[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] c07eedbcb8d9b81546006671308b2639064d86bc
[INFO] testing gamgi/pregex against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamgi%2Fpregex" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamgi/pregex on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-92/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: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9af1bc7b8575d56ec0387fe499b5019075c60a48f9fd2d328d1c297b9e94ceb1
[INFO] running `Command { std: "docker" "start" "-a" "9af1bc7b8575d56ec0387fe499b5019075c60a48f9fd2d328d1c297b9e94ceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9af1bc7b8575d56ec0387fe499b5019075c60a48f9fd2d328d1c297b9e94ceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af1bc7b8575d56ec0387fe499b5019075c60a48f9fd2d328d1c297b9e94ceb1", kill_on_drop: false }`
[INFO] [stdout] 9af1bc7b8575d56ec0387fe499b5019075c60a48f9fd2d328d1c297b9e94ceb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b76907ee488ffb5a865c99b12ea826b5c1d52b0fc7fed6dd12c6519ed91a86b1
[INFO] running `Command { std: "docker" "start" "-a" "b76907ee488ffb5a865c99b12ea826b5c1d52b0fc7fed6dd12c6519ed91a86b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling clap v3.0.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling nalgebra v0.27.1
[INFO] [stderr]    Compiling statrs v0.15.0
[INFO] [stderr]    Compiling pregex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/nfa.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         _ => {
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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; 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 `pregex` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b76907ee488ffb5a865c99b12ea826b5c1d52b0fc7fed6dd12c6519ed91a86b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76907ee488ffb5a865c99b12ea826b5c1d52b0fc7fed6dd12c6519ed91a86b1", kill_on_drop: false }`
[INFO] [stdout] b76907ee488ffb5a865c99b12ea826b5c1d52b0fc7fed6dd12c6519ed91a86b1