[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] e9b09750496976677d9dfaf34f4b9773f8ea2a5e
[INFO] checking gamgi/pregex/e9b09750496976677d9dfaf34f4b9773f8ea2a5e against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamgi%2Fpregex" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamgi/pregex on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "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-6-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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.4.1
[INFO] [stderr]   Downloaded pest_meta v2.4.1
[INFO] [stderr]   Downloaded pest_generator v2.4.1
[INFO] [stderr]   Downloaded rand_distr v0.4.2
[INFO] [stderr]   Downloaded pest v2.4.1
[INFO] [stderr]   Downloaded statrs v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52da99ddcad2702e0fe3c702ab0047dadbbb9345e53458a1300aab589c1226df
[INFO] running `Command { std: "docker" "start" "-a" "52da99ddcad2702e0fe3c702ab0047dadbbb9345e53458a1300aab589c1226df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52da99ddcad2702e0fe3c702ab0047dadbbb9345e53458a1300aab589c1226df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52da99ddcad2702e0fe3c702ab0047dadbbb9345e53458a1300aab589c1226df", kill_on_drop: false }`
[INFO] [stdout] 52da99ddcad2702e0fe3c702ab0047dadbbb9345e53458a1300aab589c1226df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7289ca6f9716a5a4bd00b81de9fc2b5efbd9604f8262cf69297c358b590c3302
[INFO] running `Command { std: "docker" "start" "-a" "7289ca6f9716a5a4bd00b81de9fc2b5efbd9604f8262cf69297c358b590c3302", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking wide v0.7.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking rand_distr v0.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.3
[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 pest_meta v2.4.1
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]    Compiling pest_generator v2.4.1
[INFO] [stderr]    Compiling pest_derive v2.4.1
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking statrs v0.16.0
[INFO] [stderr]     Checking pregex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `hash_drain_filter`
[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[E0635]: unknown feature `hash_drain_filter`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pregex` (bin "pregex") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pregex` (bin "pregex" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7289ca6f9716a5a4bd00b81de9fc2b5efbd9604f8262cf69297c358b590c3302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7289ca6f9716a5a4bd00b81de9fc2b5efbd9604f8262cf69297c358b590c3302", kill_on_drop: false }`
[INFO] [stdout] 7289ca6f9716a5a4bd00b81de9fc2b5efbd9604f8262cf69297c358b590c3302