[INFO] fetching crate proxy_cfg 0.3.6...
[INFO] checking proxy_cfg-0.3.6 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate proxy_cfg 0.3.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate proxy_cfg 0.3.6 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proxy_cfg 0.3.6
[INFO] finished tweaking crates.io crate proxy_cfg 0.3.6
[INFO] tweaked toml for crates.io crate proxy_cfg 0.3.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate proxy_cfg 0.3.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e31da7a227fd71400d8e5c98d402fda6c1a9574c9508b88ad721ee3928deff4
[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" "6e31da7a227fd71400d8e5c98d402fda6c1a9574c9508b88ad721ee3928deff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e31da7a227fd71400d8e5c98d402fda6c1a9574c9508b88ad721ee3928deff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e31da7a227fd71400d8e5c98d402fda6c1a9574c9508b88ad721ee3928deff4", kill_on_drop: false }`
[INFO] [stdout] 6e31da7a227fd71400d8e5c98d402fda6c1a9574c9508b88ad721ee3928deff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--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] 7df1a7f140607eade4d289c4e7a22e0d8ccbc3c615333c6e5777f97dfb4e2155
[INFO] running `Command { std: "docker" "start" "-a" "7df1a7f140607eade4d289c4e7a22e0d8ccbc3c615333c6e5777f97dfb4e2155", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking proxy_cfg v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "7df1a7f140607eade4d289c4e7a22e0d8ccbc3c615333c6e5777f97dfb4e2155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df1a7f140607eade4d289c4e7a22e0d8ccbc3c615333c6e5777f97dfb4e2155", kill_on_drop: false }`
[INFO] [stdout] 7df1a7f140607eade4d289c4e7a22e0d8ccbc3c615333c6e5777f97dfb4e2155