[INFO] fetching crate trie-bench 0.24.0...
[INFO] checking trie-bench-0.24.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate trie-bench 0.24.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate trie-bench 0.24.0 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 trie-bench 0.24.0
[INFO] finished tweaking crates.io crate trie-bench 0.24.0
[INFO] tweaked toml for crates.io crate trie-bench 0.24.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 404f1a713b12f10e112994c51c7b105af3c3dc2d87518175396f7ded1b0f7719
[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" "404f1a713b12f10e112994c51c7b105af3c3dc2d87518175396f7ded1b0f7719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "404f1a713b12f10e112994c51c7b105af3c3dc2d87518175396f7ded1b0f7719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404f1a713b12f10e112994c51c7b105af3c3dc2d87518175396f7ded1b0f7719", kill_on_drop: false }`
[INFO] [stdout] 404f1a713b12f10e112994c51c7b105af3c3dc2d87518175396f7ded1b0f7719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 680bdf02884e1b2be06171cf5c1e077924a43986a2ed88f1c5d35b402a8c2f7b
[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" "680bdf02884e1b2be06171cf5c1e077924a43986a2ed88f1c5d35b402a8c2f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parity-scale-codec v1.3.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking keccak-hasher v0.15.2
[INFO] [stderr]     Checking trie-standardmap v0.15.2
[INFO] [stderr]     Checking trie-db v0.22.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[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 serde_derive v1.0.114
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking trie-bench v0.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.97s
[INFO] running `Command { std: "docker" "inspect" "680bdf02884e1b2be06171cf5c1e077924a43986a2ed88f1c5d35b402a8c2f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680bdf02884e1b2be06171cf5c1e077924a43986a2ed88f1c5d35b402a8c2f7b", kill_on_drop: false }`
[INFO] [stdout] 680bdf02884e1b2be06171cf5c1e077924a43986a2ed88f1c5d35b402a8c2f7b