[INFO] fetching crate regex_generate 0.2.1...
[INFO] checking regex_generate-0.2.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate regex_generate 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate regex_generate 0.2.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex_generate 0.2.1
[INFO] finished tweaking crates.io crate regex_generate 0.2.1
[INFO] tweaked toml for crates.io crate regex_generate 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate regex_generate 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5f5d1284bc3e68250c416212e1c7914e9e8a2bc94389476d6079078e27b151b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5f5d1284bc3e68250c416212e1c7914e9e8a2bc94389476d6079078e27b151b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5f5d1284bc3e68250c416212e1c7914e9e8a2bc94389476d6079078e27b151b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f5d1284bc3e68250c416212e1c7914e9e8a2bc94389476d6079078e27b151b", kill_on_drop: false }`
[INFO] [stdout] a5f5d1284bc3e68250c416212e1c7914e9e8a2bc94389476d6079078e27b151b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 042e33fb9c882f0f43ea332759e43e1a90933c5071b4ae1f60f4686ae03969f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "042e33fb9c882f0f43ea332759e43e1a90933c5071b4ae1f60f4686ae03969f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking regex_generate v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "042e33fb9c882f0f43ea332759e43e1a90933c5071b4ae1f60f4686ae03969f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042e33fb9c882f0f43ea332759e43e1a90933c5071b4ae1f60f4686ae03969f6", kill_on_drop: false }`
[INFO] [stdout] 042e33fb9c882f0f43ea332759e43e1a90933c5071b4ae1f60f4686ae03969f6