[INFO] fetching crate algorithmia-entrypoint 0.1.0...
[INFO] checking algorithmia-entrypoint-0.1.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate algorithmia-entrypoint 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate algorithmia-entrypoint 0.1.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algorithmia-entrypoint 0.1.0
[INFO] finished tweaking crates.io crate algorithmia-entrypoint 0.1.0
[INFO] tweaked toml for crates.io crate algorithmia-entrypoint 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6c8495a21be86b83a7e44ee58e9442152b405469aecb92ee3b96913a6e9460a
[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" "c6c8495a21be86b83a7e44ee58e9442152b405469aecb92ee3b96913a6e9460a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c8495a21be86b83a7e44ee58e9442152b405469aecb92ee3b96913a6e9460a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c8495a21be86b83a7e44ee58e9442152b405469aecb92ee3b96913a6e9460a", kill_on_drop: false }`
[INFO] [stdout] c6c8495a21be86b83a7e44ee58e9442152b405469aecb92ee3b96913a6e9460a
[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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 63410fb2b3cee77c48825c4294cad6c250d6cde7d9cc7508c020b36f5d5b7bf5
[INFO] running `Command { std: "docker" "start" "-a" "63410fb2b3cee77c48825c4294cad6c250d6cde7d9cc7508c020b36f5d5b7bf5", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking syntex_errors v0.59.1
[INFO] [stderr]     Checking syntex_syntax v0.59.1
[INFO] [stderr]     Checking algorithmia-entrypoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "63410fb2b3cee77c48825c4294cad6c250d6cde7d9cc7508c020b36f5d5b7bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63410fb2b3cee77c48825c4294cad6c250d6cde7d9cc7508c020b36f5d5b7bf5", kill_on_drop: false }`
[INFO] [stdout] 63410fb2b3cee77c48825c4294cad6c250d6cde7d9cc7508c020b36f5d5b7bf5