[INFO] fetching crate zbase32 0.1.2...
[INFO] checking zbase32-0.1.2 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate zbase32 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zbase32 0.1.2 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zbase32 0.1.2
[INFO] finished tweaking crates.io crate zbase32 0.1.2
[INFO] tweaked toml for crates.io crate zbase32 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 368734c5696c7bb23ff0a8ba3912bca2493a38ff0b7803029b830cb9e349a8d2
[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" "368734c5696c7bb23ff0a8ba3912bca2493a38ff0b7803029b830cb9e349a8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368734c5696c7bb23ff0a8ba3912bca2493a38ff0b7803029b830cb9e349a8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368734c5696c7bb23ff0a8ba3912bca2493a38ff0b7803029b830cb9e349a8d2", kill_on_drop: false }`
[INFO] [stdout] 368734c5696c7bb23ff0a8ba3912bca2493a38ff0b7803029b830cb9e349a8d2
[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" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 050bdcee89a5131c689a0bae58304a8f26020770035d1f70c5867ab9201591f2
[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" "050bdcee89a5131c689a0bae58304a8f26020770035d1f70c5867ab9201591f2", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]     Checking zbase32 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stderr]    Compiling python3-sys v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.71s
[INFO] running `Command { std: "docker" "inspect" "050bdcee89a5131c689a0bae58304a8f26020770035d1f70c5867ab9201591f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050bdcee89a5131c689a0bae58304a8f26020770035d1f70c5867ab9201591f2", kill_on_drop: false }`
[INFO] [stdout] 050bdcee89a5131c689a0bae58304a8f26020770035d1f70c5867ab9201591f2