[INFO] fetching crate snmalloc-rs 0.2.21...
[INFO] checking snmalloc-rs-0.2.21 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate snmalloc-rs 0.2.21 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate snmalloc-rs 0.2.21 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snmalloc-rs 0.2.21
[INFO] finished tweaking crates.io crate snmalloc-rs 0.2.21
[INFO] tweaked toml for crates.io crate snmalloc-rs 0.2.21 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a3226866569576ead5733f9a7fd8adc4505b2b4681b817ee01ea98bb1786e65
[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" "1a3226866569576ead5733f9a7fd8adc4505b2b4681b817ee01ea98bb1786e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a3226866569576ead5733f9a7fd8adc4505b2b4681b817ee01ea98bb1786e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3226866569576ead5733f9a7fd8adc4505b2b4681b817ee01ea98bb1786e65", kill_on_drop: false }`
[INFO] [stdout] 1a3226866569576ead5733f9a7fd8adc4505b2b4681b817ee01ea98bb1786e65
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c176d02e666cc1938605e46692fe945f18d98bf92900717195d679ca4f16aa88
[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" "c176d02e666cc1938605e46692fe945f18d98bf92900717195d679ca4f16aa88", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling snmalloc-sys v0.2.21
[INFO] [stderr]     Checking snmalloc-rs v0.2.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "c176d02e666cc1938605e46692fe945f18d98bf92900717195d679ca4f16aa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c176d02e666cc1938605e46692fe945f18d98bf92900717195d679ca4f16aa88", kill_on_drop: false }`
[INFO] [stdout] c176d02e666cc1938605e46692fe945f18d98bf92900717195d679ca4f16aa88