[INFO] fetching crate dlt 0.4.0...
[INFO] checking dlt-0.4.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate dlt 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dlt 0.4.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dlt 0.4.0
[INFO] finished tweaking crates.io crate dlt 0.4.0
[INFO] tweaked toml for crates.io crate dlt 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58fd7c681b7d06c1299944d00f39bae4a5a281f077a830a4c7b038f31158829a
[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" "58fd7c681b7d06c1299944d00f39bae4a5a281f077a830a4c7b038f31158829a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58fd7c681b7d06c1299944d00f39bae4a5a281f077a830a4c7b038f31158829a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fd7c681b7d06c1299944d00f39bae4a5a281f077a830a4c7b038f31158829a", kill_on_drop: false }`
[INFO] [stdout] 58fd7c681b7d06c1299944d00f39bae4a5a281f077a830a4c7b038f31158829a
[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" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9f352a4a6dd93e67aa9369ae52006af12b83bb6f4888daf751c9de2fae41be
[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" "6b9f352a4a6dd93e67aa9369ae52006af12b83bb6f4888daf751c9de2fae41be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]     Checking nalgebra v0.23.1
[INFO] [stderr]     Checking dlt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.28s
[INFO] running `Command { std: "docker" "inspect" "6b9f352a4a6dd93e67aa9369ae52006af12b83bb6f4888daf751c9de2fae41be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9f352a4a6dd93e67aa9369ae52006af12b83bb6f4888daf751c9de2fae41be", kill_on_drop: false }`
[INFO] [stdout] 6b9f352a4a6dd93e67aa9369ae52006af12b83bb6f4888daf751c9de2fae41be