[INFO] fetching crate async-rustls 0.2.0...
[INFO] checking async-rustls-0.2.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate async-rustls 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-rustls 0.2.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-rustls 0.2.0
[INFO] finished tweaking crates.io crate async-rustls 0.2.0
[INFO] tweaked toml for crates.io crate async-rustls 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d93dbedcaf2f8ebc453cbcb36e31103c0822802c4b546ed0de3fc96862be4e3e
[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" "d93dbedcaf2f8ebc453cbcb36e31103c0822802c4b546ed0de3fc96862be4e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93dbedcaf2f8ebc453cbcb36e31103c0822802c4b546ed0de3fc96862be4e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93dbedcaf2f8ebc453cbcb36e31103c0822802c4b546ed0de3fc96862be4e3e", kill_on_drop: false }`
[INFO] [stdout] d93dbedcaf2f8ebc453cbcb36e31103c0822802c4b546ed0de3fc96862be4e3e
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c5933f1c8da415718a7a555a075abcee2fdaeb69190facb015506fc1594e5ff
[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" "0c5933f1c8da415718a7a555a075abcee2fdaeb69190facb015506fc1594e5ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.6
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking async-rustls v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.91s
[INFO] running `Command { std: "docker" "inspect" "0c5933f1c8da415718a7a555a075abcee2fdaeb69190facb015506fc1594e5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5933f1c8da415718a7a555a075abcee2fdaeb69190facb015506fc1594e5ff", kill_on_drop: false }`
[INFO] [stdout] 0c5933f1c8da415718a7a555a075abcee2fdaeb69190facb015506fc1594e5ff