[INFO] fetching crate ifinfo 0.1.0...
[INFO] testing ifinfo-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ifinfo 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ifinfo 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ifinfo 0.1.0
[INFO] finished tweaking crates.io crate ifinfo 0.1.0
[INFO] tweaked toml for crates.io crate ifinfo 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ifinfo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded interfaces2 v0.0.5
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 127d9fc3c07d67e258d4f6f0e17fc8645a714cd9a8d6c7e7df748867e0f3a06e
[INFO] running `Command { std: "docker" "start" "-a" "127d9fc3c07d67e258d4f6f0e17fc8645a714cd9a8d6c7e7df748867e0f3a06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127d9fc3c07d67e258d4f6f0e17fc8645a714cd9a8d6c7e7df748867e0f3a06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127d9fc3c07d67e258d4f6f0e17fc8645a714cd9a8d6c7e7df748867e0f3a06e", kill_on_drop: false }`
[INFO] [stdout] 127d9fc3c07d67e258d4f6f0e17fc8645a714cd9a8d6c7e7df748867e0f3a06e
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54a4813c78cb9ef01dd96a822ae3b4aa751c47946f0d58d1e5fff3f501251865
[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" "54a4813c78cb9ef01dd96a822ae3b4aa751c47946f0d58d1e5fff3f501251865", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling interfaces2 v0.0.5
[INFO] [stderr]    Compiling ifinfo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.19s
[INFO] running `Command { std: "docker" "inspect" "54a4813c78cb9ef01dd96a822ae3b4aa751c47946f0d58d1e5fff3f501251865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a4813c78cb9ef01dd96a822ae3b4aa751c47946f0d58d1e5fff3f501251865", kill_on_drop: false }`
[INFO] [stdout] 54a4813c78cb9ef01dd96a822ae3b4aa751c47946f0d58d1e5fff3f501251865
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3dc7ec06a2815611620f907eba4949ff63c46f6f4b6343b1bc1806d946c4b8
[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" "5a3dc7ec06a2815611620f907eba4949ff63c46f6f4b6343b1bc1806d946c4b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ifinfo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "5a3dc7ec06a2815611620f907eba4949ff63c46f6f4b6343b1bc1806d946c4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3dc7ec06a2815611620f907eba4949ff63c46f6f4b6343b1bc1806d946c4b8", kill_on_drop: false }`
[INFO] [stdout] 5a3dc7ec06a2815611620f907eba4949ff63c46f6f4b6343b1bc1806d946c4b8
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42351751d09f6e0440e2761d8bd9d6241ab459f18e0eafea334b9a6975173019
[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" "42351751d09f6e0440e2761d8bd9d6241ab459f18e0eafea334b9a6975173019", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ifinfo-3ba57579e916d224
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42351751d09f6e0440e2761d8bd9d6241ab459f18e0eafea334b9a6975173019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42351751d09f6e0440e2761d8bd9d6241ab459f18e0eafea334b9a6975173019", kill_on_drop: false }`
[INFO] [stdout] 42351751d09f6e0440e2761d8bd9d6241ab459f18e0eafea334b9a6975173019