[INFO] fetching crate hypercore 0.11.1-beta.10...
[INFO] checking hypercore-0.11.1-beta.10 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate hypercore 0.11.1-beta.10 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate hypercore 0.11.1-beta.10 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypercore 0.11.1-beta.10
[INFO] finished tweaking crates.io crate hypercore 0.11.1-beta.10
[INFO] tweaked toml for crates.io crate hypercore 0.11.1-beta.10 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate hypercore 0.11.1-beta.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield-rle v0.2.0
[INFO] [stderr]   Downloaded flat-tree v5.0.0
[INFO] [stderr]   Downloaded sparse-bitfield v0.11.0
[INFO] [stderr]   Downloaded tree-index v0.6.1
[INFO] [stderr]   Downloaded memory-pager v0.9.0
[INFO] [stderr]   Downloaded sleep-parser v0.8.0
[INFO] [stderr]   Downloaded merkle-tree-stream v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba82409ead3284735bf49e8ff109418e6fe7b36ea18b8ad30ca446e4b1ea28a
[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" "fba82409ead3284735bf49e8ff109418e6fe7b36ea18b8ad30ca446e4b1ea28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba82409ead3284735bf49e8ff109418e6fe7b36ea18b8ad30ca446e4b1ea28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba82409ead3284735bf49e8ff109418e6fe7b36ea18b8ad30ca446e4b1ea28a", kill_on_drop: false }`
[INFO] [stdout] fba82409ead3284735bf49e8ff109418e6fe7b36ea18b8ad30ca446e4b1ea28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 622aaccadbf8efb3084c2475eefe07a532626622df93675ee45466b26958482f
[INFO] running `Command { std: "docker" "start" "-a" "622aaccadbf8efb3084c2475eefe07a532626622df93675ee45466b26958482f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking flat-tree v5.0.0
[INFO] [stderr]     Checking memory-pager v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]     Checking varinteger v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking merkle-tree-stream v0.12.1
[INFO] [stderr]     Checking sparse-bitfield v0.11.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking tree-index v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.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]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bitfield-rle v0.2.0
[INFO] [stderr]     Checking sleep-parser v0.8.0
[INFO] [stderr]     Checking pretty-hash v0.4.1
[INFO] [stderr]     Checking random-access-storage v4.0.0
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking random-access-memory v2.0.0
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking random-access-disk v2.0.0
[INFO] [stderr]     Checking hypercore v0.11.1-beta.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "622aaccadbf8efb3084c2475eefe07a532626622df93675ee45466b26958482f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622aaccadbf8efb3084c2475eefe07a532626622df93675ee45466b26958482f", kill_on_drop: false }`
[INFO] [stdout] 622aaccadbf8efb3084c2475eefe07a532626622df93675ee45466b26958482f