[INFO] fetching crate grin_pool 4.0.1...
[INFO] checking grin_pool-4.0.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate grin_pool 4.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate grin_pool 4.0.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_pool 4.0.1
[INFO] finished tweaking crates.io crate grin_pool 4.0.1
[INFO] tweaked toml for crates.io crate grin_pool 4.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 635e64f0200d06ccb8c5805cd926fa551d41e81e51e7a111824c1176de49b7fe
[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" "635e64f0200d06ccb8c5805cd926fa551d41e81e51e7a111824c1176de49b7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "635e64f0200d06ccb8c5805cd926fa551d41e81e51e7a111824c1176de49b7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635e64f0200d06ccb8c5805cd926fa551d41e81e51e7a111824c1176de49b7fe", kill_on_drop: false }`
[INFO] [stdout] 635e64f0200d06ccb8c5805cd926fa551d41e81e51e7a111824c1176de49b7fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cade07322330a62ebdcee55855cb927ad770a46cb5384eddba66048e548f34c
[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" "4cade07322330a62ebdcee55855cb927ad770a46cb5384eddba66048e548f34c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking grin_secp256k1zkp v0.7.9
[INFO] [stderr]     Checking log4rs v0.12.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]     Checking grin_util v4.0.1
[INFO] [stderr]     Checking grin_keychain v4.0.1
[INFO] [stderr]    Compiling croaring-sys-mw v0.4.5
[INFO] [stderr]     Checking croaring-mw v0.4.5
[INFO] [stderr]     Checking grin_core v4.0.1
[INFO] [stderr]     Checking grin_store v4.0.1
[INFO] [stderr]     Checking grin_pool v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking grin_chain v4.0.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "4cade07322330a62ebdcee55855cb927ad770a46cb5384eddba66048e548f34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cade07322330a62ebdcee55855cb927ad770a46cb5384eddba66048e548f34c", kill_on_drop: false }`
[INFO] [stdout] 4cade07322330a62ebdcee55855cb927ad770a46cb5384eddba66048e548f34c