[INFO] fetching crate core2 0.3.1...
[INFO] building core2-0.3.1 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate core2 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate core2 0.3.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core2 0.3.1
[INFO] finished tweaking crates.io crate core2 0.3.1
[INFO] tweaked toml for crates.io crate core2 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f08d9a8bd22dcc19358f8c81320089951199edd1e31b97265bd7c8d16cd2b429
[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" "f08d9a8bd22dcc19358f8c81320089951199edd1e31b97265bd7c8d16cd2b429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f08d9a8bd22dcc19358f8c81320089951199edd1e31b97265bd7c8d16cd2b429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08d9a8bd22dcc19358f8c81320089951199edd1e31b97265bd7c8d16cd2b429", kill_on_drop: false }`
[INFO] [stdout] f08d9a8bd22dcc19358f8c81320089951199edd1e31b97265bd7c8d16cd2b429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb04897031957e50a71082b98a2cc96f4a72f4d027fbdb138c81e2597e7fb167
[INFO] running `Command { std: "docker" "start" "-a" "bb04897031957e50a71082b98a2cc96f4a72f4d027fbdb138c81e2597e7fb167", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (17e4d3eceadf9dd2, 8aedf3ac2bade43), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (adab685027c967bc, 8626985ee941285d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (a461baf1ec0090ad, 5af087ad2e78bcae), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (fd2def8403dbf8ed, e550c988fd8abd29), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (b4e06a03ab0904cf, 53b28ff318d9de23), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (f04f4876c901d2ee, acd2c0eb72a92dd7), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (ec30359d6ce404ed, a47f4f67457ab7b), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (49d02366135fea00, 4d39c89542cbd33d), 8, 8
[INFO] [stderr]    Compiling core2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "bb04897031957e50a71082b98a2cc96f4a72f4d027fbdb138c81e2597e7fb167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb04897031957e50a71082b98a2cc96f4a72f4d027fbdb138c81e2597e7fb167", kill_on_drop: false }`
[INFO] [stdout] bb04897031957e50a71082b98a2cc96f4a72f4d027fbdb138c81e2597e7fb167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d88c655a1c54fd74713c03531ab04ea2e638d793ab09c1486221ca8932f2ef4
[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" "2d88c655a1c54fd74713c03531ab04ea2e638d793ab09c1486221ca8932f2ef4", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (17e4d3eceadf9dd2, 8aedf3ac2bade43), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (adab685027c967bc, 8626985ee941285d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (a461baf1ec0090ad, 5af087ad2e78bcae), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (fd2def8403dbf8ed, e550c988fd8abd29), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (b4e06a03ab0904cf, 53b28ff318d9de23), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (f04f4876c901d2ee, acd2c0eb72a92dd7), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (ec30359d6ce404ed, a47f4f67457ab7b), 24, 24
[INFO] [stderr] SG_CR_Eslkdjf: memchr, (49d02366135fea00, 4d39c89542cbd33d), 8, 8
[INFO] [stderr]    Compiling core2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: tests, (66000190d29d683e, 386f5e7ca85d9cbd), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (d6760fa6bb76e4fa, cf61d8c878dd04ae), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (8fee2e9c6c73c38a, 9068a38e65c4ca1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (600a137ad84429cf, 9454b757edd6f5fa), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (dcea2f4f67b6610, 72d01bfdeff8727a), 0, 0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "2d88c655a1c54fd74713c03531ab04ea2e638d793ab09c1486221ca8932f2ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d88c655a1c54fd74713c03531ab04ea2e638d793ab09c1486221ca8932f2ef4", kill_on_drop: false }`
[INFO] [stdout] 2d88c655a1c54fd74713c03531ab04ea2e638d793ab09c1486221ca8932f2ef4