[INFO] fetching crate downloads 0.0.2...
[INFO] checking downloads-0.0.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate downloads 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate downloads 0.0.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate downloads 0.0.2
[INFO] finished tweaking crates.io crate downloads 0.0.2
[INFO] tweaked toml for crates.io crate downloads 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate downloads 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.3.11
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded pkg-config v0.3.15
[INFO] [stderr]   Downloaded openssl-sys v0.9.49
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded curl-sys v0.4.21
[INFO] [stderr]   Downloaded schannel v0.1.15
[INFO] [stderr]   Downloaded curl v0.4.23
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] 483a7aca7b2fbdbdc789fbb465d3c66edde25fdf6e2b15bfa156dc66759ea265
[INFO] running `Command { std: "docker" "start" "-a" "483a7aca7b2fbdbdc789fbb465d3c66edde25fdf6e2b15bfa156dc66759ea265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "483a7aca7b2fbdbdc789fbb465d3c66edde25fdf6e2b15bfa156dc66759ea265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483a7aca7b2fbdbdc789fbb465d3c66edde25fdf6e2b15bfa156dc66759ea265", kill_on_drop: false }`
[INFO] [stdout] 483a7aca7b2fbdbdc789fbb465d3c66edde25fdf6e2b15bfa156dc66759ea265
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] e48e5ad6e78ba94dd03c06a2490b12aaae61438818ca62cc7992d2beb8929218
[INFO] running `Command { std: "docker" "start" "-a" "e48e5ad6e78ba94dd03c06a2490b12aaae61438818ca62cc7992d2beb8929218", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling curl v0.4.23
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling curl-sys v0.4.21
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking downloads v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.27s
[INFO] running `Command { std: "docker" "inspect" "e48e5ad6e78ba94dd03c06a2490b12aaae61438818ca62cc7992d2beb8929218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48e5ad6e78ba94dd03c06a2490b12aaae61438818ca62cc7992d2beb8929218", kill_on_drop: false }`
[INFO] [stdout] e48e5ad6e78ba94dd03c06a2490b12aaae61438818ca62cc7992d2beb8929218