[INFO] fetching crate rgb-core 0.4.2...
[INFO] checking rgb-core-0.4.2 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate rgb-core 0.4.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rgb-core 0.4.2 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb-core 0.4.2
[INFO] finished tweaking crates.io crate rgb-core 0.4.2
[INFO] tweaked toml for crates.io crate rgb-core 0.4.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rgb-core 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72990c49c7d7633f2ddcff0487b488691bc052943001efbbb98cafdcf1464ec7
[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" "72990c49c7d7633f2ddcff0487b488691bc052943001efbbb98cafdcf1464ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72990c49c7d7633f2ddcff0487b488691bc052943001efbbb98cafdcf1464ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72990c49c7d7633f2ddcff0487b488691bc052943001efbbb98cafdcf1464ec7", kill_on_drop: false }`
[INFO] [stdout] 72990c49c7d7633f2ddcff0487b488691bc052943001efbbb98cafdcf1464ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b943811f39c257a152e26d55f0e69db412fde60434ba286a4ef648d2ac2c0e
[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" "d5b943811f39c257a152e26d55f0e69db412fde60434ba286a4ef648d2ac2c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]    Compiling amplify_derive_helpers v0.0.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]     Checking serde_str_helpers v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking serde_with v1.5.1
[INFO] [stderr]     Checking stringly_conversions v0.1.1
[INFO] [stderr]     Checking amplify v3.2.0
[INFO] [stderr]     Checking grin_secp256k1zkp v0.7.10
[INFO] [stderr]    Compiling strict_encoding_derive v1.0.0
[INFO] [stderr]    Compiling lightning_encoding_derive v0.4.0
[INFO] [stderr]     Checking bitcoin v0.26.0
[INFO] [stderr]     Checking miniscript v5.1.0
[INFO] [stderr]     Checking slip132 v0.3.3
[INFO] [stderr]     Checking strict_encoding v1.2.0
[INFO] [stderr]     Checking descriptor-wallet v0.4.0
[INFO] [stderr]     Checking client_side_validation v0.4.0
[INFO] [stderr]     Checking lightning_encoding v0.4.0-beta.1
[INFO] [stderr]     Checking lnpbp v0.4.0
[INFO] [stderr]     Checking rgb-core v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.39s
[INFO] running `Command { std: "docker" "inspect" "d5b943811f39c257a152e26d55f0e69db412fde60434ba286a4ef648d2ac2c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b943811f39c257a152e26d55f0e69db412fde60434ba286a4ef648d2ac2c0e", kill_on_drop: false }`
[INFO] [stdout] d5b943811f39c257a152e26d55f0e69db412fde60434ba286a4ef648d2ac2c0e