[INFO] fetching crate quantiles 0.7.1...
[INFO] checking quantiles-0.7.1 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate quantiles 0.7.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate quantiles 0.7.1 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quantiles 0.7.1
[INFO] finished tweaking crates.io crate quantiles 0.7.1
[INFO] tweaked toml for crates.io crate quantiles 0.7.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36ea917761f3de985fd6fbf807e020e1f06c446d01c1f7a628fa28374798d4ad
[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" "36ea917761f3de985fd6fbf807e020e1f06c446d01c1f7a628fa28374798d4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ea917761f3de985fd6fbf807e020e1f06c446d01c1f7a628fa28374798d4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ea917761f3de985fd6fbf807e020e1f06c446d01c1f7a628fa28374798d4ad", kill_on_drop: false }`
[INFO] [stdout] 36ea917761f3de985fd6fbf807e020e1f06c446d01c1f7a628fa28374798d4ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2f1890d5f42972dd1d6da8b2c897ffc3af4dc8a885e9927d8680e3ca0fb5cb
[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" "fd2f1890d5f42972dd1d6da8b2c897ffc3af4dc8a885e9927d8680e3ca0fb5cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking quantiles v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking quickcheck v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.28s
[INFO] running `Command { std: "docker" "inspect" "fd2f1890d5f42972dd1d6da8b2c897ffc3af4dc8a885e9927d8680e3ca0fb5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2f1890d5f42972dd1d6da8b2c897ffc3af4dc8a885e9927d8680e3ca0fb5cb", kill_on_drop: false }`
[INFO] [stdout] fd2f1890d5f42972dd1d6da8b2c897ffc3af4dc8a885e9927d8680e3ca0fb5cb