[INFO] fetching crate grin_miner_config 0.5.2...
[INFO] checking grin_miner_config-0.5.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate grin_miner_config 0.5.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate grin_miner_config 0.5.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_miner_config 0.5.2
[INFO] finished tweaking crates.io crate grin_miner_config 0.5.2
[INFO] tweaked toml for crates.io crate grin_miner_config 0.5.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grin_miner_plugin v0.5.2
[INFO] [stderr]   Downloaded grin_miner_util v0.5.2
[INFO] [stderr]   Downloaded cuckoo_miner v0.5.2
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8495e7154a5d32b7135c61e088fb1286e90feabb3d4d4cea22a2f896aca1be14
[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" "8495e7154a5d32b7135c61e088fb1286e90feabb3d4d4cea22a2f896aca1be14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8495e7154a5d32b7135c61e088fb1286e90feabb3d4d4cea22a2f896aca1be14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8495e7154a5d32b7135c61e088fb1286e90feabb3d4d4cea22a2f896aca1be14", kill_on_drop: false }`
[INFO] [stdout] 8495e7154a5d32b7135c61e088fb1286e90feabb3d4d4cea22a2f896aca1be14
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158f9de5da779050c689d9f496c1cb1f7797059efa2f85dd419672d8e7360bc8
[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" "158f9de5da779050c689d9f496c1cb1f7797059efa2f85dd419672d8e7360bc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking grin_miner_plugin v0.5.2
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling cuckoo_miner v0.5.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking grin_miner_util v0.5.2
[INFO] [stderr]     Checking grin_miner_config v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "158f9de5da779050c689d9f496c1cb1f7797059efa2f85dd419672d8e7360bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158f9de5da779050c689d9f496c1cb1f7797059efa2f85dd419672d8e7360bc8", kill_on_drop: false }`
[INFO] [stdout] 158f9de5da779050c689d9f496c1cb1f7797059efa2f85dd419672d8e7360bc8