[INFO] fetching crate kelvin-two3 0.11.0...
[INFO] checking kelvin-two3-0.11.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate kelvin-two3 0.11.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate kelvin-two3 0.11.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kelvin-two3 0.11.0
[INFO] finished tweaking crates.io crate kelvin-two3 0.11.0
[INFO] tweaked toml for crates.io crate kelvin-two3 0.11.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c240fa4f0a0c777682ef1e40040569d221a7f9a70d5efe9efc19959f6484aec
[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" "0c240fa4f0a0c777682ef1e40040569d221a7f9a70d5efe9efc19959f6484aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c240fa4f0a0c777682ef1e40040569d221a7f9a70d5efe9efc19959f6484aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c240fa4f0a0c777682ef1e40040569d221a7f9a70d5efe9efc19959f6484aec", kill_on_drop: false }`
[INFO] [stdout] 0c240fa4f0a0c777682ef1e40040569d221a7f9a70d5efe9efc19959f6484aec
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea054a6cffd32e299b358eb021213770c9141f92cc3c517aaf5798b22e1bf0d
[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" "aea054a6cffd32e299b358eb021213770c9141f92cc3c517aaf5798b22e1bf0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable-heap v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling derive_arbitrary v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking bytehash v0.3.0
[INFO] [stderr]     Checking cache v0.2.0
[INFO] [stderr]     Checking arbitrary v0.3.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking appendix v0.2.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking kelvin v0.19.0
[INFO] [stderr]     Checking kelvin-two3 v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.88s
[INFO] running `Command { std: "docker" "inspect" "aea054a6cffd32e299b358eb021213770c9141f92cc3c517aaf5798b22e1bf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea054a6cffd32e299b358eb021213770c9141f92cc3c517aaf5798b22e1bf0d", kill_on_drop: false }`
[INFO] [stdout] aea054a6cffd32e299b358eb021213770c9141f92cc3c517aaf5798b22e1bf0d