[INFO] fetching crate vapstore 0.2.1...
[INFO] checking vapstore-0.2.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[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 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d105eb3eed35be8e97472ecf0c696b9e1b451867febd20de857e7f1df0402bd
[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" "1d105eb3eed35be8e97472ecf0c696b9e1b451867febd20de857e7f1df0402bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d105eb3eed35be8e97472ecf0c696b9e1b451867febd20de857e7f1df0402bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d105eb3eed35be8e97472ecf0c696b9e1b451867febd20de857e7f1df0402bd", kill_on_drop: false }`
[INFO] [stdout] 1d105eb3eed35be8e97472ecf0c696b9e1b451867febd20de857e7f1df0402bd
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca768fe1272ef6b50164b995b65e5fbc936abb03f0e9372ecbe9d13745e517f7
[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" "ca768fe1272ef6b50164b995b65e5fbc936abb03f0e9372ecbe9d13745e517f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking tetsy-hash-db v0.15.3
[INFO] [stderr]     Checking tetsy-bytes v0.1.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking edit-distance v2.1.0
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling tetsy-secp256k1 v0.7.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking tetsy-rlp v0.4.5
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking tetsy-impl-serde v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tetsy-impl-rlp v0.2.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking uint-crate v0.8.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking tetsy-plain-hasher v0.2.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking tetsy-scale-codec v1.3.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking tetsy-fixed-hash v0.5.0
[INFO] [stderr]     Checking tetsy-wordlist v1.3.1
[INFO] [stderr]     Checking vapbloom v0.8.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking tetsy-impl-codec v0.4.1
[INFO] [stderr]     Checking tetsy-primitive-types v0.6.0
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking vapory-types v0.8.0
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking tetsy-keccak-hasher v0.1.1
[INFO] [stderr]     Checking fastmap v0.1.0
[INFO] [stderr]     Checking tetsy-crypto v0.4.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling tetsy-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking tetsy-util-mem v0.3.0
[INFO] [stderr]     Checking tetsy-util-mem v0.4.2
[INFO] [stderr]     Checking tetsy-memory-db v0.18.1
[INFO] [stderr]     Checking tetsy-kvdb v0.3.2
[INFO] [stderr]     Checking vapkey v0.4.0
[INFO] [stderr]     Checking journaldb v0.2.0
[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 56.80s
[INFO] running `Command { std: "docker" "inspect" "ca768fe1272ef6b50164b995b65e5fbc936abb03f0e9372ecbe9d13745e517f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca768fe1272ef6b50164b995b65e5fbc936abb03f0e9372ecbe9d13745e517f7", kill_on_drop: false }`
[INFO] [stdout] ca768fe1272ef6b50164b995b65e5fbc936abb03f0e9372ecbe9d13745e517f7