[INFO] fetching crate scroll 0.10.2...
[INFO] checking scroll-0.10.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate scroll 0.10.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate scroll 0.10.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scroll 0.10.2
[INFO] finished tweaking crates.io crate scroll 0.10.2
[INFO] tweaked toml for crates.io crate scroll 0.10.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate scroll 0.10.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12baf35877015c0379c99f1a4b72e5f2675e61da5b85bb16bfc8e7bc746b92f3
[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" "12baf35877015c0379c99f1a4b72e5f2675e61da5b85bb16bfc8e7bc746b92f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12baf35877015c0379c99f1a4b72e5f2675e61da5b85bb16bfc8e7bc746b92f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12baf35877015c0379c99f1a4b72e5f2675e61da5b85bb16bfc8e7bc746b92f3", kill_on_drop: false }`
[INFO] [stdout] 12baf35877015c0379c99f1a4b72e5f2675e61da5b85bb16bfc8e7bc746b92f3
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98332d8676d614f984233b388dca5f7b0c470e1f504cf8233dae383b863bb54d
[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" "98332d8676d614f984233b388dca5f7b0c470e1f504cf8233dae383b863bb54d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking scroll v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "98332d8676d614f984233b388dca5f7b0c470e1f504cf8233dae383b863bb54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98332d8676d614f984233b388dca5f7b0c470e1f504cf8233dae383b863bb54d", kill_on_drop: false }`
[INFO] [stdout] 98332d8676d614f984233b388dca5f7b0c470e1f504cf8233dae383b863bb54d