[INFO] fetching crate cid 0.5.1...
[INFO] checking cid-0.5.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate cid 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cid 0.5.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cid 0.5.1
[INFO] finished tweaking crates.io crate cid 0.5.1
[INFO] tweaked toml for crates.io crate cid 0.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multihash v0.11.4
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.8
[INFO] [stderr]   Downloaded multibase v0.8.0
[INFO] [stderr]   Downloaded unsigned-varint v0.5.1
[INFO] [stderr]   Downloaded blake2s_simd v0.5.10
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68b88ec699da2f4e6d1ab5824becfd70c97b29811a6947332c8b151d07de2252
[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" "68b88ec699da2f4e6d1ab5824becfd70c97b29811a6947332c8b151d07de2252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68b88ec699da2f4e6d1ab5824becfd70c97b29811a6947332c8b151d07de2252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b88ec699da2f4e6d1ab5824becfd70c97b29811a6947332c8b151d07de2252", kill_on_drop: false }`
[INFO] [stdout] 68b88ec699da2f4e6d1ab5824becfd70c97b29811a6947332c8b151d07de2252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f8a15bb45dd727e8ce4a5247061f5166d468c31355cb6aab557e3b7a66a8c0
[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" "51f8a15bb45dd727e8ce4a5247061f5166d468c31355cb6aab557e3b7a66a8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking cid v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.01s
[INFO] running `Command { std: "docker" "inspect" "51f8a15bb45dd727e8ce4a5247061f5166d468c31355cb6aab557e3b7a66a8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f8a15bb45dd727e8ce4a5247061f5166d468c31355cb6aab557e3b7a66a8c0", kill_on_drop: false }`
[INFO] [stdout] 51f8a15bb45dd727e8ce4a5247061f5166d468c31355cb6aab557e3b7a66a8c0