[INFO] fetching crate regex_generate 0.2.1...
[INFO] checking regex_generate-0.2.1 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate regex_generate 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate regex_generate 0.2.1 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-1/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2effb2b43cb356321ed687530e24cb556627e3c96d1353bd2f21dcb45c873c0e
[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" "2effb2b43cb356321ed687530e24cb556627e3c96d1353bd2f21dcb45c873c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2effb2b43cb356321ed687530e24cb556627e3c96d1353bd2f21dcb45c873c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2effb2b43cb356321ed687530e24cb556627e3c96d1353bd2f21dcb45c873c0e", kill_on_drop: false }`
[INFO] [stdout] 2effb2b43cb356321ed687530e24cb556627e3c96d1353bd2f21dcb45c873c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6faf37bba1283b2cba682308bd2b1c7af330a485e3df288b4963b69c2f572281
[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" "6faf37bba1283b2cba682308bd2b1c7af330a485e3df288b4963b69c2f572281", 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]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling error-chain v0.12.1
[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]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[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 14.92s
[INFO] running `Command { std: "docker" "inspect" "6faf37bba1283b2cba682308bd2b1c7af330a485e3df288b4963b69c2f572281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6faf37bba1283b2cba682308bd2b1c7af330a485e3df288b4963b69c2f572281", kill_on_drop: false }`
[INFO] [stdout] 6faf37bba1283b2cba682308bd2b1c7af330a485e3df288b4963b69c2f572281