[INFO] fetching crate bench-trie 0.12.0...
[INFO] checking bench-trie-0.12.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate bench-trie 0.12.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bench-trie 0.12.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bench-trie 0.12.0
[INFO] finished tweaking crates.io crate bench-trie 0.12.0
[INFO] tweaked toml for crates.io crate bench-trie 0.12.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] c3d5e4bda6396e73a9df79ae8175eadb8f8aecb31556e0c9be9d6195cd8e4aaa
[INFO] running `Command { std: "docker" "start" "-a" "c3d5e4bda6396e73a9df79ae8175eadb8f8aecb31556e0c9be9d6195cd8e4aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d5e4bda6396e73a9df79ae8175eadb8f8aecb31556e0c9be9d6195cd8e4aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d5e4bda6396e73a9df79ae8175eadb8f8aecb31556e0c9be9d6195cd8e4aaa", kill_on_drop: false }`
[INFO] [stdout] c3d5e4bda6396e73a9df79ae8175eadb8f8aecb31556e0c9be9d6195cd8e4aaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f503a369a2dbd90282f0a62eabfc0689ad921c3071344e16945b31d7463bf35
[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" "0f503a369a2dbd90282f0a62eabfc0689ad921c3071344e16945b31d7463bf35", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking hash-db v0.12.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking hashmap_core v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking trie-root v0.12.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking hash256-std-hasher v0.12.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking elastic-array v0.10.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking keccak-hasher v0.12.4
[INFO] [stderr]     Checking trie-db v0.12.4
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking susy-codec v3.5.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.2
[INFO] [stderr]     Checking parity-util-mem v0.1.0
[INFO] [stderr]     Checking memory-db v0.12.4
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking susy-trie-standardmap v0.12.2
[INFO] [stderr]     Checking bench-trie v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "0f503a369a2dbd90282f0a62eabfc0689ad921c3071344e16945b31d7463bf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f503a369a2dbd90282f0a62eabfc0689ad921c3071344e16945b31d7463bf35", kill_on_drop: false }`
[INFO] [stdout] 0f503a369a2dbd90282f0a62eabfc0689ad921c3071344e16945b31d7463bf35