[INFO] fetching crate gelf_logger 0.1.4...
[INFO] checking gelf_logger-0.1.4 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate gelf_logger 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gelf_logger 0.1.4 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gelf_logger 0.1.4
[INFO] finished tweaking crates.io crate gelf_logger 0.1.4
[INFO] tweaked toml for crates.io crate gelf_logger 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1910993965fe47ac0aa6df92e259ece9e02b8bf131ff8e1f9ceb91c670c5644
[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" "d1910993965fe47ac0aa6df92e259ece9e02b8bf131ff8e1f9ceb91c670c5644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1910993965fe47ac0aa6df92e259ece9e02b8bf131ff8e1f9ceb91c670c5644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1910993965fe47ac0aa6df92e259ece9e02b8bf131ff8e1f9ceb91c670c5644", kill_on_drop: false }`
[INFO] [stdout] d1910993965fe47ac0aa6df92e259ece9e02b8bf131ff8e1f9ceb91c670c5644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b3bebc630fb80346b46da99fe142f8756fe2718d739b2270e4fe8f1c6f7422d
[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" "2b3bebc630fb80346b46da99fe142f8756fe2718d739b2270e4fe8f1c6f7422d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde-value-utils v0.1.0
[INFO] [stderr]     Checking serde_gelf v0.1.6
[INFO] [stderr]     Checking gelf_logger v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.06s
[INFO] running `Command { std: "docker" "inspect" "2b3bebc630fb80346b46da99fe142f8756fe2718d739b2270e4fe8f1c6f7422d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3bebc630fb80346b46da99fe142f8756fe2718d739b2270e4fe8f1c6f7422d", kill_on_drop: false }`
[INFO] [stdout] 2b3bebc630fb80346b46da99fe142f8756fe2718d739b2270e4fe8f1c6f7422d