[INFO] fetching crate curlyconf 0.1.0-alpha.6...
[INFO] checking curlyconf-0.1.0-alpha.6 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate curlyconf 0.1.0-alpha.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate curlyconf 0.1.0-alpha.6 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curlyconf 0.1.0-alpha.6
[INFO] finished tweaking crates.io crate curlyconf 0.1.0-alpha.6
[INFO] tweaked toml for crates.io crate curlyconf 0.1.0-alpha.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate curlyconf 0.1.0-alpha.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39ad8d1f579bd56341364e01d65c7ebfb5c1d5afee763b7fe4d4cc5dd74c8cfe
[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" "39ad8d1f579bd56341364e01d65c7ebfb5c1d5afee763b7fe4d4cc5dd74c8cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39ad8d1f579bd56341364e01d65c7ebfb5c1d5afee763b7fe4d4cc5dd74c8cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ad8d1f579bd56341364e01d65c7ebfb5c1d5afee763b7fe4d4cc5dd74c8cfe", kill_on_drop: false }`
[INFO] [stdout] 39ad8d1f579bd56341364e01d65c7ebfb5c1d5afee763b7fe4d4cc5dd74c8cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3e36b83c47eabfa6deb14fd5ab1781c0477b3faddac76976cac856eac7eb8f5
[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" "d3e36b83c47eabfa6deb14fd5ab1781c0477b3faddac76976cac856eac7eb8f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking serde_test v1.0.118
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking curlyconf v0.1.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.81s
[INFO] running `Command { std: "docker" "inspect" "d3e36b83c47eabfa6deb14fd5ab1781c0477b3faddac76976cac856eac7eb8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e36b83c47eabfa6deb14fd5ab1781c0477b3faddac76976cac856eac7eb8f5", kill_on_drop: false }`
[INFO] [stdout] d3e36b83c47eabfa6deb14fd5ab1781c0477b3faddac76976cac856eac7eb8f5