[INFO] fetching crate triehash 0.8.4...
[INFO] checking triehash-0.8.4 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate triehash 0.8.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate triehash 0.8.4 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate triehash 0.8.4
[INFO] finished tweaking crates.io crate triehash 0.8.4
[INFO] tweaked toml for crates.io crate triehash 0.8.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc0012b5493d5ca085f3fb6d8f6181859c49bc4f04ed8733f3bce4804a9ff4a9
[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" "cc0012b5493d5ca085f3fb6d8f6181859c49bc4f04ed8733f3bce4804a9ff4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc0012b5493d5ca085f3fb6d8f6181859c49bc4f04ed8733f3bce4804a9ff4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0012b5493d5ca085f3fb6d8f6181859c49bc4f04ed8733f3bce4804a9ff4a9", kill_on_drop: false }`
[INFO] [stdout] cc0012b5493d5ca085f3fb6d8f6181859c49bc4f04ed8733f3bce4804a9ff4a9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dccadf401378960baea8b87770bd670a6f9ed63065af2ec478dc608dd748c98b
[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" "dccadf401378960baea8b87770bd670a6f9ed63065af2ec478dc608dd748c98b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking triehash v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking keccak-hasher v0.15.3
[INFO] [stderr]     Checking trie-standardmap v0.15.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking ethbloom v0.10.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.8.0
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking ethereum-types v0.10.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.81s
[INFO] running `Command { std: "docker" "inspect" "dccadf401378960baea8b87770bd670a6f9ed63065af2ec478dc608dd748c98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccadf401378960baea8b87770bd670a6f9ed63065af2ec478dc608dd748c98b", kill_on_drop: false }`
[INFO] [stdout] dccadf401378960baea8b87770bd670a6f9ed63065af2ec478dc608dd748c98b