[INFO] fetching crate rust-kpdb 0.4.2...
[INFO] checking rust-kpdb-0.4.2 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate rust-kpdb 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-kpdb 0.4.2 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-kpdb 0.4.2
[INFO] finished tweaking crates.io crate rust-kpdb 0.4.2
[INFO] tweaked toml for crates.io crate rust-kpdb 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 31d6117ea162e92f2c92da91eb51f467e66ff5c027d1b99447c9217248083a10
[INFO] running `Command { std: "docker" "start" "-a" "31d6117ea162e92f2c92da91eb51f467e66ff5c027d1b99447c9217248083a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d6117ea162e92f2c92da91eb51f467e66ff5c027d1b99447c9217248083a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d6117ea162e92f2c92da91eb51f467e66ff5c027d1b99447c9217248083a10", kill_on_drop: false }`
[INFO] [stdout] 31d6117ea162e92f2c92da91eb51f467e66ff5c027d1b99447c9217248083a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99d08152e4024d834d1a1158a32ba5775b22a580ba92caf95352e677a49f14b7
[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" "99d08152e4024d834d1a1158a32ba5775b22a580ba92caf95352e677a49f14b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking xml-rs v0.6.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking secstr v0.3.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rust-kpdb v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/types/error.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/types/error.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.04s
[INFO] running `Command { std: "docker" "inspect" "99d08152e4024d834d1a1158a32ba5775b22a580ba92caf95352e677a49f14b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d08152e4024d834d1a1158a32ba5775b22a580ba92caf95352e677a49f14b7", kill_on_drop: false }`
[INFO] [stdout] 99d08152e4024d834d1a1158a32ba5775b22a580ba92caf95352e677a49f14b7