[INFO] fetching crate bare-metrics-core 0.1.0...
[INFO] checking bare-metrics-core-0.1.0 against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] extracting crate bare-metrics-core 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bare-metrics-core 0.1.0 on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bare-metrics-core 0.1.0
[INFO] finished tweaking crates.io crate bare-metrics-core 0.1.0
[INFO] tweaked toml for crates.io crate bare-metrics-core 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bare v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e379f97fa23bd6ea6c62000c7c2bd56053263b5791efa959c8e83e2f68b8f215
[INFO] running `Command { std: "docker" "start" "-a" "e379f97fa23bd6ea6c62000c7c2bd56053263b5791efa959c8e83e2f68b8f215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e379f97fa23bd6ea6c62000c7c2bd56053263b5791efa959c8e83e2f68b8f215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e379f97fa23bd6ea6c62000c7c2bd56053263b5791efa959c8e83e2f68b8f215", kill_on_drop: false }`
[INFO] [stdout] e379f97fa23bd6ea6c62000c7c2bd56053263b5791efa959c8e83e2f68b8f215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea6d5758757b91c3e57b5b6dd20c12d23db938f03a814cdf88e59fb90f0cbd3
[INFO] running `Command { std: "docker" "start" "-a" "6ea6d5758757b91c3e57b5b6dd20c12d23db938f03a814cdf88e59fb90f0cbd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking serde_bare v0.5.0
[INFO] [stderr]     Checking bare-metrics-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.44s
[INFO] running `Command { std: "docker" "inspect" "6ea6d5758757b91c3e57b5b6dd20c12d23db938f03a814cdf88e59fb90f0cbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea6d5758757b91c3e57b5b6dd20c12d23db938f03a814cdf88e59fb90f0cbd3", kill_on_drop: false }`
[INFO] [stdout] 6ea6d5758757b91c3e57b5b6dd20c12d23db938f03a814cdf88e59fb90f0cbd3