[INFO] fetching crate reference-trie 0.22.0...
[INFO] checking reference-trie-0.22.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate reference-trie 0.22.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reference-trie 0.22.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reference-trie 0.22.0
[INFO] finished tweaking crates.io crate reference-trie 0.22.0
[INFO] tweaked toml for crates.io crate reference-trie 0.22.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a666beb7d098174a3db09f9ae3c69facc20f9b679509aec4bb89692a7857546
[INFO] running `Command { std: "docker" "start" "-a" "0a666beb7d098174a3db09f9ae3c69facc20f9b679509aec4bb89692a7857546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a666beb7d098174a3db09f9ae3c69facc20f9b679509aec4bb89692a7857546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a666beb7d098174a3db09f9ae3c69facc20f9b679509aec4bb89692a7857546", kill_on_drop: false }`
[INFO] [stdout] 0a666beb7d098174a3db09f9ae3c69facc20f9b679509aec4bb89692a7857546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11b91da4b0449924a4675c15323186cf2cd74f264df602774215ba53d63e7109
[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" "11b91da4b0449924a4675c15323186cf2cd74f264df602774215ba53d63e7109", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking trie-db v0.22.2
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking keccak-hasher v0.15.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking trie-standardmap v0.15.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking memory-db v0.21.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking trie-bench v0.23.0
[INFO] [stderr]     Checking reference-trie v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "11b91da4b0449924a4675c15323186cf2cd74f264df602774215ba53d63e7109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b91da4b0449924a4675c15323186cf2cd74f264df602774215ba53d63e7109", kill_on_drop: false }`
[INFO] [stdout] 11b91da4b0449924a4675c15323186cf2cd74f264df602774215ba53d63e7109