762bab2c79fd4ed1ac8873669cfa7f", kill_on_drop: false }`
[INFO] [stdout] 9c74f6bd90fc8411968251cec405ca3d37762bab2c79fd4ed1ac8873669cfa7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b226834ca7153aef98d8007cd9f89025dfa64b89ab682cd046f6b38b1cf9af
[INFO] running `Command { std: "docker" "start" "-a" "25b226834ca7153aef98d8007cd9f89025dfa64b89ab682cd046f6b38b1cf9af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling hstrace_derive v0.0.1
[INFO] [stderr]    Compiling ctrlc v3.1.8
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling hstrace v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(core_intrinsics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(arbitrary_enum_discriminant)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::ptrace::ptrace`: usages of `ptrace()` should be replaced with the specialized helper functions instead
[INFO] [stdout]    --> src/ptrace/syscall_ptrace.rs:197:21
[INFO] [stdout]     |
[INFO] [stdout] 197 |             ptrace::ptrace(
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning 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 `hstrace` due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "25b226834ca7153aef98d8007cd9f89025dfa64b89ab682cd046f6b38b1cf9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b226834ca7153aef98d8007cd9f89025dfa64b89ab682cd046f6b38b1cf9af", kill_on_drop: false }`
[INFO] [stdout] 25b226834ca7153aef98d8007cd9f89025dfa64b89ab682cd046f6b38b1cf9af