[INFO] fetching crate ucd-generate 0.2.8...
[INFO] checking ucd-generate-0.2.8 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate ucd-generate 0.2.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ucd-generate 0.2.8 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ucd-generate 0.2.8
[INFO] finished tweaking crates.io crate ucd-generate 0.2.8
[INFO] tweaked toml for crates.io crate ucd-generate 0.2.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ucd-generate 0.2.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd847b98aa4304322733da7d2802e1ec3f2a1de00bc5d31c0340ce3b5c2d7e1b
[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" "fd847b98aa4304322733da7d2802e1ec3f2a1de00bc5d31c0340ce3b5c2d7e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd847b98aa4304322733da7d2802e1ec3f2a1de00bc5d31c0340ce3b5c2d7e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd847b98aa4304322733da7d2802e1ec3f2a1de00bc5d31c0340ce3b5c2d7e1b", kill_on_drop: false }`
[INFO] [stdout] fd847b98aa4304322733da7d2802e1ec3f2a1de00bc5d31c0340ce3b5c2d7e1b
[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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c5867a429f8a2f1800a3a49240a9a7370d4e9f90eecf5a61b1c7c207ad934d
[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" "b0c5867a429f8a2f1800a3a49240a9a7370d4e9f90eecf5a61b1c7c207ad934d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fst v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ucd-parse v0.1.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking ucd-generate v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.74s
[INFO] running `Command { std: "docker" "inspect" "b0c5867a429f8a2f1800a3a49240a9a7370d4e9f90eecf5a61b1c7c207ad934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c5867a429f8a2f1800a3a49240a9a7370d4e9f90eecf5a61b1c7c207ad934d", kill_on_drop: false }`
[INFO] [stdout] b0c5867a429f8a2f1800a3a49240a9a7370d4e9f90eecf5a61b1c7c207ad934d