[INFO] fetching crate futures-backoff 0.1.0...
[INFO] checking futures-backoff-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate futures-backoff 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate futures-backoff 0.1.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-backoff 0.1.0
[INFO] finished tweaking crates.io crate futures-backoff 0.1.0
[INFO] tweaked toml for crates.io crate futures-backoff 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", 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] 40c4ecea7abe336277bf3be5f0ec7e6755bc69c4512cd6dc50dd45a8a7bad2bb
[INFO] running `Command { std: "docker" "start" "-a" "40c4ecea7abe336277bf3be5f0ec7e6755bc69c4512cd6dc50dd45a8a7bad2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c4ecea7abe336277bf3be5f0ec7e6755bc69c4512cd6dc50dd45a8a7bad2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c4ecea7abe336277bf3be5f0ec7e6755bc69c4512cd6dc50dd45a8a7bad2bb", kill_on_drop: false }`
[INFO] [stdout] 40c4ecea7abe336277bf3be5f0ec7e6755bc69c4512cd6dc50dd45a8a7bad2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaefa67326da4e3c9a1ca22c88bae4e2a732e555178b3291b8a72e7aa6b8b441
[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" "aaefa67326da4e3c9a1ca22c88bae4e2a732e555178b3291b8a72e7aa6b8b441", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]     Checking futures-backoff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `Command { std: "docker" "inspect" "aaefa67326da4e3c9a1ca22c88bae4e2a732e555178b3291b8a72e7aa6b8b441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaefa67326da4e3c9a1ca22c88bae4e2a732e555178b3291b8a72e7aa6b8b441", kill_on_drop: false }`
[INFO] [stdout] aaefa67326da4e3c9a1ca22c88bae4e2a732e555178b3291b8a72e7aa6b8b441