[INFO] fetching crate rand-extra 0.1.0...
[INFO] testing rand-extra-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rand-extra 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rand-extra 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 rand-extra 0.1.0
[INFO] finished tweaking crates.io crate rand-extra 0.1.0
[INFO] tweaked toml for crates.io crate rand-extra 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1578fcafa06cd5510773c890de308225358280dac1d152250b9dd7028e5d7839
[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" "1578fcafa06cd5510773c890de308225358280dac1d152250b9dd7028e5d7839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1578fcafa06cd5510773c890de308225358280dac1d152250b9dd7028e5d7839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1578fcafa06cd5510773c890de308225358280dac1d152250b9dd7028e5d7839", kill_on_drop: false }`
[INFO] [stdout] 1578fcafa06cd5510773c890de308225358280dac1d152250b9dd7028e5d7839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] a8cc56b0f2da29102155df1ec7ffd6c5a7c55e4f60e7f3306ecdbd86327554b2
[INFO] running `Command { std: "docker" "start" "-a" "a8cc56b0f2da29102155df1ec7ffd6c5a7c55e4f60e7f3306ecdbd86327554b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand-extra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "a8cc56b0f2da29102155df1ec7ffd6c5a7c55e4f60e7f3306ecdbd86327554b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cc56b0f2da29102155df1ec7ffd6c5a7c55e4f60e7f3306ecdbd86327554b2", kill_on_drop: false }`
[INFO] [stdout] a8cc56b0f2da29102155df1ec7ffd6c5a7c55e4f60e7f3306ecdbd86327554b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 6563869df6a65cbd794daa6fdb554ad4ed6c2e2d4323d094c4dcbae1e8e27ee5
[INFO] running `Command { std: "docker" "start" "-a" "6563869df6a65cbd794daa6fdb554ad4ed6c2e2d4323d094c4dcbae1e8e27ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand-extra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "6563869df6a65cbd794daa6fdb554ad4ed6c2e2d4323d094c4dcbae1e8e27ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6563869df6a65cbd794daa6fdb554ad4ed6c2e2d4323d094c4dcbae1e8e27ee5", kill_on_drop: false }`
[INFO] [stdout] 6563869df6a65cbd794daa6fdb554ad4ed6c2e2d4323d094c4dcbae1e8e27ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 3fbed7393f0b5d7267584a50d0c74a05711a4d6e48453c74f9633162038f3f4e
[INFO] running `Command { std: "docker" "start" "-a" "3fbed7393f0b5d7267584a50d0c74a05711a4d6e48453c74f9633162038f3f4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rand_extra-d4c655ce42486ce7
[INFO] [stdout] 
[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] [stderr]    Doc-tests rand-extra
[INFO] [stdout] 
[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" "3fbed7393f0b5d7267584a50d0c74a05711a4d6e48453c74f9633162038f3f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbed7393f0b5d7267584a50d0c74a05711a4d6e48453c74f9633162038f3f4e", kill_on_drop: false }`
[INFO] [stdout] 3fbed7393f0b5d7267584a50d0c74a05711a4d6e48453c74f9633162038f3f4e