[INFO] fetching crate koibumi-core 0.0.7...
[INFO] checking koibumi-core-0.0.7 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate koibumi-core 0.0.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate koibumi-core 0.0.7 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate koibumi-core 0.0.7
[INFO] finished tweaking crates.io crate koibumi-core 0.0.7
[INFO] tweaked toml for crates.io crate koibumi-core 0.0.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b90384f9e1f42698887eaa67fa51cb19bc140a259dd4b5a20437567f5285630
[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" "3b90384f9e1f42698887eaa67fa51cb19bc140a259dd4b5a20437567f5285630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b90384f9e1f42698887eaa67fa51cb19bc140a259dd4b5a20437567f5285630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b90384f9e1f42698887eaa67fa51cb19bc140a259dd4b5a20437567f5285630", kill_on_drop: false }`
[INFO] [stdout] 3b90384f9e1f42698887eaa67fa51cb19bc140a259dd4b5a20437567f5285630
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b7e35d439d153fd9f45cd63636af7d945445ba4a503714409cacc9112cdbc2
[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" "f9b7e35d439d153fd9f45cd63636af7d945445ba4a503714409cacc9112cdbc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking koibumi-socks-core v0.0.1
[INFO] [stderr]     Checking koibumi-base32 v0.0.1
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking block-modes v0.5.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking koibumi-base58 v0.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking koibumi-core v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.74s
[INFO] running `Command { std: "docker" "inspect" "f9b7e35d439d153fd9f45cd63636af7d945445ba4a503714409cacc9112cdbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b7e35d439d153fd9f45cd63636af7d945445ba4a503714409cacc9112cdbc2", kill_on_drop: false }`
[INFO] [stdout] f9b7e35d439d153fd9f45cd63636af7d945445ba4a503714409cacc9112cdbc2