[INFO] cloning repository https://github.com/gamgi/pregex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamgi/pregex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamgi%2Fpregex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamgi%2Fpregex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 969d9f43ee323375d64a612ca9fb436b9f7b6437
[INFO] testing gamgi/pregex against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamgi%2Fpregex" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamgi/pregex on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gamgi/pregex
[INFO] finished tweaking git repo https://github.com/gamgi/pregex
[INFO] tweaked toml for git repo https://github.com/gamgi/pregex written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gamgi/pregex 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_meta v2.4.1
[INFO] [stderr]   Downloaded pest_generator v2.4.1
[INFO] [stderr]   Downloaded pest_derive v2.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17bccbdd4fa7c443f2ccc3fb14fdf73f0573c4f09445f97677e2136721a8b33e
[INFO] running `Command { std: "docker" "start" "-a" "17bccbdd4fa7c443f2ccc3fb14fdf73f0573c4f09445f97677e2136721a8b33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17bccbdd4fa7c443f2ccc3fb14fdf73f0573c4f09445f97677e2136721a8b33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bccbdd4fa7c443f2ccc3fb14fdf73f0573c4f09445f97677e2136721a8b33e", kill_on_drop: false }`
[INFO] [stdout] 17bccbdd4fa7c443f2ccc3fb14fdf73f0573c4f09445f97677e2136721a8b33e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f89d57f7473ad16bfd1a6a309b9fe9d6760f6a2fa02ccac6416c5bb5e077cbf
[INFO] running `Command { std: "docker" "start" "-a" "0f89d57f7473ad16bfd1a6a309b9fe9d6760f6a2fa02ccac6416c5bb5e077cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling wide v0.7.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling pest v2.4.1
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling pest_meta v2.4.1
[INFO] [stderr]    Compiling pest_generator v2.4.1
[INFO] [stderr]    Compiling pest_derive v2.4.1
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling statrs v0.16.0
[INFO] [stderr]    Compiling pregex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pregex` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f89d57f7473ad16bfd1a6a309b9fe9d6760f6a2fa02ccac6416c5bb5e077cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f89d57f7473ad16bfd1a6a309b9fe9d6760f6a2fa02ccac6416c5bb5e077cbf", kill_on_drop: false }`
[INFO] [stdout] 0f89d57f7473ad16bfd1a6a309b9fe9d6760f6a2fa02ccac6416c5bb5e077cbf
