[INFO] fetching crate vapstore 0.2.1...
[INFO] checking vapstore-0.2.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate vapstore 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vapstore 0.2.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vapstore 0.2.1
[INFO] finished tweaking crates.io crate vapstore 0.2.1
[INFO] tweaked toml for crates.io crate vapstore 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50574c5f7aeda94cf44abd23f6bef6c7749e57efaa00bb014e3890fe40b7dabb
[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" "50574c5f7aeda94cf44abd23f6bef6c7749e57efaa00bb014e3890fe40b7dabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50574c5f7aeda94cf44abd23f6bef6c7749e57efaa00bb014e3890fe40b7dabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50574c5f7aeda94cf44abd23f6bef6c7749e57efaa00bb014e3890fe40b7dabb", kill_on_drop: false }`
[INFO] [stdout] 50574c5f7aeda94cf44abd23f6bef6c7749e57efaa00bb014e3890fe40b7dabb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bda248bfa31ab562ff27a51de41c656cc3b7c2e6d34c384ef6bc751d9988a0d7
[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" "bda248bfa31ab562ff27a51de41c656cc3b7c2e6d34c384ef6bc751d9988a0d7", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]    Compiling typenum v1.13.0
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[INFO] [stderr]     Checking rustc-hex v2.1.0
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[INFO] [stderr]     Checking byte-tools v0.3.1
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking tetsy-scale-codec v1.3.0
[INFO] [stderr]     Checking tetsy-impl-serde v0.2.2
[INFO] [stderr]     Checking vapbloom v0.8.0
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tetsy-impl-codec v0.4.1
[INFO] [stderr]     Checking tetsy-primitive-types v0.6.0
[INFO] [stderr]    Compiling tetsy-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]     Checking vapory-types v0.8.0
[INFO] [stderr]     Checking fastmap v0.1.0
[INFO] [stderr]     Checking tetsy-keccak-hasher v0.1.1
[INFO] [stderr]     Checking tetsy-crypto v0.4.2
[INFO] [stderr]     Checking tetsy-util-mem v0.4.2
[INFO] [stderr]     Checking tetsy-util-mem v0.3.0
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[INFO] [stderr]     Checking tetsy-kvdb v0.3.2
[INFO] [stderr]     Checking journaldb v0.2.0
[INFO] [stderr]     Checking vapkey v0.4.0
[INFO] [stderr]     Checking dir v0.1.2
[INFO] [stderr]     Checking vapstore v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/vapstore.rs:344:3
[INFO] [stdout]     |
[INFO] [stdout] 344 |         mem::replace(&mut *cache, new_accounts);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/vapstore.rs:344:3
[INFO] [stdout]     |
[INFO] [stdout] 344 |         mem::replace(&mut *cache, new_accounts);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "bda248bfa31ab562ff27a51de41c656cc3b7c2e6d34c384ef6bc751d9988a0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda248bfa31ab562ff27a51de41c656cc3b7c2e6d34c384ef6bc751d9988a0d7", kill_on_drop: false }`
[INFO] [stdout] bda248bfa31ab562ff27a51de41c656cc3b7c2e6d34c384ef6bc751d9988a0d7