[INFO] fetching crate serde-indexed 0.0.4...
[INFO] checking serde-indexed-0.0.4 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate serde-indexed 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde-indexed 0.0.4 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-indexed 0.0.4
[INFO] finished tweaking crates.io crate serde-indexed 0.0.4
[INFO] tweaked toml for crates.io crate serde-indexed 0.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 1f9f521c938a1b295140a5baad349c47503cf9856be32033a835c3cd446ab160
[INFO] running `Command { std: "docker" "start" "-a" "1f9f521c938a1b295140a5baad349c47503cf9856be32033a835c3cd446ab160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f9f521c938a1b295140a5baad349c47503cf9856be32033a835c3cd446ab160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9f521c938a1b295140a5baad349c47503cf9856be32033a835c3cd446ab160", kill_on_drop: false }`
[INFO] [stdout] 1f9f521c938a1b295140a5baad349c47503cf9856be32033a835c3cd446ab160
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e31a55ff280f134b4298d7d27b8ab0a502aca46fc5a2de9e7db7ec7b82a9f0
[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" "c1e31a55ff280f134b4298d7d27b8ab0a502aca46fc5a2de9e7db7ec7b82a9f0", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking proc-macro2 v1.0.20
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking serde-indexed v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.11s
[INFO] running `Command { std: "docker" "inspect" "c1e31a55ff280f134b4298d7d27b8ab0a502aca46fc5a2de9e7db7ec7b82a9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e31a55ff280f134b4298d7d27b8ab0a502aca46fc5a2de9e7db7ec7b82a9f0", kill_on_drop: false }`
[INFO] [stdout] c1e31a55ff280f134b4298d7d27b8ab0a502aca46fc5a2de9e7db7ec7b82a9f0